CIK 0001039399 · Large accelerated filer
FORMFACTOR INC
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +1,099 | 15,569 | ||
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −433 | $81.12 | $35K | 15,136 |
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +577 | 15,713 | ||
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −228 | $81.12 | $18K | 15,485 |
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −1,099 | 8,792 | ||
| 2026-11-06 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −577 | 6,347 | ||
| 2026-11-06 | SLESSOR MIKE CEO | Option exercise | +6,031 | 463,243 | ||
| 2026-11-06 | SLESSOR MIKE CEO | Shares withheld for taxes | −3,357 | $81.12 | $272K | 459,886 |
| 2026-11-06 | SLESSOR MIKE CEO | Option exercise | +2,308 | 462,194 | ||
| 2026-11-06 | SLESSOR MIKE CEO | Shares withheld for taxes | −1,285 | $81.12 | $104K | 460,909 |
| 2026-11-06 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −6,031 | 42,217 | ||
| 2026-11-06 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −2,308 | 25,388 | ||
| 2026-11-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise | +521 | 14,676 | ||
| 2026-11-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Shares withheld for taxes | −206 | $71.76 | $15K | 14,470 |
| 2026-11-05 | McKinnis Aric Brendan CFO, SVP Global Finance | Option exercise · Restricted Stock Units | −521 | 1,563 | ||
| 2026-11-05 | SLESSOR MIKE CEO | Option exercise | +3,644 | 459,240 | ||
| 2026-11-05 | SLESSOR MIKE CEO | Shares withheld for taxes | −2,028 | $71.76 | $146K | 457,212 |
| 2026-11-05 | SLESSOR MIKE CEO | Option exercise · Restricted Stock Units | −3,644 | 10,932 | ||
| 2026-10-14 | SLESSOR MIKE CEO | Sale 10b5-1 | −2,195 | $124.23 | $273K | 464,499 |
| 2026-10-14 | SLESSOR MIKE CEO | Sale 10b5-1 | −7,703 | $125.36 | $966K | 456,796 |
Page 1 of 14 · 270 trades