Updated Jul 16, 2026
Kirn David has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.96M.

David Kirn is associated with 4D Molecular Therapeutics, Inc., a biotechnology company focused on gene therapy. Specific details about his role and contributions to the company are not widely documented.
| Role | Insider |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-14 | FDMT | 4D Molecular Therapeutics, Inc. | S — Open-market sale [10b5-1] | 442 | $12.84 | $6K |
| 2026-07-14 | FDMT | 4D Molecular Therapeutics, Inc. | S — Open-market sale [10b5-1] | 15.3K | $12.01 | $184K |
| 2026-07-14 | FDMT | 4D Molecular Therapeutics, Inc. | S — Open-market sale [10b5-1] | 42.6K | $12.87 | $548K |
| 2026-06-23 | FDMT | 4D Molecular Therapeutics, Inc. | S — Open-market sale | 114.7K | $10.47 | $1.20M |
| 2026-06-02 | FDMT | 4D Molecular Therapeutics, Inc. | S — Open-market sale | 1.9K | $10.02 | $19K |
David Kirn is associated with 4D Molecular Therapeutics, Inc., a biotechnology company focused on gene therapy. Specific details about his role and contributions to the company are not widely documented.…
3 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 5 open-market sales ($1.96M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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