Rowinsky Eric K — SEC Form 4 filings
SEC reporting owner CIK 1318886. 9 Form 4 filings on record with FilingPulse; latest filed 2026-06-11.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-01-24 to 2026-06-11. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 2 legs across 2 filings — 2,455 shares, $108,936 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 14.
- Largest priced transaction: purchase of 455 shares @ $222.54 ($101,256) in BIOGEN INC., filed 2024-02-20.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| BIOGEN INC. (BIIB) | Director | 4 | 1 leg · 455 sh · $101,256 | — | 3 |
| Verastem, Inc. (VSTM) | Director | 5 | 1 leg · 2,000 sh · $7,680 | — | 11 |
Form 4 filings — Rowinsky Eric K
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-11 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 1,505 @ $0 | EDGAR |
| 2026-05-26 | 4 | Verastem, Inc. (VSTM) | Grant/award (A): 36,000 @ $0 | EDGAR |
| 2025-06-18 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 2,370 @ $0 | EDGAR |
| 2025-05-27 | 4 | Verastem, Inc. (VSTM) | Grant/award (A): 8,333 @ $0 · Grant/award (A): 12,500 (derivative) @ $0 | EDGAR |
| 2024-06-25 | 4 | BIOGEN INC. (BIIB) | Grant/award (A): 1,340 @ $0 | EDGAR |
| 2024-06-20 | 4 | Verastem, Inc. (VSTM) | Grant/award (A): 8,333 @ $0 · Grant/award (A): 12,500 (derivative) @ $0 | EDGAR |
| 2024-03-13 | 4 | Verastem, Inc. (VSTM) | Disposition to issuer (D): 4,166 (derivative) · Disposition to issuer (D): 2,157 (derivative) · Disposition to issuer (D): 2,083 (derivative) · Disposition to issuer (D): 2,083 (derivative) · Disposition to issuer (D): 2,083 (derivative) · Grant/award (A): 12,572 (derivative) | EDGAR |
| 2024-02-20 | 4 | BIOGEN INC. (BIIB) | Purchase (P): 455 @ $222.54 | EDGAR |
| 2024-01-24 | 4 | Verastem, Inc. (VSTM) | Purchase (P): 2,000 @ $3.84 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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