Y-mAbs Therapeutics, Inc. (YMAB)
Data as of , from SEC Form 4 filings.
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About Y-mAbs Therapeutics, Inc. (YMAB)
Y-mAbs Therapeutics, Inc. files with the SEC under CIK 0001722964 and is classified as pharmaceutical preparations. It is grouped with Health Care companies on this site.
YMAB Form 4 activity by transaction type, last 90 days
No Form 4 activity for YMAB in the last 90 days.
YMAB insider transactions (Form 4)
11217 Form 4 filings on record, the earliest from Jun 30, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Laura Hamill | Other | Common Stock | 5,825 | $8.60 | $50K | |
| Laura Hamill | Derivative | Common Stock | 25,080 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 27,000 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 13,950 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 14,545 | - | - | |
| Laura Hamill | Derivative | Employee Stock Option (right to buy) | 33,450 | - | - | |
| Douglas J. Gentilcore - Officer | Derivative | Employee Stock Option (right to buy) | 142,600 | - | - | |
| Michael J. Rossi - Officer | Other | Common Stock | 7,982 | $8.60 | $69K | |
| Michael J. Rossi - Officer | Derivative | Common Stock | 129,101 | - | - | |
| Michael J. Rossi - Officer | Derivative | Employee Stock Option (right to buy) | 615,240 | - | - | |
| Michael J. Rossi - Officer | Derivative | Employee Stock Option (right to buy) | 214,200 | - | - | |
| Michael J. Rossi - Officer | Derivative | Employee Stock Option (right to buy) | 210,700 | - | - | |
| Michael J. Rossi - Officer | Derivative | Restricted Stock Units | 18,000 | - | - | |
| Michael J. Rossi - Officer | Derivative | Restricted Stock Units | 18,000 | - | - | |
| Michael J. Rossi - Officer | Derivative | Restricted Stock Units | 18,000 | - | - | |
| Michael J. Rossi - Officer | Derivative | Restricted Stock Units | 52,650 | - | - | |
| Michael J. Rossi - Officer | Derivative | Restricted Stock Units | 52,650 | - | - | |
| Joris Wilms - Officer | Other | Common Stock | 12,799 | $8.60 | $110K | |
| Joris Wilms - Officer | Derivative | Common Stock | 39,301 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 32,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 20,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 35,700 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 32,000 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 35,700 | - | - | |
| Joris Wilms - Officer | Derivative | Employee Stock Option (right to buy) | 42,900 | - | - | |
| Johan Wedell-Wedellsborg | Other | Common Stock | 5,825 | $8.60 | $50K | |
| Johan Wedell-Wedellsborg | Derivative | Common Stock | 25,080 | - | - | |
| Johan Wedell-Wedellsborg | Other | Common Stock | 4,559,233 | $8.60 | $39.21M | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 36,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 32,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 13,950 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 14,545 | - | - | |
| Johan Wedell-Wedellsborg | Derivative | Employee Stock Option (right to buy) | 33,450 | - | - | |
| Thomas Gad - Officer | Other | Common Stock | 245,486 | $8.60 | $2.11M | |
| Thomas Gad - Officer | Derivative | Common Stock | 60,235 | - | - | |
| Thomas Gad - Officer | Other | Common Stock | 67,681 | $8.60 | $582K | |
| Thomas Gad - Officer | Other | Common Stock | 60,000 | $8.60 | $516K | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 143,169 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 100,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 107,500 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 130,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 91,450 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 110,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 60,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 242,200 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 75,000 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 132,500 | - | - | |
| Thomas Gad - Officer | Derivative | Employee Stock Option (right to buy) | 64,000 | - | - | |
| Thomas Gad - Officer | Derivative | Restricted Stock Units | 16,000 | - | - | |
| Thomas Gad - Officer | Derivative | Restricted Stock Units | 16,000 | - | - | |
| Biotech Aps Wg | Other | Common Stock | 4,559,233 | $8.60 | $39.21M | |
| Ashu Tyagi | Other | Common Stock | 5,825 | $8.60 | $50K | |
| Ashu Tyagi | Derivative | Common Stock | 25,080 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 32,000 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 13,950 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 14,545 | - | - | |
| Ashu Tyagi | Derivative | Employee Stock Option (right to buy) | 33,450 | - | - | |
| John Larocca - Officer | Derivative | Common Stock | 21,500 | - | - | |
| John Larocca - Officer | Derivative | Employee Stock Option (right to buy) | 142,600 | - | - | |
| John Larocca - Officer | Derivative | Employee Stock Option (right to buy) | 42,900 | - | - | |
| Peter P. Pfreundschuh - Officer | Derivative | Common Stock | 77,800 | - | - | |
| Peter P. Pfreundschuh - Officer | Derivative | Employee Stock Option (right to buy) | 170,000 | - | - | |
| Peter P. Pfreundschuh - Officer | Derivative | Employee Stock Option (right to buy) | 63,500 | - | - | |
| Peter P. Pfreundschuh - Officer | Derivative | Restricted Stock Units | 15,900 | - | - | |
| Peter P. Pfreundschuh - Officer | Derivative | Restricted Stock Units | 15,900 | - | - | |
| James Healy | Other | Common Stock | 31,603 | $8.60 | $272K | |
| James Healy | Derivative | Common Stock | 25,080 | - | - | |
| James Healy | Other | Common Stock | 2,194,278 | $8.60 | $18.87M | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 14,222 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 8,000 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 13,950 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 14,545 | - | - | |
| James Healy | Derivative | Employee Stock Option (right to buy) | 33,450 | - | - | |
| David N. Gill | Derivative | Common Stock | 5,825 | $8.60 | $50K | |
| David N. Gill | Derivative | Common Stock | 25,080 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 24,000 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 11,000 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 16,000 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 13,950 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 14,545 | - | - | |
| David N. Gill | Derivative | Employee Stock Option (right to buy) | 33,450 | - | - | |
| Laura Hamill | Grant or award | Common Stock | 25,080 | $0.00 | - | |
| Laura Hamill | Grant or award | Employee Stock Option (right to buy) | 33,450 | $0.00 | - | |
| Ashu Tyagi | Grant or award | Common Stock | 25,080 | $0.00 | - | |
| Ashu Tyagi | Grant or award | Employee Stock Option (right to buy) | 33,450 | $0.00 | - | |
| Johan Wedell-Wedellsborg | Grant or award | Common Stock | 25,080 | $0.00 | - | |
| Johan Wedell-Wedellsborg | Grant or award | Employee Stock Option (right to buy) | 33,450 | $0.00 | - | |
| James Healy | Grant or award | Common Stock | 25,080 | $0.00 | - | |
| James Healy | Grant or award | Employee Stock Option (right to buy) | 33,450 | $0.00 | - | |
| David N. Gill | Grant or award | Common Stock | 25,080 | $0.00 | - | |
| David N. Gill | Grant or award | Employee Stock Option (right to buy) | 33,450 | $0.00 | - |
YMAB insider trading FAQ
What is the latest insider trade for YMAB?
Y-mAbs Therapeutics, Inc. (YMAB) has filed no insider reports in the last 90 days. The most recent on record is dated 2025-09-16. The full record for YMAB runs to 17 Form 4 filings, the earliest from 2025-06-30. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying YMAB stock?
No insider purchases of YMAB were filed in the last 90 days.
How many insiders are selling YMAB stock?
No insider sales of YMAB were filed in the last 90 days.
Where can I see YMAB SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects YMAB Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Laura Hamill view on EDGAR
- - Douglas J. Gentilcore view on EDGAR
- - Michael J. Rossi view on EDGAR
- - Joris Wilms view on EDGAR
- - Johan Wedell-Wedellsborg view on EDGAR
- - Thomas Gad view on EDGAR
- - Biotech Aps Wg view on EDGAR
- - Ashu Tyagi view on EDGAR
- - John Larocca view on EDGAR
- - Peter P. Pfreundschuh view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where YMAB's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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