4D Molecular Therapeutics, Inc.
Total Trades
49
Buys
1
Sells
27
Largest Trade
N/A
Insiders
6
Institutional Funds
109
Inst. Value
$1M+
Activist Filings
47
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Gupta Ashoo | VP | SELL | $1K–$15K | 389 | $8.68 | Dec 24, 2025 |
| Gupta Ashoo | VP | EXERCISE | N/A | 1K | — | Dec 24, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $10.90 | Dec 19, 2025 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $4.14 | Dec 19, 2025 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $4.14 | Nov 20, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $10.59 | Nov 20, 2025 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 1K | $6.49 | Oct 27, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 3K | $12.00 | Oct 27, 2025 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $4.14 | Oct 20, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $10.17 | Oct 20, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $8.00 | Sep 27, 2025 |
| Bizily Scott | Chief Legal Officer | SELL | $1K–$15K | 500 | $15.00 | Aug 21, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 500 | $6.49 | Aug 21, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $50K–$100K | 4K | $21.36 | Jul 3, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $15K–$50K | 4K | $7.55 | Jul 3, 2024 |
| Kirn David | CEO | SELL | $100K–$500K | 13K | $23.10 | Jun 26, 2024 |
| Kirn David | CEO | EXERCISE | $100K–$500K | 13K | $14.42 | Jun 26, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $7.60 | Jun 20, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $23.71 | Jun 20, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $25.74 | Apr 19, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $7.60 | Apr 19, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $100K–$500K | 8K | $12.54 | Apr 3, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $100K–$500K | 8K | $31.78 | Apr 3, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $100K–$500K | 6K | $25.98 | Mar 29, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $100K–$500K | 6K | $35.04 | Mar 29, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $50K–$100K | 2K | $31.27 | Mar 20, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $7.60 | Mar 20, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $15K–$50K | 2K | $20.24 | Feb 29, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $50K–$100K | 2K | $30.00 | Feb 29, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $1K–$15K | 2K | $7.60 | Feb 21, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $15K–$50K | 2K | $27.67 | Feb 21, 2024 |
| Bizily Scott | Chief Legal Officer | EXERCISE | $50K–$100K | 6K | $10.18 | Feb 13, 2024 |
| Bizily Scott | Chief Legal Officer | SELL | $100K–$500K | 6K | $27.50 | Feb 13, 2024 |
| Kirn David | CEO | SELL | $1M+ | 92K | $27.13 | Feb 13, 2024 |
| Kim Robert Young | Chief Medical Offi… | EXERCISE | $100K–$500K | 24K | $15.29 | Feb 8, 2024 |
| Kim Robert Young | Chief Medical Offi… | SELL | $500K+ | 25K | $30.05 | Feb 8, 2024 |
| Kirn David | CEO | SELL | $100K–$500K | 6K | $18.41 | Jan 25, 2024 |
| VIKING GLOBAL INVESTORS LP | 10% Owner | BUY | $1M+ | 850K | $16.00 | May 11, 2023 |
| Bizily Scott | Chief Legal and HR… | SELL | $50K–$100K | 4K | $20.00 | Apr 25, 2023 |
| Bizily Scott | Chief Legal and HR… | EXERCISE | $15K–$50K | 4K | $8.04 | Apr 25, 2023 |
| Chacko Jacob | Director | EXERCISE | $15K–$50K | 5K | $9.41 | Apr 25, 2023 |
| Chacko Jacob | Director | SELL | $100K–$500K | 5K | $20.05 | Apr 25, 2023 |
| Bizily Scott | Chief Legal and HR… | EXERCISE | $1K–$15K | 2K | $6.49 | Mar 3, 2023 |
| Bizily Scott | Chief Legal and HR… | SELL | $15K–$50K | 2K | $19.30 | Mar 3, 2023 |
| Kirn David | CEO | SELL | $500K+ | 34K | $20.61 | Feb 24, 2023 |
| Kirn David | CEO | SELL | $100K–$500K | 20K | $20.10 | Jan 24, 2023 |
| Kirn David | CEO | SELL | $1M+ | 87K | $23.23 | Dec 19, 2022 |
| Bizily Scott | Chief Legal and HR… | SELL | $100K–$500K | 6K | $22.79 | Dec 5, 2022 |
| Bizily Scott | Chief Legal and HR… | EXERCISE | $15K–$50K | 6K | $7.52 | Dec 5, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 109 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 5.7M | $1M+ | SH |
| Novo Holdings A/S | 3.7M | $1M+ | SH |
| STATE STREET CORP | 2.7M | $1M+ | SH |
| Point72 Asset Management, L.P. | 1.5M | $1M+ | SH |
| Evergreen Quality Fund GP, Ltd. | 951K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 872K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 513K | $1M+ | SH |
| DEUTSCHE BANK AG\ | 506K | $1M+ | SH |
| ArrowMark Colorado Holdings LLC | 485K | $1M+ | SH |
| RAYMOND JAMES FINANCIAL INC | 462K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 421K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 353K | $1M+ | SH |
| Assenagon Asset Management S.A. | 296K | $1M+ | SH |
| Burkehill Global Management, LP | 275K | $1M+ | SH |
| Peapod Lane Capital LLC | 268K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 262K | $1M+ | SH |
| UBS Group AG | 230K | $1M+ | SH |
| Privium Fund Management B.V. | 210K | $1M+ | SH |
| JANE STREET GROUP, LLC | 195K | $1M+ | SH |
| BARCLAYS PLC | 171K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
6.4%
3.7M shares
SC 13G/A · Feb 17, 2026
9.9%
5.7M shares
SC 13G · Feb 17, 2026
8.1%
4.6M shares
SC 13G/A · Feb 9, 2026
7.5%
4.3M shares
SC 13G · Oct 20, 2025
6.8%
3.2M shares
SC 13G/A · Oct 17, 2025
6.6%
3.1M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · May 15, 2025
1.5%
678K shares
SC 13G/A · May 15, 2025
5.0%
2.3M shares
SC 13G/A · Apr 17, 2025
7.8%
3.6M shares
SC 13G/A · Feb 14, 2025
9.9%
4.6M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 14, 2025
6.4%
3.0M shares
SC 13G/A · Feb 14, 2025
7.1%
3.4M shares
SC 13G/A · Feb 14, 2025
4.9%
2.3M shares
SC 13G/A · Feb 14, 2025
1.3%
610K shares
SC 13G/A · Feb 10, 2025
9.6%
4.4M shares
SC 13G/A · Dec 6, 2024
10.7%
5.0M shares
SC 13G/A · Nov 15, 2024
11.0%
5.1M shares
SC 13G/A · Nov 14, 2024
10.0%
5.2M shares
SC 13G/A · Nov 14, 2024
0.0%
0 shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Nov 14, 2024
6.0%
3.1M shares
SC 13G/A · Nov 14, 2024
7.9%
4.1M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Nov 13, 2024
7.5%
3.9M shares
SC 13G/A · Nov 12, 2024
5.3%
2.8M shares
SC 13G/A · Nov 8, 2024
9.4%
4.9M shares
SC 13G · Nov 6, 2024
6.9%
3.6M shares
SC 13G · Nov 4, 2024
5.3%
2.8M shares
SC 13G/A · Oct 21, 2024
9.4%
4.9M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G/A · Feb 15, 2024
8.9%
4.4M shares
SC 13G/A · Feb 14, 2024
9.7%
4.2M shares
SC 13G/A · Feb 14, 2024
4.7%
203.3M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Feb 14, 2024
5.0%
2.1M shares
SC 13G/A · Feb 14, 2024
5.3%
2.3M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 13, 2024
7.2%
3.1M shares
SC 13G/A · Jan 25, 2024
8.1%
3.5M shares
SC 13G/A · Jan 8, 2024
9.9%
4.2M shares
SC 13G/A · Jan 8, 2024
11.2%
4.8M shares
SC 13G · Jun 5, 2023
6.7%
2.8M shares
Venrock Healthcare Capital Partners III, L.P.
SC 13G · May 15, 2023
8.7%
2.9M shares
SC 13G/A · Feb 14, 2023
8.2%
2.7M shares
SC 13G/A · Jan 31, 2023
7.7%
2.5M shares
Biotechnology Value Fund, L.P.
SC 13G/A · Jun 21, 2022
6.6%
2.1M shares
SC 13G/A · Feb 14, 2022
12.3%
3.9M shares
SC 13G/A · Feb 14, 2022
6.3%
2.0M shares
SC 13G/A · Feb 14, 2022
2.8%
901K shares
SC 13G/A · Feb 14, 2022
5.9%
1.9M shares
SC 13G/A · Feb 11, 2022
1.1%
342K shares
Janus Henderson Group plc EIN #00-0000000
SC 13G · Feb 11, 2022
5.1%
1.6M shares