Slessor Mike insider trades
Slessor Mike has filed 71 Form 4s with the SEC that we hold, for Formfactor INC (FORM) (CEO, Director) and Benchmark Electronics INC (BHE) (Director). Across all of them we count 0 purchases worth $0 and 83 sales worth $19.1M reported on Form 4. In the last 12 months: 0 purchases ($0) and 52 sales ($14.8M). The largest single trade was a sale of 39,606 shares of Formfactor INC worth $2.6M, dated 2026-01-06. Of 3 sales filed since we began reading the 10b5-1 checkbox, 3 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-21 and the latest 2026-09-17.
Formfactor INC (FORM)
CEO, Director · 69 filings · 83 purchases and sales
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-05 | S, sale reported on Form 4 | 25,000 | $1.1M | 2021-11-08 |
| 2023-02-13 | S, sale reported on Form 4 | 10,000 | $319.7K | 2023-02-15 |
| 2024-03-01 | S, sale reported on Form 4 | 4,000 | $173.5K | 2024-03-04 |
| 2024-04-01 | S, sale reported on Form 4 | 4,000 | $183.8K | 2024-04-02 |
| 2024-05-01 | S, sale reported on Form 4 | 4,000 | $175.0K | 2024-05-02 |
| 2024-06-03 | S, sale reported on Form 4 | 2,770 | $150.1K | 2024-06-04 |
| 2024-06-03 | S, sale reported on Form 4 | 1,230 | $67.4K | 2024-06-04 |
| 2024-07-01 | S, sale reported on Form 4 | 682 | $41.3K | 2024-07-02 |
| 2024-07-01 | S, sale reported on Form 4 | 995 | $58.9K | 2024-07-02 |
| 2024-07-01 | S, sale reported on Form 4 | 2,323 | $135.8K | 2024-07-02 |
| 2024-08-01 | S, sale reported on Form 4 | 1,038 | $50.4K | 2024-08-05 |
| 2024-08-01 | S, sale reported on Form 4 | 1,389 | $69.8K | 2024-08-05 |
| 2024-08-01 | S, sale reported on Form 4 | 471 | $24.2K | 2024-08-05 |
| 2024-08-01 | S, sale reported on Form 4 | 8 | $421 | 2024-08-05 |
| 2024-08-01 | S, sale reported on Form 4 | 1,094 | $58.9K | 2024-08-05 |
| 2024-09-03 | S, sale reported on Form 4 | 2,812 | $129.2K | 2024-09-04 |
| 2024-09-03 | S, sale reported on Form 4 | 1,188 | $56.0K | 2024-09-04 |
| 2024-10-01 | S, sale reported on Form 4 | 3,000 | $135.1K | 2024-10-02 |
| 2024-10-01 | S, sale reported on Form 4 | 1,000 | $46.0K | 2024-10-02 |
| 2024-11-01 | S, sale reported on Form 4 | 4,000 | $155.2K | 2024-11-04 |
| 2024-12-02 | S, sale reported on Form 4 | 101 | $4.2K | 2024-12-02 |
| 2024-12-02 | S, sale reported on Form 4 | 3,899 | $158.2K | 2024-12-02 |
| 2025-01-02 | S, sale reported on Form 4 | 3,600 | $159.8K | 2025-01-02 |
| 2025-01-02 | S, sale reported on Form 4 | 400 | $18.0K | 2025-01-02 |
| 2025-02-03 | S, sale reported on Form 4 | 100 | $4.0K | 2025-02-03 |
| 2025-02-03 | S, sale reported on Form 4 | 3,900 | $152.0K | 2025-02-03 |
| 2025-03-03 | S, sale reported on Form 4 | 4,000 | $132.2K | 2025-03-04 |
| 2025-04-01 | S, sale reported on Form 4 | 4,000 | $113.0K | 2025-04-01 |
| 2025-05-01 | S, sale reported on Form 4 | 4,000 | $126.9K | 2025-05-01 |
| 2025-06-02 | S, sale reported on Form 4 | 4,000 | $119.3K | 2025-06-03 |
| 2025-07-01 | S, sale reported on Form 4 | 4,000 | $136.1K | 2025-07-02 |
| 2025-11-19 | S, sale reported on Form 4 | 3,664 | $185.4K | 2025-11-19 |
| 2025-11-19 | S, sale reported on Form 4 | 4,739 | $235.3K | 2025-11-19 |
| 2025-12-17 | S, sale reported on Form 4 | 5,606 | $315.0K | 2025-12-17 |
| 2025-12-17 | S, sale reported on Form 4 | 2,063 | $117.2K | 2025-12-17 |
| 2026-01-06 | S, sale reported on Form 4 | 39,606 | $2.6M | 2026-01-06 |
| 2026-01-15 | S, sale reported on Form 4 | 6,112 | $472.1K | 2026-01-15 |
| 2026-01-15 | S, sale reported on Form 4 | 6,976 | $533.2K | 2026-01-15 |
| 2026-02-18 | S, sale reported on Form 4 | 834 | $77.4K | 2026-02-18 |
| 2026-02-18 | S, sale reported on Form 4 | 4,934 | $463.6K | 2026-02-18 |
| 2026-02-18 | S, sale reported on Form 4 | 2,896 | $274.5K | 2026-02-18 |
| 2026-03-18 | S, sale reported on Form 4 | 1,900 | $178.8K | 2026-03-18 |
| 2026-03-18 | S, sale reported on Form 4 | 2,832 | $271.1K | 2026-03-18 |
| 2026-03-18 | S, sale reported on Form 4 | 5,495 | $523.2K | 2026-03-18 |
| 2026-04-15 | S, sale reported on Form 4 | 1,826 | $228.7K | 2026-04-15 |
| 2026-04-15 | S, sale reported on Form 4 | 900 | $113.9K | 2026-04-15 |
| 2026-04-15 | S, sale reported on Form 4 | 2,369 | $302.4K | 2026-04-15 |
| 2026-04-15 | S, sale reported on Form 4 | 5,432 | $698.3K | 2026-04-15 |
| 2026-04-15 | S, sale reported on Form 4 | 767 | $99.1K | 2026-04-15 |
| 2026-05-13 | S, sale reported on Form 4 | 700 | $86.0K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 1,300 | $160.8K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 2,984 | $372.1K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 1,388 | $174.3K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 398 | $50.4K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 100 | $12.7K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 700 | $90.0K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 700 | $90.5K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 200 | $26.1K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 200 | $26.5K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 66 | $9.0K | 2026-05-14 |
| 2026-05-13 | S, sale reported on Form 4 | 702 | $95.6K | 2026-05-14 |
| 2026-06-10 | S, sale reported on Form 4 | 4,220 | $513.7K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 2,500 | $306.6K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 767 | $91.3K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 1,629 | $201.0K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 400 | $47.8K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 975 | $118.0K | 2026-06-11 |
| 2026-06-10 | S, sale reported on Form 4 | 1,399 | $164.7K | 2026-06-11 |
| 2026-07-15 | S, sale reported on Form 4 | 1,041 | $121.3K | 2026-07-16 |
| 2026-07-15 | S, sale reported on Form 4 | 1,650 | $193.7K | 2026-07-16 |
| 2026-07-15 | S, sale reported on Form 4 | 706 | $83.5K | 2026-07-16 |
| 2026-07-15 | S, sale reported on Form 4 | 170 | $20.2K | 2026-07-16 |
| 2026-07-15 | S, sale reported on Form 4 | 300 | $36.2K | 2026-07-16 |
| 2026-07-15 | S, sale reported on Form 4 | 868 | $105.3K | 2026-07-16 |
| 2026-08-14 | S, sale reported on Form 4 | 2,482 | $319.5K | 2026-08-17 |
| 2026-08-14 | S, sale reported on Form 4 | 2,892 | $374.7K | 2026-08-17 |
| 2026-08-14 | S, sale reported on Form 4 | 3,282 | $428.4K | 2026-08-17 |
| 2026-08-14 | S, sale reported on Form 4 | 1,125 | $148.1K | 2026-08-17 |
| 2026-08-14 | S, sale reported on Form 4 | 5,535 | $733.4K | 2026-08-17 |
| 2026-08-14 | S, sale reported on Form 4 | 686 | $91.5K | 2026-08-17 |
| 2026-09-16 | S, sale reported on Form 4 | 8,737 | $910.9K | 2026-09-17 |
| 2026-09-16 | S, sale reported on Form 4 | 7,773 | $817.1K | 2026-09-17 |
| 2026-09-16 | S, sale reported on Form 4 | 1,000 | $105.8K | 2026-09-17 |
Benchmark Electronics INC (BHE)
Director · 2 filings · 0 purchases and sales
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Source
Counted from the Form 4 filings this reporting owner (SEC CIK 1590177) 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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