There have been 50 recent insider transactions recorded for 4D Molecular Therapeutics, Inc. (FDMT), including 23 buys and 22 sells. Total insider buying was valued at $24.29M and total insider selling at $905.8K.
Notable insiders with recent activity include Kirn David, Simms Christopher Paul, Bizily Scott. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — FDMT
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-25 |
Kirn David |
Chief Executive Officer |
RSU Award |
750,000 |
$9.88 |
$7.41M |
750,000 |
| 2026-03-25 |
Simms Christopher Paul |
See Remarks |
RSU Award |
219,000 |
$9.88 |
$2.16M |
219,000 |
| 2026-03-25 |
Bizily Scott |
Chief Legal Officer |
RSU Award |
217,000 |
$9.88 |
$2.14M |
217,000 |
| 2026-03-20 |
Gupta Ashoo |
VP, Finance and Controller |
Option Exercise (Sell) |
221 |
- |
- |
3,087 |
| 2026-01-05 |
Sblendorio Glenn |
Director |
Unknown |
11,250 |
$2.76 |
$31.05K |
- |
| 2026-01-05 |
Sblendorio Glenn |
Director |
RSU Award |
45,000 |
$7.30 |
$328.5K |
45,000 |
| 2025-12-20 |
Gupta Ashoo |
VP, Finance and Controller |
Option Exercise (Sell) |
220 |
- |
- |
3,308 |
| 2025-12-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,635 |
$10.90 |
$17.82K |
3,594 |
| 2025-12-12 |
Theuer Charles |
Director |
Option Exercise (Sell) |
9,333 |
$1.14 |
$10.64K |
- |
| 2025-12-09 |
Humer Kristian |
Officer |
Unknown |
- |
- |
- |
- |
| 2025-12-09 |
Humer Kristian |
Chief Financial Officer |
RSU Award |
480,000 |
$10.51 |
$5.04M |
480,000 |
| 2025-12-09 |
Simms Christopher Paul |
See Remarks |
Unknown |
300,000 |
$9.38 |
$2.81M |
- |
| 2025-11-17 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,635 |
$10.59 |
$17.31K |
3,594 |
| 2025-10-24 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
2,678 |
$12.00 |
$32.14K |
3,594 |
| 2025-10-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,635 |
$10.17 |
$16.63K |
5,188 |
| 2025-10-09 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
2,408 |
$10.00 |
$24.08K |
5,188 |
| 2025-09-30 |
Gupta Ashoo |
VP, Finance and Controller |
Unknown |
3,528 |
- |
- |
- |
| 2025-09-23 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
2,407 |
$8.00 |
$19.26K |
7,596 |
| 2025-06-17 |
Milligan John F |
Director |
RSU Award |
33,750 |
$4.15 |
$140.06K |
33,750 |
| 2025-06-17 |
Chacko Jacob |
Director |
RSU Award |
22,500 |
$4.15 |
$93.38K |
22,500 |
| 2025-06-17 |
Tomasello Shawn |
Director |
RSU Award |
22,500 |
$4.15 |
$93.38K |
22,500 |
| 2025-06-17 |
Theuer Charles |
Director |
RSU Award |
22,500 |
$4.15 |
$93.38K |
22,500 |
| 2025-06-17 |
Miller-rich Nancy |
Director |
RSU Award |
22,500 |
$4.15 |
$93.38K |
22,500 |
| 2025-06-17 |
Gray Susannah |
Director |
RSU Award |
22,500 |
$4.15 |
$93.38K |
22,500 |
| 2025-03-06 |
Kamal Fariborz |
President & COO |
RSU Award |
178,400 |
$4.14 |
$738.58K |
178,400 |
| 2025-03-06 |
Kirn David |
Chief Executive Officer |
RSU Award |
267,500 |
$4.14 |
$1.11M |
267,500 |
| 2025-03-06 |
Mehra Uneek |
See Remarks |
RSU Award |
130,000 |
$4.14 |
$538.2K |
130,000 |
| 2025-03-06 |
Bizily Scott |
Chief Legal Officer |
RSU Award |
78,500 |
$4.14 |
$324.99K |
78,500 |
| 2025-03-06 |
Kim Robert Young |
Chief Medical Officer |
RSU Award |
92,300 |
$4.14 |
$382.12K |
92,300 |
| 2024-12-09 |
Ra Capital Management, L.p. |
10 Percent Owner |
Other (Buy) |
535,000 |
$0.00 |
$53.50 |
3,610,000 |
| 2024-11-13 |
Ra Capital Management, L.p. |
10 Percent Owner |
Unknown |
3,637,430 |
- |
- |
- |
| 2024-11-08 |
Bvf Partners L P/il |
Other: See Explanation of Responses |
Other (Sell) |
240,000 |
- |
- |
87,911 |
| 2024-09-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
500 |
$16.33 |
$8.17K |
6,781 |
| 2024-08-19 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
500 |
$15.00 |
$7.5K |
6,781 |
| 2024-07-22 |
Bvf Partners L P/il |
10 Percent Owner |
Disposition |
- |
- |
- |
327,911 |
| 2024-07-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,750 |
$27.11 |
$47.44K |
6,781 |
| 2024-07-11 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,996 |
$25.00 |
$49.9K |
6,781 |
| 2024-07-10 |
Kirn David |
Chief Executive Officer |
Option Exercise (Sell) |
1,270 |
$15.78 |
$20.04K |
148,730 |
| 2024-07-01 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
4,248 |
$21.36 |
$90.76K |
1,737 |
| 2024-06-24 |
Kirn David |
Chief Executive Officer |
Option Exercise (Sell) |
12,930 |
$14.42 |
$186.45K |
577,070 |
| 2024-06-17 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,750 |
$23.71 |
$41.49K |
1,737 |
| 2024-05-21 |
Milligan John F |
Director |
RSU Award |
26,791 |
$25.15 |
$673.79K |
26,791 |
| 2024-05-21 |
Chacko Jacob |
Director |
RSU Award |
22,500 |
$25.15 |
$565.88K |
22,500 |
| 2024-05-21 |
Tomasello Shawn |
Director |
RSU Award |
22,500 |
$25.15 |
$565.88K |
22,500 |
| 2024-05-21 |
Theuer Charles |
Director |
RSU Award |
22,500 |
$25.15 |
$565.88K |
22,500 |
| 2024-05-21 |
Miller-rich Nancy |
Director |
RSU Award |
22,500 |
$25.15 |
$565.88K |
22,500 |
| 2024-05-21 |
Gray Susannah |
Director |
RSU Award |
22,500 |
$25.15 |
$565.88K |
22,500 |
| 2024-05-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
467 |
$25.75 |
$12.03K |
1,737 |
| 2024-04-16 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
1,750 |
$25.74 |
$45.05K |
1,737 |
| 2024-04-01 |
Bizily Scott |
Chief Legal Officer |
Informative Sell |
8,153 |
$31.78 |
$259.1K |
1,737 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
