FDMT insider transaction filings
4D Molecular Therapeutics, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-16. Screen FDMT transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 9 Form 4 filings. 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): 13 legs across 9 filings by 2 insiders — 245,229 shares, $3,293,393 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 14.
- Largest priced transaction: sale of 58,333 shares @ $13.90 ($811,004) by Kirn David, filed 2026-09-16.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Kirn David — See Remarks, Director | 5 | — | 8 legs · 224,999 sh · $3,036,006 | 2 |
| Bizily Scott — Chief Legal Officer | 4 | — | 5 legs · 20,230 sh · $257,387 | 12 |
Recent Form 4 filings — 4D Molecular Therapeutics, Inc.
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-16 | 4 | Kirn David — See Remarks, Director | Sale (S): 58,333 @ $13.90 | EDGAR |
| 2026-09-03 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 584 @ $6.49 · Sale (S): 584 @ $14 · Option exercise (M): 584 (derivative) @ $0 | EDGAR |
| 2026-08-21 | 4 | Kirn David — See Remarks, Director | Option exercise (M): 50,000 @ $4.14 · Sale (S): 43,149 @ $15.36 · Sale (S): 25,927 @ $16.42 · Option exercise (M): 50,000 (derivative) @ $0 | EDGAR |
| 2026-08-17 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,635 @ $4.14 · Sale (S): 1,635 @ $12 · Option exercise (M): 1,635 @ $4.14 · Sale (S): 1,635 @ $12.20 · Option exercise (M): 1,635 (derivative) @ $0 · Option exercise (M): 1,635 (derivative) @ $0 | EDGAR |
| 2026-08-05 | 4 | Kirn David — See Remarks, Director | Sale (S): 26,842 @ $10.23 | EDGAR |
| 2026-08-04 | 4 | Kirn David — See Remarks, Director | Sale (S): 12,415 @ $10.05 | EDGAR |
| 2026-07-14 | 4 | Kirn David — See Remarks, Director | Sale (S): 42,608 @ $12.87 · Sale (S): 15,283 @ $12.01 · Sale (S): 442 @ $12.84 | EDGAR |
| 2026-07-02 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 814 @ $4.14 · Option exercise (M): 5,752 @ $6.49 · Sale (S): 6,566 @ $14 · Option exercise (M): 814 (derivative) @ $0 · Option exercise (M): 5,752 (derivative) @ $0 | EDGAR |
| 2026-06-25 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 9,810 @ $4.14 · Sale (S): 9,810 @ $12 · Option exercise (M): 9,810 (derivative) @ $0 | EDGAR |
| 2026-06-23 | 4 | Kirn David — See Remarks, Director | Sale (S): 114,746 @ $10.47 | EDGAR |
| 2026-06-18 | 4 | Miller-Rich Nancy — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | GRAY SUSANNAH — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | THEUER CHARLES — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Tomasello Shawn — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | Chacko Jacob — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | SBLENDORIO GLENN — Director | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2026-06-18 | 4 | MILLIGAN JOHN F — Director | Grant/award (A): 75,000 (derivative) @ $0 | EDGAR |
| 2026-06-02 | 4 | Kirn David — See Remarks, Director | Sale (S): 1,922 @ $10.02 | EDGAR |
| 2026-03-27 | 4 | Kirn David — Chief Executive Officer, Director | Grant/award (A): 750,000 (derivative) @ $0 | EDGAR |
| 2026-03-27 | 4 | Bizily Scott — Chief Legal Officer | Grant/award (A): 217,000 (derivative) @ $0 | EDGAR |
| 2026-03-27 | 4 | Simms Christopher Paul — See Remarks | Grant/award (A): 219,000 (derivative) @ $0 | EDGAR |
| 2026-03-24 | 4 | Gupta Ashoo — VP, Finance and Controller | Option exercise (M): 865 · Sale (S): 310 @ $8.61 · Option exercise (M): 221 · Sale (S): 80 @ $8.61 · Option exercise (M): 865 (derivative) @ $0 · Option exercise (M): 221 (derivative) @ $0 | EDGAR |
| 2026-01-07 | 4 | SBLENDORIO GLENN — Director | Grant/award (A): 45,000 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | Gupta Ashoo — VP, Finance and Controller | Option exercise (M): 866 · Sale (S): 310 @ $8.68 · Option exercise (M): 220 · Sale (S): 79 @ $8.68 · Option exercise (M): 866 (derivative) @ $0 · Option exercise (M): 220 (derivative) @ $0 | EDGAR |
| 2025-12-19 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,635 @ $4.14 · Sale (S): 1,635 @ $10.90 · Option exercise (M): 1,635 (derivative) @ $0 | EDGAR |
| 2025-12-16 | 4 | THEUER CHARLES — Director | Option exercise (M): 9,333 @ $1.14 · Option exercise (M): 9,333 (derivative) @ $0 | EDGAR |
| 2025-12-11 | 4 | Humer Kristian — Chief Financial Officer | Grant/award (A): 480,000 (derivative) @ $0 | EDGAR |
| 2025-11-19 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,635 @ $4.14 · Sale (S): 1,635 @ $10.59 · Option exercise (M): 1,635 (derivative) @ $0 | EDGAR |
| 2025-10-27 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,084 @ $6.49 · Sale (S): 2,678 @ $12 · Option exercise (M): 1,084 (derivative) @ $0 | EDGAR |
| 2025-10-20 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,635 @ $4.14 · Sale (S): 1,635 @ $10.17 · Option exercise (M): 1,635 (derivative) @ $0 | EDGAR |
| 2025-10-14 | 4 | Bizily Scott — Chief Legal Officer | Sale (S): 2,408 @ $10 | EDGAR |
| 2025-09-26 | 4 | Bizily Scott — Chief Legal Officer | Sale (S): 2,407 @ $8 | EDGAR |
| 2025-06-20 | 4 | Miller-Rich Nancy — Director | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | GRAY SUSANNAH — Director | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | THEUER CHARLES — Director | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | Chacko Jacob — Director | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | Tomasello Shawn — Director | Grant/award (A): 22,500 (derivative) @ $0 | EDGAR |
| 2025-06-20 | 4 | MILLIGAN JOHN F — Director | Grant/award (A): 33,750 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Bizily Scott — Chief Legal Officer | Grant/award (A): 78,500 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Kirn David — Chief Executive Officer, Director | Grant/award (A): 267,500 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Kim Robert Young — Chief Medical Officer | Grant/award (A): 92,300 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Mehra Uneek — See Remarks | Grant/award (A): 130,000 (derivative) @ $0 | EDGAR |
| 2025-03-10 | 4 | Kamal Fariborz — President & COO | Grant/award (A): 178,400 (derivative) @ $0 | EDGAR |
| 2024-12-10 | 4 | RA CAPITAL MANAGEMENT, L.P. — 10% owner RA Capital Healthcare Fund LP — 10% owner Kolchinsky Peter — 10% owner Shah Rajeev M. — 10% owner | Other (J): 535,000 @ $0 · Other (J): 535,000 (derivative) | EDGAR |
| 2024-11-13 | 4 | BVF PARTNERS L P/IL BIOTECHNOLOGY VALUE FUND L P BVF I GP LLC BIOTECHNOLOGY VALUE FUND II LP BVF II GP LLC Biotechnology Value Trading Fund OS LP BVF Partners OS Ltd. BVF GP HOLDINGS LLC BVF INC/IL LAMPERT MARK N | Other (J): 3,062,000 · Other (J): 2,378,000 · Other (J): 240,000 · Other (J): 3,062,000 (derivative) · Other (J): 2,378,000 (derivative) · Other (J): 240,000 (derivative) | EDGAR |
| 2024-09-18 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 500 @ $6.49 · Sale (S): 500 @ $16.33 · Option exercise (M): 500 (derivative) @ $0 | EDGAR |
| 2024-08-21 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 500 @ $6.49 · Sale (S): 500 @ $15 · Option exercise (M): 500 (derivative) @ $0 | EDGAR |
| 2024-07-18 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 500 @ $6.49 · Option exercise (M): 1,250 @ $8.04 · Sale (S): 1,750 @ $27.11 · Option exercise (M): 500 (derivative) @ $0 · Option exercise (M): 1,250 (derivative) @ $0 | EDGAR |
| 2024-07-15 | 4 | Bizily Scott — Chief Legal Officer | Option exercise (M): 1,996 @ $15.78 · Sale (S): 1,996 @ $25 · Option exercise (M): 1,996 (derivative) @ $0 | EDGAR |
| 2024-07-12 | 4 | Kirn David — Chief Executive Officer, Director | Option exercise (M): 11,653 @ $14.42 · Option exercise (M): 1,270 @ $15.78 · Sale (S): 12,923 @ $22.49 · Option exercise (M): 11,653 (derivative) @ $0 · Option exercise (M): 1,270 (derivative) @ $0 | EDGAR |
Recent 8-K events — 4D Molecular Therapeutics, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-13 | 8-K | 2.02 — Results of Operations and Financial Condition | EDGAR |
| 2026-07-20 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-06-29 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant | EDGAR |
| 2026-06-22 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-05-07 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-30 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-18 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-26 | 8-K | 3.02 — Unregistered Sales of Equity Securities 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-07 | 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 | EDGAR |
| 2025-12-10 | 8-K | 8.01 — Other Events | EDGAR |
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