4D Molecular Therapeutics Inc
Ownership
Ownership Structure
Who owns 4D Molecular Therapeutics Inc (FDMT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.8% of the shares are freely tradable; institutional investors hold 98.4%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| HHG PLC | 9.50 | 5,247,151 | +13.2 | 03/31/2026 |
| RA Capital Management, LLC | 9.14 | 5,049,779 | -10.7 | 03/31/2026 |
| The Goldman Sachs Group Inc | 7.61 | 4,205,438 | -2.3 | 03/31/2026 |
| BlackRock Inc | 7.50 | 4,145,303 | +2.0 | 03/31/2026 |
| Novo A/S | 6.61 | 3,650,737 | +0.0 | 03/31/2026 |
| Bvf Inc | 5.21 | 2,879,289 | -37.8 | 03/31/2026 |
| State Street Corp | 4.90 | 2,707,875 | +0.7 | 03/31/2026 |
| Adage Capital Partners Gp LLC | 4.07 | 2,249,203 | +40.1 | 06/30/2026 |
| Trails Edge Capital Partners, LP | 4.03 | 2,227,917 | +71.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.97 | 2,195,578 | +0.0 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Kirn David | See Remarks | 767,486 | 11,282,044 $ | Sep 14, 2026 | direct |
| Bizily Scott | Chief Legal Officer | 8,617 | 126,670 $ | Sep 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Kirn David | See Remarks | Sell | 58,333 | 13.90 | 811,004 |
| Sep 1, 2026 | Bizily Scott | Chief Legal Officer | Sell | 584 | 14.00 | 8,176 |
| Sep 1, 2026 | Bizily Scott | Chief Legal Officer | Other | 584 | 6.49 | 3,790 |
| Aug 19, 2026 | Kirn David | See Remarks | Sell | 25,927 | 16.42 | 425,651 |
| Aug 19, 2026 | Kirn David | See Remarks | Sell | 43,149 | 15.36 | 662,622 |
| Aug 19, 2026 | Kirn David | See Remarks | Other | 50,000 | 4.14 | 207,000 |
| Aug 17, 2026 | Bizily Scott | Chief Legal Officer | Sell | 1,635 | 12.20 | 19,947 |
| Aug 17, 2026 | Bizily Scott | Chief Legal Officer | Other | 1,635 | 4.14 | 6,769 |
| Aug 13, 2026 | Bizily Scott | Chief Legal Officer | Sell | 1,635 | 12.00 | 19,620 |
| Aug 13, 2026 | Bizily Scott | Chief Legal Officer | Other | 1,635 | 4.14 | 6,769 |
| Aug 4, 2026 | Kirn David | See Remarks | Sell | 26,842 | 10.23 | 274,596 |
| Aug 3, 2026 | Kirn David | See Remarks | Sell | 12,415 | 10.05 | 124,722 |
| Jul 10, 2026 | Kirn David | See Remarks | Sell | 442 | 12.84 | 5,673 |
| Jul 10, 2026 | Kirn David | See Remarks | Sell | 15,283 | 12.01 | 183,560 |
| Jul 9, 2026 | Kirn David | See Remarks | Sell | 42,608 | 12.87 | 548,177 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.