THOMAS FRANK E (CIK 1242616) reported 3 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-25). Recent activity: Buy SPRO (10,000 shares), Buy LRMR (5,000 shares), Buy SPRO (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-25 | Spero Therapeutics, Inc. (SPRO) | Director | Buy | 10,000 | $0 |
| 2026-03-02 | Larimar Therapeutics, Inc. (LRMR) | Director | Buy | 5,000 | $25,000 |
| 2025-06-16 | Spero Therapeutics, Inc. (SPRO) | Director | Buy | 20,000 | $0 |
Source: SEC Form 4 filings · as of 2026-06-25