YMAB insider transaction filings
Y-mAbs Therapeutics, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-09-19. Screen YMAB transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for YMAB between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.
Recent Form 4 filings — Y-mAbs Therapeutics, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2025-09-19 | 4 | Hamill Laura — Director | Code (U): 5,825 @ $8.60 · Disposition to issuer (D): 25,080 · Disposition to issuer (D): 27,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · Disposition to issuer (D): 16,000 (derivative) · Disposition to issuer (D): 13,950 (derivative) · +2 more | EDGAR |
| 2025-09-18 | 4 | Gentilcore Douglas J — SVP, Danyelza Bus. Unit Head | Disposition to issuer (D): 142,600 (derivative) | EDGAR |
| 2025-09-18 | 4 | Rossi Michael J — PRESIDENT & CEO, Director | Code (U): 7,982 @ $8.60 · Disposition to issuer (D): 129,101 · Disposition to issuer (D): 615,240 (derivative) · Disposition to issuer (D): 214,200 (derivative) · Disposition to issuer (D): 210,700 (derivative) · Disposition to issuer (D): 18,000 (derivative) · +4 more | EDGAR |
| 2025-09-18 | 4 | Wilms Joris — SVP & CHIEF OPERATING OFFICER | Code (U): 12,799 @ $8.60 · Disposition to issuer (D): 39,301 · Disposition to issuer (D): 20,000 (derivative) · Disposition to issuer (D): 20,000 (derivative) · Disposition to issuer (D): 20,000 (derivative) · Disposition to issuer (D): 20,000 (derivative) · +7 more | EDGAR |
| 2025-09-18 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Code (U): 245,486 @ $8.60 · Disposition to issuer (D): 60,235 · Code (U): 67,681 @ $8.60 · Code (U): 60,000 @ $8.60 · Disposition to issuer (D): 143,169 (derivative) · Disposition to issuer (D): 16,000 (derivative) · +12 more | EDGAR |
| 2025-09-18 | 4 | WG Biotech ApS — Director, 10% owner | Code (U): 4,559,233 @ $8.60 | EDGAR |
| 2025-09-18 | 4 | Wedell-Wedellsborg Johan — Director, 10% owner | Code (U): 5,825 @ $8.60 · Disposition to issuer (D): 25,080 · Code (U): 4,559,233 @ $8.60 · Disposition to issuer (D): 36,000 (derivative) · Disposition to issuer (D): 32,000 (derivative) · Disposition to issuer (D): 16,000 (derivative) · +6 more | EDGAR |
| 2025-09-18 | 4 | TYAGI ASHU — Director | Code (U): 5,825 @ $8.60 · Disposition to issuer (D): 25,080 · Disposition to issuer (D): 16,000 (derivative) · Disposition to issuer (D): 32,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · +4 more | EDGAR |
| 2025-09-18 | 4 | LaRocca John — SVP, General Counsel & Secry | Disposition to issuer (D): 21,500 · Disposition to issuer (D): 142,600 (derivative) · Disposition to issuer (D): 42,900 (derivative) | EDGAR |
| 2025-09-18 | 4 | PFREUNDSCHUH PETER P. — EVP, CFO and Treasurer | Disposition to issuer (D): 77,800 · Disposition to issuer (D): 170,000 (derivative) · Disposition to issuer (D): 63,500 (derivative) · Disposition to issuer (D): 15,900 (derivative) · Disposition to issuer (D): 15,900 (derivative) | EDGAR |
| 2025-09-18 | 4 | HEALY JAMES — Director | Code (U): 31,603 @ $8.60 · Disposition to issuer (D): 25,080 · Code (U): 2,194,278 @ $8.60 · Disposition to issuer (D): 14,222 (derivative) · Disposition to issuer (D): 8,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · +5 more | EDGAR |
| 2025-09-18 | 4 | GILL DAVID N — Director | Disposition to issuer (D): 5,825 @ $8.60 · Disposition to issuer (D): 25,080 · Disposition to issuer (D): 24,000 (derivative) · Disposition to issuer (D): 16,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · Disposition to issuer (D): 11,000 (derivative) · +4 more | EDGAR |
| 2025-07-02 | 4 | Hamill Laura — Director | Grant/award (A): 25,080 @ $0 · Grant/award (A): 33,450 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | TYAGI ASHU — Director | Grant/award (A): 25,080 @ $0 · Grant/award (A): 33,450 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | Wedell-Wedellsborg Johan — Director, 10% owner | Grant/award (A): 25,080 @ $0 · Grant/award (A): 33,450 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | HEALY JAMES — Director | Grant/award (A): 25,080 @ $0 · Grant/award (A): 33,450 (derivative) @ $0 | EDGAR |
| 2025-07-02 | 4 | GILL DAVID N — Director | Grant/award (A): 25,080 @ $0 · Grant/award (A): 33,450 (derivative) @ $0 | EDGAR |
| 2025-06-05 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Option exercise (M): 103,000 @ $2 · Option exercise (M): 103,000 (derivative) @ $0 | EDGAR |
| 2025-03-11 | 4 | Rossi Michael J — PRESIDENT & CEO, Director | Sale (S): 3,917 @ $5.20 | EDGAR |
| 2025-03-11 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Sale (S): 10,810 @ $5.23 | EDGAR |
| 2025-01-22 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Grant/award (A): 32,000 @ $0 · Grant/award (A): 64,000 (derivative) @ $0 | EDGAR |
| 2025-01-22 | 4 | Gentilcore Douglas J — SVP, Danyelza Bus. Unit Head | Grant/award (A): 142,600 (derivative) @ $0 | EDGAR |
| 2025-01-22 | 4 | Wilms Joris — SVP & CHIEF OPERATING OFFICER | Grant/award (A): 21,500 @ $0 · Grant/award (A): 42,900 (derivative) @ $0 | EDGAR |
| 2025-01-22 | 4 | Rossi Michael J — PRESIDENT & CEO, Director | Grant/award (A): 105,300 @ $0 · Grant/award (A): 210,700 (derivative) @ $0 | EDGAR |
| 2025-01-22 | 4 | LaRocca John — SVP, General Counsel & Secry | Grant/award (A): 21,500 @ $0 · Grant/award (A): 42,900 (derivative) @ $0 | EDGAR |
| 2025-01-22 | 4 | PFREUNDSCHUH PETER P. — CFO and Treasurer | Grant/award (A): 31,800 @ $0 · Grant/award (A): 63,500 (derivative) @ $0 | EDGAR |
| 2024-09-20 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Option exercise (M): 22,831 @ $4.38 · Option exercise (M): 22,831 (derivative) @ $0 | EDGAR |
| 2024-09-17 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Sale (S): 65,000 @ $13.47 · Sale (S): 30,000 @ $12.97 | EDGAR |
| 2024-08-30 | 4 | Lund-Hansen Torben — SVP & CHIEF TECHNICAL OFFICER | Option exercise (M): 50,000 @ $4.38 · Sale (S): 50,000 @ $15.37 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2024-08-27 | 4 | Wilms Joris — SVP & CHIEF OPERATING OFFICER | Sale (S): 5,000 @ $14.69 | EDGAR |
| 2024-07-12 | 4 | PFREUNDSCHUH PETER P. — CFO and Treasurer | Grant/award (A): 46,000 @ $0 · Grant/award (A): 170,000 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | Hamill Laura — Director | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | Wedell-Wedellsborg Johan — Director, 10% owner | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | TYAGI ASHU — Director | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | TAGLIAFERRI MARY — Director | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | HEALY JAMES — Director | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | GILL DAVID N — Director | Grant/award (A): 3,495 @ $0 · Grant/award (A): 14,545 (derivative) @ $0 | EDGAR |
| 2024-06-11 | 4 | Ber Gerard — Director | Sale (S): 722 @ $12 | EDGAR |
| 2024-06-11 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Sale (S): 35,000 @ $12.03 · Sale (S): 35,000 @ $12 | EDGAR |
| 2024-05-31 | 4 | Kruse Bo — EVP, CFO, SECRY & TREAS. | Option exercise (M): 28,629 @ $2 · Sale (S): 28,629 @ $12.03 · Option exercise (M): 31,371 @ $2 · Sale (S): 31,371 @ $12.07 · Option exercise (M): 28,629 (derivative) @ $0 · Option exercise (M): 31,371 (derivative) @ $0 | EDGAR |
| 2024-05-23 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Sale (S): 25,000 @ $12 · Sale (S): 7,351 @ $13 | EDGAR |
| 2024-03-14 | 4 | TAGLIAFERRI MARY — Director | Grant/award (A): 4,660 @ $0 · Grant/award (A): 27,900 (derivative) @ $0 | EDGAR |
| 2024-03-07 | 4 | Rajah Vignesh — SVP & CHIEF MEDICAL OFFICER | Sale (S): 1,711 @ $16.53 | EDGAR |
| 2024-03-07 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Sale (S): 3,900 @ $16.44 | EDGAR |
| 2024-03-07 | 4 | Smith Susan Laura — SVP & CHIEF COMMERCIAL OFFICER | Sale (S): 1,682 @ $16.55 | EDGAR |
| 2024-02-14 | 4 | Rossi Michael J — PRESIDENT & CEO, Director | Grant/award (A): 35,700 @ $0 · Grant/award (A): 214,200 (derivative) @ $0 · Grant/award (A): 54,000 (derivative) @ $0 | EDGAR |
| 2024-01-22 | 4 | Wilms Joris — SVP & CHIEF OPERATING OFFICER | Grant/award (A): 17,800 @ $0 · Grant/award (A): 35,700 (derivative) @ $0 | EDGAR |
| 2024-01-22 | 4 | Lund-Hansen Torben — SVP & CHIEF TECHNICAL OFFICER | Grant/award (A): 17,800 @ $0 · Grant/award (A): 35,700 (derivative) @ $0 | EDGAR |
| 2024-01-22 | 4 | Gad Thomas — CHIEF BUSINESS OFFICER, Director | Grant/award (A): 22,100 @ $0 · Grant/award (A): 132,500 (derivative) @ $0 | EDGAR |
| 2024-01-22 | 4 | Kruse Bo — EVP, CFO, SECRY & TREAS. | Grant/award (A): 18,100 @ $0 · Grant/award (A): 108,900 (derivative) @ $0 | EDGAR |
Recent 8-K events — Y-mAbs Therapeutics, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2025-09-16 | 8-K | 2.01 — Completion of Acquisition or Disposition of Assets 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing 3.03 — Material Modification to Rights of Security Holders 5.01 — Changes in Control of Registrant 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-08 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-08-05 | 8-K | 1.01 — Entry into a Material Definitive Agreement 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-07-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2025-05-28 | 8-K | 7.01 — Regulation FD Disclosure 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-05-13 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-04 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-03-04 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-01-13 | 8-K | 7.01 — Regulation FD Disclosure | EDGAR |
| 2025-01-10 | 8-K | 2.02 — Results of Operations and Financial Condition ? 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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