Williamson Stephen insider trades
Williamson Stephen has filed 39 Form 4s with the SEC that we hold, for Thermo Fisher Scientific INC. (TMO) (Retiring Sr. VP and CFO), Honeywell International INC (HON) (Director) and International Flavors & Fragrances INC (IFF) (Director). Across all of them we count 0 purchases worth $0 and 26 sales worth $71.5M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 21,925 shares of Thermo Fisher Scientific INC. worth $13.0M, dated 2024-05-13. The first filing on our record is dated 2021-08-24 and the latest 2026-05-26.
Thermo Fisher Scientific INC. (TMO)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-02 | S, sale reported on Form 4 | 700 | $449.4K | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 1,684 | $1.1M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 3,159 | $2.0M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 4,760 | $3.0M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 3,645 | $2.3M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 4,085 | $2.6M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 3,717 | $2.4M | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 400 | $253.8K | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 100 | $64.3K | 2021-11-03 |
| 2021-11-02 | S, sale reported on Form 4 | 300 | $190.0K | 2021-11-03 |
| 2022-08-12 | S, sale reported on Form 4 | 3,316 | $2.0M | 2022-08-16 |
| 2022-08-12 | S, sale reported on Form 4 | 1,384 | $835.0K | 2022-08-16 |
| 2022-08-12 | S, sale reported on Form 4 | 2,500 | $1.5M | 2022-08-16 |
| 2022-08-12 | S, sale reported on Form 4 | 7,800 | $4.7M | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 500 | $300.3K | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 1,300 | $782.0K | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 1,652 | $995.5K | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 5,484 | $3.3M | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 2,444 | $1.5M | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 880 | $532.9K | 2022-08-16 |
| 2022-08-15 | S, sale reported on Form 4 | 40 | $24.2K | 2022-08-16 |
| 2023-07-31 | S, sale reported on Form 4 | 15,000 | $8.4M | 2023-08-02 |
| 2023-08-01 | S, sale reported on Form 4 | 14,100 | $7.8M | 2023-08-02 |
| 2024-05-13 | S, sale reported on Form 4 | 21,925 | $13.0M | 2024-05-15 |
| 2025-02-03 | S, sale reported on Form 4 | 9,825 | $5.8M | 2025-02-05 |
| 2025-02-04 | S, sale reported on Form 4 | 9,825 | $5.8M | 2025-02-05 |
Honeywell International INC (HON)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
International Flavors & Fragrances INC (IFF)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1648929) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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