Williamson Stephen (CIK 1648929) reported 18 SEC Form 4 insider transactions across 3 companies over the past 18 months (most recent 2026-04-16). Recent activity: Buy HON (625 shares), Sell TMO (675 shares), Sell TMO (247 shares), Buy TMO (1,534 shares), Sell TMO (433 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-16 | HONEYWELL INTERNATIONAL INC (HON) | Director | Buy | 625 | $144,331 |
| 2026-03-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Retiring Sr. VP and CFO | Sell | 675 | $351,603 |
| 2026-03-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Retiring Sr. VP and CFO | Sell | 247 | $128,751 |
| 2026-02-27 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Buy | 1,534 | $0 |
| 2025-11-17 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 433 | $0 |
| 2025-09-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 215 | $105,132 |
| 2025-09-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 220 | $107,503 |
| 2025-09-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 238 | $116,499 |
| 2025-09-02 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 111 | $54,464 |
| 2025-04-17 | HONEYWELL INTERNATIONAL INC (-) | Director | Buy | 83 | $16,632 |
| 2025-03-04 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 584 | $308,950 |
| 2025-03-04 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 1,032 | $546,030 |
| 2025-02-21 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Buy | 1,533 | $0 |
| 2025-02-21 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Buy | 6,409 | $0 |
| 2025-02-05 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Buy | 9,825 | $2.5M |
| 2025-02-05 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 9,825 | $5.8M |
| 2025-02-05 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Buy | 9,825 | $2.5M |
| 2025-02-05 | THERMO FISHER SCIENTIFIC INC. (TMO) | Sr. VP and CFO | Sell | 9,825 | $5.8M |
Source: SEC Form 4 filings · as of 2026-04-16