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 |
|---|---|---|---|---|---|---|
| 2026-08-06 | SLESSOR MIKE CEO | Option exercise | +6,031 | 438,059 | ||
| 2026-08-06 | SLESSOR MIKE CEO | Shares withheld for taxes | −3,357 | $115.21 | $387K | 434,702 |
| 2026-08-06 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −6,031 | 48,248 | ||
| 2026-08-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +1,099 | 14,426 | ||
| 2026-08-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −274 | $115.21 | $32K | 14,152 |
| 2026-08-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −1,099 | 9,891 | ||
| 2026-08-05 | SLESSOR MIKE CEO | Option exercise | +3,644 | 434,056 | ||
| 2026-08-05 | SLESSOR MIKE CEO | Shares withheld for taxes | −2,028 | $114.44 | $232K | 432,028 |
| 2026-08-05 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −3,644 | 14,576 | ||
| 2026-08-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +521 | 13,457 | ||
| 2026-08-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −130 | $114.44 | $15K | 13,327 |
| 2026-08-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −521 | 2,084 | ||
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −1,041 | $116.56 | $121K | 434,106 |
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −1,650 | $117.39 | $194K | 432,456 |
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −706 | $118.21 | $83K | 431,750 |
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −170 | $119.08 | $20K | 431,580 |
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −300 | $120.58 | $36K | 431,280 |
| 2026-07-15 | SLESSOR MIKE CEO | Sale 10b5-1 | −868 | $121.30 | $105K | 430,412 |
| 2026-06-16 | St Dennis Thomas Director | Gift | −740 | 28,333 | ||
| 2026-06-15 | St Dennis Thomas Director | Sale | −2,800 | $151.49 | $424K | 29,073 |
Page 3 of 14 · 270 trades