Hambleton Julie (CIK 1578771) reported 5 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2025-08-14). Recent activity: Sell IGMS (2,000 shares), Sell SWTX (14,155 shares), Buy SWTX (10,060 shares), Buy SWTX (13,774 shares), Sell SWTX (13,774 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-14 | IGM Biosciences, Inc. (IGMS) | Director | Sell | 2,000 | $0 |
| 2025-07-02 | SpringWorks Therapeutics, Inc. (SWTX) | Director | Sell | 14,155 | $0 |
| 2025-05-15 | SpringWorks Therapeutics, Inc. (SWTX) | Director | Buy | 10,060 | $0 |
| 2025-02-12 | SpringWorks Therapeutics, Inc. (SWTX) | Director | Buy | 13,774 | $444,487 |
| 2025-02-12 | SpringWorks Therapeutics, Inc. (SWTX) | Director | Sell | 13,774 | $730,160 |
Source: SEC Form 4 filings · as of 2025-08-14