Seth Alpna (CIK 1721020) reported 4 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-05). Recent activity: Buy KROS (7,142 shares), Sell KROS (2,625 shares), Buy TECH (1,640 shares), Buy KROS (5,250 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | Keros Therapeutics, Inc. (KROS) | Director | Buy | 7,142 | $0 |
| 2026-06-05 | Keros Therapeutics, Inc. (KROS) | Director | Sell | 2,625 | $28,140 |
| 2025-11-03 | BIO-TECHNE Corp (TECH) | Director | Buy | 1,640 | $0 |
| 2025-06-06 | Keros Therapeutics, Inc. (KROS) | Director | Buy | 5,250 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-06-05