Slessor Mike (CIK 0001590177)

Latest company ownership

Shares held
533,270
Last filed at
Nov 19, 2025
Confidence Score
30.3
2025Q4
Confidence Score History
2013Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 17, 2025 Dec 17, 2025 FORMFACTOR INC CEO Sell 42.5 -7,669 -1.44% $432.2K
Nov 19, 2025 Nov 19, 2025 FORMFACTOR INC CEO Sell 42.5 -8,403 -1.55% $420.7K
Nov 7, 2025 Nov 10, 2025 FORMFACTOR INC CEO Sell 45.0 -3,282 -0.60% $171.5K
Nov 5, 2025 Nov 7, 2025 FORMFACTOR INC CEO Sell 45.0 -5,376 -0.50% $293.8K
Aug 7, 2025 Aug 8, 2025 FORMFACTOR INC CEO Sell 45.0 -3,282 -0.60% $91.8K
Aug 5, 2025 Aug 6, 2025 FORMFACTOR INC CEO Sell 47.5 -2,025 -0.38% $59K
Aug 1, 2025 Aug 4, 2025 FORMFACTOR INC CEO Sell 37.5 -35,753 -3.25% $1M
Jul 1, 2025 Jul 2, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.78% $136.1K
Jun 2, 2025 Jun 3, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.78% $119.3K
May 7, 2025 May 8, 2025 FORMFACTOR INC CEO Sell 45.0 -3,282 -0.63% $97.3K
May 5, 2025 May 7, 2025 FORMFACTOR INC CEO Sell 47.5 -2,025 -0.39% $60.4K
May 1, 2025 May 1, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.78% $126.9K
Apr 1, 2025 Apr 1, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.77% $113K
Mar 3, 2025 Mar 4, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.77% $132.2K
Feb 7, 2025 Feb 10, 2025 FORMFACTOR INC CEO Sell 45.0 -3,282 -0.62% $117.6K
Feb 5, 2025 Feb 6, 2025 FORMFACTOR INC CEO Sell 47.5 -2,151 -0.41% $88.4K
Feb 3, 2025 Feb 3, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.77% $155.9K
Jan 2, 2025 Jan 2, 2025 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.76% $177.8K
Dec 2, 2024 Dec 2, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.75% $162.3K
Nov 7, 2024 Nov 8, 2024 FORMFACTOR INC CEO Sell 45.0 -3,276 -0.61% $138.9K
Nov 5, 2024 Nov 6, 2024 FORMFACTOR INC CEO Sell 47.5 -2,021 -0.38% $79.3K
Nov 1, 2024 Nov 4, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.75% $155.2K
Oct 1, 2024 Oct 2, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.75% $181.1K
Sep 3, 2024 Sep 4, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.74% $185.2K
Aug 7, 2024 Aug 8, 2024 FORMFACTOR INC CEO Sell 45.0 -3,276 -0.60% $141.2K
Aug 1, 2024 Aug 5, 2024 FORMFACTOR INC CEO Sell 45.0 -19,506 -0.53% $888.7K
Jul 23, 2024 Jul 25, 2024 FORMFACTOR INC CEO Sell 37.5 -49,296 -8.55% $3M
Jul 1, 2024 Jul 2, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.81% $236K
Jun 3, 2024 Jun 4, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.81% $217.5K
May 7, 2024 May 8, 2024 FORMFACTOR INC CEO Sell 47.5 -2,108 -0.42% $118.1K
May 1, 2024 May 2, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.81% $175K
Apr 1, 2024 Apr 2, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.80% $183.8K
Mar 1, 2024 Mar 4, 2024 FORMFACTOR INC CEO Sell 47.5 -4,000 -0.79% $173.5K
Feb 7, 2024 Feb 9, 2024 FORMFACTOR INC CEO Sell 47.5 -2,248 -0.40% $85.7K
Nov 7, 2023 Nov 8, 2023 FORMFACTOR INC CEO Sell 45.0 -2,930 -0.51% $106.3K
Aug 27, 2023 Aug 30, 2023 FORMFACTOR INC CEO Sell 40.0 -8,624 -1.49% $269.5K
Aug 1, 2023 Aug 3, 2023 FORMFACTOR INC CEO Sell 40.0 -9,862 -1.00% $360.9K
Feb 13, 2023 Feb 15, 2023 FORMFACTOR INC CEO Sell 20.0 -13,300 -2.73% $319.7K
Aug 29, 2022 Aug 31, 2022 FORMFACTOR INC CEO Sell 40.0 -8,264 -1.67% $256K
Aug 2, 2022 Aug 4, 2022 FORMFACTOR INC CEO Sell 42.5 -6,712 -1.38% $233.9K
Jul 19, 2022 Jul 21, 2022 FORMFACTOR INC CEO Sell 37.5 -67,629 -12.53% $2.6M
Jun 6, 2022 Jun 8, 2022 FORMFACTOR INC CEO Sell 40.0 -7,579 -1.84% $306.6K
Nov 5, 2021 Nov 8, 2021 FORMFACTOR INC CEO Sell 17.5 -25,000 -5.98% $1.1M
Aug 27, 2021 Aug 30, 2021 FORMFACTOR INC CEO Sell 40.0 -8,997 -2.11% $353.1K
Aug 16, 2021 Aug 17, 2021 FORMFACTOR INC CEO Sell 40.0 -11,157 -2.65% $397.1K
Jul 19, 2021 Jul 21, 2021 FORMFACTOR INC CEO Sell 17.5 -71,256 -15.03% $2.4M
Jun 4, 2021 Jun 7, 2021 FORMFACTOR INC CEO Sell 40.0 -11,157 -3.16% $389.5K
May 26, 2021 May 26, 2021 FORMFACTOR INC CEO Sell 35.0 -15,010 -4.32% $520.5K
May 11, 2021 May 12, 2021 FORMFACTOR INC CEO Sell 36.3 -50,000 -2.76% $1.7M
Feb 24, 2021 Feb 24, 2021 FORMFACTOR INC CEO Sell 35.0 -15,000 -4.14% $704.3K
Feb 9, 2021 Feb 11, 2021 FORMFACTOR INC CEO Sell 32.5 -50,000 -4.38% $2.3M
Nov 19, 2020 Nov 20, 2020 FORMFACTOR INC CEO Sell 35.0 -14,112 -3.75% $546.7K
Nov 4, 2020 Nov 6, 2020 FORMFACTOR INC CEO Sell 27.5 -50,000 -6.22% $1.6M
Sep 4, 2020 Sep 9, 2020 FORMFACTOR INC CEO Sell 27.5 -50,000 -6.22% $1.2M
Sep 2, 2020 Sep 4, 2020 FORMFACTOR INC CEO Sell 27.5 -50,000 -6.22% $1.3M
Aug 17, 2020 Aug 19, 2020 FORMFACTOR INC CEO Sell 40.0 -11,157 -2.88% $326.3K
Jul 21, 2020 Jul 23, 2020 FORMFACTOR INC CEO Sell 17.5 -52,631 -12.54% $1.7M
Jul 20, 2020 Jul 22, 2020 FORMFACTOR INC CEO Sell 40.0 -9,357 -2.82% $300.8K
Jun 4, 2020 Jun 8, 2020 FORMFACTOR INC CEO Sell 40.0 -11,156 -3.43% $296.7K
Jun 2, 2020 Jun 3, 2020 FORMFACTOR INC CEO Sell 35.0 -16,000 -4.99% $401.9K
May 11, 2020 May 12, 2020 FORMFACTOR INC CEO Sell 27.5 -50,000 -7.23% $1.2M
Mar 2, 2020 Mar 4, 2020 FORMFACTOR INC CEO Sell 35.0 -15,856 -4.71% $351.4K
Feb 10, 2020 Feb 12, 2020 FORMFACTOR INC CEO Sell 27.5 -50,000 -6.91% $1.3M
Dec 2, 2019 Dec 4, 2019 FORMFACTOR INC CEO Sell 35.0 -14,976 -4.26% $341.7K
Nov 11, 2019 Nov 13, 2019 FORMFACTOR INC CEO Sell 27.5 -50,000 -6.64% $1.1M
Sep 5, 2019 Sep 6, 2019 FORMFACTOR INC CEO Sell 35.0 -14,835 -4.05% $267.5K
Sep 3, 2019 Sep 5, 2019 FORMFACTOR INC CEO Sell 35.0 -50,000 -4.47% $863.8K
Aug 16, 2019 Aug 20, 2019 FORMFACTOR INC CEO Sell 22.5 -11,156 -2.95% $192K
Jul 22, 2019 Jul 24, 2019 FORMFACTOR INC CEO Sell 22.5 -9,357 -2.55% $147.9K
May 2, 2019 May 3, 2019 FORMFACTOR INC CEO Sell 22.5 -5,398 -1.52% $91.4K
Apr 23, 2019 Apr 29, 2019 FORMFACTOR INC CEO Sell 20.0 -25,846 -6.98% $478.7K
Jul 20, 2018 Jul 24, 2018 FORMFACTOR INC CEO Sell 22.5 -9,357 -2.82% $131K
May 28, 2018 May 30, 2018 FORMFACTOR INC CEO Sell 26.3 -3,599 -1.13% $48.2K
May 2, 2018 May 4, 2018 FORMFACTOR INC CEO Sell 42.5 -5,398 -1.70% $64.2K
May 28, 2017 May 31, 2017 FORMFACTOR INC CEO Sell 42.5 -3,772 -1.22% $54.3K
May 5, 2017 May 9, 2017 FORMFACTOR INC CEO Sell 42.5 -10,373 -3.30% $147.8K
May 1, 2017 May 3, 2017 FORMFACTOR INC CEO Sell 40.0 -28,967 -4.70% $339.5K
May 31, 2016 Jun 2, 2016 FORMFACTOR INC CEO Sell 46.3 -3,401 -1.23% $24.9K
May 5, 2016 May 9, 2016 FORMFACTOR INC CEO Sell 42.5 -12,697 -2.33% $86.6K
May 2, 2016 May 3, 2016 FORMFACTOR INC CEO Sell 42.5 -32,857 -11.63% $234.5K
Nov 6, 2015 Nov 9, 2015 FORMFACTOR INC CEO Sell 42.5 -10,883 -5.22% $92.8K
May 6, 2015 May 8, 2015 FORMFACTOR INC CEO Sell 42.5 -6,674 -3.42% $55.3K
May 5, 2015 May 7, 2015 FORMFACTOR INC CEO Sell 42.5 -7,002 -3.74% $57.8K
May 4, 2015 May 7, 2015 FORMFACTOR INC CEO Sell 42.5 -29,165 -14.72% $245.7K
Nov 7, 2014 Mar 3, 2015 FORMFACTOR INC CEO Sell 42.5 -7,734 -5.91% $67.3K
Nov 6, 2014 Nov 10, 2014 FORMFACTOR INC President Sell 42.5 -7,515 -5.74% $65.4K
May 6, 2014 May 8, 2014 FORMFACTOR INC President Sell 46.3 -5,852 -5.01% $33.8K
Nov 6, 2013 Nov 8, 2013 FORMFACTOR INC President Sell 46.3 -7,677 -7.02% $39.1K