David Kirn sold $1.1M of FDMT
See Remarks at 4D Molecular Therapeutics, Inc.. 69,076 shares at an average of $15.75, traded Aug 19, 2026, filed Aug 21, 2026.
Score components
- +15RoleOfficer
- +25Trade size$1.1M at market
- 0Share of holdings soldSold 7.7% of holdings
- +8Cluster2 insiders selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001193125-26-361096, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | MOption exercise Common Stock10b5-1 | +50,000 | $4.14 | $207k | 894,895 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Common Stock10b5-1 | -43,149 | $15.36 | $663k | 851,746 | Aug 21, 2026 |
| Aug 19, 2026 | SOpen-market sale Common Stock10b5-1 | -25,927 | $16.42 | $426k | 825,819 | Aug 21, 2026 |
| Aug 19, 2026 | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -50,000 | $0.00 | $0 | 217,500 | Aug 21, 2026 |
Related signals
Other insiders at 4D Molecular Therapeutics, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 17Weak | 4D Molecular Therapeutics, Inc. | David Kirn See Remarks | $754k 58,333 shares | -8% | |
| 0Weak | 4D Molecular Therapeutics, Inc. | Scott Bizily Chief Legal Officer | $22k 1,635 shares | -16% | |
| 25Weak | 4D Molecular Therapeutics, Inc. | David Kirn See Remarks | $811k 58,333 shares | -7% | |
| 0Weak | 4D Molecular Therapeutics, Inc. | Scott Bizily Chief Legal Officer | $8,176 584 shares | -6% | |
| 4Weak | 4D Molecular Therapeutics, Inc. | Scott Bizily Chief Legal Officer | $40k 3,270 shares | -32% | |
| 16Weak | 4D Molecular Therapeutics, Inc. | David Kirn See Remarks | $275k 26,842 shares | -3% | |
| 13Weak | 4D Molecular Therapeutics, Inc. | David Kirn See Remarks | $125k 12,415 shares | -1% | |
| 24Weak | 4D Molecular Therapeutics, Inc. | David Kirn See Remarks | $737k 58,333 shares | -6% | |
| 7Weak | 4D Molecular Therapeutics, Inc. | Scott Bizily Chief Legal Officer | $92k 6,566 shares | -43% | |
| 18Weak | 4D Molecular Therapeutics, Inc. | Scott Bizily Chief Legal Officer | $118k 9,810 shares | -53% |
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.