D. Slessor Michael's most recent trade in FormFactor Inc. was a trade of 5,535 Common Stock done at an average price of $132.5 . Disclosure was reported to the exchange on Aug. 14, 2026.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 132.50 per share. | 14 Aug 2026 | 5,535 | 484,890 (0%) | 0% | 132.5 | 733,388 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 130.54 per share. | 14 Aug 2026 | 3,282 | 491,550 (0%) | 0% | 130.5 | 428,432 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 129.55 per share. | 14 Aug 2026 | 2,892 | 494,832 (0%) | 0% | 129.6 | 374,659 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 128.72 per share. | 14 Aug 2026 | 2,482 | 497,724 (0%) | 0% | 128.7 | 319,483 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 131.65 per share. | 14 Aug 2026 | 1,125 | 490,425 (0%) | 0% | 131.6 | 148,106 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 133.33 per share. | 14 Aug 2026 | 686 | 484,204 (0%) | 0% | 133.3 | 91,464 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2026 | 141,792 | 576,494 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2026 | 141,792 | 0 | - | - | Performance-based Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Aug 2026 | 141,792 | 141,792 | - | - | Performance-based Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 117.39 per share. | 06 Aug 2026 | 78,908 | 497,586 (0%) | 0% | 117.4 | 9,263,010 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Aug 2026 | 27,696 | 27,696 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2026 | 5,908 | 0 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2026 | 5,908 | 503,494 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 117.39 per share. | 06 Aug 2026 | 3,288 | 500,206 (0%) | 0% | 117.4 | 385,978 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2026 | 6,031 | 48,248 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2026 | 6,031 | 438,059 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2026 | 3,644 | 434,056 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2026 | 3,644 | 14,576 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 115.21 per share. | 05 Aug 2026 | 3,357 | 434,702 (0%) | 0% | 115.2 | 386,760 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 114.44 per share. | 05 Aug 2026 | 2,028 | 432,028 (0%) | 0% | 114.4 | 232,084 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 117.39 per share. | 15 Jul 2026 | 1,650 | 432,456 (0%) | 0% | 117.4 | 193,694 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 116.56 per share. | 15 Jul 2026 | 1,041 | 434,106 (0%) | 0% | 116.6 | 121,339 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 121.30 per share. | 15 Jul 2026 | 868 | 430,412 (0%) | 0% | 121.3 | 105,288 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 118.21 per share. | 15 Jul 2026 | 706 | 431,750 (0%) | 0% | 118.2 | 83,456 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 120.58 per share. | 15 Jul 2026 | 300 | 431,280 (0%) | 0% | 120.6 | 36,174 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 119.08 per share. | 15 Jul 2026 | 170 | 431,580 (0%) | 0% | 119.1 | 20,244 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 121.72 per share. | 10 Jun 2026 | 4,220 | 439,276 (0%) | 0% | 121.7 | 513,658 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 122.63 per share. | 10 Jun 2026 | 2,500 | 436,776 (0%) | 0% | 122.6 | 306,575 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 123.37 per share. | 10 Jun 2026 | 1,629 | 435,147 (0%) | 0% | 123.4 | 200,970 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 117.70 per share. | 10 Jun 2026 | 1,399 | 445,638 (0%) | 0% | 117.7 | 164,662 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 121.00 per share. | 10 Jun 2026 | 975 | 443,496 (0%) | 0% | 121 | 117,975 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 119.00 per share. | 10 Jun 2026 | 767 | 444,871 (0%) | 0% | 119 | 91,273 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 119.46 per share. | 10 Jun 2026 | 400 | 444,471 (0%) | 0% | 119.5 | 47,784 | Common Stock |
| Benchmark Electronics Inc | Michael D. Slessor | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 27 May 2026 | 2,093 | 4,349 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 124.71 per share. | 13 May 2026 | 2,984 | 451,491 (0%) | 0% | 124.7 | 372,135 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 125.58 per share. | 13 May 2026 | 1,388 | 450,103 (0%) | 0% | 125.6 | 174,305 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 123.72 per share. | 13 May 2026 | 1,300 | 454,475 (0%) | 0% | 123.7 | 160,836 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 136.15 per share. | 13 May 2026 | 702 | 447,037 (0%) | 0% | 136.1 | 95,577 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 122.84 per share. | 13 May 2026 | 700 | 455,775 (0%) | 0% | 122.8 | 85,988 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 129.33 per share. | 13 May 2026 | 700 | 448,205 (0%) | 0% | 129.3 | 90,531 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 128.52 per share. | 13 May 2026 | 700 | 448,905 (0%) | 0% | 128.5 | 89,964 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 126.59 per share. | 13 May 2026 | 398 | 449,705 (0%) | 0% | 126.6 | 50,383 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 132.63 per share. | 13 May 2026 | 200 | 447,805 (0%) | 0% | 132.6 | 26,526 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 130.57 per share. | 13 May 2026 | 200 | 448,005 (0%) | 0% | 130.6 | 26,114 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 127.47 per share. | 13 May 2026 | 100 | 449,605 (0%) | 0% | 127.5 | 12,747 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 135.73 per share. | 13 May 2026 | 66 | 447,739 (0%) | 0% | 135.7 | 8,958 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 May 2026 | 5,908 | 459,763 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 May 2026 | 5,908 | 5,908 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 144.68 per share. | 07 May 2026 | 3,288 | 456,475 (0%) | 0% | 144.7 | 475,708 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 May 2026 | 6,031 | 54,279 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 May 2026 | 6,031 | 457,212 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 May 2026 | 3,644 | 453,209 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 May 2026 | 3,644 | 18,220 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 149.12 per share. | 05 May 2026 | 3,357 | 453,855 (0%) | 0% | 149.1 | 500,596 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 145.00 per share. | 05 May 2026 | 2,028 | 451,181 (0%) | 0% | 145 | 294,060 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 128.56 per share. | 15 Apr 2026 | 5,432 | 450,332 (0%) | 0% | 128.6 | 698,338 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 127.65 per share. | 15 Apr 2026 | 2,369 | 455,764 (0%) | 0% | 127.7 | 302,403 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 125.24 per share. | 15 Apr 2026 | 1,826 | 459,033 (0%) | 0% | 125.2 | 228,688 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 126.58 per share. | 15 Apr 2026 | 900 | 458,133 (0%) | 0% | 126.6 | 113,922 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 129.22 per share. | 15 Apr 2026 | 767 | 449,565 (0%) | 0% | 129.2 | 99,112 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 95.21 per share. | 18 Mar 2026 | 5,495 | 463,691 (0%) | 0% | 95.2 | 523,179 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 95.73 per share. | 18 Mar 2026 | 2,832 | 460,859 (0%) | 0% | 95.7 | 271,107 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 94.10 per share. | 18 Mar 2026 | 1,900 | 469,186 (0%) | 0% | 94.1 | 178,790 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Feb 2026 | 5,908 | 483,038 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 09 Feb 2026 | 5,908 | 11,816 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 94.88 per share. | 09 Feb 2026 | 3,288 | 479,750 (0%) | 0% | 94.9 | 311,965 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Feb 2026 | 6,031 | 60,310 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Feb 2026 | 6,031 | 480,487 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Feb 2026 | 3,644 | 21,864 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Feb 2026 | 3,644 | 476,551 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 90.29 per share. | 05 Feb 2026 | 3,357 | 477,130 (0%) | 0% | 90.3 | 303,104 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 83.87 per share. | 05 Feb 2026 | 2,095 | 474,456 (0%) | 0% | 83.9 | 175,708 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 76.43 per share. | 15 Jan 2026 | 6,976 | 479,019 (0%) | 0% | 76.4 | 533,176 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 77.24 per share. | 15 Jan 2026 | 6,112 | 472,907 (0%) | 0% | 77.2 | 472,091 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 65.00 per share. | 06 Jan 2026 | 39,606 | 485,995 (0%) | 0% | 65 | 2,574,390 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 56.19 per share. | 17 Dec 2025 | 5,606 | 527,664 (0%) | 0% | 56.2 | 315,001 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 56.82 per share. | 17 Dec 2025 | 2,063 | 525,601 (0%) | 0% | 56.8 | 117,220 | Common Stock |
| Benchmark Electronics Inc | Michael D. Slessor | Director | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 12 Dec 2025 | 2,256 | 2,256 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 49.65 per share. | 19 Nov 2025 | 4,739 | 536,934 (0%) | 0% | 49.6 | 235,291 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Sale of securities on an exchange or to another person at price $ 50.60 per share. | 19 Nov 2025 | 3,664 | 533,270 (0%) | 0% | 50.6 | 185,398 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 Nov 2025 | 5,908 | 544,955 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 07 Nov 2025 | 5,908 | 17,724 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 52.25 per share. | 07 Nov 2025 | 3,282 | 541,673 (0%) | 0% | 52.3 | 171,485 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Nov 2025 | 6,031 | 66,341 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Nov 2025 | 6,031 | 542,398 (0%) | 0% | - | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Nov 2025 | 3,644 | 538,392 (0%) | 0% | - | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Nov 2025 | 3,644 | 25,508 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 54.22 per share. | 05 Nov 2025 | 3,351 | 539,047 (0%) | 0% | 54.2 | 181,691 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 55.36 per share. | 05 Nov 2025 | 2,025 | 536,367 (0%) | 0% | 55.4 | 112,104 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Gift of securities by or to the insider at price $ 0.00 per share. | 03 Nov 2025 | 5,000 | 534,748 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 06 Aug 2025 | 72,372 | 72,372 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2025 | 5,908 | 543,030 (0%) | 0% | - | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 06 Aug 2025 | 5,908 | 23,632 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 27.98 per share. | 06 Aug 2025 | 3,282 | 539,748 (0%) | 0% | 28.0 | 91,830 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2025 | 3,644 | 29,152 | - | - | Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 05 Aug 2025 | 3,644 | 539,147 (0%) | 0% | - | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 29.14 per share. | 05 Aug 2025 | 2,025 | 537,122 (0%) | 0% | 29.1 | 59,009 | Common Stock |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Aug 2025 | 49,935 | 556,830 (0%) | 0% | 0 | Common Stock | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Aug 2025 | 49,935 | 0 | - | - | Performance-based Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 01 Aug 2025 | 49,935 | 49,935 | - | - | Performance-based Restricted Stock Units | |
| FormFactor Inc | Michael D. Slessor | Director, CEO | Payment of exercise price or tax liability using portion of securities received from the company at price $ 28.93 per share. | 01 Aug 2025 | 27,739 | 529,091 (0%) | 0% | 28.9 | 802,489 | Common Stock |