FDMTHealthcareSmall-Cap
4D Molecular Therapeutics, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for 4D Molecular Therapeutics, Inc. (FDMT), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are FDMT insiders buying or selling?
4D Molecular Therapeutics, Inc. insiders reported 5 open-market buys ($51.1M) and 45 sells ($27.7M) across 50 Form 4 filings — a net buying position of $23.4M.
Source: SEC EDGAR Form 4
Key Statistics (as of Sep 3, 2026)
Total Form 4 filings
50
SEC EDGAR
Insider filers
9
Insider buys (5)
$51.1M
Insider sells (45)
$27.7M
Insider sentiment
Net buyingNet insider flow of $23.4M in net buying.
Recent FDMT insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 3, 2026 | Scott Bizily | Chief Legal Officer | Sale | 584 | $14.00 | $8.2K |
| Aug 21, 2026 | David Kirn | President and Chief Executive Officer | Sale | 69.1K | $15.75 | $1.1M |
| Aug 17, 2026 | Scott Bizily | Chief Legal Officer | Sale | 3.3K | $12.10 | $39.6K |
| Aug 5, 2026 | David Kirn | Director | Sale | 26.8K | $10.23 | $274.6K |
| Aug 4, 2026 | David Kirn | President and Chief Executive Officer | Sale | 12.4K | $10.05 | $124.7K |
| Jul 14, 2026 | David Kirn | President and Chief Executive Officer | Sale | 58.3K | $12.64 | $737.4K |
| Jul 2, 2026 | Scott Bizily | Chief Legal Officer | Sale | 6.6K | $14.00 | $91.9K |
| Jun 25, 2026 | Scott Bizily | Chief Legal Officer | Sale | 9.8K | $12.00 | $117.7K |
| Jun 23, 2026 | David Kirn | President and Chief Executive Officer | Sale | 114.7K | $10.47 | $1.2M |
| Jun 2, 2026 | David Kirn | President and Chief Executive Officer | Sale | 1.9K | $10.02 | $19.3K |
| Mar 24, 2026 | Ashoo Gupta | VP, Finance and Controller | Sale | 390 | $8.61 | $3.4K |
| Dec 24, 2025 | Ashoo Gupta | VP, Finance and Controller | Sale | 389 | $8.68 | $3.4K |
| Dec 19, 2025 | Scott Bizily | Chief Legal Officer | Sale | 1.6K | $10.90 | $17.8K |
| Oct 27, 2025 | Scott Bizily | Chief Legal Officer | Sale | 2.7K | $12.00 | $32.1K |
| Oct 20, 2025 | Scott Bizily | Chief Legal Officer | Sale | 1.6K | $10.17 | $16.6K |
| Oct 14, 2025 | Scott Bizily | Chief Legal Officer | Sale | 2.4K | $10.00 | $24.1K |
| Sep 27, 2025 | Scott Bizily | Chief Legal Officer | Sale | 2.4K | $8.00 | $19.3K |
| Sep 18, 2024 | Scott Bizily | Chief Legal Officer | Sale | 500 | $16.33 | $8.2K |
| Aug 21, 2024 | Scott Bizily | Chief Legal Officer | Sale | 500 | $15.00 | $7.5K |
| Jul 19, 2024 | Scott Bizily | Chief Legal Officer | Sale | 1.8K | $27.11 | $47.4K |
| Jul 15, 2024 | Scott Bizily | Chief Legal Officer | Sale | 2.0K | $25.00 | $49.9K |
| Jul 12, 2024 | David Kirn | Chief Executive Officer | Sale | 12.9K | $22.49 | $290.6K |
| Jul 3, 2024 | Scott Bizily | Chief Legal Officer | Sale | 4.2K | $21.36 | $90.8K |
| Jun 26, 2024 | David Kirn | Chief Executive Officer | Sale | 12.9K | $23.10 | $298.7K |
| Jun 20, 2024 | Scott Bizily | Chief Legal Officer | Sale | 1.8K | $23.71 | $41.5K |
Showing the 25 most recent of 50 Form 4 filings for 4D Molecular Therapeutics, Inc..
Most active FDMT insiders
- Scott Bizily24 filings
- David Kirn14 filings
- SCHAFFER DAVID3 filings
- Ole Andreas Halvorsen3 filings
- Ashoo Gupta2 filings
Ask anything about FDMT insider activity
Use Trabud's AI agent to query 4D Molecular Therapeutics, Inc.'s Form 4 history in plain English — "Show me FDMT CEO purchases this year" or compare it against any other ticker.
Open the AI agentFDMT insider trading FAQ
Are 4D Molecular Therapeutics, Inc. insiders buying or selling?
Across 50 SEC Form 4 filings, 4D Molecular Therapeutics, Inc. (FDMT) insiders reported 5 open-market purchases totaling $51.1M and 45 sales totaling $27.7M. That is a net buying position of $23.4M.
How many insiders trade FDMT stock?
9 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for 4D Molecular Therapeutics, Inc.. The most recent filing was accepted on Sep 3, 2026.
Where does Trabud get FDMT insider trading data?
All FDMT insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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