SEIDENBERG BETH C — SEC Form 4 filings
SEC reporting owner CIK 1184592. 16 Form 4 filings on record with FilingPulse; latest filed 2026-08-10.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2024-02-14 to 2026-08-10. 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 — 133,333 shares, $999,998 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 5 legs across 2 filings — 31,476 shares, $1,416,726 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 38.
- Largest priced transaction: purchase of 133,333 shares @ $7.50 ($999,998) in Kyverna Therapeutics, Inc., filed 2025-12-22.
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 |
|---|---|---|---|---|---|
| Vera Therapeutics, Inc. (VERA) | Director | 5 | — | 5 legs · 31,476 sh · $1,416,726 | 3 |
| Kyverna Therapeutics, Inc. (KYTX) | Director | 4 | 1 leg · 133,333 sh · $999,998 | — | 10 |
| Latigo Biotherapeutics, Inc. (LTGO) | Director, 10% owner | 1 | — | — | 14 |
| ACELYRIN, Inc. (SLRN) | Director | 2 | — | — | 5 |
| Sagimet Biosciences Inc. (SGMT) | Director | 3 | — | — | 4 |
| Progyny, Inc. (PGNY) | Director | 1 | — | — | 2 |
Form 4 filings — SEIDENBERG BETH C
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-10 | 4 | Latigo Biotherapeutics, Inc. (LTGO) | Conversion (C): 938,979 · Conversion (C): 3,547,842 · Conversion (C): 1,027,635 · Conversion (C): 3,464,072 · Conversion (C): 1,484,401 · Conversion (C): 165,519 · +8 more | EDGAR |
| 2026-06-15 | 4 | Sagimet Biosciences Inc. (SGMT) | Grant/award (A): 39,567 (derivative) @ $0 | EDGAR |
| 2026-05-29 | 4 | Kyverna Therapeutics, Inc. (KYTX) | Grant/award (A): 5,093 @ $0 · Grant/award (A): 20,582 (derivative) @ $0 | EDGAR |
| 2026-05-26 | 4 | Vera Therapeutics, Inc. (VERA) | Grant/award (A): 17,084 (derivative) @ $0 | EDGAR |
| 2025-12-22 | 4 | Kyverna Therapeutics, Inc. (KYTX) | Purchase (P): 133,333 @ $7.50 | EDGAR |
| 2025-06-10 | 4 | Sagimet Biosciences Inc. (SGMT) | Grant/award (A): 28,522 (derivative) @ $0 · Grant/award (A): 32,250 (derivative) @ $0 | EDGAR |
| 2025-06-02 | 4 | Kyverna Therapeutics, Inc. (KYTX) | Grant/award (A): 16,634 @ $0 · Grant/award (A): 65,351 (derivative) @ $0 | EDGAR |
| 2025-05-23 | 4 | ACELYRIN, Inc. (SLRN) | Disposition to issuer (D): 60,000 · Disposition to issuer (D): 9,790,729 · Disposition to issuer (D): 23,243 (derivative) · Disposition to issuer (D): 92,158 (derivative) | EDGAR |
| 2025-05-16 | 4 | Vera Therapeutics, Inc. (VERA) | Grant/award (A): 14,000 (derivative) @ $0 | EDGAR |
| 2024-10-30 | 4 | Vera Therapeutics, Inc. (VERA) | Sale (S): 14,798 @ $48.01 · Sale (S): 202 @ $49.54 | EDGAR |
| 2024-09-20 | 4 | Vera Therapeutics, Inc. (VERA) | Sale (S): 1,177 @ $42.01 · Sale (S): 1,476 @ $42 · Sale (S): 13,823 @ $42.31 | EDGAR |
| 2024-06-11 | 4 | ACELYRIN, Inc. (SLRN) | Grant/award (A): 92,158 (derivative) @ $0 | EDGAR |
| 2024-06-07 | 4 | Sagimet Biosciences Inc. (SGMT) | Grant/award (A): 51,459 (derivative) @ $0 | EDGAR |
| 2024-05-28 | 4 | Progyny, Inc. (PGNY) | Grant/award (A): 7,206 @ $0 · Grant/award (A): 26,926 (derivative) @ $0 | EDGAR |
| 2024-05-17 | 4 | Vera Therapeutics, Inc. (VERA) | Grant/award (A): 14,000 (derivative) @ $0 | EDGAR |
| 2024-02-14 | 4 | Kyverna Therapeutics, Inc. (KYTX) | Conversion (C): 3,787,940 · Conversion (C): 735,984 · Conversion (C): 4,401,771 (derivative) @ $0 · Conversion (C): 8,830,901 (derivative) @ $0 · Conversion (C): 4,006,624 (derivative) @ $0 · Conversion (C): 3,349,538 (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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1184592 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →