| $350M | ||
| $217M | ||
| $172M | ||
| $109M | ||
| $107M | ||
| $104M |
Buys | $0 | 0 | 0 |
Sells | $5,352,621 | 20 | 100 |
| Gupta Ashoo | VP, Finance and Controller | 0 | $0 | 2 | $6,734 | $-6,734 |
| Bizily Scott | Chief Legal Officer | 0 | $0 | 9 | $335,834 | $-335,834 |
| Kirn David | See Remarks | 0 | $0 | 9 | $5.01M | $-5.01M |
4D Molecular Therapeutics, Inc. is a clinical-stage gene therapy company that engineers therapeutic agents by leveraging its proprietary adeno-associated virus (AAV) vector technology. The company's developmental efforts are concentrated across a trio of therapeutic fields: ophthalmology (eye conditions), cardiology (heart ailments), and pulmonology (respiratory disorders). Within its active pipeline, three specific product candidates have advanced into clinical trial phases, all currently undergoing Phase 1/2 clinical assessment: 4D-125 is …
Over the last 12 months, insiders at 4D Molecular Therapeutics, Inc. have bought $0 and sold $5.35M worth of 4D Molecular Therapeutics, Inc. stock.
On average, over the past 5 years, insiders at 4D Molecular Therapeutics, Inc. have bought $13.6M and sold $6.48M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 850,000 shares for transaction amount of $13.6M was made by VIKING GLOBAL INVESTORS LP (10 percent owner) on 2023‑05‑09.
| 2026-10-16 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.0031% | $12.84 | $20,993 | -1.52% | |
| 2026-10-05 | Sale | Kirn David | See Remarks | 58,333 0.083% | $12.92 | $753,937 | -4.33% | |
| 2026-09-16 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.0031% | $13.65 | $22,318 | -6.29% | |
| 2026-09-14 | Sale | Kirn David | See Remarks | 58,333 0.0839% | $13.90 | $811,004 | -6.07% | |
| 2026-09-01 | Sale | Bizily Scott | Chief Legal Officer | 584 0.0011% | $14.00 | $8,176 | -7.67% | |
| 2026-08-19 | Sale | Kirn David | See Remarks | 69,076 0.1242% | $15.75 | $1.09M | -17.90% | |
| 2026-08-17 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.002% | $12.20 | $19,947 | -5.43% | |
| 2026-08-13 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.0024% | $12.00 | $19,620 | +18.11% | |
| 2026-08-04 | Sale | Kirn David | See Remarks | 26,842 0.0512% | $10.23 | $274,596 | +32.16% | |
| 2026-08-03 | Sale | Kirn David | See Remarks | 12,415 0.0182% | $10.05 | $124,722 | +33.70% | |
| 2026-07-10 | Sale | Kirn David | See Remarks | 15,725 0.0294% | $12.03 | $189,233 | +3.82% | |
| 2026-07-09 | Sale | Kirn David | See Remarks | 42,608 0.0814% | $12.87 | $548,177 | -1.16% | |
| 2026-06-30 | Sale | Bizily Scott | Chief Legal Officer | 6,566 0.0132% | $14.00 | $91,924 | -3.76% | |
| 2026-06-23 | Sale | Bizily Scott | Chief Legal Officer | 9,810 0.0194% | $12.00 | $117,720 | +10.17% | |
| 2026-06-22 | Sale | Kirn David | See Remarks | 114,746 0.2205% | $10.47 | $1.2M | +22.36% | |
| 2026-06-01 | Sale | Kirn David | See Remarks | 1,922 0.0038% | $10.02 | $19,258 | +27.03% | |
| 2026-03-20 | Sale | Gupta Ashoo | VP, Finance and Controller | 390 0.0008% | $8.61 | $3,358 | +27.64% | |
| 2025-12-20 | Sale | Gupta Ashoo | VP, Finance and Controller | 389 0.0008% | $8.68 | $3,377 | +13.95% | |
| 2025-12-16 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.0033% | $10.90 | $17,822 | -13.98% | |
| 2025-11-17 | Sale | Bizily Scott | Chief Legal Officer | 1,635 0.0034% | $10.59 | $17,315 | -8.04% |
| VIKING GLOBAL INVESTORS LP | 10 percent owner | 4247914 7.6893% | $50.76M | 2 | 1 | <0.0001% |
| YAO TONY DUNG LING | director | 1060880 1.9203% | $12.68M | 1 | 0 | <0.0001% |
| MILLIGAN JOHN F | director | 100000 0.181% | $1.2M | 1 | 0 | <0.0001% |
| Kamal Fariborz | See Remarks | 4347 0.0079% | $51,946.65 | 1 | 0 | <0.0001% |
$10,154,205 | 103 | -4.60% | $631.34M | |
$860,541,348 | 82 | -5.10% | $649.64M | |
$1,108,102,085 | 66 | 36.91% | $755.04M | |
$1,344,238 | 38 | 23.07% | $639.18M | |
$59,156,363 | 22 | 29.25% | $686.5M |
| Increased Positions | 89 | +67.94% | 17M | +42.68% |
| Decreased Positions | 52 | -39.69% | 3M | -7.65% |
| New Positions | 33 | New | 5M | New |
| Sold Out Positions | 14 | Sold Out | 220,351 | Sold Out |
| Total Postitions | 168 | +28.24% | 53M | +35.02% |
| Bvf Inc/Il | $33,886.00 | 8.42% | 4.63M | 0 | 0% | 2025-09-30 |
| Ra Capital Management, L.P. | $33,403.00 | 8.3% | 4.56M | 0 | 0% | 2025-09-30 |
| Goldman Sachs Group Inc | $30,220.00 | 7.51% | 4.13M | -30,848 | -0.74% | 2025-09-30 |
| Blackrock, Inc. | $28,322.00 | 7.04% | 3.87M | -141,625 | -3.53% | 2025-09-30 |
| Vanguard Group Inc | $18,850.00 | 4.68% | 2.58M | -161,549 | -5.9% | 2025-09-30 |
| Novo Holdings A/S | $14,640.00 | 3.64% | 2M | 0 | 0% | 2025-09-30 |
| Janus Henderson Group Plc | $12,835.00 | 3.19% | 1.75M | -1,043 | -0.06% | 2025-09-30 |
| Federated Hermes, Inc. | $11,674.00 | 2.9% | 1.59M | -72,506 | -4.35% | 2025-09-30 |
| Millennium Management Llc | $8,414.00 | 2.09% | 1.15M | -334,323 | -22.53% | 2025-09-30 |
| Armistice Capital, Llc | $8,023.00 | 1.99% | 1.1M | +796,000 | +265.33% | 2025-09-30 |