Larimar Therapeutics, Inc.
Total Trades
14
Buys
14
Sells
0
Largest Trade
$1M+
Insiders
7
Institutional Funds
100
Inst. Value
$1M+
Activist Filings
38
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Flynn James E | Director | BUY | $1M+ | 5.0M | $5.00 | Mar 3, 2026 |
| Hamilton Thomas Edward | Director | BUY | $500K+ | 100K | $5.00 | Mar 2, 2026 |
| THOMAS FRANK E | Director | BUY | $15K–$50K | 5K | $5.00 | Mar 2, 2026 |
| SHERMAN JEFFREY W | Director | BUY | $15K–$50K | 5K | $5.00 | Mar 2, 2026 |
| Hamilton Thomas Edward | Director | BUY | $100K–$500K | 57K | $8.74 | May 31, 2024 |
| Flynn James E | Director | BUY | $1M+ | 4.3M | $8.74 | Feb 16, 2024 |
| THOMAS FRANK E | Director | BUY | $15K–$50K | 2K | $11.00 | Feb 15, 2024 |
| Celano Michael | CFO | BUY | $15K–$50K | 5K | $3.73 | May 18, 2023 |
| BEN-MAIMON CAROLE | President and CEO | BUY | $15K–$50K | 5K | $3.71 | May 18, 2023 |
| Truitt Joseph | Director | BUY | $1K–$15K | 3K | $3.73 | May 18, 2023 |
| Flynn James E | Director | BUY | $1M+ | 11.1M | $3.15 | Sep 21, 2022 |
| Hamilton Thomas Edward | Director | BUY | $500K+ | 317K | $3.15 | Sep 20, 2022 |
| Celano Michael | CFO | BUY | $50K–$100K | 32K | $3.15 | Sep 19, 2022 |
| BEN-MAIMON CAROLE | President and CEO | BUY | $50K–$100K | 32K | $3.15 | Sep 19, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 100 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Blue Owl Capital Holdings LP | 6.8M | $1M+ | SH |
| Blue Owl Capital Holdings LP | 6.8M | $1M+ | SH |
| Point72 Asset Management, L.P. | 1.5M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 949K | $1M+ | SH |
| Alyeska Investment Group, L.P. | 928K | $1M+ | SH |
| STATE STREET CORP | 912K | $1M+ | SH |
| Verition Fund Management LLC | 568K | $1M+ | SH |
| AIGH Capital Management LLC | 545K | $1M+ | SH |
| JANE STREET GROUP, LLC | 349K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 324K | $1M+ | SH |
| Marex Group plc | 312K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 297K | $1M+ | SH |
| Cerity Partners LLC | 218K | $500K+ | SH |
| ADAR1 Capital Management, LLC | 186K | $500K+ | SH |
| ADAR1 Capital Management, LLC | 186K | $500K+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 162K | $500K+ | SH |
| UBS Group AG | 110K | $100K–$500K | SH |
| GSA CAPITAL PARTNERS LLP | 102K | $100K–$500K | SH |
| BARCLAYS PLC | 78K | $100K–$500K | SH |
| AMERICAN CENTURY COMPANIES INC | 76K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Mar 3, 2026
10.3%
10.6M shares
SC 13G/A · Feb 12, 2026
10.0%
8.5M shares
SC 13G/A · Nov 6, 2025
5.8%
5.0M shares
SC 13G · Aug 29, 2025
4.8%
4.1M shares
SC 13G/A · Aug 14, 2025
0.0%
0 shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Jul 31, 2025
11.1%
9.5M shares
SC 13G · Jun 17, 2025
5.6%
3.6M shares
SC 13G/A · May 14, 2025
8.7%
5.6M shares
SC 13G/A · May 13, 2025
4.1%
2.6M shares
SC 13G/A · Apr 22, 2025
4.8%
3.1M shares
SC 13G · Apr 16, 2025
6.2%
4.0M shares
SC 13G · Feb 4, 2025
5.1%
3.3M shares
SC 13G/A · Jan 8, 2025
10.1%
6.4M shares
SC 13G/A · Nov 14, 2024
6.5%
4.2M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Nov 14, 2024
8.7%
5.6M shares
SC 13G/A · Nov 14, 2024
0.9%
594K shares
SC 13G · Nov 6, 2024
7.0%
4.5M shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Mar 15, 2024
9.6%
6.2M shares
SC 13G · Feb 26, 2024
9.5%
6.0M shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Feb 16, 2024
10.1%
6.2M shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Feb 15, 2024
10.8%
4.7M shares
SC 13G · Feb 15, 2024
7.8%
3.4M shares
SC 13G/A · Feb 14, 2024
0.0%
0 shares
SC 13G · Feb 14, 2024
6.4%
2.8M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 13, 2024
6.0%
2.6M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G · Aug 18, 2023
5.1%
2.2M shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Mar 16, 2023
10.9%
4.7M shares
SC 13G · Feb 14, 2023
6.6%
2.9M shares
SC 13G/A · Feb 13, 2023
8.0%
3.5M shares
Larimar Therapeutics, Inc. (Subject)
SC 13G/A · Jan 21, 2023
3.6%
1.6M shares
SC 13G/A · Nov 14, 2022
0.0%
0 shares
Deerfield Private Design Fund III, L.P.
SC 13D/A · Sep 16, 2022
11.8%
4.7M shares
SC 13G/A · Feb 15, 2022
0.0%
0 shares
SC 13G/A · Feb 14, 2022
7.5%
1.3M shares
SC 13G/A · Feb 11, 2022
0.4%
73K shares
SC 13G/A · Feb 11, 2022
0.0%
0 shares
SC 13G/A · Feb 11, 2022
8.6%
1.5M shares