4 insiders reported 38 Form 4 transactions for 4D Molecular Therapeutics, Inc. (FDMT) over the past 18 months (most recent 2026-08-21). Recent activity: Kirn David (See Remarks) Buy 50,000 shares, Kirn David (See Remarks) Sell 43,149 shares, Kirn David (See Remarks) Sell 25,927 shares, Bizily Scott (Chief Legal Officer) Buy 1,635 shares, Bizily Scott (Chief Legal Officer) Sell 1,635 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-21 | Kirn David | See Remarks | Buy | 50,000 | $207,000 |
| 2026-08-21 | Kirn David | See Remarks | Sell | 43,149 | $662,622 |
| 2026-08-21 | Kirn David | See Remarks | Sell | 25,927 | $425,651 |
| 2026-08-17 | Bizily Scott | Chief Legal Officer | Buy | 1,635 | $6,769 |
| 2026-08-17 | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $19,620 |
| 2026-08-17 | Bizily Scott | Chief Legal Officer | Buy | 1,635 | $6,769 |
| 2026-08-17 | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $19,947 |
| 2026-08-05 | Kirn David | See Remarks | Sell | 26,842 | $274,596 |
| 2026-08-04 | Kirn David | See Remarks | Sell | 12,415 | $124,722 |
| 2026-07-14 | Kirn David | See Remarks | Sell | 42,608 | $548,177 |
| 2026-07-14 | Kirn David | See Remarks | Sell | 15,283 | $183,560 |
| 2026-07-14 | Kirn David | See Remarks | Sell | 442 | $5,673 |
| 2026-07-02 | Bizily Scott | Chief Legal Officer | Buy | 814 | $3,370 |
| 2026-07-02 | Bizily Scott | Chief Legal Officer | Buy | 5,752 | $37,330 |
| 2026-07-02 | Bizily Scott | Chief Legal Officer | Sell | 6,566 | $91,924 |
| 2026-06-25 | Bizily Scott | Chief Legal Officer | Buy | 9,810 | $40,613 |
| 2026-06-25 | Bizily Scott | Chief Legal Officer | Sell | 9,810 | $117,720 |
| 2026-06-23 | Kirn David | See Remarks | Sell | 114,746 | $1.2M |
| 2026-06-02 | Kirn David | See Remarks | Sell | 1,922 | $19,258 |
| 2026-03-24 | Gupta Ashoo | VP, Finance and Controller | Buy | 865 | $0 |
| 2026-03-24 | Gupta Ashoo | VP, Finance and Controller | Sell | 310 | $2,669 |
| 2026-03-24 | Gupta Ashoo | VP, Finance and Controller | Buy | 221 | $0 |
| 2026-03-24 | Gupta Ashoo | VP, Finance and Controller | Sell | 80 | $689 |
| 2025-12-23 | Gupta Ashoo | VP, Finance and Controller | Buy | 866 | $0 |
| 2025-12-23 | Gupta Ashoo | VP, Finance and Controller | Sell | 310 | $2,691 |
Source: SEC Form 4 filings · as of 2026-08-21