CIK 0001039399 · Large accelerated filer
FORMFACTOR INC
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- FORM
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 26
- Incorporated
- DE
- Entity type
- operating
- EIN
- 133711155
- Phone
- 9252904000
- Business address
- 7005 SOUTHFRONT ROAD, LIVERMORE, CA, 94551
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $3,425,065
- in 3 filings, $3.2M under 10b5-1 plans
Net −$3,425,065. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-05-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +1,099 | 12,630 | ||
| 2026-05-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −274 | $149.12 | $41K | 12,356 |
| 2026-05-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −1,099 | 10,990 | ||
| 2026-05-05 | SLESSOR MIKE CEO | Option exercise | +3,644 | 453,209 | ||
| 2026-05-05 | SLESSOR MIKE CEO | Shares withheld for taxes | −2,028 | $145.00 | $294K | 451,181 |
| 2026-05-05 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −3,644 | 18,220 | ||
| 2026-05-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +521 | 11,661 | ||
| 2026-05-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −130 | $145.00 | $19K | 11,531 |
| 2026-05-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −521 | 2,605 | ||
| 2026-04-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −1,826 | $125.24 | $229K | 459,033 |
| 2026-04-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −900 | $126.58 | $114K | 458,133 |
| 2026-04-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −2,369 | $127.65 | $302K | 455,764 |
| 2026-04-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −5,432 | $128.56 | $698K | 450,332 |
| 2026-04-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −767 | $129.22 | $99K | 449,565 |
| 2026-03-18 | SLESSOR MIKE CEO | Sale 10b5-1 | −1,900 | $94.10 | $179K | 469,186 |
| 2026-03-18 | SLESSOR MIKE CEO | Sale 10b5-1 | −5,495 | $95.21 | $523K | 463,691 |
| 2026-03-18 | SLESSOR MIKE CEO | Sale 10b5-1 | −2,832 | $95.73 | $271K | 460,859 |
| 2026-03-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Sale | −3,462 | $90.42 | $313K | 11,140 |
| 2026-03-02 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +773 | 14,795 | ||
| 2026-03-02 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −193 | $99.70 | $19K | 14,602 |
Page 6 of 14 · 270 trades