Binder Gwendolyn — SEC Form 4 filings
SEC reporting owner CIK 1791742. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-12.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-01-10 to 2026-06-12. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 11,312 shares, $24,763 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 2 legs across 1 filing — 11,000 shares, $215,439 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 21.
- Largest priced transaction: sale of 10,300 shares @ $19.54 ($201,210) in Cabaletta Bio, Inc., filed 2024-01-19.
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 |
|---|---|---|---|---|---|
| Cabaletta Bio, Inc. (CABA) | President, Science & Tech. | 6 | 1 leg · 11,312 sh · $24,763 | 2 legs · 11,000 sh · $215,439 | 17 |
| Instil Bio, Inc. (TIL) | Director | 4 | — | — | 4 |
Form 4 filings — Binder Gwendolyn
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-12 | 4 | Instil Bio, Inc. (TIL) | Grant/award (A): 6,500 (derivative) @ $0 | EDGAR |
| 2026-03-02 | 4 | Cabaletta Bio, Inc. (CABA) | Grant/award (A): 225,000 (derivative) @ $0 | EDGAR |
| 2026-01-21 | 4 | Cabaletta Bio, Inc. (CABA) | Purchase (P): 11,312 @ $2.19 | EDGAR |
| 2025-05-29 | 4 | Instil Bio, Inc. (TIL) | Grant/award (A): 6,500 (derivative) @ $0 | EDGAR |
| 2025-05-19 | 4 | Cabaletta Bio, Inc. (CABA) | Disposition to issuer (D): 66,667 (derivative) @ $0 · Grant/award (A): 66,667 (derivative) @ $0 · Disposition to issuer (D): 29,908 (derivative) @ $0 · Grant/award (A): 29,908 (derivative) @ $0 · Disposition to issuer (D): 125,000 (derivative) @ $0 · Grant/award (A): 125,000 (derivative) @ $0 · +6 more | EDGAR |
| 2025-03-04 | 4 | Cabaletta Bio, Inc. (CABA) | Grant/award (A): 145,000 (derivative) @ $0 | EDGAR |
| 2024-06-13 | 4 | Instil Bio, Inc. (TIL) | Grant/award (A): 5,000 (derivative) @ $0 | EDGAR |
| 2024-03-04 | 4 | Cabaletta Bio, Inc. (CABA) | Grant/award (A): 130,000 (derivative) @ $0 | EDGAR |
| 2024-01-19 | 4 | Cabaletta Bio, Inc. (CABA) | Option exercise (M): 11,000 @ $1.01 · Sale (S): 10,300 @ $19.54 · Sale (S): 700 @ $20.33 · Option exercise (M): 11,000 (derivative) @ $0 | EDGAR |
| 2024-01-10 | 4 | Instil Bio, Inc. (TIL) | Grant/award (A): 1,500 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-10 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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