Y-mAbs Therapeutics (YMAB) insider trading activity: Get Latest News Today

YMAB 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 Shares9.81

Short Percent Of Float11.75

Shares Outstanding45.22M

Shares Float27.85M

Shares Short4.44M

Short Ratio10.87

11.75%

Short % of Float

9.81%

Short % of Shares Outstanding

Market Insider YMAB

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

12.32% Percentage of Shares held by All Insiders

72.16% Percentage of Shares held by All Institutions

82.3% Percentage of Float held by Institutions

169

Number of Institutions Holding Shares

Institutional Ownership

About 72.16% of YMAB shares are held by financial institutions. FRANKLIN RESOURCES INC is the top corporate investor, holding 32.98K shares valued at $536.27K. A 0.08% stake in Y-mAbs Therapeutics, Inc. is owned by the company. JPMORGAN CHASE & CO owns 31.17K shares valued at $506.79K, which translates its holding of 0.07% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	FRANKLIN RESOURCES INC	0.08%	32.98K	536.27K	17.24K	+109.56%
Mar 31, 2024	JPMORGAN CHASE & CO	0.07%	31.17K	506.79K	-10.2K	-24.65%
Mar 31, 2024	FMR LLC	0.06%	27.97K	454.73K	-8.88K	-24.09%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.05%	22.42K	364.47K	22.42K	+100.00%
Mar 31, 2024	METLIFE INVESTMENT MANAGEMENT, LLC	0.05%	20.09K	326.6K	0	0
Mar 31, 2024	EXCHANGE TRADED CONCEPTS, LLC	0.04%	19K	308.88K	-9.1K	-32.39%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	18.13K	294.83K	-155	-0.85%
Mar 31, 2024	VERITION FUND MANAGEMENT LLC	0.04%	16.59K	269.72K	16.59K	+100.00%
Mar 31, 2024	HRT FINANCIAL LP	0.04%	16.22K	263K	16.22K	+100.00%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.03%	14.68K	238.62K	-907	-5.82%
Mar 31, 2024	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	0.03%	14.31K	71.67K	-290	-1.99%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.03%	13.73K	223.23K	-1.1K	-7.42%
Mar 31, 2024	INVESCO LTD.	0.03%	13.29K	216.06K	27	+0.20%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	12.61K	205K	6.37K	+102.16%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.03%	12.02K	195.36K	1.58K	+15.16%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.03%	11.96K	195K	-9.6K	-44.51%
Mar 31, 2024	CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD.	0.02%	8.39K	136K	3.34K	+66.14%
Mar 31, 2024	CITIGROUP INC	0.02%	6.75K	109.67K	734	+12.21%
Mar 31, 2024	QUANTBOT TECHNOLOGIES LP	0.01%	4.53K	73.69K	4.53K	+100.00%
Mar 31, 2024	AMERITAS INVESTMENT PARTNERS, INC.	0.01%	3.7K	60.18M	1.06K	+39.92%
Mar 31, 2024	PARADIGM BIOCAPITAL ADVISORS LP	5.12%	2.23M	36.32M	2.23M	+100.00%
Mar 31, 2024	SOFINNOVA INVESTMENTS, INC.	5.03%	2.19M	35.68M	0	0
Mar 31, 2024	VANGUARD GROUP INC	4.74%	2.07M	33.65M	-174.72K	-7.79%
Mar 31, 2024	POLAR CAPITAL HOLDINGS PLC	4.2%	1.83M	29.77M	-225.87K	-10.98%
Mar 31, 2024	D. E. SHAW & CO., INC.	2.45%	1.07M	17.37M	-255.62K	-19.31%
Mar 31, 2024	STATE STREET CORP	1.72%	751.07K	12.21M	-10.46K	-1.37%
Mar 31, 2024	SOLEUS CAPITAL MANAGEMENT, L.P.	1.31%	570.98K	9.28M	413.8K	+263.26%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.96%	418.7K	6.81M	105.6K	+33.73%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.84%	365.54K	5.94M	-32.42K	-8.15%
Mar 31, 2024	BOOTHBAY FUND MANAGEMENT, LLC	0.79%	346.51K	5.63M	-347.58K	-50.08%
Mar 31, 2024	NORTHERN TRUST CORP	0.74%	321.72K	5.23M	-3.72K	-1.14%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.65%	282.55K	4.59M	261.49K	+1,241.58%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.57%	250.23K	4.07M	2.72K	+1.10%
Mar 31, 2024	PICTET ASSET MANAGEMENT HOLDING SA	1.71%	746.1K	12.13M	746.1K	+100.00%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.7%	742.75K	12.08M	4.2K	+0.57%
Mar 31, 2024	RHUMBLINE ADVISERS	0.13%	55.22K	897.93K	1.21K	+2.24%
Mar 31, 2024	SQUAREPOINT OPS LLC	0.12%	51.94K	844.5K	51.94K	+100.00%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.11%	45.8K	744.69K	17.36K	+61.01%
Mar 31, 2024	POINT72 ASSET MANAGEMENT, L.P.	3.5%	1.53M	24.83M	1.53M	+100.00%
Mar 31, 2024	ACADIAN ASSET MANAGEMENT LLC	1.38%	602.31K	9.79M	-200.07K	-24.93%
Mar 31, 2024	CALIGAN PARTNERS LP	1.35%	587.28K	9.55M	-461.15K	-43.98%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.61%	267.73K	4.35M	-132.21K	-33.06%
Mar 31, 2024	CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.	0.46%	202.07K	3.29M	32.07K	+18.86%
Mar 31, 2024	MORGAN STANLEY	0.43%	188.1K	3.06M	-57.05K	-23.27%
Mar 31, 2024	JACOBS LEVY EQUITY MANAGEMENT, INC	0.35%	154.02K	2.5M	-98.9K	-39.10%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	0.34%	146.3K	2.38M	146.3K	+100.00%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.3%	130.4K	2.12M	-34.6K	-20.97%
Mar 31, 2024	LOS ANGELES CAPITAL MANAGEMENT LLC	0.29%	127.55K	2.07M	-228.98K	-64.22%
Mar 31, 2024	CITADEL ADVISORS LLC	0.27%	118.3K	1.92M	-19.2K	-13.96%
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.26%	115.3K	1.88M	-59.5K	-34.04%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.26%	111.98K	1.82M	-7.99K	-6.66%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.24%	104.3K	1.7M	42.46K	+68.67%
Mar 31, 2024	JANE STREET GROUP, LLC	0.23%	100.52K	1.63M	68.23K	+211.32%
Mar 31, 2024	RICE HALL JAMES & ASSOCIATES, LLC	0.2%	86.15K	1.4M	633	+0.74%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.18%	79.44K	1.29M	-175	-0.22%
Mar 31, 2024	CUBIST SYSTEMATIC STRATEGIES, LLC	0.18%	77.79K	1.26M	40.67K	+109.60%
Mar 31, 2024	CAMPBELL & CO INVESTMENT ADVISER LLC	0.18%	76.44K	1.24M	-5.95K	-7.22%
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.15%	65.6K	1.07M	-30K	-31.38%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.15%	65.16K	1.06M	-48.49K	-42.67%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.14%	61.92K	1.01M	-810	-1.29%
Mar 31, 2024	FEDERATED HERMES, INC.	0.1%	44.57K	724.63K	91	+0.20%
Mar 31, 2024	SAPIENT CAPITAL LLC	0.1%	43.7K	710.56K	0	0
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.09%	37.84K	615.29K	37.84K	+100.00%
Mar 31, 2024	UBS GROUP AG	0.09%	37.55K	610.51K	803	+2.19%
Mar 31, 2024	ZIEGLER CAPITAL MANAGEMENT, LLC	0.08%	35.46K	576.6K	35.46K	+100.00%
Mar 31, 2024	STRS OHIO	0.08%	35.1K	570K	-43.6K	-55.40%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.08%	35K	569.15K	-41.9K	-54.48%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.08%	34.88K	567.07K	-299	-0.85%
Mar 31, 2024	BOSTON PARTNERS	0.08%	34.17K	555.52K	34.17K	+100.00%
Mar 31, 2024	BLACKROCK INC.	6.55%	2.86M	46.46M	-59.82K	-2.05%
Dec 31, 2023	BLACKROCK INC.	6.69%	2.92M	19.89M	443.72K	+17.94%
Dec 31, 2023	VANGUARD GROUP INC	5.14%	2.24M	15.31M	12.33K	+0.55%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	5.03%	2.19M	14.96M	0	0
Dec 31, 2023	POLAR CAPITAL HOLDINGS PLC	4.72%	2.06M	14.03M	-46.43K	-2.21%
Dec 31, 2023	D. E. SHAW & CO., INC.	3.03%	1.32M	9.03M	-25.43K	-1.88%
Dec 31, 2023	CALIGAN PARTNERS LP	2.4%	1.05M	7.15M	1.03M	+4,395.63%
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	1.84%	802.38K	5.47M	-8.88K	-1.09%
Dec 31, 2023	STATE STREET CORP	1.75%	761.53K	5.19M	20.43K	+2.76%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.69%	738.55K	5.04M	27.72K	+3.90%
Dec 31, 2023	BOOTHBAY FUND MANAGEMENT, LLC	1.59%	694.09K	4.73M	678.55K	+4,364.78%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.92%	399.94K	2.73M	41.54K	+11.59%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.91%	397.95K	2.71M	8.6K	+2.21%
Dec 31, 2023	LOS ANGELES CAPITAL MANAGEMENT LLC	0.82%	356.53K	2.43M	52.61K	+17.31%
Dec 31, 2023	NORTHERN TRUST CORP	0.75%	325.44K	2.22M	2.25K	+0.70%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.72%	313.1K	2.14M	71.51K	+29.60%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	0.58%	252.92K	1.72M	-277.52K	-52.32%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.57%	247.51K	1.69M	-1.94K	-0.78%
Dec 31, 2023	MORGAN STANLEY	0.56%	245.15K	1.67M	137.27K	+127.25%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.4%	174.8K	1.19M	-62.29K	-26.27%
Dec 31, 2023	CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.	0.39%	170K	1.16M	-13.95K	-7.58%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.38%	165K	1.13M	-37.2K	-18.40%
Dec 31, 2023	SOLEUS CAPITAL MANAGEMENT, L.P.	0.36%	157.18K	1.07M	0	0
Dec 31, 2023	CITADEL ADVISORS LLC	0.32%	137.5K	937.75K	-276.81K	-66.81%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.28%	119.97K	818.18K	362	+0.30%
Dec 31, 2023	MARSHALL WACE, LLP	0.26%	114.79K	782.84K	15.86K	+16.03%
Dec 31, 2023	PRUDENTIAL FINANCIAL INC	0.26%	113.65K	775.09K	-172.2K	-60.24%
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.22%	95.6K	651.99K	0	0
Dec 31, 2023	RICE HALL JAMES & ASSOCIATES, LLC	0.2%	85.51K	583.2K	-5.74K	-6.29%
Dec 31, 2023	CAMPBELL & CO INVESTMENT ADVISER LLC	0.19%	82.39K	561.91K	82.39K	+100.00%
Dec 31, 2023	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.18%	79.62K	542.99K	-2.51K	-3.06%
Dec 31, 2023	STRS OHIO	0.18%	78.7K	536K	-10.3K	-11.57%
Dec 31, 2023	STATE OF WISCONSIN INVESTMENT BOARD	0.18%	76.9K	524.48K	-24.8K	-24.38%
Dec 31, 2023	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	0.16%	68.93K	470.12K	-2.02K	-2.85%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.14%	62.73K	427.82K	-14.56K	-18.84%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.14%	61.84K	421.74K	-11.19K	-15.33%
Dec 31, 2023	RHUMBLINE ADVISERS	0.12%	54.01K	368.36K	-874	-1.59%
Dec 31, 2023	BARCLAYS PLC	0.12%	50.44K	344K	44.14K	+700.33%
Dec 31, 2023	FEDERATED HERMES, INC.	0.1%	44.47K	303.31K	43.55K	+4,708.00%
Dec 31, 2023		0.1%	41.95K	286.09K	41.95K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.09%	41.36K	282.1K	8.84K	+27.18%
Dec 31, 2023	CUBIST SYSTEMATIC STRATEGIES, LLC	0.09%	37.11K	253.1K	559	+1.53%
Dec 31, 2023	FMR LLC	0.08%	36.84K	251.26K	767	+2.13%
Dec 31, 2023	UBS GROUP AG	0.08%	36.74K	250.59K	17.21K	+88.11%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.08%	36.51K	249.02K	2.08K	+6.03%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.08%	35.17K	239.89K	21.68K	+160.68%
Dec 31, 2023	JANE STREET GROUP, LLC	0.07%	32.29K	220.21K	32.29K	+100.00%
Dec 31, 2023	TREXQUANT INVESTMENT LP	0.07%	28.62K	195.16K	-47.97K	-62.64%
Dec 31, 2023	AMERICAN CENTURY COMPANIES INC	0.07%	28.44K	193.99K	6.68K	+30.71%
Dec 31, 2023	EXCHANGE TRADED CONCEPTS, LLC	0.06%	28.1K	191.61K	7.12K	+33.97%

YMAB Insiders

Among the YMAB insiders holding of 12.32% of the stake in company, WG BIOTECH APS, director, holds the largest shares of 4.55M. WEDELL-WEDELLSBORG JOHAN, director, is the second largest YMAB insider with ownership of 4.55M shares. KRUSE BO, EVP, CFO, SECRY & TREAS., stands third with possession of 210.88K shares of that stake.

Insiders	Designation	Shares Held
WG BIOTECH APS	director	4.55M
WEDELL-WEDELLSBORG JOHAN	director	4.55M
KRUSE BO	EVP, CFO, SECRY & TREAS.	210.88K
GAD THOMAS	CHIEF BUSINESS OFFICER	202.72K
ROSSI MICHAEL J	PRESIDENT & CEO	137.08K
LUND-HANSEN TORBEN	SVP & CHIEF TECHNICAL OFFICER	35.6K
SMITH SUSAN LAURA	SVP & CHIEF COMMERCIAL OFFICER	33.92K
RAJAH VIGNESH	SVP & CHIEF MEDICAL OFFICER	33.89K
WILMS JORIS	SVP & CHIEF OPERATING OFFICER	30.6K
BER GERARD	director	1.61K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Mar 07, 2025	GAD THOMAS	SALE	5.23	10.81K	56.54K	202.72K
Mar 07, 2025	ROSSI MICHAEL J	SALE	5.20	3.92K	20.37K	137.08K
Sep 16, 2024	GAD THOMAS	SALE	12.97	30K	389.1K	67.68K
Sep 13, 2024	GAD THOMAS	SALE	13.47	65K	875.55K	97.68K
Aug 28, 2024	LUND-HANSEN TORBEN	SALE	15.37	50K	768.5K	35.6K
Aug 26, 2024	WILMS JORIS	SALE	14.69	5K	73.45K	30.6K
Jun 11, 2024	GAD THOMAS	SALE	12.00	35K	420K	162.68K
Jun 10, 2024	BER GERARD	SALE	12.00	722	8.66K	1.61K
Jun 10, 2024	GAD THOMAS	SALE	12.03	35K	421.05K	197.68K
May 31, 2024	KRUSE BO	SALE	12.07	31.37K	378.65K	210.88K
May 30, 2024	KRUSE BO	SALE	12.03	28.63K	344.41K	210.88K
May 23, 2024	GAD THOMAS	SALE	13.00	7.35K	95.56K	232.68K
May 21, 2024	GAD THOMAS	SALE	12.00	25K	300K	240.03K
Mar 05, 2024	RAJAH VIGNESH	SALE	16.53	1.71K	28.28K	33.89K
Mar 05, 2024	SMITH SUSAN LAURA	SALE	16.55	1.68K	27.84K	33.92K
Mar 05, 2024	GAD THOMAS	SALE	16.44	3.9K	64.12K	158.7K
Dec 15, 2023	GAD THOMAS	SALE	6.61	50K	330.5K	265.03K
Dec 14, 2023	GAD THOMAS	SALE	6.83	50K	341.5K	315.03K
Dec 13, 2023	GAD THOMAS	SALE	6.58	50K	329K	365.03K
Dec 11, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	7.01	102.86K	720.84K	4.55M
Dec 11, 2023	WG BIOTECH APS	PURCHASE	7.01	102.86K	720.84K	4.55M
Dec 08, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	6.99	18.5K	129.38K	4.45M
Dec 08, 2023	WG BIOTECH APS	PURCHASE	6.99	18.5K	129.38K	4.45M
Dec 07, 2023	WG BIOTECH APS	PURCHASE	6.50	6.18K	40.19K	4.43M
Dec 07, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	6.50	6.18K	40.19K	4.43M
Nov 29, 2023	WG BIOTECH APS	PURCHASE	5.97	51.84K	309.48K	4.43M
Nov 29, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.97	51.84K	309.48K	4.43M
Nov 28, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.81	30.67K	178.28K	4.37M
Nov 28, 2023	WG BIOTECH APS	PURCHASE	5.81	30.67K	178.28K	4.37M
Nov 27, 2023	WG BIOTECH APS	PURCHASE	5.49	62.52K	343.02K	4.34M
Nov 27, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.49	62.52K	343.02K	4.34M
Nov 21, 2023	GAD THOMAS	SALE	5.31	75K	397.99K	415.03K
Nov 20, 2023	GAD THOMAS	SALE	5.30	75K	397.4K	490.03K
May 15, 2023	WG BIOTECH APS	PURCHASE	9.65	101.74K	981.4K	4.28M
May 15, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	9.65	101.74K	981.4K	4.28M
Nov 15, 2022	RAJAH VIGNESH	PURCHASE	4.92	1.2K	5.88K	4.27K
Feb 22, 2022	KRUSE BO	SALE	7.85	4K	31.4K	181.08K
Feb 09, 2022	GAD THOMAS	SALE	6.96	64.28K	447.12K	565.03K
Feb 08, 2022	GAD THOMAS	SALE	7.01	125.86K	882.89K	629.31K
Feb 07, 2022	GAD THOMAS	SALE	7.59	91.03K	691.18K	755.17K
Feb 04, 2022	KRUSE BO	SALE	7.97	4K	31.88K	185.08K
Feb 04, 2022	GAD THOMAS	SALE	7.70	101.1K	778.53K	846.2K
Feb 03, 2022	GAD THOMAS	SALE	7.90	35.06K	277.03K	947.31K
Feb 01, 2022	GAD THOMAS	SALE	10.15	8K	81.16K	50K
Jan 24, 2022	GAD THOMAS	SALE	10.96	55.78K	611.28K	982.37K
Jan 24, 2022	KRUSE BO	SALE	9.84	4K	39.36K	189.08K
Jan 21, 2022	GAD THOMAS	SALE	11.35	20.18K	229.1K	1.07M
Jan 20, 2022	GAD THOMAS	SALE	11.33	112.77K	1.28M	1.14M
Jan 19, 2022	GAD THOMAS	SALE	10.89	69.41K	756.09K	1.25M
Jan 18, 2022	GAD THOMAS	SALE	11.54	8K	92.31K	50K
Jan 04, 2022	KRUSE BO	SALE	17.12	4K	68.48K	193.08K
Dec 22, 2021	KRUSE BO	SALE	16.36	4K	65.44K	197.08K
Dec 07, 2021	GAD THOMAS	SALE	17.58	10K	175.83K	1.38M
Dec 06, 2021	KRUSE BO	SALE	16.35	4K	65.4K	201.08K
Dec 06, 2021	GAD THOMAS	SALE	16.50	4K	65.98K	1.39M
Nov 30, 2021	GAD THOMAS	SALE	16.98	4K	67.91K	1.44M
Nov 29, 2021	GAD THOMAS	SALE	17.16	22.44K	385.03K	1.46M
Nov 23, 2021	GAD THOMAS	SALE	17.06	50K	852.85K	50K
Nov 22, 2021	KRUSE BO	SALE	18.09	4K	72.36K	205.08K
Nov 16, 2021	GAD THOMAS	SALE	19.33	4K	77.3K	1.48M
Nov 04, 2021	KRUSE BO	SALE	27.54	4K	110.16K	209.08K
Oct 29, 2021	GAD THOMAS	SALE	24.82	4K	99.26K	1.49M
Oct 22, 2021	KRUSE BO	SALE	25.94	4K	103.76K	213.08K
Oct 15, 2021	GAD THOMAS	SALE	27.20	4K	108.8K	1.49M
Oct 04, 2021	KRUSE BO	SALE	28.78	4K	115.12K	217.08K
Sep 30, 2021	GAD THOMAS	SALE	28.26	4K	113.05K	1.5M
Sep 22, 2021	KRUSE BO	SALE	30.82	4K	123.28K	221.08K
Sep 15, 2021	GAD THOMAS	SALE	33.64	4K	134.58K	1.5M
Sep 07, 2021	KRUSE BO	SALE	32.03	4K	128.12K	225.08K
Sep 02, 2021	GAD THOMAS	SALE	33.18	50K	1.66M	1.5M
Aug 23, 2021	KRUSE BO	SALE	28.60	4K	114.4K	229.08K
Aug 17, 2021	GAD THOMAS	SALE	28.96	1.78K	51.53K	1.55M
Aug 16, 2021	GAD THOMAS	SALE	29.33	22.11K	648.53K	1.56M
Aug 13, 2021	GAD THOMAS	SALE	31.01	1.11K	34.43K	1.58M
Aug 12, 2021	RAJAH VIGNESH	PURCHASE	29.95	1.37K	41.15K	3.07K
Aug 04, 2021	KRUSE BO	SALE	33.72	4K	134.88K	233.08K
Aug 03, 2021	GAD THOMAS	SALE	33.73	4K	134.93K	1.58M
Jul 22, 2021	KRUSE BO	SALE	34.50	4K	138K	237.08K
Jul 20, 2021	GAD THOMAS	SALE	32.47	4K	129.88K	1.59M
Jul 07, 2021	GAD THOMAS	SALE	31.87	4K	127.46K	1.59M
Jul 06, 2021	KRUSE BO	SALE	34.15	4K	136.6K	241.08K
Jun 30, 2021	GAD THOMAS	SALE	33.86	4K	135.45K	1.6M
Jun 22, 2021	KRUSE BO	SALE	36.17	4K	144.68K	245.08K
Jun 14, 2021	GAD THOMAS	SALE	35.80	4K	143.22K	1.6M
Jun 10, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.15	11.23K	405.97K	4.18M
Jun 10, 2021	WG BIOTECH APS	SALE	36.15	11.23K	405.97K	4.18M
Jun 09, 2021	WG BIOTECH APS	SALE	36.19	116.7K	4.22M	4.19M
Jun 09, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.19	116.7K	4.22M	4.19M
Jun 08, 2021	WG BIOTECH APS	SALE	35.28	33.3K	1.17M	4.31M
Jun 08, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	35.28	33.3K	1.17M	4.31M
Jun 07, 2021	WG BIOTECH APS	SALE	34.15	72.4K	2.47M	4.34M
Jun 07, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	34.15	72.4K	2.47M	4.34M
Jun 04, 2021	WG BIOTECH APS	SALE	34.03	3.84K	130.7K	4.41M
Jun 04, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	34.03	3.84K	130.7K	4.41M
Jun 04, 2021	KRUSE BO	SALE	33.48	4K	133.92K	249.08K
Jun 03, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	33.19	30.67K	1.02M	4.42M
Jun 03, 2021	WG BIOTECH APS	SALE	33.19	30.67K	1.02M	4.42M
Jun 01, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	35.57	6.86K	244.17K	4.45M
Jun 01, 2021	WG BIOTECH APS	SALE	35.57	6.86K	244.17K	4.45M
May 28, 2021	GAD THOMAS	SALE	36.95	4K	147.81K	1.6M
May 28, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.34	25K	908.48K	4.45M
May 28, 2021	WG BIOTECH APS	SALE	36.34	25K	908.48K	4.45M
May 24, 2021	KRUSE BO	SALE	35.61	4K	142.44K	253.08K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES14.73K2

NET SHARES-14.73K2

NO. OF SHARES HELD339.8K2

% NET SHARES-104.33%0%

Frequently Asked Questions

YMAB Stock Outstanding Shares

ShortableYes

OptionableYes

Short Percent Of Outstanding Shares9.81

Short Percent Of Float11.75

Shares Outstanding45.22M

Shares Float27.85M

Shares Short4.44M

Short Ratio10.87

11.75%

Short % of Float

9.81%

Short % of Shares Outstanding

Market Insider YMAB

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

12.32% Percentage of Shares held by All Insiders

72.16% Percentage of Shares held by All Institutions

82.3% Percentage of Float held by Institutions

169

Number of Institutions Holding Shares

Institutional Ownership

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Mar 31, 2024	FRANKLIN RESOURCES INC	0.08%	32.98K	536.27K	17.24K	+109.56%
Mar 31, 2024	JPMORGAN CHASE & CO	0.07%	31.17K	506.79K	-10.2K	-24.65%
Mar 31, 2024	FMR LLC	0.06%	27.97K	454.73K	-8.88K	-24.09%
Mar 31, 2024	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0.05%	22.42K	364.47K	22.42K	+100.00%
Mar 31, 2024	METLIFE INVESTMENT MANAGEMENT, LLC	0.05%	20.09K	326.6K	0	0
Mar 31, 2024	EXCHANGE TRADED CONCEPTS, LLC	0.04%	19K	308.88K	-9.1K	-32.39%
Mar 31, 2024	AMERICAN INTERNATIONAL GROUP, INC.	0.04%	18.13K	294.83K	-155	-0.85%
Mar 31, 2024	VERITION FUND MANAGEMENT LLC	0.04%	16.59K	269.72K	16.59K	+100.00%
Mar 31, 2024	HRT FINANCIAL LP	0.04%	16.22K	263K	16.22K	+100.00%
Mar 31, 2024	MANUFACTURERS LIFE INSURANCE COMPANY, THE	0.03%	14.68K	238.62K	-907	-5.82%
Mar 31, 2024	STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM	0.03%	14.31K	71.67K	-290	-1.99%
Mar 31, 2024	PRINCIPAL FINANCIAL GROUP INC	0.03%	13.73K	223.23K	-1.1K	-7.42%
Mar 31, 2024	INVESCO LTD.	0.03%	13.29K	216.06K	27	+0.20%
Mar 31, 2024	NEW YORK STATE COMMON RETIREMENT FUND	0.03%	12.61K	205K	6.37K	+102.16%
Mar 31, 2024	WELLS FARGO & COMPANY/MN	0.03%	12.02K	195.36K	1.58K	+15.16%
Mar 31, 2024	SG AMERICAS SECURITIES, LLC	0.03%	11.96K	195K	-9.6K	-44.51%
Mar 31, 2024	CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD.	0.02%	8.39K	136K	3.34K	+66.14%
Mar 31, 2024	CITIGROUP INC	0.02%	6.75K	109.67K	734	+12.21%
Mar 31, 2024	QUANTBOT TECHNOLOGIES LP	0.01%	4.53K	73.69K	4.53K	+100.00%
Mar 31, 2024	AMERITAS INVESTMENT PARTNERS, INC.	0.01%	3.7K	60.18M	1.06K	+39.92%
Mar 31, 2024	PARADIGM BIOCAPITAL ADVISORS LP	5.12%	2.23M	36.32M	2.23M	+100.00%
Mar 31, 2024	SOFINNOVA INVESTMENTS, INC.	5.03%	2.19M	35.68M	0	0
Mar 31, 2024	VANGUARD GROUP INC	4.74%	2.07M	33.65M	-174.72K	-7.79%
Mar 31, 2024	POLAR CAPITAL HOLDINGS PLC	4.2%	1.83M	29.77M	-225.87K	-10.98%
Mar 31, 2024	D. E. SHAW & CO., INC.	2.45%	1.07M	17.37M	-255.62K	-19.31%
Mar 31, 2024	STATE STREET CORP	1.72%	751.07K	12.21M	-10.46K	-1.37%
Mar 31, 2024	SOLEUS CAPITAL MANAGEMENT, L.P.	1.31%	570.98K	9.28M	413.8K	+263.26%
Mar 31, 2024	DIMENSIONAL FUND ADVISORS LP	0.96%	418.7K	6.81M	105.6K	+33.73%
Mar 31, 2024	GOLDMAN SACHS GROUP INC	0.84%	365.54K	5.94M	-32.42K	-8.15%
Mar 31, 2024	BOOTHBAY FUND MANAGEMENT, LLC	0.79%	346.51K	5.63M	-347.58K	-50.08%
Mar 31, 2024	NORTHERN TRUST CORP	0.74%	321.72K	5.23M	-3.72K	-1.14%
Mar 31, 2024	MILLENNIUM MANAGEMENT LLC	0.65%	282.55K	4.59M	261.49K	+1,241.58%
Mar 31, 2024	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.57%	250.23K	4.07M	2.72K	+1.10%
Mar 31, 2024	PICTET ASSET MANAGEMENT HOLDING SA	1.71%	746.1K	12.13M	746.1K	+100.00%
Mar 31, 2024	GEODE CAPITAL MANAGEMENT, LLC	1.7%	742.75K	12.08M	4.2K	+0.57%
Mar 31, 2024	RHUMBLINE ADVISERS	0.13%	55.22K	897.93K	1.21K	+2.24%
Mar 31, 2024	SQUAREPOINT OPS LLC	0.12%	51.94K	844.5K	51.94K	+100.00%
Mar 31, 2024	AMERICAN CENTURY COMPANIES INC	0.11%	45.8K	744.69K	17.36K	+61.01%
Mar 31, 2024	POINT72 ASSET MANAGEMENT, L.P.	3.5%	1.53M	24.83M	1.53M	+100.00%
Mar 31, 2024	ACADIAN ASSET MANAGEMENT LLC	1.38%	602.31K	9.79M	-200.07K	-24.93%
Mar 31, 2024	CALIGAN PARTNERS LP	1.35%	587.28K	9.55M	-461.15K	-43.98%
Mar 31, 2024	NUVEEN ASSET MANAGEMENT, LLC	0.61%	267.73K	4.35M	-132.21K	-33.06%
Mar 31, 2024	CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.	0.46%	202.07K	3.29M	32.07K	+18.86%
Mar 31, 2024	MORGAN STANLEY	0.43%	188.1K	3.06M	-57.05K	-23.27%
Mar 31, 2024	JACOBS LEVY EQUITY MANAGEMENT, INC	0.35%	154.02K	2.5M	-98.9K	-39.10%
Mar 31, 2024	WELLINGTON MANAGEMENT GROUP LLP	0.34%	146.3K	2.38M	146.3K	+100.00%
Mar 31, 2024	TWO SIGMA ADVISERS, LP	0.3%	130.4K	2.12M	-34.6K	-20.97%
Mar 31, 2024	LOS ANGELES CAPITAL MANAGEMENT LLC	0.29%	127.55K	2.07M	-228.98K	-64.22%
Mar 31, 2024	CITADEL ADVISORS LLC	0.27%	118.3K	1.92M	-19.2K	-13.96%
Mar 31, 2024	RENAISSANCE TECHNOLOGIES LLC	0.26%	115.3K	1.88M	-59.5K	-34.04%
Mar 31, 2024	BANK OF NEW YORK MELLON CORP	0.26%	111.98K	1.82M	-7.99K	-6.66%
Mar 31, 2024	TWO SIGMA INVESTMENTS, LP	0.24%	104.3K	1.7M	42.46K	+68.67%
Mar 31, 2024	JANE STREET GROUP, LLC	0.23%	100.52K	1.63M	68.23K	+211.32%
Mar 31, 2024	RICE HALL JAMES & ASSOCIATES, LLC	0.2%	86.15K	1.4M	633	+0.74%
Mar 31, 2024	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.18%	79.44K	1.29M	-175	-0.22%
Mar 31, 2024	CUBIST SYSTEMATIC STRATEGIES, LLC	0.18%	77.79K	1.26M	40.67K	+109.60%
Mar 31, 2024	CAMPBELL & CO INVESTMENT ADVISER LLC	0.18%	76.44K	1.24M	-5.95K	-7.22%
Mar 31, 2024	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.15%	65.6K	1.07M	-30K	-31.38%
Mar 31, 2024	PRUDENTIAL FINANCIAL INC	0.15%	65.16K	1.06M	-48.49K	-42.67%
Mar 31, 2024	ALLIANCEBERNSTEIN L.P.	0.14%	61.92K	1.01M	-810	-1.29%
Mar 31, 2024	FEDERATED HERMES, INC.	0.1%	44.57K	724.63K	91	+0.20%
Mar 31, 2024	SAPIENT CAPITAL LLC	0.1%	43.7K	710.56K	0	0
Mar 31, 2024	AQR CAPITAL MANAGEMENT LLC	0.09%	37.84K	615.29K	37.84K	+100.00%
Mar 31, 2024	UBS GROUP AG	0.09%	37.55K	610.51K	803	+2.19%
Mar 31, 2024	ZIEGLER CAPITAL MANAGEMENT, LLC	0.08%	35.46K	576.6K	35.46K	+100.00%
Mar 31, 2024	STRS OHIO	0.08%	35.1K	570K	-43.6K	-55.40%
Mar 31, 2024	STATE OF WISCONSIN INVESTMENT BOARD	0.08%	35K	569.15K	-41.9K	-54.48%
Mar 31, 2024	BNP PARIBAS ARBITRAGE, SNC	0.08%	34.88K	567.07K	-299	-0.85%
Mar 31, 2024	BOSTON PARTNERS	0.08%	34.17K	555.52K	34.17K	+100.00%
Mar 31, 2024	BLACKROCK INC.	6.55%	2.86M	46.46M	-59.82K	-2.05%
Dec 31, 2023	BLACKROCK INC.	6.69%	2.92M	19.89M	443.72K	+17.94%
Dec 31, 2023	VANGUARD GROUP INC	5.14%	2.24M	15.31M	12.33K	+0.55%
Dec 31, 2023	SOFINNOVA INVESTMENTS, INC.	5.03%	2.19M	14.96M	0	0
Dec 31, 2023	POLAR CAPITAL HOLDINGS PLC	4.72%	2.06M	14.03M	-46.43K	-2.21%
Dec 31, 2023	D. E. SHAW & CO., INC.	3.03%	1.32M	9.03M	-25.43K	-1.88%
Dec 31, 2023	CALIGAN PARTNERS LP	2.4%	1.05M	7.15M	1.03M	+4,395.63%
Dec 31, 2023	ACADIAN ASSET MANAGEMENT LLC	1.84%	802.38K	5.47M	-8.88K	-1.09%
Dec 31, 2023	STATE STREET CORP	1.75%	761.53K	5.19M	20.43K	+2.76%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	1.69%	738.55K	5.04M	27.72K	+3.90%
Dec 31, 2023	BOOTHBAY FUND MANAGEMENT, LLC	1.59%	694.09K	4.73M	678.55K	+4,364.78%
Dec 31, 2023	NUVEEN ASSET MANAGEMENT, LLC	0.92%	399.94K	2.73M	41.54K	+11.59%
Dec 31, 2023	GOLDMAN SACHS GROUP INC	0.91%	397.95K	2.71M	8.6K	+2.21%
Dec 31, 2023	LOS ANGELES CAPITAL MANAGEMENT LLC	0.82%	356.53K	2.43M	52.61K	+17.31%
Dec 31, 2023	NORTHERN TRUST CORP	0.75%	325.44K	2.22M	2.25K	+0.70%
Dec 31, 2023	DIMENSIONAL FUND ADVISORS LP	0.72%	313.1K	2.14M	71.51K	+29.60%
Dec 31, 2023	JACOBS LEVY EQUITY MANAGEMENT, INC	0.58%	252.92K	1.72M	-277.52K	-52.32%
Dec 31, 2023	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0.57%	247.51K	1.69M	-1.94K	-0.78%
Dec 31, 2023	MORGAN STANLEY	0.56%	245.15K	1.67M	137.27K	+127.25%
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.4%	174.8K	1.19M	-62.29K	-26.27%
Dec 31, 2023	CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD.	0.39%	170K	1.16M	-13.95K	-7.58%
Dec 31, 2023	TWO SIGMA ADVISERS, LP	0.38%	165K	1.13M	-37.2K	-18.40%
Dec 31, 2023	SOLEUS CAPITAL MANAGEMENT, L.P.	0.36%	157.18K	1.07M	0	0
Dec 31, 2023	CITADEL ADVISORS LLC	0.32%	137.5K	937.75K	-276.81K	-66.81%
Dec 31, 2023	BANK OF NEW YORK MELLON CORP	0.28%	119.97K	818.18K	362	+0.30%
Dec 31, 2023	MARSHALL WACE, LLP	0.26%	114.79K	782.84K	15.86K	+16.03%
Dec 31, 2023	PRUDENTIAL FINANCIAL INC	0.26%	113.65K	775.09K	-172.2K	-60.24%
Dec 31, 2023	BRIDGEWAY CAPITAL MANAGEMENT, LLC	0.22%	95.6K	651.99K	0	0
Dec 31, 2023	RICE HALL JAMES & ASSOCIATES, LLC	0.2%	85.51K	583.2K	-5.74K	-6.29%
Dec 31, 2023	CAMPBELL & CO INVESTMENT ADVISER LLC	0.19%	82.39K	561.91K	82.39K	+100.00%
Dec 31, 2023	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0.18%	79.62K	542.99K	-2.51K	-3.06%
Dec 31, 2023	STRS OHIO	0.18%	78.7K	536K	-10.3K	-11.57%
Dec 31, 2023	STATE OF WISCONSIN INVESTMENT BOARD	0.18%	76.9K	524.48K	-24.8K	-24.38%
Dec 31, 2023	NEW YORK LIFE INVESTMENT MANAGEMENT LLC	0.16%	68.93K	470.12K	-2.02K	-2.85%
Dec 31, 2023	ALLIANCEBERNSTEIN L.P.	0.14%	62.73K	427.82K	-14.56K	-18.84%
Dec 31, 2023	TWO SIGMA INVESTMENTS, LP	0.14%	61.84K	421.74K	-11.19K	-15.33%
Dec 31, 2023	RHUMBLINE ADVISERS	0.12%	54.01K	368.36K	-874	-1.59%
Dec 31, 2023	BARCLAYS PLC	0.12%	50.44K	344K	44.14K	+700.33%
Dec 31, 2023	FEDERATED HERMES, INC.	0.1%	44.47K	303.31K	43.55K	+4,708.00%
Dec 31, 2023		0.1%	41.95K	286.09K	41.95K	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0.09%	41.36K	282.1K	8.84K	+27.18%
Dec 31, 2023	CUBIST SYSTEMATIC STRATEGIES, LLC	0.09%	37.11K	253.1K	559	+1.53%
Dec 31, 2023	FMR LLC	0.08%	36.84K	251.26K	767	+2.13%
Dec 31, 2023	UBS GROUP AG	0.08%	36.74K	250.59K	17.21K	+88.11%
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0.08%	36.51K	249.02K	2.08K	+6.03%
Dec 31, 2023	BNP PARIBAS ARBITRAGE, SNC	0.08%	35.17K	239.89K	21.68K	+160.68%
Dec 31, 2023	JANE STREET GROUP, LLC	0.07%	32.29K	220.21K	32.29K	+100.00%
Dec 31, 2023	TREXQUANT INVESTMENT LP	0.07%	28.62K	195.16K	-47.97K	-62.64%
Dec 31, 2023	AMERICAN CENTURY COMPANIES INC	0.07%	28.44K	193.99K	6.68K	+30.71%
Dec 31, 2023	EXCHANGE TRADED CONCEPTS, LLC	0.06%	28.1K	191.61K	7.12K	+33.97%

YMAB Insiders

Insiders	Designation	Shares Held
WG BIOTECH APS	director	4.55M
WEDELL-WEDELLSBORG JOHAN	director	4.55M
KRUSE BO	EVP, CFO, SECRY & TREAS.	210.88K
GAD THOMAS	CHIEF BUSINESS OFFICER	202.72K
ROSSI MICHAEL J	PRESIDENT & CEO	137.08K
LUND-HANSEN TORBEN	SVP & CHIEF TECHNICAL OFFICER	35.6K
SMITH SUSAN LAURA	SVP & CHIEF COMMERCIAL OFFICER	33.92K
RAJAH VIGNESH	SVP & CHIEF MEDICAL OFFICER	33.89K
WILMS JORIS	SVP & CHIEF OPERATING OFFICER	30.6K
BER GERARD	director	1.61K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Mar 07, 2025	GAD THOMAS	SALE	5.23	10.81K	56.54K	202.72K
Mar 07, 2025	ROSSI MICHAEL J	SALE	5.20	3.92K	20.37K	137.08K
Sep 16, 2024	GAD THOMAS	SALE	12.97	30K	389.1K	67.68K
Sep 13, 2024	GAD THOMAS	SALE	13.47	65K	875.55K	97.68K
Aug 28, 2024	LUND-HANSEN TORBEN	SALE	15.37	50K	768.5K	35.6K
Aug 26, 2024	WILMS JORIS	SALE	14.69	5K	73.45K	30.6K
Jun 11, 2024	GAD THOMAS	SALE	12.00	35K	420K	162.68K
Jun 10, 2024	BER GERARD	SALE	12.00	722	8.66K	1.61K
Jun 10, 2024	GAD THOMAS	SALE	12.03	35K	421.05K	197.68K
May 31, 2024	KRUSE BO	SALE	12.07	31.37K	378.65K	210.88K
May 30, 2024	KRUSE BO	SALE	12.03	28.63K	344.41K	210.88K
May 23, 2024	GAD THOMAS	SALE	13.00	7.35K	95.56K	232.68K
May 21, 2024	GAD THOMAS	SALE	12.00	25K	300K	240.03K
Mar 05, 2024	RAJAH VIGNESH	SALE	16.53	1.71K	28.28K	33.89K
Mar 05, 2024	SMITH SUSAN LAURA	SALE	16.55	1.68K	27.84K	33.92K
Mar 05, 2024	GAD THOMAS	SALE	16.44	3.9K	64.12K	158.7K
Dec 15, 2023	GAD THOMAS	SALE	6.61	50K	330.5K	265.03K
Dec 14, 2023	GAD THOMAS	SALE	6.83	50K	341.5K	315.03K
Dec 13, 2023	GAD THOMAS	SALE	6.58	50K	329K	365.03K
Dec 11, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	7.01	102.86K	720.84K	4.55M
Dec 11, 2023	WG BIOTECH APS	PURCHASE	7.01	102.86K	720.84K	4.55M
Dec 08, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	6.99	18.5K	129.38K	4.45M
Dec 08, 2023	WG BIOTECH APS	PURCHASE	6.99	18.5K	129.38K	4.45M
Dec 07, 2023	WG BIOTECH APS	PURCHASE	6.50	6.18K	40.19K	4.43M
Dec 07, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	6.50	6.18K	40.19K	4.43M
Nov 29, 2023	WG BIOTECH APS	PURCHASE	5.97	51.84K	309.48K	4.43M
Nov 29, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.97	51.84K	309.48K	4.43M
Nov 28, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.81	30.67K	178.28K	4.37M
Nov 28, 2023	WG BIOTECH APS	PURCHASE	5.81	30.67K	178.28K	4.37M
Nov 27, 2023	WG BIOTECH APS	PURCHASE	5.49	62.52K	343.02K	4.34M
Nov 27, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	5.49	62.52K	343.02K	4.34M
Nov 21, 2023	GAD THOMAS	SALE	5.31	75K	397.99K	415.03K
Nov 20, 2023	GAD THOMAS	SALE	5.30	75K	397.4K	490.03K
May 15, 2023	WG BIOTECH APS	PURCHASE	9.65	101.74K	981.4K	4.28M
May 15, 2023	WEDELL-WEDELLSBORG JOHAN	PURCHASE	9.65	101.74K	981.4K	4.28M
Nov 15, 2022	RAJAH VIGNESH	PURCHASE	4.92	1.2K	5.88K	4.27K
Feb 22, 2022	KRUSE BO	SALE	7.85	4K	31.4K	181.08K
Feb 09, 2022	GAD THOMAS	SALE	6.96	64.28K	447.12K	565.03K
Feb 08, 2022	GAD THOMAS	SALE	7.01	125.86K	882.89K	629.31K
Feb 07, 2022	GAD THOMAS	SALE	7.59	91.03K	691.18K	755.17K
Feb 04, 2022	KRUSE BO	SALE	7.97	4K	31.88K	185.08K
Feb 04, 2022	GAD THOMAS	SALE	7.70	101.1K	778.53K	846.2K
Feb 03, 2022	GAD THOMAS	SALE	7.90	35.06K	277.03K	947.31K
Feb 01, 2022	GAD THOMAS	SALE	10.15	8K	81.16K	50K
Jan 24, 2022	GAD THOMAS	SALE	10.96	55.78K	611.28K	982.37K
Jan 24, 2022	KRUSE BO	SALE	9.84	4K	39.36K	189.08K
Jan 21, 2022	GAD THOMAS	SALE	11.35	20.18K	229.1K	1.07M
Jan 20, 2022	GAD THOMAS	SALE	11.33	112.77K	1.28M	1.14M
Jan 19, 2022	GAD THOMAS	SALE	10.89	69.41K	756.09K	1.25M
Jan 18, 2022	GAD THOMAS	SALE	11.54	8K	92.31K	50K
Jan 04, 2022	KRUSE BO	SALE	17.12	4K	68.48K	193.08K
Dec 22, 2021	KRUSE BO	SALE	16.36	4K	65.44K	197.08K
Dec 07, 2021	GAD THOMAS	SALE	17.58	10K	175.83K	1.38M
Dec 06, 2021	KRUSE BO	SALE	16.35	4K	65.4K	201.08K
Dec 06, 2021	GAD THOMAS	SALE	16.50	4K	65.98K	1.39M
Nov 30, 2021	GAD THOMAS	SALE	16.98	4K	67.91K	1.44M
Nov 29, 2021	GAD THOMAS	SALE	17.16	22.44K	385.03K	1.46M
Nov 23, 2021	GAD THOMAS	SALE	17.06	50K	852.85K	50K
Nov 22, 2021	KRUSE BO	SALE	18.09	4K	72.36K	205.08K
Nov 16, 2021	GAD THOMAS	SALE	19.33	4K	77.3K	1.48M
Nov 04, 2021	KRUSE BO	SALE	27.54	4K	110.16K	209.08K
Oct 29, 2021	GAD THOMAS	SALE	24.82	4K	99.26K	1.49M
Oct 22, 2021	KRUSE BO	SALE	25.94	4K	103.76K	213.08K
Oct 15, 2021	GAD THOMAS	SALE	27.20	4K	108.8K	1.49M
Oct 04, 2021	KRUSE BO	SALE	28.78	4K	115.12K	217.08K
Sep 30, 2021	GAD THOMAS	SALE	28.26	4K	113.05K	1.5M
Sep 22, 2021	KRUSE BO	SALE	30.82	4K	123.28K	221.08K
Sep 15, 2021	GAD THOMAS	SALE	33.64	4K	134.58K	1.5M
Sep 07, 2021	KRUSE BO	SALE	32.03	4K	128.12K	225.08K
Sep 02, 2021	GAD THOMAS	SALE	33.18	50K	1.66M	1.5M
Aug 23, 2021	KRUSE BO	SALE	28.60	4K	114.4K	229.08K
Aug 17, 2021	GAD THOMAS	SALE	28.96	1.78K	51.53K	1.55M
Aug 16, 2021	GAD THOMAS	SALE	29.33	22.11K	648.53K	1.56M
Aug 13, 2021	GAD THOMAS	SALE	31.01	1.11K	34.43K	1.58M
Aug 12, 2021	RAJAH VIGNESH	PURCHASE	29.95	1.37K	41.15K	3.07K
Aug 04, 2021	KRUSE BO	SALE	33.72	4K	134.88K	233.08K
Aug 03, 2021	GAD THOMAS	SALE	33.73	4K	134.93K	1.58M
Jul 22, 2021	KRUSE BO	SALE	34.50	4K	138K	237.08K
Jul 20, 2021	GAD THOMAS	SALE	32.47	4K	129.88K	1.59M
Jul 07, 2021	GAD THOMAS	SALE	31.87	4K	127.46K	1.59M
Jul 06, 2021	KRUSE BO	SALE	34.15	4K	136.6K	241.08K
Jun 30, 2021	GAD THOMAS	SALE	33.86	4K	135.45K	1.6M
Jun 22, 2021	KRUSE BO	SALE	36.17	4K	144.68K	245.08K
Jun 14, 2021	GAD THOMAS	SALE	35.80	4K	143.22K	1.6M
Jun 10, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.15	11.23K	405.97K	4.18M
Jun 10, 2021	WG BIOTECH APS	SALE	36.15	11.23K	405.97K	4.18M
Jun 09, 2021	WG BIOTECH APS	SALE	36.19	116.7K	4.22M	4.19M
Jun 09, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.19	116.7K	4.22M	4.19M
Jun 08, 2021	WG BIOTECH APS	SALE	35.28	33.3K	1.17M	4.31M
Jun 08, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	35.28	33.3K	1.17M	4.31M
Jun 07, 2021	WG BIOTECH APS	SALE	34.15	72.4K	2.47M	4.34M
Jun 07, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	34.15	72.4K	2.47M	4.34M
Jun 04, 2021	WG BIOTECH APS	SALE	34.03	3.84K	130.7K	4.41M
Jun 04, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	34.03	3.84K	130.7K	4.41M
Jun 04, 2021	KRUSE BO	SALE	33.48	4K	133.92K	249.08K
Jun 03, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	33.19	30.67K	1.02M	4.42M
Jun 03, 2021	WG BIOTECH APS	SALE	33.19	30.67K	1.02M	4.42M
Jun 01, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	35.57	6.86K	244.17K	4.45M
Jun 01, 2021	WG BIOTECH APS	SALE	35.57	6.86K	244.17K	4.45M
May 28, 2021	GAD THOMAS	SALE	36.95	4K	147.81K	1.6M
May 28, 2021	WEDELL-WEDELLSBORG JOHAN	SALE	36.34	25K	908.48K	4.45M
May 28, 2021	WG BIOTECH APS	SALE	36.34	25K	908.48K	4.45M
May 24, 2021	KRUSE BO	SALE	35.61	4K	142.44K	253.08K

Insider Transaction Summary (6 Months)

SHARESTRANS

PURCHASE00

SALES14.73K2

NET SHARES-14.73K2

NO. OF SHARES HELD339.8K2

% NET SHARES-104.33%0%

YMAB Stock Ownership Breakdown

Y-mAbs Therapeutics, Inc.

YMAB Stock Outstanding Shares

Market Insider YMAB

Institutional Ownership

YMAB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions

YMAB Stock Outstanding Shares

Market Insider YMAB

Institutional Ownership

YMAB Insiders

Buying/Selling by Insiders

Insider Transaction Summary (6 Months)

Frequently Asked Questions