FORM FORMFACTOR INC
Nasdaq · SEC CIK 1039399 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $22.05M 31 sales by 9 insiders
- Filings on record
- 195 since 2021-07-21, latest 2026-09-17 19:30
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| SLESSOR MIKE | CEO, Dir | — | $14.79M |
| Rhodes Sheri | Dir | — | $1.50M |
| St Dennis Thomas | Dir | — | $1.34M |
| STEVEN-WAISS KELLEY | Dir | — | $1.24M |
| WHITE BRIAN C | Dir | — | $1.14M |
| Obregon-Jimenez Rebeca | Dir | — | $749.6K |
| Titinger Jorge | Dir | — | $694.0K |
| McKinnis Aric Brendan | CFO, SVP Gbl Fin | — | $313.0K |
| BREWER KEVIN J | Dir | — | $288.6K |
Transactions 246
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-17 19:30 | 2026-09-16 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $104.73 | -17.5K | 466.7K | -4% | -$1.83M |
| 2026-09-04 16:51 | 2026-09-03 | FORM | STEVEN-WAISS KELLEY | Dir | S - Sale | $96.10 | -2,100 | 24.4K | -8% | -$201.8K | |
| MT | 2026-08-17 18:16 | 2026-08-14 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $130.95 | -16.0K | 484.2K | -3% | -$2.10M |
| DM | 2026-08-10 18:58 | 2026-08-07 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +147.7K | 503.5K | +42% | $0 |
| DM | 2026-08-10 18:58 | 2026-08-07 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $117.39 | -82.2K | 500.2K | -14% | -$9.65M |
| DM | 2026-08-07 17:56 | 2026-08-05+ | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +9,675 | 438.1K | +2% | $0 |
| DM | 2026-08-07 17:56 | 2026-08-05+ | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $114.92 | -5,385 | 434.7K | -1% | -$618.8K |
| DM | 2026-08-07 17:49 | 2026-08-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +1,620 | 14.4K | +13% | $0 |
| DM | 2026-08-07 17:49 | 2026-08-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $114.96 | -404 | 14.2K | -3% | -$46.4K |
| MT | 2026-07-16 17:30 | 2026-07-15 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $118.31 | -4,735 | 430.4K | -1% | -$560.2K |
| 2026-06-16 20:31 | 2026-06-15 | FORM | St Dennis Thomas | Dir | S - Sale | $151.49 | -2,800 | 29.1K | -9% | -$424.2K | |
| 2026-06-16 20:31 | 2026-06-16 | FORM | St Dennis Thomas | Dir | G - Gift | $0.00 | -740 | 28.3K | -3% | $0 | |
| MT | 2026-06-11 19:05 | 2026-06-10 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $121.35 | -11.9K | 435.1K | -3% | -$1.44M |
| D | 2026-06-04 18:22 | 2026-06-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +773 | 13.1K | +6% | $0 |
| D | 2026-06-04 18:22 | 2026-06-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $125.11 | -193 | 12.9K | -1% | -$24.1K |
| 2026-06-04 18:20 | 2026-06-02 | FORM | Rhodes Sheri | Dir | S - Sale | $125.40 | -6,328 | 5,375 | -54% | -$793.5K | |
| 2026-05-22 19:04 | 2026-05-21 | FORM | Obregon-Jimenez Rebeca | Dir | S - Sale | $126.47 | -3,828 | 7,875 | -33% | -$484.1K | |
| 2026-05-21 17:51 | 2026-05-20 | FORM | WHITE BRIAN C | Dir | S - Sale | $126.00 | -3,250 | 8,653 | -27% | -$409.5K | |
| 2026-05-21 17:48 | 2026-05-19 | FORM | St Dennis Thomas | Dir | S - Sale | $115.84 | -1,000 | 31.9K | -3% | -$115.8K | |
| 2026-05-19 19:10 | 2026-05-15 | FORM | St Dennis Thomas | Dir | A - Grant | $0.00 | +1,347 | 32.9K | +4% | $0 | |
| 2026-05-19 19:09 | 2026-05-15 | FORM | Obregon-Jimenez Rebeca | Dir | A - Grant | $0.00 | +1,347 | 11.7K | +13% | $0 | |
| 2026-05-19 19:09 | 2026-05-15 | FORM | Rhodes Sheri | Dir | A - Grant | $0.00 | +1,347 | 11.7K | +13% | $0 | |
| 2026-05-19 19:08 | 2026-05-15 | FORM | STEVEN-WAISS KELLEY | Dir | A - Grant | $0.00 | +1,347 | 26.5K | +5% | $0 | |
| 2026-05-19 19:07 | 2026-05-15 | FORM | Titinger Jorge | Dir | A - Grant | $0.00 | +1,347 | 14.8K | +10% | $0 | |
| 2026-05-19 19:07 | 2026-05-15 | FORM | WHITE BRIAN C | Dir | A - Grant | $0.00 | +1,347 | 11.9K | +13% | $0 | |
| 2026-05-15 18:29 | 2026-05-13 | FORM | Titinger Jorge | Dir | S - Sale | $128.78 | -4,009 | 13.5K | -23% | -$516.3K | |
| 2026-05-15 18:22 | 2026-05-15 | FORM | STEVEN-WAISS KELLEY | Dir | S - Sale | $125.60 | -5,400 | 25.2K | -18% | -$678.2K | |
| MT | 2026-05-14 17:32 | 2026-05-13 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $126.52 | -9,438 | 447.0K | -2% | -$1.19M |
| D | 2026-05-08 16:52 | 2026-05-07 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +5,908 | 459.8K | +1% | $0 |
| D | 2026-05-08 16:52 | 2026-05-07 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $144.68 | -3,288 | 456.5K | -0.7% | -$475.7K |
| DM | 2026-05-07 18:38 | 2026-05-05+ | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +9,675 | 457.2K | +2% | $0 |
| DM | 2026-05-07 18:38 | 2026-05-05+ | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $147.57 | -5,385 | 453.9K | -1% | -$794.7K |
| DM | 2026-05-07 18:36 | 2026-05-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +1,620 | 12.6K | +15% | $0 |
| DM | 2026-05-07 18:36 | 2026-05-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $147.79 | -404 | 12.4K | -3% | -$59.7K |
| MT | 2026-04-15 16:35 | 2026-04-15 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $127.72 | -11.3K | 449.6K | -2% | -$1.44M |
| M | 2026-03-18 | 2026-03-18 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $95.15 | -10.2K | 463.7K | -2% | -$973.1K |
| 2026-03-06 | 2026-03-05 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | S - Sale | $90.42 | -3,462 | 11.1K | -24% | -$313.0K | |
| D | 2026-03-03 | 2026-03-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $99.70 | -193 | 14.6K | -1% | -$19.2K |
| D | 2026-03-03 | 2026-03-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +773 | 14.8K | +6% | $0 |
| 2026-02-25 | 2026-02-24 | FORM | WHITE BRIAN C | Dir | S - Sale | $100.01 | -2,300 | 10.6K | -18% | -$230.0K | |
| M | 2026-02-18 | 2026-02-18 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $94.14 | -8,664 | 471.1K | -2% | -$815.6K |
| 2026-02-12 | 2026-02-11 | FORM | BREWER KEVIN J | Dir | S - Sale | $96.20 | -3,000 | 8,105 | -27% | -$288.6K | |
| D | 2026-02-11 | 2026-02-09 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +5,908 | 483.0K | +1% | $0 |
| D | 2026-02-11 | 2026-02-09 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $94.88 | -3,288 | 479.8K | -0.7% | -$312.0K |
| 2026-02-11 | 2026-02-10 | FORM | Rhodes Sheri | Dir | S - Sale | $92.61 | -7,634 | 10.4K | -42% | -$707.0K | |
| 2026-02-11 | 2026-02-10 | FORM | STEVEN-WAISS KELLEY | Dir | S - Sale | $93.70 | -2,200 | 30.6K | -7% | -$206.1K | |
| M | 2026-02-11 | 2026-02-10 | FORM | St Dennis Thomas | Dir | S - Sale | $93.84 | -7,431 | 31.5K | -19% | -$697.3K |
| 2026-02-10 | 2026-02-09 | FORM | WHITE BRIAN C | Dir | S - Sale | $90.95 | -5,500 | 12.9K | -30% | -$500.2K | |
| 2026-02-10 | 2026-02-09 | FORM | Titinger Jorge | Dir | S - Sale | $88.84 | -2,000 | 17.5K | -10% | -$177.7K | |
| 2026-02-10 | 2026-02-09 | FORM | Obregon-Jimenez Rebeca | Dir | S - Sale | $95.82 | -2,770 | 10.4K | -21% | -$265.4K | |
| DM | 2026-02-09 | 2026-02-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +1,620 | 14.4K | +13% | $0 |
| DM | 2026-02-09 | 2026-02-05+ | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $88.20 | -498 | 14.0K | -3% | -$43.9K |
| DM | 2026-02-09 | 2026-02-05+ | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +9,675 | 480.5K | +2% | $0 |
| DM | 2026-02-09 | 2026-02-05+ | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $87.82 | -5,452 | 474.5K | -1% | -$478.8K |
| M | 2026-01-15 | 2026-01-15 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $76.81 | -13.1K | 479.0K | -3% | -$1.01M |
| 2026-01-06 | 2026-01-06 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $65.00 | -39.6K | 486.0K | -8% | -$2.57M | |
| M | 2025-12-17 | 2025-12-17 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $56.36 | -7,669 | 525.6K | -1% | -$432.2K |
| D | 2025-12-03 | 2025-12-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $56.04 | -193 | 12.3K | -2% | -$10.8K |
| D | 2025-12-03 | 2025-12-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +773 | 12.5K | +7% | $0 |
| 2025-12-02 | 2025-12-02 | FORM | STEVEN-WAISS KELLEY | Dir | S - Sale | $55.97 | -2,700 | 32.8K | -8% | -$151.1K | |
| M | 2025-11-19 | 2025-11-19 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $50.06 | -8,403 | 536.9K | -2% | -$420.7K |
| 2025-11-17 | 2025-11-17 | FORM | St Dennis Thomas | Dir | S - Sale | $49.85 | -2,000 | 39.0K | -5% | -$99.7K | |
| D | 2025-11-10 | 2025-11-07 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $52.25 | -3,282 | 541.7K | -0.6% | -$171.5K |
| D | 2025-11-10 | 2025-11-07 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +5,908 | 545.0K | +1% | $0 |
| DM | 2025-11-07 | 2025-11-05+ | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | — | +9,675 | 538.4K | +2% | — |
| DM | 2025-11-07 | 2025-11-05+ | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $54.65 | -5,376 | 539.0K | -1.0% | -$293.8K |
| D | 2025-11-05 | 2025-11-05 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +521 | 11.8K | +5% | $0 |
| D | 2025-11-05 | 2025-11-05 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $55.36 | -130 | 11.7K | -1% | -$7,197 |
| 2025-11-04 | 2025-11-03 | FORM | SLESSOR MIKE | CEO, Dir | G - Gift | $0.00 | -5,000 | 534.7K | -0.9% | $0 | |
| 2025-09-12 | 2025-09-12 | FORM | STEVEN-WAISS KELLEY | Dir | S - Sale | $30.43 | -3,600 | 35.5K | -9% | -$109.5K | |
| D | 2025-09-03 | 2025-09-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | F - Tax | $28.43 | -193 | 11.3K | -2% | -$5,487 |
| D | 2025-09-03 | 2025-09-02 | FORM | McKinnis Aric Brendan | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +773 | 11.5K | +7% | $0 |
| 2025-08-13 | 2025-08-13 | FORM | Obregon-Jimenez Rebeca | Dir | S - Sale | $29.55 | -4,000 | 13.1K | -23% | -$118.2K | |
| D | 2025-08-08 | 2025-08-07 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | — | +5,908 | 543.0K | +1% | — |
| D | 2025-08-08 | 2025-08-07 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $27.98 | -3,282 | 539.7K | -0.6% | -$91.8K |
| D | 2025-08-08 | 2025-08-07 | FORM | Shahar Shai | CFO, SVP Gbl Fin | F - Tax | $27.98 | -1,642 | 56.0K | -3% | -$45.9K |
| D | 2025-08-08 | 2025-08-07 | FORM | Shahar Shai | CFO, SVP Gbl Fin | M - OptEx | — | +2,955 | 57.6K | +5% | — |
| D | 2025-08-06 | 2025-08-05 | FORM | Shahar Shai | CFO, SVP Gbl Fin | M - OptEx | — | +1,116 | 55.3K | +2% | — |
| D | 2025-08-06 | 2025-08-05 | FORM | Shahar Shai | CFO, SVP Gbl Fin | F - Tax | $29.14 | -620 | 54.7K | -1% | -$18.1K |
| D | 2025-08-06 | 2025-08-05 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $29.14 | -2,025 | 537.1K | -0.4% | -$59.0K |
| D | 2025-08-06 | 2025-08-05 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | — | +3,644 | 539.1K | +0.7% | — |
| DM | 2025-08-04 | 2025-08-01 | FORM | Shahar Shai | CFO, SVP Gbl Fin | F - Tax | $28.93 | -12.5K | 51.8K | -19% | -$362.0K |
| DM | 2025-08-04 | 2025-08-01 | FORM | Shahar Shai | CFO, SVP Gbl Fin | M - OptEx | $0.00 | +22.5K | 56.8K | +66% | $0 |
| DM | 2025-08-04 | 2025-08-01 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | $0.00 | +64.4K | 543.5K | +13% | $0 |
| DM | 2025-08-04 | 2025-08-01 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $28.93 | -35.8K | 529.1K | -6% | -$1.03M |
| 2025-07-02 | 2025-07-01 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $34.03 | -4,000 | 506.9K | -0.8% | -$136.1K | |
| 2025-06-03 | 2025-06-02 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $29.83 | -4,000 | 510.9K | -0.8% | -$119.3K | |
| 2025-05-30 | 2025-05-29 | FORM | St Dennis Thomas | Dir | S - Sale | $31.24 | -3,000 | 41.0K | -7% | -$93.7K | |
| 2025-05-16 | 2025-05-16 | FORM | STEVEN-WAISS KELLEY | Dir | A - Grant | $0.00 | +6,528 | 39.1K | +20% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | Titinger Jorge | Dir | A - Grant | $0.00 | +6,528 | 19.5K | +50% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | Rhodes Sheri | Dir | A - Grant | $0.00 | +6,528 | 18.0K | +57% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | WHITE BRIAN C | Dir | A - Grant | $0.00 | +6,528 | 18.4K | +55% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | Obregon-Jimenez Rebeca | Dir | A - Grant | $0.00 | +6,528 | 17.1K | +62% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | St Dennis Thomas | Dir | A - Grant | $0.00 | +6,528 | 44.0K | +17% | $0 | |
| 2025-05-16 | 2025-05-16 | FORM | BREWER KEVIN J | Dir | A - Grant | $0.00 | +6,528 | 11.1K | +143% | $0 | |
| D | 2025-05-08 | 2025-05-07 | FORM | Shahar Shai | CFO, SVP Gbl Fin | F - Tax | $29.66 | -1,642 | 44.0K | -4% | -$48.7K |
| D | 2025-05-08 | 2025-05-07 | FORM | Shahar Shai | CFO, SVP Gbl Fin | M - OptEx | — | +2,955 | 45.6K | +7% | — |
| D | 2025-05-08 | 2025-05-07 | FORM | SLESSOR MIKE | CEO, Dir | F - Tax | $29.66 | -3,282 | 514.9K | -0.6% | -$97.3K |
| D | 2025-05-08 | 2025-05-07 | FORM | SLESSOR MIKE | CEO, Dir | M - OptEx | — | +5,908 | 518.2K | +1% | — |
| D | 2025-05-07 | 2025-05-05 | FORM | Shahar Shai | CFO, SVP Gbl Fin | F - Tax | $29.81 | -620 | 42.7K | -1% | -$18.5K |
Purchase Sale Sale after option exercise All abbreviations