4D Molecular Therapeutics, Inc. (FDMT) Insider Trading
Over the last 3 months, FDMT insiders made 0 open-market buys and 3 sales, a net sale of -$23K (SEC Form 4). Over the last 6 months, 105 institutions increased and 86 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$22.6K
Insider trades by month Buys Sells
Sep
Oct
Nov
Dec
Mar
Jun
Context3-month price +15.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Kirn Daviddirector, officer: See Remarks | Sell | 1,922 | $10.02 |
| Mar 27, 2026 | Kirn Daviddirector, officer: Chief Executive Officer | Grant | 750,000 | $9.88 |
| Mar 27, 2026 | Bizily Scottofficer: Chief Legal Officer | Grant | 217,000 | $9.88 |
| Mar 27, 2026 | Simms Christopher Paulofficer: See Remarks | Grant | 219,000 | $9.88 |
| Mar 24, 2026 | Gupta Ashooofficer: VP, Finance and Controller | Option | 221 | — |
| Mar 24, 2026 | Gupta Ashooofficer: VP, Finance and Controller | Sell | 310 | $8.61 |
| Mar 24, 2026 | Gupta Ashooofficer: VP, Finance and Controller | Option | 865 | — |
| Mar 24, 2026 | Gupta Ashooofficer: VP, Finance and Controller | Sell | 80 | $8.61 |
| Jan 7, 2026 | SBLENDORIO GLENNdirector | Grant | 45,000 | $7.30 |
| Dec 23, 2025 | Gupta Ashooofficer: VP, Finance and Controller | Option | 220 | — |
| Dec 23, 2025 | Gupta Ashooofficer: VP, Finance and Controller | Sell | 79 | $8.68 |
| Dec 23, 2025 | Gupta Ashooofficer: VP, Finance and Controller | Option | 866 | — |
| Dec 23, 2025 | Gupta Ashooofficer: VP, Finance and Controller | Sell | 310 | $8.68 |
| Dec 19, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 1,635 | $10.90 |
| Dec 19, 2025 | Bizily Scottofficer: Chief Legal Officer | Option | 1,635 | $4.14 |
| Dec 16, 2025 | THEUER CHARLESdirector | Option | 9,333 | $1.14 |
| Dec 11, 2025 | Humer Kristianofficer: Chief Financial Officer | Grant | 480,000 | $10.51 |
| Nov 19, 2025 | Bizily Scottofficer: Chief Legal Officer | Option | 1,635 | $4.14 |
| Nov 19, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 1,635 | $10.59 |
| Oct 27, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 2,678 | $12.00 |
| Oct 27, 2025 | Bizily Scottofficer: Chief Legal Officer | Option | 1,084 | $6.49 |
| Oct 20, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 1,635 | $10.17 |
| Oct 20, 2025 | Bizily Scottofficer: Chief Legal Officer | Option | 1,635 | $4.14 |
| Oct 14, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 2,408 | $10.00 |
| Sep 26, 2025 | Bizily Scottofficer: Chief Legal Officer | Sell | 2,407 | $8.00 |
| Jun 20, 2025 | THEUER CHARLESdirector | Grant | 22,500 | $4.15 |
| Jun 20, 2025 | Miller-Rich Nancydirector | Grant | 22,500 | $4.15 |
| Jun 20, 2025 | MILLIGAN JOHN Fdirector | Grant | 33,750 | $4.15 |
| Jun 20, 2025 | Chacko Jacobdirector | Grant | 22,500 | $4.15 |
| Jun 20, 2025 | GRAY SUSANNAHdirector | Grant | 22,500 | $4.15 |
Source: FDMT SEC Form 4 filings, latest Jun 2, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their FDMT positions over the last 6 months (SEC Form 13F).
Increased
105
New positions
55
Reduced
86
Sold out
38
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | Increased | 5.7M | Feb 17, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 5.2M | May 18, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | Reduced | 5.0M | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 4.6M | Feb 17, 2026 |
| BVF INC/IL | Unchanged | 4.6M | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 4.3M | Mar 25, 2026 |
| GOLDMAN SACHS GROUP INC | Reduced | 4.2M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 4.1M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 4.1M | Feb 12, 2026 |
| NOVO HOLDINGS A/S | Unchanged | 3.7M | May 15, 2026 |
| NOVO HOLDINGS A/S | Increased | 3.7M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 3.1M | Jan 29, 2026 |
| BVF INC/IL | Reduced | 2.9M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.7M | May 15, 2026 |
| STATE STREET CORP | Increased | 2.7M | Feb 13, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.