Insider · CIK 0001364719
Michael Kauffman
Files at KYNB (FIBROGEN INC), VSTM (Verastem, Inc.), KZR (Kezar Life Sciences, Inc.). First filing Nov 25, 2025, latest Nov 25, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
VSTM: Verastem, 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 |
|---|---|---|---|---|---|
| 29Weak | Verastem, Inc. | $86k 8,550 shares | -50% | +172% from low-7% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Nov 21, 2025 | VSTM Verastem, Inc. | SOpen-market sale Common Stock10b5-1 | -8,550 | $10.00 | $86k | 8,666 | Nov 25, 2025 |
| Jun 18, 2025 | KZR Kezar Life Sciences, Inc. | AGrant or award Stock Option (right to buy)derivative | +5,000 | $0.00 | $0 | 5,000 | Jun 23, 2025 |
| Jun 4, 2025 | KYNB FIBROGEN INC | AGrant or award Stock Option (Right to Buy)derivative | +70,000 | $0.00 | $0 | 70,000 | Jun 6, 2025 |
| Jun 4, 2025 | KYNB FIBROGEN INC | AGrant or award Stock Option (Right to Buy)derivative | +120,000 | $0.00 | $0 | 120,000 | Jun 6, 2025 |
| May 22, 2025 | VSTM Verastem, Inc. | AGrant or award Common Stock | +8,333 | $0.00 | $0 | 17,216 | May 27, 2025 |
| May 22, 2025 | VSTM Verastem, Inc. | AGrant or award Stock Option (right to buy)derivative | +12,500 | $0.00 | $0 | 12,500 | May 27, 2025 |
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.