FDMT
Healthcare4D Molecular Therapeutics, Inc.
$8.35-0.10 (-1.24%)
Prev Close
$8.45
Open
$8.55
High
$8.98
Low
$8.28
Volume
308.2K
Market Cap
$444.1M
P/E
—
Div Yield
—
Over the past 12 months, insider activity at 4D Molecular Therapeutics, Inc. (FDMT) has been exclusively selling, with 0 insider purchases totaling $0.00 and 7 insider sales totaling $130.6K. The most recent insider transaction was by Gupta Ashoo (VP, Finance and Controller), who sold $3.4K worth of shares on Dec 23, 2025. 4D Molecular Therapeutics, Inc. operates in the Healthcare sector, within the Biotechnology industry, with a market cap of $444.1M.
Buys (12M)
0
$0.00
Sells (12M)
7
$130.6K
Net Activity
Net Seller
$130.6K
Active Insiders
2
last 12 mo
FDMT Price Chart
FDMT Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 23, 2025↗ | Gupta Ashoo | VP, Finance and Controller | Sell | 389 | $8.68 | $3.4K | 46,359 |
| Dec 19, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.90 | $17.8K | 3,594 |
| Nov 19, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.59 | $17.3K | 3,594 |
| Oct 27, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,678 | $12.00 | $32.1K | 3,594 |
| Oct 20, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.17 | $16.6K | 5,188 |
| Oct 14, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,408 | $10.00 | $24.1K | 5,188 |
| Sep 26, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,407 | $8.00 | $19.3K | 7,596 |
| Sep 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 500 | $16.33 | $8.2K | 6,781 |
| Aug 21, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 500 | $15.00 | $7.5K | 6,781 |
| Jul 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $27.11 | $47.4K | 6,781 |
| Jul 15, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,996 | $25.00 | $49.9K | 6,781 |
| Jul 12, 2024↗ | Kirn David | Chief Executive Officer | Sell | 12,923 | $22.49 | $290.6K | 1,059,150 |
| Jun 26, 2024↗ | Kirn David | Chief Executive Officer | Sell | 12,930 | $23.10 | $298.7K | 1,059,150 |
| Jun 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $23.71 | $41.5K | 1,737 |
| May 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $25.45 | $44.5K | 2,204 |
| Apr 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $25.74 | $45.0K | 1,737 |
| Apr 3, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 8,153 | $31.78 | $259.1K | 1,737 |
| Mar 29, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 5,833 | $35.04 | $204.4K | 1,737 |
| Mar 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $31.27 | $54.7K | 1,737 |
| Feb 29, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,909 | $30.00 | $57.3K | 1,737 |
| Feb 21, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $27.67 | $48.4K | 1,737 |
| Feb 12, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 6,244 | $27.50 | $171.7K | 1,737 |
| Feb 12, 2024↗ | Kirn David | Chief Executive Officer | Sell | 92,001 | $27.13 | $2.50M | 1,059,150 |
| Feb 7, 2024↗ | Kim Robert Young | Chief Medical Officer | Sell | 24,552 | $30.05 | $737.8K | 1,595 |
| Jan 25, 2024↗ | Kirn David | Chief Executive Officer | Sell | 5,696 | $18.41 | $104.9K | 1,151,150 |
| Jan 8, 2024↗ | Kirn David | Chief Executive Officer | Sell | 102,303 | $19.15 | $1.96M | 1,230,520 |
| Jan 5, 2024↗ | VIKING GLOBAL INVESTORS LP | Sell | 540,000 | $19.53 | $10.55M | 4,247,910 | |
| Jun 12, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 3,750 | $20.85 | $78.2K | 1,737 |
| Jun 6, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 2,247 | $18.31 | $41.1K | 1,737 |
| May 11, 2023↗ | VIKING GLOBAL INVESTORS LP | Buy | 850,000 | $16.00 | $13.60M | 4,787,910 | |
| Apr 25, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 3,750 | $20.00 | $75.0K | 2,109 |
| Apr 25, 2023↗ | Chacko Jacob | Sell | 5,000 | $20.05 | $100.3K | 0 | |
| Mar 3, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 2,248 | $19.30 | $43.4K | 2,109 |
| Feb 23, 2023↗ | Kirn David | Chief Executive Officer | Sell | 34,446 | $20.61 | $709.9K | 1,876,510 |
| Jan 23, 2023↗ | Kirn David | Chief Executive Officer | Sell | 19,524 | $20.10 | $392.5K | 1,902,220 |
| Dec 19, 2022↗ | Kirn David | Chief Executive Officer | Sell | 86,877 | $23.23 | $2.02M | 1,968,570 |
| Dec 5, 2022↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 6,000 | $22.79 | $136.7K | 5,607 |
| Oct 22, 2021↗ | SCHAFFER DAVID | Director | Sell | 36,285 | $31.36 | $1.14M | 925,935 |
| Oct 1, 2021↗ | SCHAFFER DAVID | Director | Sell | 29,256 | $27.89 | $815.9K | 958,950 |
| Sep 29, 2021↗ | SCHAFFER DAVID | Director | Sell | 33,244 | $31.90 | $1.06M | 986,925 |
FDMT Insider Buying Activity
The following table shows recent insider purchases of 4D Molecular Therapeutics, Inc. (FDMT) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| May 11, 2023↗ | VIKING GLOBAL INVESTORS LP | Buy | 850,000 | $16.00 | $13.60M | 4,787,910 |
FDMT Insider Selling Activity
The following table shows recent insider sales of 4D Molecular Therapeutics, Inc. (FDMT) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Dec 23, 2025↗ | Gupta Ashoo | VP, Finance and Controller | Sell | 389 | $8.68 | $3.4K | 46,359 |
| Dec 19, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.90 | $17.8K | 3,594 |
| Nov 19, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.59 | $17.3K | 3,594 |
| Oct 27, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,678 | $12.00 | $32.1K | 3,594 |
| Oct 20, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 1,635 | $10.17 | $16.6K | 5,188 |
| Oct 14, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,408 | $10.00 | $24.1K | 5,188 |
| Sep 26, 2025↗ | Bizily Scott | Chief Legal Officer | Sell | 2,407 | $8.00 | $19.3K | 7,596 |
| Sep 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 500 | $16.33 | $8.2K | 6,781 |
| Aug 21, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 500 | $15.00 | $7.5K | 6,781 |
| Jul 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $27.11 | $47.4K | 6,781 |
| Jul 15, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,996 | $25.00 | $49.9K | 6,781 |
| Jul 12, 2024↗ | Kirn David | Chief Executive Officer | Sell | 12,923 | $22.49 | $290.6K | 1,059,150 |
| Jun 26, 2024↗ | Kirn David | Chief Executive Officer | Sell | 12,930 | $23.10 | $298.7K | 1,059,150 |
| Jun 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $23.71 | $41.5K | 1,737 |
| May 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $25.45 | $44.5K | 2,204 |
| Apr 18, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $25.74 | $45.0K | 1,737 |
| Apr 3, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 8,153 | $31.78 | $259.1K | 1,737 |
| Mar 29, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 5,833 | $35.04 | $204.4K | 1,737 |
| Mar 20, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $31.27 | $54.7K | 1,737 |
| Feb 29, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,909 | $30.00 | $57.3K | 1,737 |
| Feb 21, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 1,750 | $27.67 | $48.4K | 1,737 |
| Feb 12, 2024↗ | Bizily Scott | Chief Legal Officer | Sell | 6,244 | $27.50 | $171.7K | 1,737 |
| Feb 12, 2024↗ | Kirn David | Chief Executive Officer | Sell | 92,001 | $27.13 | $2.50M | 1,059,150 |
| Feb 7, 2024↗ | Kim Robert Young | Chief Medical Officer | Sell | 24,552 | $30.05 | $737.8K | 1,595 |
| Jan 25, 2024↗ | Kirn David | Chief Executive Officer | Sell | 5,696 | $18.41 | $104.9K | 1,151,150 |
| Jan 8, 2024↗ | Kirn David | Chief Executive Officer | Sell | 102,303 | $19.15 | $1.96M | 1,230,520 |
| Jan 5, 2024↗ | VIKING GLOBAL INVESTORS LP | Sell | 540,000 | $19.53 | $10.55M | 4,247,910 | |
| Jun 12, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 3,750 | $20.85 | $78.2K | 1,737 |
| Jun 6, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 2,247 | $18.31 | $41.1K | 1,737 |
| Apr 25, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 3,750 | $20.00 | $75.0K | 2,109 |
| Apr 25, 2023↗ | Chacko Jacob | Sell | 5,000 | $20.05 | $100.3K | 0 | |
| Mar 3, 2023↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 2,248 | $19.30 | $43.4K | 2,109 |
| Feb 23, 2023↗ | Kirn David | Chief Executive Officer | Sell | 34,446 | $20.61 | $709.9K | 1,876,510 |
| Jan 23, 2023↗ | Kirn David | Chief Executive Officer | Sell | 19,524 | $20.10 | $392.5K | 1,902,220 |
| Dec 19, 2022↗ | Kirn David | Chief Executive Officer | Sell | 86,877 | $23.23 | $2.02M | 1,968,570 |
| Dec 5, 2022↗ | Bizily Scott | Chief Legal and HR Officer | Sell | 6,000 | $22.79 | $136.7K | 5,607 |
| Oct 22, 2021↗ | SCHAFFER DAVID | Director | Sell | 36,285 | $31.36 | $1.14M | 925,935 |
| Oct 1, 2021↗ | SCHAFFER DAVID | Director | Sell | 29,256 | $27.89 | $815.9K | 958,950 |
| Sep 29, 2021↗ | SCHAFFER DAVID | Director | Sell | 33,244 | $31.90 | $1.06M | 986,925 |
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