FORMFACTOR INC
FORM
44 insider filings · Latest: Oct 14, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 14, 2026 | Oct 15 12:06 AM | Mike SlessorDirector, CEO | Sale | 11,098 | $125.20 | $1.4M | 455,596(D) | View → |
| Oct 14, 2026 | Oct 14 8:20 PM | MIKE SLESSOR | Proposed Sale | 11,098 | $125.20 | $1.4M | — | View → |
| Sep 16, 2026 | Sep 17 11:30 PM | Mike SlessorDirector, CEO | Sale | 17,510 | $104.73 | $1.8M | 466,694(D) | View → |
| Sep 16, 2026 | Sep 16 8:41 PM | MIKE SLESSOR | Proposed Sale | 17,510 | $104.73 | $1.8M | — | View → |
| Sep 3, 2026 | Sep 4 8:51 PM | Kelley Steven-WaissDirector | Sale | 2,100 | $96.10 | $201.8K | 24,426(D) | View → |
| Sep 3, 2026 | Sep 3 8:19 PM | KELLEY LYNNE STEVEN-WAISS | Proposed Sale | 2,100 | $96.10 | $201.8K | — | View → |
| Aug 14, 2026 | Aug 17 10:16 PM | Mike SlessorDirector, CEO | Sale | 16,002 | $130.95 | $2.1M | 484,204(D) | View → |
| Aug 14, 2026 | Aug 14 8:35 PM | MIKE SLESSOR | Proposed Sale | 16,002 | $130.95 | $2.1M | — | View → |
| Jul 15, 2026 | Jul 16 9:30 PM | Mike SlessorDirector, CEO | Sale | 4,735 | $118.31 | $560.2K | 430,412(D) | View → |
| Jul 15, 2026 | Jul 15 8:14 PM | MIKE SLESSOR | Proposed Sale | 4,735 | $118.31 | $560.2K | — | View → |
| Jun 15, 2026 | Jun 17 12:31 AM | Dennis Thomas StDirector | Sale | 2,800 | $151.49 | $424.2K | 29,073(D) | View → |
| Jun 15, 2026 | Jun 15 8:11 PM | THOMAS M. ST. DENNIS | Proposed Sale | 2,800 | $151.49 | $424.2K | — | View → |
| Jun 10, 2026 | Jun 11 11:05 PM | Mike SlessorDirector, CEO | Sale | 11,890 | $121.35 | $1.4M | 435,147(D) | View → |
| Jun 10, 2026 | Jun 10 8:03 PM | MIKE SLESSOR | Proposed Sale | 11,890 | $121.36 | $1.4M | — | View → |
| Jun 2, 2026 | Jun 4 10:20 PM | Sheri RhodesDirector | Sale | 6,328 | $125.40 | $793.5K | 5,375(D) | View → |
| Jun 4, 2026 | Jun 4 8:15 PM | KEVIN J BREWER | Proposed Sale | 2,528 | $129.00 | $326.1K | — | View → |
| Jun 2, 2026 | Jun 2 9:43 PM | SHERI LYNN RHODES | Proposed Sale | 6,328 | $125.40 | $793.5K | — | View → |
| May 26, 2026 | May 26 8:27 PM | KEVIN J BREWER | Proposed Sale | 4,000 | $136.85 | $547.4K | — | View → |
| May 21, 2026 | May 22 11:04 PM | Rebeca Obregon-JimenezDirector | Sale | 3,828 | $126.48 | $484.1K | 7,875(D) | View → |
| May 20, 2026 | May 21 9:51 PM | Brian C WhiteDirector | Sale | 3,250 | $126.00 | $409.5K | 8,653(D) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Aug 10 10:58 PM | Mike SlessorDirector, CEO | Grant/Award | 141,792 | $0.00 | 141,792(D) | View → |
| Aug 7, 2026 | Aug 10 10:58 PM | Mike SlessorDirector, CEO | Option Exercise | 147,700 | $0.00 | 0(D) | View → |
| Aug 6, 2026 | Aug 10 10:58 PM | Mike SlessorDirector, CEO | Grant/Award | 27,696 | $0.00 | 27,696(D) | View → |
| Aug 6, 2026 | Aug 10 10:44 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Grant/Award | 6,924 | $0.00 | 6,924(D) | View → |
| Aug 6, 2026 | Aug 7 9:56 PM | Mike SlessorDirector, CEO | Option Exercise | 6,031 | $0.00 | 48,248(D) | View → |
| Aug 5, 2026 | Aug 7 9:56 PM | Mike SlessorDirector, CEO | Option Exercise | 3,644 | $0.00 | 14,576(D) | View → |
| Aug 6, 2026 | Aug 7 9:49 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 1,099 | $0.00 | 9,891(D) | View → |
| Aug 5, 2026 | Aug 7 9:49 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 521 | $0.00 | 2,084(D) | View → |
| Jun 2, 2026 | Jun 4 10:22 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 773 | $0.00 | 0(D) | View → |
| May 7, 2026 | May 8 8:52 PM | Mike SlessorDirector, CEO | Option Exercise | 5,908 | $0.00 | 5,908(D) | View → |
| May 6, 2026 | May 7 10:38 PM | Mike SlessorDirector, CEO | Option Exercise | 6,031 | $0.00 | 54,279(D) | View → |
| May 5, 2026 | May 7 10:38 PM | Mike SlessorDirector, CEO | Option Exercise | 3,644 | $0.00 | 18,220(D) | View → |
| May 6, 2026 | May 7 10:36 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 1,099 | $0.00 | 10,990(D) | View → |
| May 5, 2026 | May 7 10:36 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 521 | $0.00 | 2,605(D) | View → |
| Mar 2, 2026 | Mar 3 11:17 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 773 | $0.00 | 773(D) | View → |
| Feb 9, 2026 | Feb 11 11:21 PM | Mike SlessorDirector, CEO | Option Exercise | 5,908 | $0.00 | 11,816(D) | View → |
| Feb 6, 2026 | Feb 9 11:49 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 1,099 | $0.00 | 12,089(D) | View → |
| Feb 5, 2026 | Feb 9 11:49 PM | Aric Brendan MckinnisCFO, SVP Global Finance | Option Exercise | 521 | $0.00 | 3,126(D) | View → |
| Feb 6, 2026 | Feb 9 11:46 PM | Mike SlessorDirector, CEO | Option Exercise | 6,031 | $0.00 | 60,310(D) | View → |
| Feb 5, 2026 | Feb 9 11:46 PM | Mike SlessorDirector, CEO | Option Exercise | 3,644 | $0.00 | 21,864(D) | View → |