Y M Abs Therapeutics, Inc. YMAB
We take great care to ensure that the data presented and summarized in this overview for Y-mAbs Therapeutics, Inc. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding YMAB
View all-
Black Rock Inc. New York, NY2.94MShares$25.3 Million0.0% of portfolio
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Memorial Sloan Kettering Cancer Center New York, NY191KShares$1.65 Million4.24% of portfolio
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Nuveen Asset Management, LLC Chicago, IL112KShares$968,4780.0% of portfolio
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Ziegler Capital Management, LLC35.5KShares$305,3190.02% of portfolio
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Skopos Labs, Inc. Riverhead, NY16.1KShares$138,2850.02% of portfolio
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Ifp Advisors, Inc334Shares$2,8750.0% of portfolio
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Allworth Financial LP201Shares$1,7300.0% of portfolio
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Concourse Financial Group Securities, Inc. Birmingham, AL0Shares$0100.0% of portfolio
Latest Institutional Activity in YMAB
Top Purchases
Top Sells
About YMAB
Y-mAbs Therapeutics, Inc., a commercial-stage biopharmaceutical company, focuses on the development and commercialization of novel antibody based therapeutic products for the treatment of cancer in the United States. It offers DANYELZA, a monoclonal antibody in combination with granulocyte-macrophage colony-stimulating factor for the treatment of pediatric patients with relapsed or refractory high-risk neuroblastoma. The company is also developing DANYELZA that is in Phase II clinical studies for the treatment of patients with first-line neuroblastoma, third-line neuroblastoma, and in relapsed osteosarcoma; GD2-GD3 vaccine that is in Phase II clinical trial for the treatment of Stage 4 high-risk neuroblastoma; and Omburtamab, a murine monoclonal antibody that is in clinical trials for the treatment of central nervous system/ leptomeningeal metastases from neuroblastoma, desmoplastic small round cell tumor, diffuse intrinsic pontine glioma, and other B7-H3 positive tumors. In addition, it is developing Nivatrotamab for the treatment of small cell lung cancer, as well as is in Phase I/II trial for the treatment of refractory GD2 positive adult and pediatric solid tumors; and Lu-omburtamab-DTPA that is in Phase I clinical development for the treatment of medulloblastoma and B7-H3 positive leptomeningeal metastases from solid tumors. The company has a license agreement with Memorial Sloan Kettering Cancer Center and Massachusetts Institute of Technology to develop and commercialize licensed products. Y-mAbs Therapeutics, Inc. was incorporated in 2015 and is headquartered in New York, New York.
Insider Transactions at YMAB
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Sep 16
2025
|
Laura Hamill |
SELL
Sale (or disposition) back to the issuer
|
Direct |
25,080
-100.0%
|
-
|
|
Sep 16
2025
|
Laura Hamill |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
5,825
-100.0%
|
$46,600
$8.6 P/Share
|
|
Sep 16
2025
|
Biotech Ap S Wg |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
4,559,233
-100.0%
|
$36,473,864
$8.6 P/Share
|
|
Sep 16
2025
|
Ashu Tyagi |
SELL
Sale (or disposition) back to the issuer
|
Direct |
25,080
-100.0%
|
-
|
|
Sep 16
2025
|
Ashu Tyagi |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
5,825
-100.0%
|
$46,600
$8.6 P/Share
|
|
Sep 16
2025
|
David N Gill |
SELL
Sale (or disposition) back to the issuer
|
Direct |
30,905
-100.0%
|
$247,240
$8.6 P/Share
|
|
Sep 16
2025
|
Peter P. Pfreundschuh EVP, CFO and Treasurer |
SELL
Sale (or disposition) back to the issuer
|
Direct |
77,800
-100.0%
|
-
|
|
Sep 16
2025
|
Thomas Gad CHIEF BUSINESS OFFICER |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Indirect |
127,681
-100.0%
|
$1,021,448
$8.6 P/Share
|
|
Sep 16
2025
|
Thomas Gad CHIEF BUSINESS OFFICER |
SELL
Sale (or disposition) back to the issuer
|
Direct |
60,235
-100.0%
|
-
|
|
Sep 16
2025
|
Thomas Gad CHIEF BUSINESS OFFICER |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
245,486
-100.0%
|
$1,963,888
$8.6 P/Share
|
|
Sep 16
2025
|
Joris Wilms SVP & CHIEF OPERATING OFFICER |
SELL
Sale (or disposition) back to the issuer
|
Direct |
39,301
-100.0%
|
-
|
|
Sep 16
2025
|
Joris Wilms SVP & CHIEF OPERATING OFFICER |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
12,799
-100.0%
|
$102,392
$8.6 P/Share
|
|
Sep 16
2025
|
Michael J Rossi PRESIDENT & CEO |
SELL
Sale (or disposition) back to the issuer
|
Direct |
129,101
-100.0%
|
-
|
|
Sep 16
2025
|
Michael J Rossi PRESIDENT & CEO |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
7,982
-100.0%
|
$63,856
$8.6 P/Share
|
|
Sep 16
2025
|
James Healy |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Indirect |
2,194,278
-100.0%
|
$17,554,224
$8.6 P/Share
|
|
Sep 16
2025
|
James Healy |
SELL
Sale (or disposition) back to the issuer
|
Direct |
25,080
-100.0%
|
-
|
|
Sep 16
2025
|
James Healy |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Direct |
31,603
-100.0%
|
$252,824
$8.6 P/Share
|
|
Sep 16
2025
|
John La Rocca SVP, General Counsel & Secry |
SELL
Sale (or disposition) back to the issuer
|
Direct |
21,500
-100.0%
|
-
|
|
Sep 16
2025
|
Johan Wedell Wedellsborg |
SELL
Disposition due to a tender of shares in a change of control transaction
|
Indirect |
4,559,233
-100.0%
|
$36,473,864
$8.6 P/Share
|
|
Sep 16
2025
|
Johan Wedell Wedellsborg |
SELL
Sale (or disposition) back to the issuer
|
Direct |
25,080
-100.0%
|
-
|
Last 12 Months Summary
| Grant, award, or other acquisition | 338K shares |
|---|---|
| Exercise of conversion of derivative security | 103K shares |
| Sale (or disposition) back to the issuer | 459K shares |
|---|---|
| Disposition due to a tender of shares in a change of control transaction | 11.8M shares |
| Open market or private sale | 14.7K shares |