FORMFACTOR INC (FORM)

Latest Insider Confidence Score

2026Q1

40.3
Bearish

Company insider confidence (by quarter)

2008Q3 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Slessor Mike CEO 533,270 Nov 19, 2025
Prestridge James A Director 39,748 Sep 1, 2011
St Dennis Thomas Director 38,957 Nov 17, 2025
Steven-Waiss Kelley Director 32,779 Dec 2, 2025
Titinger Jorge Director 19,498 May 16, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 5, 2026 Mar 6, 2026 McKinnis Aric Brendan CFO Sell 15.0 -3,462 -23.71% $313K
Mar 2, 2026 Mar 3, 2026 McKinnis Aric Brendan CFO Sell 46.3 -193 -1.30% $19.2K
Feb 24, 2026 Feb 25, 2026 WHITE BRIAN C Director Sell 22.5 -2,300 -17.89% $230K
Feb 18, 2026 Feb 18, 2026 SLESSOR MIKE CEO Sell 45.0 -8,664 -1.81% $815.6K
Feb 11, 2026 Feb 12, 2026 BREWER KEVIN J Director Sell 20.0 -3,000 -27.01% $288.6K
Feb 9, 2026 Feb 11, 2026 SLESSOR MIKE CEO Sell 42.5 -3,288 -0.68% $312K
Feb 10, 2026 Feb 11, 2026 St Dennis Thomas Director Sell 20.0 -7,431 -19.07% $697.4K
Feb 10, 2026 Feb 11, 2026 Rhodes Sheri Director Sell 20.0 -7,634 -42.43% $707K
Feb 10, 2026 Feb 11, 2026 STEVEN-WAISS KELLEY Director Sell 22.5 -2,200 -6.71% $206.1K
Feb 9, 2026 Feb 10, 2026 Obregon-Jimenez Rebeca Director Sell 20.0 -2,770 -21.10% $265.4K
Feb 9, 2026 Feb 10, 2026 WHITE BRIAN C Director Sell 20.0 -5,500 -29.96% $500.2K
Feb 9, 2026 Feb 10, 2026 Titinger Jorge Director Sell 22.5 -2,000 -10.26% $177.7K
Feb 5, 2026 Feb 9, 2026 McKinnis Aric Brendan CFO Sell 46.3 -498 -1.79% $43.9K
Feb 5, 2026 Feb 9, 2026 SLESSOR MIKE CEO Sell 42.5 -5,452 -0.57% $478.8K
Jan 15, 2026 Jan 15, 2026 SLESSOR MIKE CEO Sell 40.0 -13,088 -2.69% $1M
Jan 6, 2026 Jan 6, 2026 SLESSOR MIKE CEO Sell 27.5 -39,606 -7.54% $2.6M
Dec 17, 2025 Dec 17, 2025 SLESSOR MIKE CEO Sell 42.5 -7,669 -1.44% $432.2K
Dec 2, 2025 Dec 3, 2025 McKinnis Aric Brendan CFO Sell 46.3 -193 -1.55% $10.8K
Dec 2, 2025 Dec 2, 2025 STEVEN-WAISS KELLEY Director Sell 22.5 -2,700 -7.61% $151.1K
Nov 19, 2025 Nov 19, 2025 SLESSOR MIKE CEO Sell 42.5 -8,403 -1.55% $420.7K
Nov 17, 2025 Nov 17, 2025 St Dennis Thomas Director Sell 22.5 -2,000 -4.88% $99.7K
Nov 7, 2025 Nov 10, 2025 SLESSOR MIKE CEO Sell 45.0 -3,282 -0.60% $171.5K
Nov 6, 2025 Nov 7, 2025 McKinnis Aric Brendan CFO Neutral 52.5 - 0.00% -
Nov 5, 2025 Nov 7, 2025 SLESSOR MIKE CEO Sell 45.0 -5,376 -0.50% $293.8K
Nov 5, 2025 Nov 5, 2025 McKinnis Aric Brendan CFO Sell 47.5 -130 -1.10% $7.2K
Nov 3, 2025 Nov 4, 2025 SLESSOR MIKE CEO Neutral 37.5 -5,000 -0.93% -
Sep 12, 2025 Sep 12, 2025 STEVEN-WAISS KELLEY Director Sell 22.5 -3,600 -9.21% $109.5K
Sep 2, 2025 Sep 3, 2025 McKinnis Aric Brendan CFO Sell 47.5 -193 -1.68% $5.5K
Aug 29, 2025 McKinnis Aric Brendan CFO Neutral 52.5 - 0.00% -
Aug 13, 2025 Aug 13, 2025 Obregon-Jimenez Rebeca Director Sell 22.5 -4,000 -23.36% $118.2K
Aug 7, 2025 Aug 8, 2025 SLESSOR MIKE CEO Sell 45.0 -3,282 -0.60% $91.8K
Aug 7, 2025 Aug 8, 2025 Shahar Shai CFO Sell 46.3 -1,642 -2.85% $45.9K
Aug 5, 2025 Aug 6, 2025 SLESSOR MIKE CEO Sell 47.5 -2,025 -0.38% $59K
Aug 5, 2025 Aug 6, 2025 Shahar Shai CFO Sell 46.3 -620 -1.12% $18.1K
Aug 1, 2025 Aug 4, 2025 SLESSOR MIKE CEO Sell 37.5 -35,753 -3.25% $1M
Aug 1, 2025 Aug 4, 2025 Shahar Shai CFO Sell 40.0 -12,514 -10.57% $362K
Jul 1, 2025 Jul 2, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.78% $136.1K
Jun 2, 2025 Jun 3, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.78% $119.3K
May 29, 2025 May 30, 2025 St Dennis Thomas Director Sell 22.5 -3,000 -6.82% $93.7K
May 16, 2025 May 16, 2025 STEVEN-WAISS KELLEY Director Neutral 90.0 +6,528 20.05% -
May 16, 2025 May 16, 2025 WHITE BRIAN C Director Neutral 90.0 +6,528 55.19% -
May 16, 2025 May 16, 2025 Titinger Jorge Director Neutral 90.0 +6,528 50.33% -
May 16, 2025 May 16, 2025 Rhodes Sheri Director Neutral 90.0 +6,528 56.95% -
May 16, 2025 May 16, 2025 Obregon-Jimenez Rebeca Director Neutral 90.0 +6,528 61.60% -
May 16, 2025 May 16, 2025 BREWER KEVIN J Director Neutral 90.0 +6,528 142.63% -
May 16, 2025 May 16, 2025 St Dennis Thomas Director Neutral 90.0 +6,528 17.44% -
May 7, 2025 May 8, 2025 SLESSOR MIKE CEO Sell 45.0 -3,282 -0.63% $97.3K
May 7, 2025 May 8, 2025 Shahar Shai CFO Sell 46.3 -1,642 -3.60% $48.7K
May 5, 2025 May 7, 2025 Shahar Shai CFO Sell 46.3 -620 -1.43% $18.5K
May 5, 2025 May 7, 2025 SLESSOR MIKE CEO Sell 47.5 -2,025 -0.39% $60.4K
May 1, 2025 May 1, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.78% $126.9K
Apr 1, 2025 Apr 1, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.77% $113K
Mar 5, 2025 Mar 6, 2025 STEVEN-WAISS KELLEY Director Sell 22.5 -3,870 -10.63% $120K
Mar 3, 2025 Mar 4, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.77% $132.2K
Feb 7, 2025 Feb 10, 2025 Shahar Shai CFO Sell 42.5 -1,751 -3.98% $62.8K
Feb 7, 2025 Feb 10, 2025 SLESSOR MIKE CEO Sell 45.0 -3,282 -0.62% $117.6K
Feb 5, 2025 Feb 6, 2025 SLESSOR MIKE CEO Sell 47.5 -2,151 -0.41% $88.4K
Feb 5, 2025 Feb 6, 2025 Shahar Shai CFO Sell 46.3 -680 -1.63% $28K
Feb 3, 2025 Feb 3, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.77% $155.9K
Jan 2, 2025 Jan 2, 2025 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.76% $177.8K
Dec 2, 2024 Dec 2, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.75% $162.3K
Nov 7, 2024 Nov 8, 2024 Shahar Shai CFO Sell 42.5 -1,640 -3.96% $69.5K
Nov 7, 2024 Nov 8, 2024 SLESSOR MIKE CEO Sell 45.0 -3,276 -0.61% $138.9K
Nov 5, 2024 Nov 6, 2024 Shahar Shai CFO Sell 46.3 -619 -1.58% $24.3K
Nov 5, 2024 Nov 6, 2024 SLESSOR MIKE CEO Sell 47.5 -2,021 -0.38% $79.3K
Nov 5, 2024 Nov 6, 2024 St Dennis Thomas Director Sell 22.5 -3,100 -7.65% $121.2K
Nov 1, 2024 Nov 4, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.75% $155.2K
Oct 1, 2024 Oct 2, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.75% $181.1K
Sep 3, 2024 Sep 4, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.74% $185.2K
Aug 5, 2024 Aug 9, 2024 SLESSOR MIKE CEO Neutral 52.5 - 0.00% -
Aug 5, 2024 Aug 9, 2024 Shahar Shai CFO Neutral 52.5 - 0.00% -
Aug 7, 2024 Aug 8, 2024 Shahar Shai CFO Sell 42.5 -1,640 -4.14% $70.7K
Aug 7, 2024 Aug 8, 2024 SLESSOR MIKE CEO Sell 45.0 -3,276 -0.60% $141.2K
Aug 6, 2024 Aug 7, 2024 Titinger Jorge Director Sell 20.0 -6,770 -34.30% $284K
Aug 1, 2024 Aug 5, 2024 Shahar Shai CFO Sell 42.5 -5,511 -7.19% $243.2K
Aug 1, 2024 Aug 5, 2024 SLESSOR MIKE CEO Sell 45.0 -19,506 -0.53% $888.7K
Jul 23, 2024 Jul 25, 2024 Shahar Shai CFO Sell 37.5 -17,801 -35.84% $1.1M
Jul 23, 2024 Jul 25, 2024 SLESSOR MIKE CEO Sell 37.5 -49,296 -8.55% $3M
Jul 1, 2024 Jul 2, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.81% $236K
Jun 3, 2024 Jun 4, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.81% $217.5K
May 28, 2024 May 29, 2024 Obregon-Jimenez Rebeca Director Sell 20.0 -4,833 -31.32% $278.3K
May 20, 2024 May 22, 2024 WHITE BRIAN C Director Sell 22.5 -3,290 -21.76% $187.5K
May 17, 2024 May 21, 2024 Titinger Jorge Director Neutral 90.0 +3,828 24.06% -
May 17, 2024 May 21, 2024 WHITE BRIAN C Director Neutral 90.0 +3,828 33.91% -
May 17, 2024 May 21, 2024 Rhodes Sheri Director Neutral 90.0 +3,828 50.14% -
May 17, 2024 May 21, 2024 St Dennis Thomas Director Neutral 90.0 +3,828 10.43% -
May 17, 2024 May 21, 2024 Obregon-Jimenez Rebeca Director Neutral 90.0 +3,828 32.99% -
May 17, 2024 May 21, 2024 BREWER KEVIN J Director Neutral 90.0 +3,828 511.08% -
May 17, 2024 May 21, 2024 STEVEN-WAISS KELLEY Director Neutral 90.0 +3,828 11.74% -
May 14, 2024 May 15, 2024 MAIER LOTHAR Director Sell 16.3 -99,723 -93.64% $5.5M
May 10, 2024 May 13, 2024 St Dennis Thomas Director Sell 22.5 -2,000 -5.17% $112.6K
May 7, 2024 May 8, 2024 SLESSOR MIKE CEO Sell 47.5 -2,108 -0.42% $118.1K
May 6, 2024 May 8, 2024 Shahar Shai CFO Sell 40.0 -12,977 -13.68% $715.9K
May 7, 2024 May 8, 2024 Rhodes Sheri Director Sell 20.0 -13,319 -63.57% $746.1K
May 6, 2024 May 8, 2024 STEVEN-WAISS KELLEY Director Sell 20.0 -4,800 -12.84% $260.3K
May 1, 2024 May 2, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.81% $175K
Apr 1, 2024 Apr 2, 2024 SLESSOR MIKE CEO Sell 47.5 -4,000 -0.80% $183.8K
Mar 19, 2024 Mar 21, 2024 BREWER KEVIN J Director Neutral 90.0 +749 100.00% -
Mar 21, 2024 BREWER KEVIN J Director Neutral 52.5 - 0.00% -
Mar 4, 2024 Mar 5, 2024 Shahar Shai CFO Sell 20.0 -10,000 -26.60% $445.1K