Insider · CIK 0001184592
Beth C Seidenberg
Files at SGMT (Sagimet Biosciences Inc.), VERA (Vera Therapeutics, Inc.), SLRN (ACELYRIN, Inc.), KYTX (Kyverna Therapeutics, Inc.). First filing Oct 30, 2024, latest Dec 22, 2025.
Where the trades landed
Last year at the 2 companies this insider has traded most, with each buy and sell on the bar it happened.
KYTX: Kyverna Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
VERA: Vera Therapeutics, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 51Moderate | Kyverna Therapeutics, Inc. | $1000k 133,333 shares | +18% | - | |
| 29Weak | Vera Therapeutics, Inc. | $720k 15,000 shares | -10% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Dec 18, 2025 | KYTX Kyverna Therapeutics, Inc. | POpen-market purchase Common Stockindirect: See Footnote | +133,333 | $7.50 | $1000k | 869,317 | Dec 22, 2025 |
| Jun 6, 2025 | SGMT Sagimet Biosciences Inc. | AGrant or award Stock Option (Right to Buy)derivative | +28,522 | $0.00 | $0 | 28,522 | Jun 10, 2025 |
| Jun 9, 2025 | SGMT Sagimet Biosciences Inc. | AGrant or award Stock Option (Right to Buy)derivative | +32,250 | $0.00 | $0 | 32,250 | Jun 10, 2025 |
| May 29, 2025 | KYTX Kyverna Therapeutics, Inc. | AGrant or award Common Stock | +16,634 | $0.00 | $0 | 16,634 | Jun 2, 2025 |
| May 29, 2025 | KYTX Kyverna Therapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +65,351 | $0.00 | $0 | 65,351 | Jun 2, 2025 |
| May 21, 2025 | SLRN ACELYRIN, Inc. | DDisposition to issuer Common Stock | -60,000 | - | - | 0 | May 23, 2025 |
| May 21, 2025 | SLRN ACELYRIN, Inc. | DDisposition to issuer Common Stockindirect: See footnote | -9,790,729 | - | - | 0 | May 23, 2025 |
| May 21, 2025 | SLRN ACELYRIN, Inc. | DDisposition to issuer Director Stock Option (right to buy)derivative | -23,243 | - | - | 0 | May 23, 2025 |
| May 21, 2025 | SLRN ACELYRIN, Inc. | DDisposition to issuer Director Stock Option (right to buy)derivative | -92,158 | - | - | 0 | May 23, 2025 |
| May 14, 2025 | VERA Vera Therapeutics, Inc. | AGrant or award Stock Option (right to buy)derivative | +14,000 | $0.00 | $0 | 14,000 | May 16, 2025 |
| Oct 28, 2024 | VERA Vera Therapeutics, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -14,798 | $48.01 | $710k | 131,755 | Oct 30, 2024 |
| Oct 28, 2024 | VERA Vera Therapeutics, Inc. | SOpen-market sale Class A Common Stock10b5-1 | -202 | $49.54 | $10k | 131,553 | Oct 30, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.