Insiders / Mathers Edward T
Mathers Edward T
CIK 1328625personinsider
Companies
6
First seen
Jan 2, 2026
Last activity
Jun 8, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| SpyGlass Pharma, Inc. · SGP | 6,035,038 | — |
| Korro Bio, Inc. · KRRO | 1,297,893 | — |
| OnKure Therapeutics, Inc. · OKUR | 15,310 | — |
| Rhythm Pharmaceuticals, Inc. · RYTM | 14,168 | — |
| MBX Biosciences, Inc. · MBX | — | — |
| Trevi Therapeutics, Inc. · TRVI | — | — |
All securities held
8 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Korro Bio, Inc. | Common Stock | 1,297,893 |
| Korro Bio, Inc. | Pre-Funded WarrantsDerivative | 242,945 |
| MBX Biosciences, Inc. | Stock option (right to buy)Derivative | 12,500 |
| OnKure Therapeutics, Inc. | Class A Common Stock | 15,310 |
| OnKure Therapeutics, Inc. | Stock Option (right to buy)Derivative | 7,650 |
| Rhythm Pharmaceuticals, Inc. | Common Stock | 14,168 |
| SpyGlass Pharma, Inc. | Common Stock | 6,035,038 |
| Trevi Therapeutics, Inc. | Nonstatutory Stock Option (right to buy)Derivative | 35,000 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Feb 9, 2026 | Buy | SGP SpyGlass Pharma, Inc. Common Stock | $15.00M | +938K +18.39% | 6,035,038 18.04% of shares | high |
| Mar 10, 2026 | Buy | KRRO Korro Bio, Inc. Common Stock | $2.30M | +207K +18.99% | 1,297,893 8.81% of shares | high |
| Mar 12, 2026 | Other | RYTM Rhythm Pharmaceuticals, Inc. Common Stock | $0 | +4K +42.12% | 14,168 0.02% of shares | low |
| Mar 2, 2026 | Other | RYTM Rhythm Pharmaceuticals, Inc. Common Stock | $0 | +4K +72.74% | 9,969 0.01% of shares | low |
| Dec 31, 2025 | Grant | OKUR OnKure Therapeutics, Inc. Class A Common Stock | $0 | +4K +34.31% | 15,310 0.04% of shares | low |
| Jun 4, 2026 | Grant | OKUR OnKure Therapeutics, Inc. Stock Option (right to buy) | — | +8K | 7,650 0.02% of shares | low |
| Jun 4, 2026 | Grant | MBX MBX Biosciences, Inc. Stock option (right to buy) | — | +13K | 12,500 0.03% of shares | low |
| Jun 3, 2026 | Grant | TRVI Trevi Therapeutics, Inc. Nonstatutory Stock Option (right to buy) | — | +35K | 35,000 0.02% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series D Preferred Stock | — | -738K -100.00% | 0 0.00% of shares | low |
| Feb 9, 2026 | Other | SGP SpyGlass Pharma, Inc. Series C-2 Preferred Stock | — | -1.4M -100.00% | 0 0.00% of shares | low |