Seres Therapeutics (MCRB) insider trading activity: Get Latest News Today

MCRB Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares11.87

Short Percent Of Float15.88

Shares Outstanding170.74M

Shares Float98.64M

Shares Short20.26M

Short Ratio12.4

15.88%

Short % of Float

11.87%

Short % of Shares Outstanding

Market Insider MCRB

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

13.19% Percentage of Shares held by All Insiders

37.59% Percentage of Shares held by All Institutions

43.3% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 37.59% of MCRB shares are held by financial institutions. FLAGSHIP PIONEERING INC. is the top corporate investor, holding 23.12M shares valued at $17.89M. A 18.06% stake in Seres Therapeutics, Inc. is owned by the company. EVERSEPT PARTNERS, LP owns 1.39M shares valued at $1.08M, which translates its holding of 1.09% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	FLAGSHIP PIONEERING INC.	18.06%	23.12M	17.89M	0	0
Mar 31, 2024	EVERSEPT PARTNERS, LP	1.09%	1.39M	1.08M	-364.59K	-20.79%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.83%	1.06M	823.75K	628.28K	+144.15%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.8%	1.03M	795.43K	-1.2M	-53.80%
Mar 31, 2024	NORTHERN TRUST CORP	0.61%	784.69K	607.43K	14.08K	+1.83%
Mar 31, 2024	DIVERSIFIED TRUST CO	0.01%	10K	7.74K	0	0
Mar 31, 2024	SUMMIT TRAIL ADVISORS, LLC	0.01%	10K	7.74K	10K	+100.00%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.01%	9.99K	7.73M	-4.5K	-31.09%
Mar 31, 2024	AMERITAS INVESTMENT PARTNERS, INC.	0.01%	8.03K	6.22M	0	0
Mar 31, 2024	VANGUARD GROUP INC	5.26%	6.73M	5.21M	729.51K	+12.15%
Mar 31, 2024	HUDSON BAY CAPITAL MANAGEMENT LP	4.24%	5.43M	4.2M	1.1M	+25.57%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.67%	2.13M	1.65M	38.6K	+1.84%
Mar 31, 2024	FMR LLC	17.7%	22.65M	17.53M	3.26M	+16.83%
Mar 31, 2024	BLACKROCK INC.	5.33%	6.83M	5.28M	-514.06K	-7.00%
Mar 31, 2024	WOODLINE PARTNERS LP	1.6%	2.05M	1.58M	755.6K	+58.56%
Mar 31, 2024	STATE STREET CORP	1.52%	1.95M	1.51M	36.84K	+1.93%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	1.29%	1.65M	1.28M	-707.49K	-29.95%
Mar 31, 2024	HANDELSBANKEN FONDER AB	0.86%	1.1M	852K	0	0
Mar 31, 2024	TANG CAPITAL MANAGEMENT LLC	0.71%	907.11K	702.2K	-885.78K	-49.41%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.58%	747.32K	578.5K	70.93K	+10.49%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.22%	281K	216.37K	238.5K	+561.18%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.38%	486.35K	376.49K	317.84K	+188.61%
Mar 31, 2024	MORGAN STANLEY	0.37%	477.63K	369.73K	-407.71K	-46.05%
Mar 31, 2024	SIT INVESTMENT ASSOCIATES INC	0.27%	342.2K	265K	0	0
Mar 31, 2024	LION POINT CAPITAL, LP	0.27%	340.76K	263.78K	0	0
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.26%	329.07K	254.74K	-15.25K	-4.43%
Mar 31, 2024	GRAHAM CAPITAL MANAGEMENT, L.P.	0.24%	309.38K	239.49K	148.07K	+91.79%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.23%	298.11K	232K	-65.54K	-18.02%
Mar 31, 2024	PENNANT INVESTORS, LP	0.23%	292.3K	226.27K	0	0
Mar 31, 2024	CITADEL ADVISORS LLC	0.14%	180K	139.34K	117.3K	+187.08%
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.13%	166.89K	129.19K	139.23K	+503.31%
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.12%	150K	116.12K	150K	+100.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.11%	141.45K	109.47K	3.93K	+2.86%
Mar 31, 2024	LPL FINANCIAL LLC	0.1%	129.78K	100.46K	14.25K	+12.33%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.1%	127.66K	98.82K	0	0
Mar 31, 2024	UBS GROUP AG	0.08%	105.97K	82.02K	97.92K	+1,216.35%
Mar 31, 2024	ATOM INVESTORS LP	0.08%	103.32K	79.98K	103.32K	+100.00%
Mar 31, 2024	VIRTU FINANCIAL LLC	0.07%	94.51K	73K	94.51K	+100.00%
Mar 31, 2024	JANE STREET GROUP, LLC	0.07%	86.44K	66.91K	-203.85K	-70.22%
Mar 31, 2024	XTX TOPCO LTD	0.06%	75.69K	58.59K	-326.81K	-81.19%
Mar 31, 2024	JANNEY MONTGOMERY SCOTT LLC	0.06%	75.1K	58K	0	0
Mar 31, 2024	SIMPLEX TRADING, LLC	0.06%	73.87K	57K	28.56K	+63.03%
Mar 31, 2024	BARCLAYS PLC	0.06%	70.76K	55K	-64.42K	-47.66%
Mar 31, 2024	PRELUDE CAPITAL MANAGEMENT, LLC	0.06%	70.6K	54.65K	70.6K	+100.00%
Mar 31, 2024	INVESCO LTD.	0.05%	62.97K	48.74K	5.97K	+10.47%
Mar 31, 2024	TUDOR INVESTMENT CORP ET AL	0.05%	61.98K	47.98K	0	0
Mar 31, 2024	GROUP ONE TRADING, L.P.	0.05%	58.78K	45.5K	-12.48K	-17.52%
Mar 31, 2024	KESTRA ADVISORY SERVICES, LLC	0.04%	51.52K	39.88K	29.89K	+138.18%
Mar 31, 2024	PROVIDENCE WEALTH ADVISORS, LLC	0.04%	51K	38.55K	50.33K	+7,455.56%
Mar 31, 2024	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.04%	50.1K	278.07K	50.1K	+100.00%
Mar 31, 2024	HARBOURVEST PARTNERS LLC	0.04%	49.36K	38.21K	0	0
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	48.48K	37.53K	123	+0.25%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.04%	46.55K	36.03K	-11.5K	-19.81%
Mar 31, 2024	JPMORGAN CHASE & CO	0.03%	39.44K	30.53K	-26.57K	-40.25%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	39.34K	30K	529	+1.36%
Mar 31, 2024	PFG INVESTMENTS, LLC	0.02%	31.44K	24.34K	19.94K	+173.42%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.02%	31.39K	24.3K	3.4K	+12.15%
Mar 31, 2024	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	0.02%	29.01K	164.48K	-150	-0.51%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.02%	27.09K	20.97K	-34.58K	-56.07%
Mar 31, 2024	CLEAR CREEK FINANCIAL MANAGEMENT, LLC	0.02%	23.45K	18.15K	-3.5K	-12.99%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.02%	22.75K	17.61K	22.75K	+100.00%
Mar 31, 2024	STIFEL FINANCIAL CORP	0.02%	20K	15.48K	0	0
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.01%	18.3K	14.17K	0	0
Mar 31, 2024	CITIGROUP INC	0.01%	17.89K	13.85K	-70.44K	-79.75%
Mar 31, 2024	PROSHARE ADVISORS LLC	0.01%	17.67K	13.68K	1.57K	+9.77%
Mar 31, 2024	VONTOBEL HOLDING LTD.	0.01%	17K	13.16K	0	0
Mar 31, 2024	AUOUR INVESTMENTS LLC	0.01%	17K	13.16K	0	0
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.01%	15.01K	11.62K	1.88K	+14.31%
Mar 31, 2024	HIGHTOWER ADVISORS, LLC	0.01%	15K	12K	-1.01K	-6.28%
Mar 31, 2024	MML INVESTORS SERVICES, LLC	0.01%	14.89K	12K	14.89K	+100.00%
Mar 31, 2024	ARIES WEALTH MANAGEMENT	0.01%	12K	9.29K	0	0
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.01%	11.37K	9K	11.37K	+100.00%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.01%	10.38K	8K	-41.7K	-80.08%
Dec 31, 2023	FMR LLC	15.11%	19.39M	27.14M	157.89K	+0.82%
Dec 31, 2023	BLACKROCK INC.	5.72%	7.34M	10.28M	-582.47K	-7.35%
Dec 31, 2023	VANGUARD GROUP INC	4.68%	6.01M	8.41M	528.56K	+9.65%
Dec 31, 2023	HUDSON BAY CAPITAL MANAGEMENT LP	3.37%	4.32M	6.05M	2.32M	+116.04%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	1.84%	2.36M	3.31M	1.11M	+88.33%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	1.73%	2.22M	3.11M	1.44M	+182.24%
Dec 31, 2023	POINT72 ASSET MANAGEMENT, L.P.	1.68%	2.15M	3.01M	-599.1K	-21.79%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.63%	2.09M	2.93M	106.48K	+5.36%
Dec 31, 2023	STATE STREET CORP	1.49%	1.91M	2.67M	-7.63M	-79.98%
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	1.4%	1.79M	2.51M	1.79M	+100.00%
Dec 31, 2023	EVERSEPT PARTNERS, LP	1.37%	1.75M	2.45M	-599.02K	-25.46%
Dec 31, 2023	WOODLINE PARTNERS LP	1.01%	1.29M	1.81M	1.09M	+545.14%
Dec 31, 2023	HANDELSBANKEN FONDER AB	0.86%	1.1M	1.54M	100K	+10.00%
Dec 31, 2023	MORGAN STANLEY	0.69%	885.34K	1.24M	515.94K	+139.67%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.64%	817K	1.14M	817K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.6%	770.61K	1.08M	-152.05K	-16.48%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.53%	676.39K	946.94K	-80.18K	-10.60%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0.5%	640.66K	896.92K	475.11K	+287.00%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.34%	435.86K	610.21K	-265K	-37.81%
Dec 31, 2023	XTX TOPCO LTD	0.31%	402.51K	563.51K	252.41K	+168.16%
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.31%	400.49K	560.6K	206.16K	+106.09%
Dec 31, 2023	HRT FINANCIAL LP	0.31%	393.76K	551K	393.76K	+100.00%
Dec 31, 2023	KNOTT DAVID M JR	0.29%	370.73K	519K	300.73K	+429.61%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	0.28%	363.65K	510K	31.79K	+9.58%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.27%	349.59K	489.42K	337.56K	+2,806.21%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.27%	344.32K	482.05K	23.57K	+7.35%
Dec 31, 2023	SIT INVESTMENT ASSOCIATES INC	0.27%	342.2K	479K	0	0
Dec 31, 2023	LION POINT CAPITAL, LP	0.27%	340.76K	477.07K	-351.04K	-50.74%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	0.25%	324.21K	453.89K	324.21K	+100.00%
Dec 31, 2023	PENNANT INVESTORS, LP	0.23%	292.3K	409.22K	292.3K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.23%	290.29K	406.4K	260.89K	+887.37%
Dec 31, 2023	PARALLAX VOLATILITY ADVISERS, L.P.	0.14%	176K	246.4K	176K	+100.00%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.13%	168.52K	235.93K	168.52K	+100.00%
Dec 31, 2023	GRAHAM CAPITAL MANAGEMENT, L.P.	0.13%	161.31K	225.83K	-45.53K	-22.01%
Dec 31, 2023	RHUMBLINE ADVISERS	0.11%	137.52K	192.52K	952	+0.70%
Dec 31, 2023	BARCLAYS PLC	0.11%	135.18K	189K	-326.03K	-70.69%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.1%	127.66K	178.72K	0	0
Dec 31, 2023	LPL FINANCIAL LLC	0.09%	115.53K	161.74K	-8.42K	-6.79%
Dec 31, 2023	SQUAREPOINT OPS LLC	0.09%	114K	159.6K	114K	+100.00%
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0.08%	100.81K	141K	100.81K	+100.00%
Dec 31, 2023	CITIGROUP INC	0.06%	74.9K	104.86K	-49.8K	-39.94%
Dec 31, 2023	JANNEY MONTGOMERY SCOTT LLC	0.06%	75.1K	105K	-9.79K	-11.53%
Dec 31, 2023	Y-INTERCEPT (HONG KONG) LTD	0.06%	71.52K	100.13K	71.52K	+100.00%
Dec 31, 2023	GROUP ONE TRADING, L.P.	0.06%	71.26K	99.76M	71.26K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.05%	66.02K	92.42K	-77.64K	-54.05%
Dec 31, 2023	CITADEL ADVISORS LLC	0.05%	62.7K	87.78K	-44.6K	-41.57%
Dec 31, 2023	TUDOR INVESTMENT CORP ET AL	0.05%	61.98K	86.77K	-25.18K	-28.89%
Dec 31, 2023	FLAGSHIP PIONEERING INC.	18.02%	23.12M	32.43M	0	0

MCRB Insiders

Among the MCRB insiders holding of 13.19% of the stake in company, AFEYAN NOUBAR, , holds the largest shares of 5.88M. NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC, 10 percent owner, is the second largest MCRB insider with ownership of 5.83M shares. POMERANTZ ROGER, President and CEO, stands third with possession of 213.98K shares of that stake.

Insiders	Designation	Shares Held
AFEYAN NOUBAR		5.88M
NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC	10 percent owner	5.83M
POMERANTZ ROGER	President and CEO	213.98K
SHAFF ERIC D.	CEO and President	192.04K
ARKOWITZ DAVID	Chief Financial Officer	182.44K
DESROSIER THOMAS	Chief Legal Officer and EVP	142.46K
COOK DAVID N	See Remarks	139.94K
YOUNG TERESA L.	See Remarks	97.54K
HENN MATTHEW R.	See Remarks	84.44K
EGE DAVID S.	See Remarks	77.58K
AUNINS JOHN G.	Chief Technology Officer & EVP	75.25K
CLOGHESSY PAULA	See Remarks	45.68K
VON MOLTKE LISA	See Remarks	39.88K
CHAPMAN MARCUS	See Remarks	8.6K
TRUCKSIS MICHELE	See Remarks	4.89K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Feb 18, 2025	VON MOLTKE LISA	SALE	0.81	4.42K	3.58K	39.88K
Feb 18, 2025	SHAFF ERIC D.	SALE	0.81	12.73K	10.31K	192.04K
Feb 18, 2025	DESROSIER THOMAS	SALE	0.81	4.3K	3.49K	142.46K
Feb 18, 2025	HENN MATTHEW R.	SALE	0.81	3.95K	3.2K	84.44K
Feb 18, 2025	YOUNG TERESA L.	SALE	0.81	3.34K	2.7K	97.54K
Nov 18, 2024	YOUNG TERESA L.	SALE	0.54	735	397.64	90.4K
Nov 18, 2024	SHAFF ERIC D.	SALE	0.54	2.51K	1.35K	170.39K
Nov 18, 2024	DESROSIER THOMAS	SALE	0.54	878	474.74	135.19K
Nov 18, 2024	VON MOLTKE LISA	SALE	0.54	977	528.26	32.42K
Nov 18, 2024	HENN MATTHEW R.	SALE	0.54	927	501.23	77.77K
Oct 28, 2024	SHAFF ERIC D.	SALE	0.69	8.75K	6.04K	165.08K
Oct 28, 2024	DESROSIER THOMAS	SALE	0.69	4.26K	2.94K	133.41K
Oct 28, 2024	HENN MATTHEW R.	SALE	0.69	3.98K	2.75K	75.89K
Oct 28, 2024	VON MOLTKE LISA	SALE	0.69	4.33K	2.99K	30.42K
Oct 28, 2024	YOUNG TERESA L.	SALE	0.69	2.98K	2.06K	88.48K
Aug 16, 2024	VON MOLTKE LISA	SALE	0.84	973	817.32	21.01K
Aug 16, 2024	EGE DAVID S.	SALE	0.84	1.13K	947.52	77.58K
Aug 16, 2024	YOUNG TERESA L.	SALE	0.84	728	611.52	80.11K
Aug 16, 2024	SHAFF ERIC D.	SALE	0.84	2.52K	2.12K	145.99K
Aug 16, 2024	DESROSIER THOMAS	SALE	0.84	873	733.32	124.17K
Aug 16, 2024	HENN MATTHEW R.	SALE	0.84	923	775.32	67.25K
Aug 05, 2024	YOUNG TERESA L.	SALE	1.08	24.48K	26.53K	78.18K
May 15, 2024	HENN MATTHEW R.	SALE	0.94	891	837.54	65.36K
May 15, 2024	YOUNG TERESA L.	SALE	0.94	703	660.82	17.66K
May 15, 2024	DESROSIER THOMAS	SALE	0.94	843	792.42	122.39K
May 15, 2024	SHAFF ERIC D.	SALE	0.94	2.44K	2.29K	140.7K
May 15, 2024	VON MOLTKE LISA	SALE	0.94	939	882.66	19.02K
May 15, 2024	EGE DAVID S.	SALE	0.94	1.09K	1.02K	75.73K
Feb 16, 2024	ARKOWITZ DAVID	SALE	1.08	3.94K	4.25K	182.44K
Feb 16, 2024	HENN MATTHEW R.	SALE	1.08	4.17K	4.5K	63.44K
Feb 16, 2024	VON MOLTKE LISA	SALE	1.08	4.4K	4.75K	16.99K
Feb 16, 2024	YOUNG TERESA L.	SALE	1.08	3.37K	3.64K	15.71K
Feb 16, 2024	DESROSIER THOMAS	SALE	1.08	3.94K	4.25K	120.58K
Feb 16, 2024	SHAFF ERIC D.	SALE	1.08	11.55K	12.47K	135.32K
Feb 16, 2024	EGE DAVID S.	SALE	1.08	5.01K	5.41K	73.86K
Oct 30, 2023	ARKOWITZ DAVID	SALE	1.35	4.07K	5.49K	175.76K
Oct 30, 2023	SHAFF ERIC D.	SALE	1.35	8.55K	11.55K	115.62K
Oct 30, 2023	CLOGHESSY PAULA	SALE	1.35	2.9K	3.92K	45.68K
Oct 30, 2023	YOUNG TERESA L.	SALE	1.35	2.91K	3.92K	8.45K
Oct 30, 2023	VON MOLTKE LISA	SALE	1.35	4.23K	5.71K	9.51K
Oct 30, 2023	HENN MATTHEW R.	SALE	1.35	3.89K	5.25K	56.36K
Oct 30, 2023	EGE DAVID S.	SALE	1.35	4.07K	5.49K	66.99K
Oct 30, 2023	DESROSIER THOMAS	SALE	1.35	4.16K	5.61K	113.89K
Apr 28, 2023	EGE DAVID S.	SALE	5.19	7.04K	36.53K	59.7K
Oct 31, 2022	EGE DAVID S.	SALE	7.93	5.01K	39.75K	46.73K
Jul 05, 2022	AFEYAN NOUBAR	PURCHASE	3.15	2.91M	9.18M	5.88M
Jul 05, 2022	NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC	PURCHASE	3.15	5.83M	18.35M	5.83M
Dec 01, 2020	HENN MATTHEW R.	SALE	28.34	9.84K	278.89K	0
Nov 22, 2019	CHAPMAN MARCUS	SALE	3.91	3.4K	13.3K	8.6K
Jun 18, 2019	AFEYAN NOUBAR	PURCHASE	2.25	4.44M	10M	4.44M
Jan 28, 2019	DESROSIER THOMAS	SALE	5.75	5.47K	31.48K	16.05K
Jan 28, 2019	SHAFF ERIC D.	SALE	5.75	4.38K	25.19K	12.84K
Dec 17, 2018	AUNINS JOHN G.	SALE	6.39	14.28K	91.31K	75.25K
Nov 15, 2018	AUNINS JOHN G.	SALE	8.26	14.28K	117.91K	89.53K
Oct 15, 2018	AUNINS JOHN G.	SALE	5.94	14.28K	84.8K	103.81K
Sep 17, 2018	AUNINS JOHN G.	SALE	7.27	14.28K	103.88K	118.09K
Sep 07, 2018	POMERANTZ ROGER	SALE	9.00	1.81K	16.29K	213.98K
Sep 06, 2018	POMERANTZ ROGER	SALE	9.04	3.01K	27.24K	215.79K
Sep 05, 2018	POMERANTZ ROGER	SALE	9.12	9.51K	86.71K	218.8K
Aug 15, 2018	AUNINS JOHN G.	SALE	7.57	14.28K	108.07K	132.37K
Jul 15, 2018	AUNINS JOHN G.	SALE	8.10	14.28K	115.73K	160.93K
Jul 11, 2018	POMERANTZ ROGER	SALE	9.01	1.01K	9.1K	228.3K
Jul 10, 2018	POMERANTZ ROGER	SALE	9.05	5.99K	54.21K	228.3K
Jul 09, 2018	POMERANTZ ROGER	SALE	9.14	10.98K	100.35K	228.3K
Jul 06, 2018	POMERANTZ ROGER	SALE	9.14	15.37K	140.51K	228.3K
Jun 29, 2018	POMERANTZ ROGER	SALE	9.10	4.5K	40.92K	228.3K
Jun 28, 2018	POMERANTZ ROGER	SALE	9.15	21.56K	197.38K	228.3K
Jun 27, 2018	POMERANTZ ROGER	SALE	9.03	16.99K	153.41K	228.3K
Jun 26, 2018	POMERANTZ ROGER	SALE	9.19	21.22K	195.13K	228.3K
Jun 25, 2018	POMERANTZ ROGER	SALE	9.21	26.75K	246.5K	228.3K
Jun 22, 2018	POMERANTZ ROGER	SALE	9.36	40.06K	374.76K	238.77K
Jun 21, 2018	POMERANTZ ROGER	SALE	9.06	18.99K	172.09K	278.83K
Jun 20, 2018	POMERANTZ ROGER	SALE	9.33	26.49K	247.05K	297.81K
Jun 15, 2018	AUNINS JOHN G.	SALE	8.57	14.28K	122.33K	170.21K
May 15, 2018	AUNINS JOHN G.	SALE	8.08	14.28K	115.4K	146.65K
May 09, 2018	POMERANTZ ROGER	SALE	9.00	233	2.1K	324.3K
Apr 25, 2018	AUNINS JOHN G.	SALE	7.58	14.28K	108.27K	184.49K
Jan 26, 2018	TRUCKSIS MICHELE	SALE	11.02	2.61K	28.73K	4.89K
Jan 26, 2018	SHAFF ERIC D.	SALE	11.02	2.78K	30.64K	5.22K
Jan 26, 2018	COOK DAVID N	SALE	11.02	1.74K	19.15K	139.94K
Jan 26, 2018	AUNINS JOHN G.	SALE	11.02	1.74K	19.15K	198.76K
Jan 26, 2018	DESROSIER THOMAS	SALE	11.02	3.48K	38.29K	6.53K
Dec 19, 2017	AUNINS JOHN G.	SALE	10.14	1.62K	16.46K	59.44K
Aug 29, 2016	AUNINS JOHN G.	SALE	10.87	9.39K	102.07K	192.13K
Jul 28, 2016	TRUCKSIS MICHELE	SALE	35.18	4.16K	146.21K	0
Jul 27, 2016	TRUCKSIS MICHELE	SALE	35.14	38.06K	1.34M	0
Jul 27, 2016	POMERANTZ ROGER	SALE	35.00	20K	700K	183.69K
Jul 27, 2016	AUNINS JOHN G.	SALE	35.00	9.25K	323.75K	201.52K
Jul 25, 2016	AUNINS JOHN G.	SALE	34.18	9.39K	320.95K	210.77K
Jul 06, 2016	POMERANTZ ROGER	SALE	29.80	25.54K	760.94K	183.69K
Jul 05, 2016	POMERANTZ ROGER	SALE	29.96	2.91K	87.03K	183.69K
Jul 01, 2016	POMERANTZ ROGER	SALE	30.00	10K	300K	183.69K
Jun 30, 2016	SHAFF ERIC D.	SALE	29.54	4.53K	133.9K	0
Jun 28, 2016	SHAFF ERIC D.	SALE	28.85	1.67K	48.09K	0
Jun 27, 2016	AUNINS JOHN G.	SALE	27.23	9.39K	255.69K	32.66K
Jun 27, 2016	SHAFF ERIC D.	SALE	28.00	3.33K	93.35K	0
Jun 02, 2016	POMERANTZ ROGER	SALE	33.22	20.31K	674.64K	183.69K
Jun 02, 2016	COOK DAVID N	SALE	31.00	8K	248K	136.67K
Jun 01, 2016	POMERANTZ ROGER	SALE	30.65	52.44K	1.61M	183.69K
Jun 01, 2016	COOK DAVID N	SALE	29.43	16K	470.88K	144.67K
May 31, 2016	AUNINS JOHN G.	SALE	30.57	650	19.87K	42.05K
May 25, 2016	AFEYAN NOUBAR	SALE	27.60	599.3K	16.54M	0
May 24, 2016	POMERANTZ ROGER	SALE	30.00	9.8K	294.03K	183.69K
May 06, 2016	POMERANTZ ROGER	SALE	25.10	308	7.73K	22.73K
May 05, 2016	POMERANTZ ROGER	SALE	26.34	8.9K	234.43K	22.73K
May 04, 2016	POMERANTZ ROGER	SALE	27.31	700	19.12K	22.73K
May 03, 2016	POMERANTZ ROGER	SALE	28.44	7.14K	203.12K	22.93K
May 02, 2016	POMERANTZ ROGER	SALE	29.59	8.25K	244.09K	22.73K
Apr 25, 2016	AUNINS JOHN G.	SALE	31.94	18.64K	595.36K	56.06K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES59.06K15

NET SHARES-59.06K15

NO. OF SHARES HELD1.56M15

% NET SHARES-103.8%0%

Frequently Asked Questions

MCRB Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares11.87

Short Percent Of Float15.88

Shares Outstanding170.74M

Shares Float98.64M

Shares Short20.26M

Short Ratio12.4

15.88%

Short % of Float

11.87%

Short % of Shares Outstanding

Market Insider MCRB

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

13.19% Percentage of Shares held by All Insiders

37.59% Percentage of Shares held by All Institutions

43.3% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	FLAGSHIP PIONEERING INC.	18.06%	23.12M	17.89M	0	0
Mar 31, 2024	EVERSEPT PARTNERS, LP	1.09%	1.39M	1.08M	-364.59K	-20.79%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.83%	1.06M	823.75K	628.28K	+144.15%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.8%	1.03M	795.43K	-1.2M	-53.80%
Mar 31, 2024	NORTHERN TRUST CORP	0.61%	784.69K	607.43K	14.08K	+1.83%
Mar 31, 2024	DIVERSIFIED TRUST CO	0.01%	10K	7.74K	0	0
Mar 31, 2024	SUMMIT TRAIL ADVISORS, LLC	0.01%	10K	7.74K	10K	+100.00%
Mar 31, 2024	LEGAL & GENERAL GROUP PLC	0.01%	9.99K	7.73M	-4.5K	-31.09%
Mar 31, 2024	AMERITAS INVESTMENT PARTNERS, INC.	0.01%	8.03K	6.22M	0	0
Mar 31, 2024	VANGUARD GROUP INC	5.26%	6.73M	5.21M	729.51K	+12.15%
Mar 31, 2024	HUDSON BAY CAPITAL MANAGEMENT LP	4.24%	5.43M	4.2M	1.1M	+25.57%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.67%	2.13M	1.65M	38.6K	+1.84%
Mar 31, 2024	FMR LLC	17.7%	22.65M	17.53M	3.26M	+16.83%
Mar 31, 2024	BLACKROCK INC.	5.33%	6.83M	5.28M	-514.06K	-7.00%
Mar 31, 2024	WOODLINE PARTNERS LP	1.6%	2.05M	1.58M	755.6K	+58.56%
Mar 31, 2024	STATE STREET CORP	1.52%	1.95M	1.51M	36.84K	+1.93%
Mar 31, 2024	BANK OF AMERICA CORP /DE/	1.29%	1.65M	1.28M	-707.49K	-29.95%
Mar 31, 2024	HANDELSBANKEN FONDER AB	0.86%	1.1M	852K	0	0
Mar 31, 2024	TANG CAPITAL MANAGEMENT LLC	0.71%	907.11K	702.2K	-885.78K	-49.41%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.58%	747.32K	578.5K	70.93K	+10.49%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.22%	281K	216.37K	238.5K	+561.18%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.38%	486.35K	376.49K	317.84K	+188.61%
Mar 31, 2024	MORGAN STANLEY	0.37%	477.63K	369.73K	-407.71K	-46.05%
Mar 31, 2024	SIT INVESTMENT ASSOCIATES INC	0.27%	342.2K	265K	0	0
Mar 31, 2024	LION POINT CAPITAL, LP	0.27%	340.76K	263.78K	0	0
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.26%	329.07K	254.74K	-15.25K	-4.43%
Mar 31, 2024	GRAHAM CAPITAL MANAGEMENT, L.P.	0.24%	309.38K	239.49K	148.07K	+91.79%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	0.23%	298.11K	232K	-65.54K	-18.02%
Mar 31, 2024	PENNANT INVESTORS, LP	0.23%	292.3K	226.27K	0	0
Mar 31, 2024	CITADEL ADVISORS LLC	0.14%	180K	139.34K	117.3K	+187.08%
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.13%	166.89K	129.19K	139.23K	+503.31%
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.12%	150K	116.12K	150K	+100.00%
Mar 31, 2024	RHUMBLINE ADVISERS	0.11%	141.45K	109.47K	3.93K	+2.86%
Mar 31, 2024	LPL FINANCIAL LLC	0.1%	129.78K	100.46K	14.25K	+12.33%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.1%	127.66K	98.82K	0	0
Mar 31, 2024	UBS GROUP AG	0.08%	105.97K	82.02K	97.92K	+1,216.35%
Mar 31, 2024	ATOM INVESTORS LP	0.08%	103.32K	79.98K	103.32K	+100.00%
Mar 31, 2024	VIRTU FINANCIAL LLC	0.07%	94.51K	73K	94.51K	+100.00%
Mar 31, 2024	JANE STREET GROUP, LLC	0.07%	86.44K	66.91K	-203.85K	-70.22%
Mar 31, 2024	XTX TOPCO LTD	0.06%	75.69K	58.59K	-326.81K	-81.19%
Mar 31, 2024	JANNEY MONTGOMERY SCOTT LLC	0.06%	75.1K	58K	0	0
Mar 31, 2024	SIMPLEX TRADING, LLC	0.06%	73.87K	57K	28.56K	+63.03%
Mar 31, 2024	BARCLAYS PLC	0.06%	70.76K	55K	-64.42K	-47.66%
Mar 31, 2024	PRELUDE CAPITAL MANAGEMENT, LLC	0.06%	70.6K	54.65K	70.6K	+100.00%
Mar 31, 2024	INVESCO LTD.	0.05%	62.97K	48.74K	5.97K	+10.47%
Mar 31, 2024	TUDOR INVESTMENT CORP ET AL	0.05%	61.98K	47.98K	0	0
Mar 31, 2024	GROUP ONE TRADING, L.P.	0.05%	58.78K	45.5K	-12.48K	-17.52%
Mar 31, 2024	KESTRA ADVISORY SERVICES, LLC	0.04%	51.52K	39.88K	29.89K	+138.18%
Mar 31, 2024	PROVIDENCE WEALTH ADVISORS, LLC	0.04%	51K	38.55K	50.33K	+7,455.56%
Mar 31, 2024	MIRAE ASSET GLOBAL INVESTMENTS CO., LTD.	0.04%	50.1K	278.07K	50.1K	+100.00%
Mar 31, 2024	HARBOURVEST PARTNERS LLC	0.04%	49.36K	38.21K	0	0
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	48.48K	37.53K	123	+0.25%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.04%	46.55K	36.03K	-11.5K	-19.81%
Mar 31, 2024	JPMORGAN CHASE & CO	0.03%	39.44K	30.53K	-26.57K	-40.25%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	39.34K	30K	529	+1.36%
Mar 31, 2024	PFG INVESTMENTS, LLC	0.02%	31.44K	24.34K	19.94K	+173.42%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.02%	31.39K	24.3K	3.4K	+12.15%
Mar 31, 2024	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	0.02%	29.01K	164.48K	-150	-0.51%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.02%	27.09K	20.97K	-34.58K	-56.07%
Mar 31, 2024	CLEAR CREEK FINANCIAL MANAGEMENT, LLC	0.02%	23.45K	18.15K	-3.5K	-12.99%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.02%	22.75K	17.61K	22.75K	+100.00%
Mar 31, 2024	STIFEL FINANCIAL CORP	0.02%	20K	15.48K	0	0
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.01%	18.3K	14.17K	0	0
Mar 31, 2024	CITIGROUP INC	0.01%	17.89K	13.85K	-70.44K	-79.75%
Mar 31, 2024	PROSHARE ADVISORS LLC	0.01%	17.67K	13.68K	1.57K	+9.77%
Mar 31, 2024	VONTOBEL HOLDING LTD.	0.01%	17K	13.16K	0	0
Mar 31, 2024	AUOUR INVESTMENTS LLC	0.01%	17K	13.16K	0	0
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.01%	15.01K	11.62K	1.88K	+14.31%
Mar 31, 2024	HIGHTOWER ADVISORS, LLC	0.01%	15K	12K	-1.01K	-6.28%
Mar 31, 2024	MML INVESTORS SERVICES, LLC	0.01%	14.89K	12K	14.89K	+100.00%
Mar 31, 2024	ARIES WEALTH MANAGEMENT	0.01%	12K	9.29K	0	0
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.01%	11.37K	9K	11.37K	+100.00%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.01%	10.38K	8K	-41.7K	-80.08%
Dec 31, 2023	FMR LLC	15.11%	19.39M	27.14M	157.89K	+0.82%
Dec 31, 2023	BLACKROCK INC.	5.72%	7.34M	10.28M	-582.47K	-7.35%
Dec 31, 2023	VANGUARD GROUP INC	4.68%	6.01M	8.41M	528.56K	+9.65%
Dec 31, 2023	HUDSON BAY CAPITAL MANAGEMENT LP	3.37%	4.32M	6.05M	2.32M	+116.04%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	1.84%	2.36M	3.31M	1.11M	+88.33%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	1.73%	2.22M	3.11M	1.44M	+182.24%
Dec 31, 2023	POINT72 ASSET MANAGEMENT, L.P.	1.68%	2.15M	3.01M	-599.1K	-21.79%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.63%	2.09M	2.93M	106.48K	+5.36%
Dec 31, 2023	STATE STREET CORP	1.49%	1.91M	2.67M	-7.63M	-79.98%
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	1.4%	1.79M	2.51M	1.79M	+100.00%
Dec 31, 2023	EVERSEPT PARTNERS, LP	1.37%	1.75M	2.45M	-599.02K	-25.46%
Dec 31, 2023	WOODLINE PARTNERS LP	1.01%	1.29M	1.81M	1.09M	+545.14%
Dec 31, 2023	HANDELSBANKEN FONDER AB	0.86%	1.1M	1.54M	100K	+10.00%
Dec 31, 2023	MORGAN STANLEY	0.69%	885.34K	1.24M	515.94K	+139.67%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.64%	817K	1.14M	817K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.6%	770.61K	1.08M	-152.05K	-16.48%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.53%	676.39K	946.94K	-80.18K	-10.60%
Dec 31, 2023	QUBE RESEARCH & TECHNOLOGIES LTD	0.5%	640.66K	896.92K	475.11K	+287.00%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.34%	435.86K	610.21K	-265K	-37.81%
Dec 31, 2023	XTX TOPCO LTD	0.31%	402.51K	563.51K	252.41K	+168.16%
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0.31%	400.49K	560.6K	206.16K	+106.09%
Dec 31, 2023	HRT FINANCIAL LP	0.31%	393.76K	551K	393.76K	+100.00%
Dec 31, 2023	KNOTT DAVID M JR	0.29%	370.73K	519K	300.73K	+429.61%
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	0.28%	363.65K	510K	31.79K	+9.58%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.27%	349.59K	489.42K	337.56K	+2,806.21%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.27%	344.32K	482.05K	23.57K	+7.35%
Dec 31, 2023	SIT INVESTMENT ASSOCIATES INC	0.27%	342.2K	479K	0	0
Dec 31, 2023	LION POINT CAPITAL, LP	0.27%	340.76K	477.07K	-351.04K	-50.74%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	0.25%	324.21K	453.89K	324.21K	+100.00%
Dec 31, 2023	PENNANT INVESTORS, LP	0.23%	292.3K	409.22K	292.3K	+100.00%
Dec 31, 2023	JANE STREET GROUP, LLC	0.23%	290.29K	406.4K	260.89K	+887.37%
Dec 31, 2023	PARALLAX VOLATILITY ADVISERS, L.P.	0.14%	176K	246.4K	176K	+100.00%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.13%	168.52K	235.93K	168.52K	+100.00%
Dec 31, 2023	GRAHAM CAPITAL MANAGEMENT, L.P.	0.13%	161.31K	225.83K	-45.53K	-22.01%
Dec 31, 2023	RHUMBLINE ADVISERS	0.11%	137.52K	192.52K	952	+0.70%
Dec 31, 2023	BARCLAYS PLC	0.11%	135.18K	189K	-326.03K	-70.69%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.1%	127.66K	178.72K	0	0
Dec 31, 2023	LPL FINANCIAL LLC	0.09%	115.53K	161.74K	-8.42K	-6.79%
Dec 31, 2023	SQUAREPOINT OPS LLC	0.09%	114K	159.6K	114K	+100.00%
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0.08%	100.81K	141K	100.81K	+100.00%
Dec 31, 2023	CITIGROUP INC	0.06%	74.9K	104.86K	-49.8K	-39.94%
Dec 31, 2023	JANNEY MONTGOMERY SCOTT LLC	0.06%	75.1K	105K	-9.79K	-11.53%
Dec 31, 2023	Y-INTERCEPT (HONG KONG) LTD	0.06%	71.52K	100.13K	71.52K	+100.00%
Dec 31, 2023	GROUP ONE TRADING, L.P.	0.06%	71.26K	99.76M	71.26K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.05%	66.02K	92.42K	-77.64K	-54.05%
Dec 31, 2023	CITADEL ADVISORS LLC	0.05%	62.7K	87.78K	-44.6K	-41.57%
Dec 31, 2023	TUDOR INVESTMENT CORP ET AL	0.05%	61.98K	86.77K	-25.18K	-28.89%
Dec 31, 2023	FLAGSHIP PIONEERING INC.	18.02%	23.12M	32.43M	0	0

MCRB Insiders

Insiders	Designation	Shares Held
AFEYAN NOUBAR		5.88M
NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC	10 percent owner	5.83M
POMERANTZ ROGER	President and CEO	213.98K
SHAFF ERIC D.	CEO and President	192.04K
ARKOWITZ DAVID	Chief Financial Officer	182.44K
DESROSIER THOMAS	Chief Legal Officer and EVP	142.46K
COOK DAVID N	See Remarks	139.94K
YOUNG TERESA L.	See Remarks	97.54K
HENN MATTHEW R.	See Remarks	84.44K
EGE DAVID S.	See Remarks	77.58K
AUNINS JOHN G.	Chief Technology Officer & EVP	75.25K
CLOGHESSY PAULA	See Remarks	45.68K
VON MOLTKE LISA	See Remarks	39.88K
CHAPMAN MARCUS	See Remarks	8.6K
TRUCKSIS MICHELE	See Remarks	4.89K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Feb 18, 2025	VON MOLTKE LISA	SALE	0.81	4.42K	3.58K	39.88K
Feb 18, 2025	SHAFF ERIC D.	SALE	0.81	12.73K	10.31K	192.04K
Feb 18, 2025	DESROSIER THOMAS	SALE	0.81	4.3K	3.49K	142.46K
Feb 18, 2025	HENN MATTHEW R.	SALE	0.81	3.95K	3.2K	84.44K
Feb 18, 2025	YOUNG TERESA L.	SALE	0.81	3.34K	2.7K	97.54K
Nov 18, 2024	YOUNG TERESA L.	SALE	0.54	735	397.64	90.4K
Nov 18, 2024	SHAFF ERIC D.	SALE	0.54	2.51K	1.35K	170.39K
Nov 18, 2024	DESROSIER THOMAS	SALE	0.54	878	474.74	135.19K
Nov 18, 2024	VON MOLTKE LISA	SALE	0.54	977	528.26	32.42K
Nov 18, 2024	HENN MATTHEW R.	SALE	0.54	927	501.23	77.77K
Oct 28, 2024	SHAFF ERIC D.	SALE	0.69	8.75K	6.04K	165.08K
Oct 28, 2024	DESROSIER THOMAS	SALE	0.69	4.26K	2.94K	133.41K
Oct 28, 2024	HENN MATTHEW R.	SALE	0.69	3.98K	2.75K	75.89K
Oct 28, 2024	VON MOLTKE LISA	SALE	0.69	4.33K	2.99K	30.42K
Oct 28, 2024	YOUNG TERESA L.	SALE	0.69	2.98K	2.06K	88.48K
Aug 16, 2024	VON MOLTKE LISA	SALE	0.84	973	817.32	21.01K
Aug 16, 2024	EGE DAVID S.	SALE	0.84	1.13K	947.52	77.58K
Aug 16, 2024	YOUNG TERESA L.	SALE	0.84	728	611.52	80.11K
Aug 16, 2024	SHAFF ERIC D.	SALE	0.84	2.52K	2.12K	145.99K
Aug 16, 2024	DESROSIER THOMAS	SALE	0.84	873	733.32	124.17K
Aug 16, 2024	HENN MATTHEW R.	SALE	0.84	923	775.32	67.25K
Aug 05, 2024	YOUNG TERESA L.	SALE	1.08	24.48K	26.53K	78.18K
May 15, 2024	HENN MATTHEW R.	SALE	0.94	891	837.54	65.36K
May 15, 2024	YOUNG TERESA L.	SALE	0.94	703	660.82	17.66K
May 15, 2024	DESROSIER THOMAS	SALE	0.94	843	792.42	122.39K
May 15, 2024	SHAFF ERIC D.	SALE	0.94	2.44K	2.29K	140.7K
May 15, 2024	VON MOLTKE LISA	SALE	0.94	939	882.66	19.02K
May 15, 2024	EGE DAVID S.	SALE	0.94	1.09K	1.02K	75.73K
Feb 16, 2024	ARKOWITZ DAVID	SALE	1.08	3.94K	4.25K	182.44K
Feb 16, 2024	HENN MATTHEW R.	SALE	1.08	4.17K	4.5K	63.44K
Feb 16, 2024	VON MOLTKE LISA	SALE	1.08	4.4K	4.75K	16.99K
Feb 16, 2024	YOUNG TERESA L.	SALE	1.08	3.37K	3.64K	15.71K
Feb 16, 2024	DESROSIER THOMAS	SALE	1.08	3.94K	4.25K	120.58K
Feb 16, 2024	SHAFF ERIC D.	SALE	1.08	11.55K	12.47K	135.32K
Feb 16, 2024	EGE DAVID S.	SALE	1.08	5.01K	5.41K	73.86K
Oct 30, 2023	ARKOWITZ DAVID	SALE	1.35	4.07K	5.49K	175.76K
Oct 30, 2023	SHAFF ERIC D.	SALE	1.35	8.55K	11.55K	115.62K
Oct 30, 2023	CLOGHESSY PAULA	SALE	1.35	2.9K	3.92K	45.68K
Oct 30, 2023	YOUNG TERESA L.	SALE	1.35	2.91K	3.92K	8.45K
Oct 30, 2023	VON MOLTKE LISA	SALE	1.35	4.23K	5.71K	9.51K
Oct 30, 2023	HENN MATTHEW R.	SALE	1.35	3.89K	5.25K	56.36K
Oct 30, 2023	EGE DAVID S.	SALE	1.35	4.07K	5.49K	66.99K
Oct 30, 2023	DESROSIER THOMAS	SALE	1.35	4.16K	5.61K	113.89K
Apr 28, 2023	EGE DAVID S.	SALE	5.19	7.04K	36.53K	59.7K
Oct 31, 2022	EGE DAVID S.	SALE	7.93	5.01K	39.75K	46.73K
Jul 05, 2022	AFEYAN NOUBAR	PURCHASE	3.15	2.91M	9.18M	5.88M
Jul 05, 2022	NUTRITIONAL HEALTH LTP FUND GENERAL PARTNER LLC	PURCHASE	3.15	5.83M	18.35M	5.83M
Dec 01, 2020	HENN MATTHEW R.	SALE	28.34	9.84K	278.89K	0
Nov 22, 2019	CHAPMAN MARCUS	SALE	3.91	3.4K	13.3K	8.6K
Jun 18, 2019	AFEYAN NOUBAR	PURCHASE	2.25	4.44M	10M	4.44M
Jan 28, 2019	DESROSIER THOMAS	SALE	5.75	5.47K	31.48K	16.05K
Jan 28, 2019	SHAFF ERIC D.	SALE	5.75	4.38K	25.19K	12.84K
Dec 17, 2018	AUNINS JOHN G.	SALE	6.39	14.28K	91.31K	75.25K
Nov 15, 2018	AUNINS JOHN G.	SALE	8.26	14.28K	117.91K	89.53K
Oct 15, 2018	AUNINS JOHN G.	SALE	5.94	14.28K	84.8K	103.81K
Sep 17, 2018	AUNINS JOHN G.	SALE	7.27	14.28K	103.88K	118.09K
Sep 07, 2018	POMERANTZ ROGER	SALE	9.00	1.81K	16.29K	213.98K
Sep 06, 2018	POMERANTZ ROGER	SALE	9.04	3.01K	27.24K	215.79K
Sep 05, 2018	POMERANTZ ROGER	SALE	9.12	9.51K	86.71K	218.8K
Aug 15, 2018	AUNINS JOHN G.	SALE	7.57	14.28K	108.07K	132.37K
Jul 15, 2018	AUNINS JOHN G.	SALE	8.10	14.28K	115.73K	160.93K
Jul 11, 2018	POMERANTZ ROGER	SALE	9.01	1.01K	9.1K	228.3K
Jul 10, 2018	POMERANTZ ROGER	SALE	9.05	5.99K	54.21K	228.3K
Jul 09, 2018	POMERANTZ ROGER	SALE	9.14	10.98K	100.35K	228.3K
Jul 06, 2018	POMERANTZ ROGER	SALE	9.14	15.37K	140.51K	228.3K
Jun 29, 2018	POMERANTZ ROGER	SALE	9.10	4.5K	40.92K	228.3K
Jun 28, 2018	POMERANTZ ROGER	SALE	9.15	21.56K	197.38K	228.3K
Jun 27, 2018	POMERANTZ ROGER	SALE	9.03	16.99K	153.41K	228.3K
Jun 26, 2018	POMERANTZ ROGER	SALE	9.19	21.22K	195.13K	228.3K
Jun 25, 2018	POMERANTZ ROGER	SALE	9.21	26.75K	246.5K	228.3K
Jun 22, 2018	POMERANTZ ROGER	SALE	9.36	40.06K	374.76K	238.77K
Jun 21, 2018	POMERANTZ ROGER	SALE	9.06	18.99K	172.09K	278.83K
Jun 20, 2018	POMERANTZ ROGER	SALE	9.33	26.49K	247.05K	297.81K
Jun 15, 2018	AUNINS JOHN G.	SALE	8.57	14.28K	122.33K	170.21K
May 15, 2018	AUNINS JOHN G.	SALE	8.08	14.28K	115.4K	146.65K
May 09, 2018	POMERANTZ ROGER	SALE	9.00	233	2.1K	324.3K
Apr 25, 2018	AUNINS JOHN G.	SALE	7.58	14.28K	108.27K	184.49K
Jan 26, 2018	TRUCKSIS MICHELE	SALE	11.02	2.61K	28.73K	4.89K
Jan 26, 2018	SHAFF ERIC D.	SALE	11.02	2.78K	30.64K	5.22K
Jan 26, 2018	COOK DAVID N	SALE	11.02	1.74K	19.15K	139.94K
Jan 26, 2018	AUNINS JOHN G.	SALE	11.02	1.74K	19.15K	198.76K
Jan 26, 2018	DESROSIER THOMAS	SALE	11.02	3.48K	38.29K	6.53K
Dec 19, 2017	AUNINS JOHN G.	SALE	10.14	1.62K	16.46K	59.44K
Aug 29, 2016	AUNINS JOHN G.	SALE	10.87	9.39K	102.07K	192.13K
Jul 28, 2016	TRUCKSIS MICHELE	SALE	35.18	4.16K	146.21K	0
Jul 27, 2016	TRUCKSIS MICHELE	SALE	35.14	38.06K	1.34M	0
Jul 27, 2016	POMERANTZ ROGER	SALE	35.00	20K	700K	183.69K
Jul 27, 2016	AUNINS JOHN G.	SALE	35.00	9.25K	323.75K	201.52K
Jul 25, 2016	AUNINS JOHN G.	SALE	34.18	9.39K	320.95K	210.77K
Jul 06, 2016	POMERANTZ ROGER	SALE	29.80	25.54K	760.94K	183.69K
Jul 05, 2016	POMERANTZ ROGER	SALE	29.96	2.91K	87.03K	183.69K
Jul 01, 2016	POMERANTZ ROGER	SALE	30.00	10K	300K	183.69K
Jun 30, 2016	SHAFF ERIC D.	SALE	29.54	4.53K	133.9K	0
Jun 28, 2016	SHAFF ERIC D.	SALE	28.85	1.67K	48.09K	0
Jun 27, 2016	AUNINS JOHN G.	SALE	27.23	9.39K	255.69K	32.66K
Jun 27, 2016	SHAFF ERIC D.	SALE	28.00	3.33K	93.35K	0
Jun 02, 2016	POMERANTZ ROGER	SALE	33.22	20.31K	674.64K	183.69K
Jun 02, 2016	COOK DAVID N	SALE	31.00	8K	248K	136.67K
Jun 01, 2016	POMERANTZ ROGER	SALE	30.65	52.44K	1.61M	183.69K
Jun 01, 2016	COOK DAVID N	SALE	29.43	16K	470.88K	144.67K
May 31, 2016	AUNINS JOHN G.	SALE	30.57	650	19.87K	42.05K
May 25, 2016	AFEYAN NOUBAR	SALE	27.60	599.3K	16.54M	0
May 24, 2016	POMERANTZ ROGER	SALE	30.00	9.8K	294.03K	183.69K
May 06, 2016	POMERANTZ ROGER	SALE	25.10	308	7.73K	22.73K
May 05, 2016	POMERANTZ ROGER	SALE	26.34	8.9K	234.43K	22.73K
May 04, 2016	POMERANTZ ROGER	SALE	27.31	700	19.12K	22.73K
May 03, 2016	POMERANTZ ROGER	SALE	28.44	7.14K	203.12K	22.93K
May 02, 2016	POMERANTZ ROGER	SALE	29.59	8.25K	244.09K	22.73K
Apr 25, 2016	AUNINS JOHN G.	SALE	31.94	18.64K	595.36K	56.06K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES59.06K15

NET SHARES-59.06K15

NO. OF SHARES HELD1.56M15

% NET SHARES-103.8%0%

MCRB Stock Ownership Breakdown

Seres Therapeutics, Inc.

MCRB Stock Outstanding Shares

Market Insider MCRB

Institutional Ownership

MCRB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

MCRB Stock Outstanding Shares

Market Insider MCRB

Institutional Ownership

MCRB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions