4D Molecular Therapeutics, Inc. (FDMT) has 17 open-market insider trades by 10 insiders since 2020. Over the last six months insiders net sold $118K. The most active filer is David Kirn.
| Name | Title | Tier | Trades | Value | Last Trade |
|---|---|---|---|---|---|
| David C. Ott | 10% Owner | — | 1 | $25.3M | 2020-12-15 |
| Rose Sharon Shabet | 10% Owner | — | 1 | $13.6M | 2023-05-09 |
| Viking Global Opportunities Illiquid Investments Sub-Master LP | 10% Owner | — | 1 | $10.5M | 2024-01-04 |
| Tony Dung Ling Yao | Dir | — | 1 | $9.8M | 2020-12-15 |
| David Kirn | — | — | 4 | $3.2M | 2026-10-05 |
| David Schaffer | Dir | — | 3 | $3.0M | 2021-10-22 |
| John F. Milligan | Dir | — | 1 | $2.3M | 2020-12-15 |
| Scott Bizily | CLO | — | 2 | $174K | 2026-09-16 |
| Fariborz Kamal | — | — | 1 | $100K | 2020-12-15 |
| Ashoo Gupta | VPController | — | 2 | $7K | 2026-03-20 |
| Insider | Title | Type | Value | Date |
|---|---|---|---|---|
| David Kirn | — | Sell | $754K | 2026-10-05 |
| Scott Bizily | CLO | Sell | $22K | 2026-09-16 |
| David Kirn | — | Sell | $811K | 2026-09-14 |
| Scott Bizily | CLO | Sell | $8K | 2026-09-01 |
| David Kirn | — | Sell | $1.1M | 2026-08-19 |
| Scott Bizily | CLO | Sell | $40K | 2026-08-13 |
Companies that share insiders with FDMT, and sector peers with recent insider buying. Related by who files, not by how the stocks move.
| David Kirn | — | Sell | $275K | 2026-08-04 |
| David Kirn | — | Sell | $125K | 2026-08-03 |
| David Kirn | — | Sell | $737K | 2026-07-09 |
| Scott Bizily | CLO | Sell | $92K | 2026-06-30 |
| Scott Bizily | CLO | Sell | $118K | 2026-06-23 |
| David Kirn | — | Sell | $1.2M | 2026-06-22 |
| David Kirn | — | Sell | $19K | 2026-06-01 |
| Ashoo Gupta | VP & Controller | Sell | $3K | 2026-03-20 |
| Ashoo Gupta | VP & Controller | Sell | $3K | 2025-12-20 |