Gossamer Bio (GOSS) insider trading activity: Get Latest News Today

GOSS 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 Shares2.76

Short Percent Of Float2.84

Shares Outstanding226.60M

Shares Float187.95M

Shares Short6.25M

Short Ratio5.53

2.84%

Short % of Float

2.76%

Short % of Shares Outstanding

Market Insider GOSS

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

3.29% Percentage of Shares held by All Insiders

78.27% Percentage of Shares held by All Institutions

80.94% Percentage of Float held by Institutions

115

Number of Institutions Holding Shares

Institutional Ownership

About 78.27% of GOSS shares are held by financial institutions. TWO SIGMA INVESTMENTS, LP is the top corporate investor, holding 808.77K shares valued at $954.35K. A 0.53% stake in Gossamer Bio, Inc. is owned by the company. BANK OF NEW YORK MELLON CORP owns 20.22K shares valued at $23.86K, which translates its holding of 0.01% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.53%	808.77K	954.35K	-213.49K	-20.88%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.01%	20.22K	23.86K	-71.03K	-77.84%
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.01%	16.91K	19.95K	4.71K	+38.58%
Mar 31, 2024	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	0.01%	15K	18K	15K	+100.00%
Mar 31, 2024	VANGUARD PERSONALIZED INDEXING MANAGEMENT, LLC	0.01%	12.22K	14.41K	12.22K	+100.00%
Mar 31, 2024	ADAR1 CAPITAL MANAGEMENT, LLC	0.48%	732.63K	864.5K	19.6K	+2.75%
Mar 31, 2024	STATE STREET CORP	0.45%	689.25K	813.32K	-24.3K	-3.41%
Mar 31, 2024	NANTAHALA CAPITAL MANAGEMENT, LLC	0.44%	672.86K	793.97K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.44%	671.6K	792K	-325.4K	-32.64%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.43%	659.69K	778.43K	431.09K	+188.59%
Mar 31, 2024	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0.39%	597.69K	705.28K	-712.78K	-54.39%
Mar 31, 2024	EVERSEPT PARTNERS, LP	3.93%	5.99M	7.07M	-438.24K	-6.81%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.39%	592.89K	699.61K	86K	+16.97%
Mar 31, 2024	HHLR ADVISORS, LTD.	3.26%	4.97M	5.87M	0	0
Mar 31, 2024	PLATINUM INVESTMENT MANAGEMENT LTD	3.08%	4.69M	5.54M	-2.26M	-32.50%
Mar 31, 2024	MORGAN STANLEY	2.84%	4.34M	5.12M	-1.23M	-22.15%
Mar 31, 2024	HRT FINANCIAL LP	0.37%	562.06K	663K	549.74K	+4,462.92%
Mar 31, 2024	MONACO ASSET MANAGEMENT SAM	0.36%	556K	656.08K	276K	+98.57%
Mar 31, 2024	ECOR1 CAPITAL, LLC	6.03%	9.2M	10.85M	0	0
Mar 31, 2024	OCTAGON CAPITAL ADVISORS LP	6.02%	9.19M	10.84M	0	0
Mar 31, 2024	FMR LLC	5.37%	8.19M	9.66M	-4.07M	-33.23%
Mar 31, 2024	ARCH VENTURE MANAGEMENT, LLC	5.28%	8.06M	9.51M	0	0
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	4.26%	6.5M	7.66M	2.27M	+53.75%
Mar 31, 2024	PALO ALTO INVESTORS LP	4.19%	6.39M	7.54M	432.89K	+7.26%
Mar 31, 2024	FARALLON CAPITAL MANAGEMENT LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	SAMSARA BIOCAPITAL, LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	SILVERARC CAPITAL MANAGEMENT, LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	MADISON AVENUE PARTNERS, LP	2.71%	4.14M	4.89M	-913.7K	-18.08%
Mar 31, 2024	CITADEL ADVISORS LLC	2.54%	3.87M	4.57M	-2.27M	-36.90%
Mar 31, 2024	DEUTSCHE BANK AG\	2.49%	3.81M	4.49M	0	0
Mar 31, 2024	MONASHEE INVESTMENT MANAGEMENT LLC	2.27%	3.46M	4.08M	0	0
Mar 31, 2024	CI PRIVATE WEALTH, LLC	2.14%	3.27M	3.86M	334.34K	+11.38%
Mar 31, 2024	ROCK SPRINGS CAPITAL MANAGEMENT LP	2.14%	3.27M	3.86M	0	0
Mar 31, 2024	683 CAPITAL MANAGEMENT, LLC	2.13%	3.25M	3.84M	-64.7K	-1.95%
Mar 31, 2024	FEDERATED HERMES, INC.	2.05%	3.13M	3.85M	-73.35K	-2.29%
Mar 31, 2024	BLACKROCK INC.	2.02%	3.09M	3.65M	-289.32K	-8.56%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	1.89%	2.89M	3.41M	-804.22K	-21.76%
Mar 31, 2024	ACADIAN ASSET MANAGEMENT LLC	1.79%	2.74M	3.23M	931.25K	+51.59%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	1.77%	2.69M	3.18M	-32.29K	-1.18%
Mar 31, 2024	OPALEYE MANAGEMENT INC.	1.6%	2.44M	2.88M	-542.09K	-18.18%
Mar 31, 2024	LAURION CAPITAL MANAGEMENT LP	1.51%	2.3M	2.72M	2.3M	+100.00%
Mar 31, 2024	CITIGROUP INC	1.5%	2.29M	2.7M	582.34K	+34.15%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.5%	2.28M	2.7M	10.69K	+0.47%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	1.19%	1.81M	2.14M	1.31M	+262.61%
Mar 31, 2024	JACOBS LEVY EQUITY MANAGEMENT, INC	1.07%	1.63M	1.93M	-468.96K	-22.30%
Mar 31, 2024	DAFNA CAPITAL MANAGEMENT LLC	0.92%	1.41M	1.66M	-66.79K	-4.52%
Mar 31, 2024	DRIEHAUS CAPITAL MANAGEMENT LLC	0.9%	1.37M	1.61M	1.37M	+100.00%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.82%	1.25M	1.48M	32.94K	+2.70%
Mar 31, 2024	MARSHALL WACE, LLP	0.81%	1.23M	1.45M	215.96K	+21.26%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.76%	1.16M	1.37M	59.9K	+5.44%
Mar 31, 2024	SPHERA FUNDS MANAGEMENT LTD.	0.67%	1.03M	1.21M	-310.96K	-23.24%
Mar 31, 2024	NEA MANAGEMENT COMPANY, LLC	10.38%	15.84M	18.69M	0	0
Mar 31, 2024	ARTAL GROUP S.A.	8.72%	13.31M	15.7M	1.25M	+10.37%
Mar 31, 2024	VANGUARD GROUP INC	7.71%	11.76M	13.88M	128.15K	+1.10%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.28%	422.26K	498.27M	-82.54K	-16.35%
Mar 31, 2024	NORTHERN TRUST CORP	0.25%	386.56K	456.14K	-56.23K	-12.70%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.19%	287.34K	339.06K	-25.02K	-8.01%
Mar 31, 2024	MARATHON TRADING INVESTMENT MANAGEMENT LLC	0.14%	210K	247.8K	210K	+100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0.13%	201.9K	238.24K	201.9K	+100.00%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.12%	185.3K	218.65K	0	0
Mar 31, 2024	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.12%	180.99K	214K	180.99K	+100.00%
Mar 31, 2024	JUMP FINANCIAL, LLC	0.1%	144.95K	171.04K	144.95K	+100.00%
Mar 31, 2024	BIRCHVIEW CAPITAL, LP	0.09%	138.18K	163.05K	0	0
Mar 31, 2024	SMITH, MOORE & CO.	0.08%	126K	148.68K	0	0
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.06%	98.04K	115.68K	98.04K	+100.00%
Mar 31, 2024	Y-INTERCEPT (HONG KONG) LTD	0.06%	90.81K	107.15K	90.81K	+100.00%
Mar 31, 2024	SEQUOIA FINANCIAL ADVISORS, LLC	0.05%	73.5K	86.73K	5K	+7.30%
Mar 31, 2024	FINANCIAL ADVOCATES INVESTMENT MANAGEMENT	0.04%	67.85K	80.06K	-30.5K	-31.01%
Mar 31, 2024	OMERS ADMINISTRATION CORP	0.04%	64.6K	76.23K	64.6K	+100.00%
Mar 31, 2024	JEFFERIES FINANCIAL GROUP INC.	0.04%	53.6K	63.25K	53.6K	+100.00%
Mar 31, 2024	CTC ALTERNATIVE STRATEGIES, LTD.	0.03%	49.5K	58.41K	49.5K	+100.00%
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.03%	46.9K	55K	46.9K	+100.00%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.02%	29.94K	35.32K	-4.61K	-13.34%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.02%	28.52K	34K	28.52K	+100.00%
Mar 31, 2024	SIVIA CAPITAL PARTNERS, LLC	0.02%	24.57K	28.99K	24.57K	+100.00%
Mar 31, 2024	CLEARSTEAD ADVISORS, LLC	0.01%	22K	15.84K	0	0
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	1.92%	3.7M	3.37M	3.7M	+100.00%
Dec 31, 2023	MONASHEE INVESTMENT MANAGEMENT LLC	1.79%	3.46M	3.16M	-1.84M	-34.77%
Dec 31, 2023	BLACKROCK INC.	1.75%	3.38M	3.08M	-1.09M	-24.36%
Dec 31, 2023	683 CAPITAL MANAGEMENT, LLC	1.72%	3.31M	3.02M	1.59M	+92.03%
Dec 31, 2023	ROCK SPRINGS CAPITAL MANAGEMENT LP	1.69%	3.27M	2.98M	0	0
Dec 31, 2023	FEDERATED HERMES, INC.	1.66%	3.21M	2.93M	-788.26K	-19.73%
Dec 31, 2023	OPALEYE MANAGEMENT INC.	1.55%	2.98M	2.72M	-1.77M	-37.27%
Dec 31, 2023	CI PRIVATE WEALTH, LLC	1.52%	2.94M	2.68M	965.09K	+48.92%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	1.51%	2.91M	2.66M	-3.89M	-57.18%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	1.41%	2.73M	2.49M	1.06M	+63.79%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.18%	2.27M	2.07M	107.35K	+4.96%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	1.09%	2.1M	1.92M	2.1M	+100.00%
Dec 31, 2023	WEISS ASSET MANAGEMENT LP	1.04%	2M	1.83M	0	0
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0.94%	1.81M	1.64M	270.48K	+17.62%
Dec 31, 2023	CITIGROUP INC	0.88%	1.71M	1.56M	1.51M	+766.88%
Dec 31, 2023	DAFNA CAPITAL MANAGEMENT LLC	0.77%	1.48M	1.35M	0	0
Dec 31, 2023	SPHERA FUNDS MANAGEMENT LTD.	0.69%	1.34M	1.22M	-594.48K	-30.76%
Dec 31, 2023	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0.68%	1.31M	1.2B	-1.72M	-56.77%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.63%	1.22M	1.11M	139.19K	+12.88%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.57%	1.1M	1M	47.4K	+4.50%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.53%	1.02M	932.81K	486.17K	+90.69%
Dec 31, 2023	MARSHALL WACE, LLP	0.53%	1.02M	924.36K	-631.03K	-38.32%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.52%	997K	910K	997K	+100.00%
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	0.43%	838.6K	765.22K	0	0
Dec 31, 2023	STATE STREET CORP	0.37%	713.55K	651.12K	383.4K	+116.13%
Dec 31, 2023		0.37%	713.03K	650.64K	713.03K	+100.00%
Dec 31, 2023	NANTAHALA CAPITAL MANAGEMENT, LLC	0.35%	672.86K	613.98K	-5.42M	-88.95%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.26%	506.89K	462.54K	235.58K	+86.83%
Dec 31, 2023	TD ASSET MANAGEMENT INC	0.26%	504.8K	460.63K	504.8K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.23%	442.79K	404.04K	6.03K	+1.38%
Dec 31, 2023	NEA MANAGEMENT COMPANY, LLC	8.21%	15.84M	14.45M	110.07K	+0.70%
Dec 31, 2023	FMR LLC	6.36%	12.26M	11.19M	11.63M	+1,820.98%
Dec 31, 2023	ARTAL GROUP S.A.	6.25%	12.06M	11M	5.66M	+88.43%
Dec 31, 2023	VANGUARD GROUP INC	6.03%	11.64M	10.62M	367.31K	+3.26%
Dec 31, 2023	ECOR1 CAPITAL, LLC	4.77%	9.2M	8.39M	0	0
Dec 31, 2023	OCTAGON CAPITAL ADVISORS LP	4.76%	9.19M	8.38M	1M	+12.21%
Dec 31, 2023	ARCH VENTURE MANAGEMENT, LLC	4.18%	8.06M	7.35M	0	0
Dec 31, 2023	PLATINUM INVESTMENT MANAGEMENT LTD	3.61%	6.95M	6.35M	1.6M	+29.79%
Dec 31, 2023	EVERSEPT PARTNERS, LP	3.34%	6.43M	5.87M	2M	+45.28%
Dec 31, 2023	CITADEL ADVISORS LLC	3.18%	6.14M	5.6M	-27.91K	-0.45%
Dec 31, 2023	FARALLON CAPITAL MANAGEMENT LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	SAMSARA BIOCAPITAL, LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	SILVERARC CAPITAL MANAGEMENT, LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	PALO ALTO INVESTORS LP	3.09%	5.96M	6.53M	-571.4K	-8.75%
Dec 31, 2023	MORGAN STANLEY	2.89%	5.57M	5.08M	5.18M	+1,322.91%
Dec 31, 2023	MADISON AVENUE PARTNERS, LP	2.62%	5.05M	4.61M	-1.08M	-17.55%
Dec 31, 2023	HHLR ADVISORS, LTD.	2.58%	4.97M	4.54M	0	0
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	2.19%	4.22M	3.85M	-2.83M	-40.09%
Dec 31, 2023	ARMISTICE CAPITAL, LLC	2.15%	4.16M	3.79M	-800K	-16.14%
Dec 31, 2023	DEUTSCHE BANK AG\	1.97%	3.81M	3.46M	3.81M	+100.00%

GOSS Insiders

Among the GOSS insiders holding of 3.29% of the stake in company, OMEGA FUND V, L.P., 10 percent owner, holds the largest shares of 6.55M. HASNAIN FAHEEM, President & CEO, is the second largest GOSS insider with ownership of 5.41M shares. GUJRATHI SHEILA, President & CEO, stands third with possession of 4.05M shares of that stake.

Insiders	Designation	Shares Held
OMEGA FUND V, L.P.	10 percent owner	6.55M
HASNAIN FAHEEM	President & CEO	5.41M
GUJRATHI SHEILA	President & CEO	4.05M
CHRISTIAN WAAGE	EVP, Tech Ops and Admin	585.93K
GIRAUDO BRYAN	COO/CFO	480.01K
SALTER-CID LUISA	Chief Scientific Officer	206.07K
ARANDA RICHARD	Chief Medical Officer	196.89K
CARTER LAURA	Chief Scientific Officer	76.26K
PETERSON CARYN	EVP, Regulatory Affairs	49.83K
MILLIGAN SANDRA	director	32K
SMITH ROBERT PAUL JR	Chief Commercial Officer	25K
COX RUSSELL J.	director	7.2K
DUPONT JAKOB	Chief Medical Officer	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jun 24, 2024	ARANDA RICHARD	SALE	0.66	1.91K	1.26K	196.89K
Jun 21, 2024	HASNAIN FAHEEM	PURCHASE	0.67	372K	250.28K	5.41M
Jun 18, 2024	GIRAUDO BRYAN	PURCHASE	0.59	100K	59.11K	480.01K
Jun 17, 2024	SMITH ROBERT PAUL JR	PURCHASE	0.60	25K	15.05K	25K
Mar 27, 2024	CHRISTIAN WAAGE	SALE	1.16	6.43K	7.43K	585.93K
Mar 27, 2024	GIRAUDO BRYAN	SALE	1.16	6.43K	7.43K	92.74K
Mar 27, 2024	HASNAIN FAHEEM	SALE	1.16	23.17K	26.77K	120.29K
Mar 18, 2024	PETERSON CARYN	SALE	1.33	4.02K	5.34K	49.83K
Mar 18, 2024	ARANDA RICHARD	SALE	1.33	4.02K	5.34K	198.8K
Nov 15, 2023	MILLIGAN SANDRA	PURCHASE	0.79	32K	25.21K	32K
Nov 13, 2023	GIRAUDO BRYAN	PURCHASE	0.56	200K	112.88K	380.01K
Jun 22, 2023	ARANDA RICHARD	SALE	1.29	1.81K	2.34K	197.57K
Apr 04, 2023	GIRAUDO BRYAN	PURCHASE	1.02	55K	56.09K	125.99K
Mar 20, 2023	GIRAUDO BRYAN	PURCHASE	0.97	50K	48.44K	70.99K
Mar 20, 2023	CHRISTIAN WAAGE	PURCHASE	1.20	18.5K	22.14K	32.39K
Mar 16, 2023	CARTER LAURA	SALE	1.10	6.03K	6.62K	76.26K
Mar 16, 2023	ARANDA RICHARD	SALE	1.10	7.56K	8.3K	199.39K
Mar 16, 2023	PETERSON CARYN	SALE	1.10	7.56K	8.31K	53.85K
Oct 24, 2022	CARTER LAURA	SALE	12.07	4.88K	58.87K	82.29K
Oct 24, 2022	PETERSON CARYN	SALE	12.07	4.76K	57.43K	61.42K
Oct 24, 2022	ARANDA RICHARD	SALE	12.07	4.76K	57.43K	205.43K
Jul 15, 2022	GIRAUDO BRYAN	PURCHASE	7.21	13.87K	100K	20.99K
Jul 15, 2022	HASNAIN FAHEEM	PURCHASE	7.21	138.7K	1M	3.62M
Jul 15, 2022	CHRISTIAN WAAGE	PURCHASE	7.21	6.93K	49.99K	13.89K
Jul 15, 2022	CARTER LAURA	PURCHASE	7.21	6.93K	49.99K	87.17K
Jul 01, 2022	CARTER LAURA	SALE	8.25	8.81K	72.65K	80.23K
Jun 22, 2022	ARANDA RICHARD	SALE	6.88	1.78K	12.23K	209.9K
May 04, 2022	CARTER LAURA	SALE	7.20	1.26K	9.09K	89.04K
Mar 23, 2022	GIRAUDO BRYAN	SALE	8.91	10.72K	95.59K	99.17K
Mar 23, 2022	CHRISTIAN WAAGE	SALE	8.91	10.72K	95.59K	579.01K
Mar 23, 2022	HASNAIN FAHEEM	SALE	8.91	19.04K	169.7K	143.47K
Mar 16, 2022	PETERSON CARYN	SALE	8.28	6.28K	51.98K	66.17K
Mar 16, 2022	ARANDA RICHARD	SALE	8.28	6.28K	51.98K	211.68K
Mar 16, 2022	CARTER LAURA	SALE	8.28	5K	41.41K	90.3K
Oct 25, 2021	CARTER LAURA	SALE	12.25	2.38K	29.12K	95.31K
Oct 25, 2021	ARANDA RICHARD	SALE	12.25	2.38K	29.12K	217.43K
Oct 25, 2021	PETERSON CARYN	SALE	12.25	2.38K	29.12K	72.45K
Mar 23, 2021	CHRISTIAN WAAGE	SALE	9.48	5.49K	52.05K	588.2K
Mar 23, 2021	SALTER-CID LUISA	SALE	9.48	5.49K	52.05K	206.07K
Mar 23, 2021	GIRAUDO BRYAN	SALE	9.48	5.49K	52.05K	109.89K
Oct 14, 2020	HASNAIN FAHEEM	PURCHASE	10.36	96.52K	1M	3.48M
Oct 14, 2020	CHRISTIAN WAAGE	PURCHASE	9.53	2.5K	23.82K	6.95K
Oct 14, 2020	GIRAUDO BRYAN	PURCHASE	10.01	3K	30.04K	7.12K
Jun 23, 2020	GIRAUDO BRYAN	PURCHASE	12.96	2K	25.92K	4.12K
Dec 30, 2019	DUPONT JAKOB	SALE	15.00	40K	600K	0
Dec 27, 2019	DUPONT JAKOB	SALE	15.81	1.99K	31.53K	0
Sep 27, 2019	HASNAIN FAHEEM	PURCHASE	16.80	10K	167.98K	3.38M
Sep 27, 2019	GUJRATHI SHEILA	PURCHASE	16.80	10K	167.98K	4.05M
Sep 27, 2019	CHRISTIAN WAAGE	PURCHASE	16.65	1K	16.65K	4.45K
Sep 26, 2019	GIRAUDO BRYAN	PURCHASE	16.78	1.12K	18.81K	2.12K
Sep 20, 2019	OMEGA FUND V, L.P.	SALE	21.96	183.61K	4.03M	6.55M
Sep 18, 2019	OMEGA FUND V, L.P.	SALE	21.88	45.6K	997.64K	6.74M
Sep 17, 2019	OMEGA FUND V, L.P.	SALE	21.61	23.4K	505.79K	6.78M
Sep 16, 2019	OMEGA FUND V, L.P.	SALE	21.52	13.21K	284.33K	6.81M
Sep 11, 2019	OMEGA FUND V, L.P.	SALE	21.31	80.4K	1.71M	6.82M
Sep 10, 2019	OMEGA FUND V, L.P.	SALE	21.00	32.37K	679.87K	6.9M
Sep 06, 2019	OMEGA FUND V, L.P.	SALE	21.51	8.7K	187.1K	6.93M
Sep 05, 2019	OMEGA FUND V, L.P.	SALE	21.60	12.7K	274.43K	6.94M
Aug 29, 2019	SALTER-CID LUISA	SALE	20.09	26.25K	527.32K	124.06K
Aug 28, 2019	SALTER-CID LUISA	SALE	19.65	23.75K	466.72K	150.31K
May 30, 2019	GIRAUDO BRYAN	PURCHASE	18.70	1K	18.7K	1K
Feb 12, 2019	CHRISTIAN WAAGE	PURCHASE	16.00	1.55K	24.8K	501.5K
Feb 12, 2019	GIRAUDO BRYAN	PURCHASE	16.00	6K	96K	23.88K
Feb 12, 2019	COX RUSSELL J.	PURCHASE	16.00	7.2K	115.2K	7.2K

Frequently Asked Questions

GOSS Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares2.76

Short Percent Of Float2.84

Shares Outstanding226.60M

Shares Float187.95M

Shares Short6.25M

Short Ratio5.53

2.84%

Short % of Float

2.76%

Short % of Shares Outstanding

Market Insider GOSS

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

3.29% Percentage of Shares held by All Insiders

78.27% Percentage of Shares held by All Institutions

80.94% Percentage of Float held by Institutions

115

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.53%	808.77K	954.35K	-213.49K	-20.88%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.01%	20.22K	23.86K	-71.03K	-77.84%
Mar 31, 2024	RUSSELL INVESTMENTS GROUP, LTD.	0.01%	16.91K	19.95K	4.71K	+38.58%
Mar 31, 2024	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	0.01%	15K	18K	15K	+100.00%
Mar 31, 2024	VANGUARD PERSONALIZED INDEXING MANAGEMENT, LLC	0.01%	12.22K	14.41K	12.22K	+100.00%
Mar 31, 2024	ADAR1 CAPITAL MANAGEMENT, LLC	0.48%	732.63K	864.5K	19.6K	+2.75%
Mar 31, 2024	STATE STREET CORP	0.45%	689.25K	813.32K	-24.3K	-3.41%
Mar 31, 2024	NANTAHALA CAPITAL MANAGEMENT, LLC	0.44%	672.86K	793.97K	0	0
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.44%	671.6K	792K	-325.4K	-32.64%
Mar 31, 2024	QUBE RESEARCH & TECHNOLOGIES LTD	0.43%	659.69K	778.43K	431.09K	+188.59%
Mar 31, 2024	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0.39%	597.69K	705.28K	-712.78K	-54.39%
Mar 31, 2024	EVERSEPT PARTNERS, LP	3.93%	5.99M	7.07M	-438.24K	-6.81%
Mar 31, 2024	D. E. SHAW & CO., INC.	0.39%	592.89K	699.61K	86K	+16.97%
Mar 31, 2024	HHLR ADVISORS, LTD.	3.26%	4.97M	5.87M	0	0
Mar 31, 2024	PLATINUM INVESTMENT MANAGEMENT LTD	3.08%	4.69M	5.54M	-2.26M	-32.50%
Mar 31, 2024	MORGAN STANLEY	2.84%	4.34M	5.12M	-1.23M	-22.15%
Mar 31, 2024	HRT FINANCIAL LP	0.37%	562.06K	663K	549.74K	+4,462.92%
Mar 31, 2024	MONACO ASSET MANAGEMENT SAM	0.36%	556K	656.08K	276K	+98.57%
Mar 31, 2024	ECOR1 CAPITAL, LLC	6.03%	9.2M	10.85M	0	0
Mar 31, 2024	OCTAGON CAPITAL ADVISORS LP	6.02%	9.19M	10.84M	0	0
Mar 31, 2024	FMR LLC	5.37%	8.19M	9.66M	-4.07M	-33.23%
Mar 31, 2024	ARCH VENTURE MANAGEMENT, LLC	5.28%	8.06M	9.51M	0	0
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	4.26%	6.5M	7.66M	2.27M	+53.75%
Mar 31, 2024	PALO ALTO INVESTORS LP	4.19%	6.39M	7.54M	432.89K	+7.26%
Mar 31, 2024	FARALLON CAPITAL MANAGEMENT LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	SAMSARA BIOCAPITAL, LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	SILVERARC CAPITAL MANAGEMENT, LLC	4.02%	6.13M	7.23M	0	0
Mar 31, 2024	MADISON AVENUE PARTNERS, LP	2.71%	4.14M	4.89M	-913.7K	-18.08%
Mar 31, 2024	CITADEL ADVISORS LLC	2.54%	3.87M	4.57M	-2.27M	-36.90%
Mar 31, 2024	DEUTSCHE BANK AG\	2.49%	3.81M	4.49M	0	0
Mar 31, 2024	MONASHEE INVESTMENT MANAGEMENT LLC	2.27%	3.46M	4.08M	0	0
Mar 31, 2024	CI PRIVATE WEALTH, LLC	2.14%	3.27M	3.86M	334.34K	+11.38%
Mar 31, 2024	ROCK SPRINGS CAPITAL MANAGEMENT LP	2.14%	3.27M	3.86M	0	0
Mar 31, 2024	683 CAPITAL MANAGEMENT, LLC	2.13%	3.25M	3.84M	-64.7K	-1.95%
Mar 31, 2024	FEDERATED HERMES, INC.	2.05%	3.13M	3.85M	-73.35K	-2.29%
Mar 31, 2024	BLACKROCK INC.	2.02%	3.09M	3.65M	-289.32K	-8.56%
Mar 31, 2024	PRICE T ROWE ASSOCIATES INC /MD/	1.89%	2.89M	3.41M	-804.22K	-21.76%
Mar 31, 2024	ACADIAN ASSET MANAGEMENT LLC	1.79%	2.74M	3.23M	931.25K	+51.59%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	1.77%	2.69M	3.18M	-32.29K	-1.18%
Mar 31, 2024	OPALEYE MANAGEMENT INC.	1.6%	2.44M	2.88M	-542.09K	-18.18%
Mar 31, 2024	LAURION CAPITAL MANAGEMENT LP	1.51%	2.3M	2.72M	2.3M	+100.00%
Mar 31, 2024	CITIGROUP INC	1.5%	2.29M	2.7M	582.34K	+34.15%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.5%	2.28M	2.7M	10.69K	+0.47%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	1.19%	1.81M	2.14M	1.31M	+262.61%
Mar 31, 2024	JACOBS LEVY EQUITY MANAGEMENT, INC	1.07%	1.63M	1.93M	-468.96K	-22.30%
Mar 31, 2024	DAFNA CAPITAL MANAGEMENT LLC	0.92%	1.41M	1.66M	-66.79K	-4.52%
Mar 31, 2024	DRIEHAUS CAPITAL MANAGEMENT LLC	0.9%	1.37M	1.61M	1.37M	+100.00%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.82%	1.25M	1.48M	32.94K	+2.70%
Mar 31, 2024	MARSHALL WACE, LLP	0.81%	1.23M	1.45M	215.96K	+21.26%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.76%	1.16M	1.37M	59.9K	+5.44%
Mar 31, 2024	SPHERA FUNDS MANAGEMENT LTD.	0.67%	1.03M	1.21M	-310.96K	-23.24%
Mar 31, 2024	NEA MANAGEMENT COMPANY, LLC	10.38%	15.84M	18.69M	0	0
Mar 31, 2024	ARTAL GROUP S.A.	8.72%	13.31M	15.7M	1.25M	+10.37%
Mar 31, 2024	VANGUARD GROUP INC	7.71%	11.76M	13.88M	128.15K	+1.10%
Mar 31, 2024	TD ASSET MANAGEMENT INC	0.28%	422.26K	498.27M	-82.54K	-16.35%
Mar 31, 2024	NORTHERN TRUST CORP	0.25%	386.56K	456.14K	-56.23K	-12.70%
Mar 31, 2024	VICTORY CAPITAL MANAGEMENT INC	0.19%	287.34K	339.06K	-25.02K	-8.01%
Mar 31, 2024	MARATHON TRADING INVESTMENT MANAGEMENT LLC	0.14%	210K	247.8K	210K	+100.00%
Mar 31, 2024	JPMORGAN CHASE & CO	0.13%	201.9K	238.24K	201.9K	+100.00%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.12%	185.3K	218.65K	0	0
Mar 31, 2024	EXODUSPOINT CAPITAL MANAGEMENT, LP	0.12%	180.99K	214K	180.99K	+100.00%
Mar 31, 2024	JUMP FINANCIAL, LLC	0.1%	144.95K	171.04K	144.95K	+100.00%
Mar 31, 2024	BIRCHVIEW CAPITAL, LP	0.09%	138.18K	163.05K	0	0
Mar 31, 2024	SMITH, MOORE & CO.	0.08%	126K	148.68K	0	0
Mar 31, 2024	BALYASNY ASSET MANAGEMENT L.P.	0.06%	98.04K	115.68K	98.04K	+100.00%
Mar 31, 2024	Y-INTERCEPT (HONG KONG) LTD	0.06%	90.81K	107.15K	90.81K	+100.00%
Mar 31, 2024	SEQUOIA FINANCIAL ADVISORS, LLC	0.05%	73.5K	86.73K	5K	+7.30%
Mar 31, 2024	FINANCIAL ADVOCATES INVESTMENT MANAGEMENT	0.04%	67.85K	80.06K	-30.5K	-31.01%
Mar 31, 2024	OMERS ADMINISTRATION CORP	0.04%	64.6K	76.23K	64.6K	+100.00%
Mar 31, 2024	JEFFERIES FINANCIAL GROUP INC.	0.04%	53.6K	63.25K	53.6K	+100.00%
Mar 31, 2024	CTC ALTERNATIVE STRATEGIES, LTD.	0.03%	49.5K	58.41K	49.5K	+100.00%
Mar 31, 2024	COMMONWEALTH EQUITY SERVICES, LLC	0.03%	46.9K	55K	46.9K	+100.00%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.02%	29.94K	35.32K	-4.61K	-13.34%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.02%	28.52K	34K	28.52K	+100.00%
Mar 31, 2024	SIVIA CAPITAL PARTNERS, LLC	0.02%	24.57K	28.99K	24.57K	+100.00%
Mar 31, 2024	CLEARSTEAD ADVISORS, LLC	0.01%	22K	15.84K	0	0
Dec 31, 2023	PRICE T ROWE ASSOCIATES INC /MD/	1.92%	3.7M	3.37M	3.7M	+100.00%
Dec 31, 2023	MONASHEE INVESTMENT MANAGEMENT LLC	1.79%	3.46M	3.16M	-1.84M	-34.77%
Dec 31, 2023	BLACKROCK INC.	1.75%	3.38M	3.08M	-1.09M	-24.36%
Dec 31, 2023	683 CAPITAL MANAGEMENT, LLC	1.72%	3.31M	3.02M	1.59M	+92.03%
Dec 31, 2023	ROCK SPRINGS CAPITAL MANAGEMENT LP	1.69%	3.27M	2.98M	0	0
Dec 31, 2023	FEDERATED HERMES, INC.	1.66%	3.21M	2.93M	-788.26K	-19.73%
Dec 31, 2023	OPALEYE MANAGEMENT INC.	1.55%	2.98M	2.72M	-1.77M	-37.27%
Dec 31, 2023	CI PRIVATE WEALTH, LLC	1.52%	2.94M	2.68M	965.09K	+48.92%
Dec 31, 2023	ALYESKA INVESTMENT GROUP, L.P.	1.51%	2.91M	2.66M	-3.89M	-57.18%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	1.41%	2.73M	2.49M	1.06M	+63.79%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.18%	2.27M	2.07M	107.35K	+4.96%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	1.09%	2.1M	1.92M	2.1M	+100.00%
Dec 31, 2023	WEISS ASSET MANAGEMENT LP	1.04%	2M	1.83M	0	0
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	0.94%	1.81M	1.64M	270.48K	+17.62%
Dec 31, 2023	CITIGROUP INC	0.88%	1.71M	1.56M	1.51M	+766.88%
Dec 31, 2023	DAFNA CAPITAL MANAGEMENT LLC	0.77%	1.48M	1.35M	0	0
Dec 31, 2023	SPHERA FUNDS MANAGEMENT LTD.	0.69%	1.34M	1.22M	-594.48K	-30.76%
Dec 31, 2023	HIGHBRIDGE CAPITAL MANAGEMENT LLC	0.68%	1.31M	1.2B	-1.72M	-56.77%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.63%	1.22M	1.11M	139.19K	+12.88%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.57%	1.1M	1M	47.4K	+4.50%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.53%	1.02M	932.81K	486.17K	+90.69%
Dec 31, 2023	MARSHALL WACE, LLP	0.53%	1.02M	924.36K	-631.03K	-38.32%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.52%	997K	910K	997K	+100.00%
Dec 31, 2023	TANG CAPITAL MANAGEMENT LLC	0.43%	838.6K	765.22K	0	0
Dec 31, 2023	STATE STREET CORP	0.37%	713.55K	651.12K	383.4K	+116.13%
Dec 31, 2023		0.37%	713.03K	650.64K	713.03K	+100.00%
Dec 31, 2023	NANTAHALA CAPITAL MANAGEMENT, LLC	0.35%	672.86K	613.98K	-5.42M	-88.95%
Dec 31, 2023	D. E. SHAW & CO., INC.	0.26%	506.89K	462.54K	235.58K	+86.83%
Dec 31, 2023	TD ASSET MANAGEMENT INC	0.26%	504.8K	460.63K	504.8K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.23%	442.79K	404.04K	6.03K	+1.38%
Dec 31, 2023	NEA MANAGEMENT COMPANY, LLC	8.21%	15.84M	14.45M	110.07K	+0.70%
Dec 31, 2023	FMR LLC	6.36%	12.26M	11.19M	11.63M	+1,820.98%
Dec 31, 2023	ARTAL GROUP S.A.	6.25%	12.06M	11M	5.66M	+88.43%
Dec 31, 2023	VANGUARD GROUP INC	6.03%	11.64M	10.62M	367.31K	+3.26%
Dec 31, 2023	ECOR1 CAPITAL, LLC	4.77%	9.2M	8.39M	0	0
Dec 31, 2023	OCTAGON CAPITAL ADVISORS LP	4.76%	9.19M	8.38M	1M	+12.21%
Dec 31, 2023	ARCH VENTURE MANAGEMENT, LLC	4.18%	8.06M	7.35M	0	0
Dec 31, 2023	PLATINUM INVESTMENT MANAGEMENT LTD	3.61%	6.95M	6.35M	1.6M	+29.79%
Dec 31, 2023	EVERSEPT PARTNERS, LP	3.34%	6.43M	5.87M	2M	+45.28%
Dec 31, 2023	CITADEL ADVISORS LLC	3.18%	6.14M	5.6M	-27.91K	-0.45%
Dec 31, 2023	FARALLON CAPITAL MANAGEMENT LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	SAMSARA BIOCAPITAL, LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	SILVERARC CAPITAL MANAGEMENT, LLC	3.18%	6.13M	5.59M	0	0
Dec 31, 2023	PALO ALTO INVESTORS LP	3.09%	5.96M	6.53M	-571.4K	-8.75%
Dec 31, 2023	MORGAN STANLEY	2.89%	5.57M	5.08M	5.18M	+1,322.91%
Dec 31, 2023	MADISON AVENUE PARTNERS, LP	2.62%	5.05M	4.61M	-1.08M	-17.55%
Dec 31, 2023	HHLR ADVISORS, LTD.	2.58%	4.97M	4.54M	0	0
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	2.19%	4.22M	3.85M	-2.83M	-40.09%
Dec 31, 2023	ARMISTICE CAPITAL, LLC	2.15%	4.16M	3.79M	-800K	-16.14%
Dec 31, 2023	DEUTSCHE BANK AG\	1.97%	3.81M	3.46M	3.81M	+100.00%

GOSS Insiders

Insiders	Designation	Shares Held
OMEGA FUND V, L.P.	10 percent owner	6.55M
HASNAIN FAHEEM	President & CEO	5.41M
GUJRATHI SHEILA	President & CEO	4.05M
CHRISTIAN WAAGE	EVP, Tech Ops and Admin	585.93K
GIRAUDO BRYAN	COO/CFO	480.01K
SALTER-CID LUISA	Chief Scientific Officer	206.07K
ARANDA RICHARD	Chief Medical Officer	196.89K
CARTER LAURA	Chief Scientific Officer	76.26K
PETERSON CARYN	EVP, Regulatory Affairs	49.83K
MILLIGAN SANDRA	director	32K
SMITH ROBERT PAUL JR	Chief Commercial Officer	25K
COX RUSSELL J.	director	7.2K
DUPONT JAKOB	Chief Medical Officer	0

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jun 24, 2024	ARANDA RICHARD	SALE	0.66	1.91K	1.26K	196.89K
Jun 21, 2024	HASNAIN FAHEEM	PURCHASE	0.67	372K	250.28K	5.41M
Jun 18, 2024	GIRAUDO BRYAN	PURCHASE	0.59	100K	59.11K	480.01K
Jun 17, 2024	SMITH ROBERT PAUL JR	PURCHASE	0.60	25K	15.05K	25K
Mar 27, 2024	CHRISTIAN WAAGE	SALE	1.16	6.43K	7.43K	585.93K
Mar 27, 2024	GIRAUDO BRYAN	SALE	1.16	6.43K	7.43K	92.74K
Mar 27, 2024	HASNAIN FAHEEM	SALE	1.16	23.17K	26.77K	120.29K
Mar 18, 2024	PETERSON CARYN	SALE	1.33	4.02K	5.34K	49.83K
Mar 18, 2024	ARANDA RICHARD	SALE	1.33	4.02K	5.34K	198.8K
Nov 15, 2023	MILLIGAN SANDRA	PURCHASE	0.79	32K	25.21K	32K
Nov 13, 2023	GIRAUDO BRYAN	PURCHASE	0.56	200K	112.88K	380.01K
Jun 22, 2023	ARANDA RICHARD	SALE	1.29	1.81K	2.34K	197.57K
Apr 04, 2023	GIRAUDO BRYAN	PURCHASE	1.02	55K	56.09K	125.99K
Mar 20, 2023	GIRAUDO BRYAN	PURCHASE	0.97	50K	48.44K	70.99K
Mar 20, 2023	CHRISTIAN WAAGE	PURCHASE	1.20	18.5K	22.14K	32.39K
Mar 16, 2023	CARTER LAURA	SALE	1.10	6.03K	6.62K	76.26K
Mar 16, 2023	ARANDA RICHARD	SALE	1.10	7.56K	8.3K	199.39K
Mar 16, 2023	PETERSON CARYN	SALE	1.10	7.56K	8.31K	53.85K
Oct 24, 2022	CARTER LAURA	SALE	12.07	4.88K	58.87K	82.29K
Oct 24, 2022	PETERSON CARYN	SALE	12.07	4.76K	57.43K	61.42K
Oct 24, 2022	ARANDA RICHARD	SALE	12.07	4.76K	57.43K	205.43K
Jul 15, 2022	GIRAUDO BRYAN	PURCHASE	7.21	13.87K	100K	20.99K
Jul 15, 2022	HASNAIN FAHEEM	PURCHASE	7.21	138.7K	1M	3.62M
Jul 15, 2022	CHRISTIAN WAAGE	PURCHASE	7.21	6.93K	49.99K	13.89K
Jul 15, 2022	CARTER LAURA	PURCHASE	7.21	6.93K	49.99K	87.17K
Jul 01, 2022	CARTER LAURA	SALE	8.25	8.81K	72.65K	80.23K
Jun 22, 2022	ARANDA RICHARD	SALE	6.88	1.78K	12.23K	209.9K
May 04, 2022	CARTER LAURA	SALE	7.20	1.26K	9.09K	89.04K
Mar 23, 2022	GIRAUDO BRYAN	SALE	8.91	10.72K	95.59K	99.17K
Mar 23, 2022	CHRISTIAN WAAGE	SALE	8.91	10.72K	95.59K	579.01K
Mar 23, 2022	HASNAIN FAHEEM	SALE	8.91	19.04K	169.7K	143.47K
Mar 16, 2022	PETERSON CARYN	SALE	8.28	6.28K	51.98K	66.17K
Mar 16, 2022	ARANDA RICHARD	SALE	8.28	6.28K	51.98K	211.68K
Mar 16, 2022	CARTER LAURA	SALE	8.28	5K	41.41K	90.3K
Oct 25, 2021	CARTER LAURA	SALE	12.25	2.38K	29.12K	95.31K
Oct 25, 2021	ARANDA RICHARD	SALE	12.25	2.38K	29.12K	217.43K
Oct 25, 2021	PETERSON CARYN	SALE	12.25	2.38K	29.12K	72.45K
Mar 23, 2021	CHRISTIAN WAAGE	SALE	9.48	5.49K	52.05K	588.2K
Mar 23, 2021	SALTER-CID LUISA	SALE	9.48	5.49K	52.05K	206.07K
Mar 23, 2021	GIRAUDO BRYAN	SALE	9.48	5.49K	52.05K	109.89K
Oct 14, 2020	HASNAIN FAHEEM	PURCHASE	10.36	96.52K	1M	3.48M
Oct 14, 2020	CHRISTIAN WAAGE	PURCHASE	9.53	2.5K	23.82K	6.95K
Oct 14, 2020	GIRAUDO BRYAN	PURCHASE	10.01	3K	30.04K	7.12K
Jun 23, 2020	GIRAUDO BRYAN	PURCHASE	12.96	2K	25.92K	4.12K
Dec 30, 2019	DUPONT JAKOB	SALE	15.00	40K	600K	0
Dec 27, 2019	DUPONT JAKOB	SALE	15.81	1.99K	31.53K	0
Sep 27, 2019	HASNAIN FAHEEM	PURCHASE	16.80	10K	167.98K	3.38M
Sep 27, 2019	GUJRATHI SHEILA	PURCHASE	16.80	10K	167.98K	4.05M
Sep 27, 2019	CHRISTIAN WAAGE	PURCHASE	16.65	1K	16.65K	4.45K
Sep 26, 2019	GIRAUDO BRYAN	PURCHASE	16.78	1.12K	18.81K	2.12K
Sep 20, 2019	OMEGA FUND V, L.P.	SALE	21.96	183.61K	4.03M	6.55M
Sep 18, 2019	OMEGA FUND V, L.P.	SALE	21.88	45.6K	997.64K	6.74M
Sep 17, 2019	OMEGA FUND V, L.P.	SALE	21.61	23.4K	505.79K	6.78M
Sep 16, 2019	OMEGA FUND V, L.P.	SALE	21.52	13.21K	284.33K	6.81M
Sep 11, 2019	OMEGA FUND V, L.P.	SALE	21.31	80.4K	1.71M	6.82M
Sep 10, 2019	OMEGA FUND V, L.P.	SALE	21.00	32.37K	679.87K	6.9M
Sep 06, 2019	OMEGA FUND V, L.P.	SALE	21.51	8.7K	187.1K	6.93M
Sep 05, 2019	OMEGA FUND V, L.P.	SALE	21.60	12.7K	274.43K	6.94M
Aug 29, 2019	SALTER-CID LUISA	SALE	20.09	26.25K	527.32K	124.06K
Aug 28, 2019	SALTER-CID LUISA	SALE	19.65	23.75K	466.72K	150.31K
May 30, 2019	GIRAUDO BRYAN	PURCHASE	18.70	1K	18.7K	1K
Feb 12, 2019	CHRISTIAN WAAGE	PURCHASE	16.00	1.55K	24.8K	501.5K
Feb 12, 2019	GIRAUDO BRYAN	PURCHASE	16.00	6K	96K	23.88K
Feb 12, 2019	COX RUSSELL J.	PURCHASE	16.00	7.2K	115.2K	7.2K

GOSS Stock Ownership Breakdown

Gossamer Bio, Inc.

GOSS Stock Outstanding Shares

Market Insider GOSS

Institutional Ownership

GOSS Insiders

Buying/Selling by Insiders

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GOSS Stock Outstanding Shares

Market Insider GOSS

Institutional Ownership

GOSS Insiders

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