Backstrom Jay T. — SEC Form 4 filings
SEC reporting owner CIK 1796398. 10 Form 4 filings on record with FilingPulse; latest filed 2026-07-10.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-02-13 to 2026-07-10. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 3 filings — 52,294 shares, $1,845,415 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 22,308 shares @ $44.20 ($985,951) in Scholar Rock Holding Corp, filed 2025-01-21.
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 |
|---|---|---|---|---|---|
| Scholar Rock Holding Corp (SRRK) | CHIEF EXECUTIVE OFFICER, Director | 5 | — | 3 legs · 52,294 sh · $1,845,415 | 4 |
| AGIOS PHARMACEUTICALS, INC. (AGIO) | Director | 3 | — | — | 6 |
| LAVA Therapeutics NV (LVTX) | Director | 2 | — | — | 2 |
Form 4 filings — Backstrom Jay T.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-07-10 | 4 | AGIOS PHARMACEUTICALS, INC. (AGIO) | Grant/award (A): 1,447 @ $0 · Option exercise (M): 1,447 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | AGIOS PHARMACEUTICALS, INC. (AGIO) | Grant/award (A): 2,927 (derivative) @ $0 · Grant/award (A): 14,950 (derivative) @ $0 | EDGAR |
| 2025-11-17 | 4 | LAVA Therapeutics NV (LVTX) | Disposition to issuer (D): 33,390 (derivative) @ $0 | EDGAR |
| 2025-07-10 | 4 | AGIOS PHARMACEUTICALS, INC. (AGIO) | Grant/award (A): 23,393 (derivative) @ $0 · Grant/award (A): 4,341 (derivative) @ $0 | EDGAR |
| 2025-03-12 | 4 | Scholar Rock Holding Corp (SRRK) | Grant/award (A): 113,570 @ $0 · Grant/award (A): 151,430 (derivative) @ $0 | EDGAR |
| 2025-02-20 | 4 | Scholar Rock Holding Corp (SRRK) | Sale (S): 18,372 @ $36.83 | EDGAR |
| 2025-02-18 | 4 | LAVA Therapeutics NV (LVTX) | Grant/award (A): 33,390 (derivative) @ $0 | EDGAR |
| 2025-01-21 | 4 | Scholar Rock Holding Corp (SRRK) | Sale (S): 22,308 @ $44.20 | EDGAR |
| 2024-02-20 | 4 | Scholar Rock Holding Corp (SRRK) | Sale (S): 11,614 @ $15.74 | EDGAR |
| 2024-02-13 | 4 | Scholar Rock Holding Corp (SRRK) | Grant/award (A): 214,285 @ $0 · Grant/award (A): 285,715 (derivative) @ $0 | 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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