SEIDENBERG BETH C (CIK 1184592) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-29). Recent activity: Buy KYTX (5,093 shares), Buy KYTX (133,333 shares), Buy KYTX (16,634 shares), Sell SLRN (60,000 shares), Sell SLRN (9.8M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | Kyverna Therapeutics, Inc. (KYTX) | Director | Buy | 5,093 | $0 |
| 2025-12-22 | Kyverna Therapeutics, Inc. (KYTX) | Director | Buy | 133,333 | $999,998 |
| 2025-06-02 | Kyverna Therapeutics, Inc. (KYTX) | Director | Buy | 16,634 | $0 |
| 2025-05-23 | ACELYRIN, Inc. (SLRN) | Director | Sell | 60,000 | $0 |
| 2025-05-23 | ACELYRIN, Inc. (SLRN) | Director | Sell | 9.8M | $0 |
Source: SEC Form 4 filings · as of 2026-05-29