FORM
TechnologyFormFactor, Inc.
$89.80+1.40 (+1.58%)
Prev Close
$88.40
Open
$90.39
High
$92.00
Low
$88.89
Volume
410.6K
Market Cap
$6.72B
P/E
130.14
Div Yield
—
Over the past 12 months, insider activity at FormFactor, Inc. (FORM) has been exclusively selling, with 0 insider purchases totaling $0.00 and 22 insider sales totaling $10.25M. The most recent insider transaction was by McKinnis Aric Brendan (officer: CFO, SVP Global Finance), who sold $313.0K worth of shares on Mar 6, 2026. FormFactor, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $6.72B.
Buys (12M)
0
$0.00
Sells (12M)
22
$10.25M
Net Activity
Net Seller
$10.25M
Active Insiders
9
last 12 mo
FORM Price Chart
FORM Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026↗ | McKinnis Aric Brendan | officer: CFO, SVP Global Finance | Sell | 3,462 | $90.42 | $313.0K | 11,140 |
| Feb 25, 2026↗ | WHITE BRIAN C | director | Sell | 2,300 | $100.01 | $230.0K | 10,556 |
| Feb 18, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 17,328 | $94.14 | $1.63M | 478,916 |
| Feb 12, 2026↗ | BREWER KEVIN J | director | Sell | 3,000 | $96.20 | $288.6K | 8,105 |
| Feb 11, 2026↗ | Rhodes Sheri | director | Sell | 7,634 | $92.61 | $707.0K | 10,356 |
| Feb 11, 2026↗ | St Dennis Thomas | director | Sell | 7,431 | $93.84 | $697.4K | 33,356 |
| Feb 11, 2026↗ | STEVEN-WAISS KELLEY | director | Sell | 2,200 | $93.70 | $206.1K | 30,579 |
| Feb 10, 2026↗ | Titinger Jorge | director | Sell | 2,000 | $88.84 | $177.7K | 17,498 |
| Feb 10, 2026↗ | WHITE BRIAN C | director | Sell | 5,500 | $90.95 | $500.2K | 12,856 |
| Jan 15, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 13,088 | $76.81 | $1.01M | 479,019 |
| Jan 6, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 39,606 | $65.00 | $2.57M | 485,995 |
| Dec 17, 2025↗ | SLESSOR MIKE | CEO | Sell | 7,669 | $56.36 | $432.2K | 527,664 |
| Dec 2, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 2,700 | $55.97 | $151.1K | 32,779 |
| Nov 19, 2025↗ | SLESSOR MIKE | CEO | Sell | 8,403 | $50.06 | $420.7K | 536,934 |
| Nov 17, 2025↗ | St Dennis Thomas | Director | Sell | 2,000 | $49.85 | $99.7K | 38,957 |
| Sep 12, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,600 | $30.43 | $109.5K | 35,479 |
| Aug 13, 2025↗ | Obregon-Jimenez Rebeca | Director | Sell | 4,000 | $29.55 | $118.2K | 13,126 |
| Jul 2, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $34.03 | $136.1K | 506,895 |
| Jun 3, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $29.83 | $119.3K | 510,895 |
| May 30, 2025↗ | St Dennis Thomas | Director | Sell | 3,000 | $31.24 | $93.7K | 40,957 |
| May 1, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $31.72 | $126.9K | 510,650 |
| Apr 1, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $28.24 | $113.0K | 514,650 |
| Mar 6, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,870 | $31.02 | $120.0K | 32,551 |
| Mar 4, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $33.05 | $132.2K | 518,650 |
| Feb 3, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $38.98 | $155.9K | 518,631 |
| Jan 2, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $44.44 | $177.8K | 522,931 |
| Dec 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $40.59 | $162.3K | 526,632 |
| Nov 6, 2024↗ | St Dennis Thomas | Director | Sell | 3,100 | $39.11 | $121.2K | 37,429 |
| Nov 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $38.81 | $155.2K | 526,276 |
| Oct 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $45.28 | $181.1K | 531,276 |
| Sep 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $46.31 | $185.2K | 535,464 |
| Aug 7, 2024↗ | Titinger Jorge | Director | Sell | 6,770 | $41.94 | $284.0K | 12,970 |
| Aug 5, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $50.93 | $203.7K | 526,149 |
| Jul 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $59.00 | $236.0K | 489,258 |
| Jun 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $54.37 | $217.5K | 492,811 |
| May 29, 2024↗ | Obregon-Jimenez Rebeca | Director | Sell | 4,833 | $57.59 | $278.3K | 10,598 |
| May 22, 2024↗ | WHITE BRIAN C | Director | Sell | 3,290 | $57.00 | $187.5K | 11,828 |
| May 15, 2024↗ | MAIER LOTHAR | Director | Sell | 99,723 | $55.08 | $5.49M | 6,770 |
| May 13, 2024↗ | St Dennis Thomas | Director | Sell | 2,000 | $56.30 | $112.6K | 36,701 |
| May 8, 2024↗ | Rhodes Sheri | Director | Sell | 13,319 | $56.02 | $746.1K | 7,634 |
| May 8, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 11,922 | $55.09 | $656.8K | 26,911 |
| May 8, 2024↗ | STEVEN-WAISS KELLEY | Director | Sell | 4,800 | $54.24 | $260.3K | 32,593 |
| May 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $43.75 | $175.0K | 491,781 |
| Apr 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $45.94 | $183.8K | 495,781 |
| Mar 5, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 10,000 | $44.51 | $445.1K | 27,591 |
| Mar 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $43.38 | $173.5K | 499,781 |
| Feb 13, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 10,000 | $42.12 | $421.2K | 67,141 |
| Dec 5, 2023↗ | Obregon-Jimenez Rebeca | Director | Sell | 8,490 | $37.51 | $318.5K | 11,603 |
| Nov 21, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 16,618 | $39.49 | $656.2K | 77,941 |
| Nov 15, 2023↗ | St Dennis Thomas | Director | Sell | 3,792 | $38.24 | $145.0K | 38,701 |
| Nov 13, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 24,360 | $36.40 | $886.7K | 118,426 |
| Mar 7, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 4,759 | $29.68 | $141.2K | 72,900 |
| Feb 17, 2023↗ | St Dennis Thomas | Director | Sell | 13,000 | $32.31 | $420.0K | 30,890 |
| Feb 15, 2023↗ | SLESSOR MIKE | CEO | Sell | 10,000 | $31.97 | $319.7K | 477,438 |
| May 17, 2022↗ | LINK RAYMOND A | Director | Sell | 1,600 | $40.23 | $64.4K | 61,392 |
| Feb 10, 2022↗ | STEVEN-WAISS KELLEY | Director | Sell | 6,000 | $42.62 | $255.7K | 15,998 |
| Feb 9, 2022↗ | Obregon-Jimenez Rebeca | Director | Sell | 2,400 | $41.61 | $99.9K | 4,698 |
| Feb 9, 2022↗ | St Dennis Thomas | Director | Sell | 6,000 | $41.63 | $249.8K | 40,098 |
| Nov 26, 2021↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,000 | $43.12 | $129.4K | 21,998 |
| Nov 10, 2021↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 3,374 | $43.78 | $147.7K | 39,470 |
| Nov 8, 2021↗ | SLESSOR MIKE | CEO | Sell | 25,000 | $44.60 | $1.12M | 392,948 |
| May 26, 2021↗ | SLESSOR MIKE | CEO | Sell | 15,010 | $34.68 | $520.5K | 332,511 |
| May 18, 2021↗ | LINK RAYMOND A | Director | Sell | 3,500 | $34.49 | $120.7K | 59,200 |
| May 18, 2021↗ | Rhodes Sheri | Director | Sell | 3,549 | $34.50 | $122.5K | 5,558 |
| May 12, 2021↗ | SLESSOR MIKE | CEO | Sell | 50,000 | $34.98 | $1.75M | 367,085 |
FORM Insider Buying Activity
The following table shows recent insider purchases of FormFactor, Inc. (FORM) stock reported via SEC Form 4 filings.
No insider buying activity found for FORM in the last 12 months.
FORM Insider Selling Activity
The following table shows recent insider sales of FormFactor, Inc. (FORM) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026↗ | McKinnis Aric Brendan | officer: CFO, SVP Global Finance | Sell | 3,462 | $90.42 | $313.0K | 11,140 |
| Feb 25, 2026↗ | WHITE BRIAN C | director | Sell | 2,300 | $100.01 | $230.0K | 10,556 |
| Feb 18, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 17,328 | $94.14 | $1.63M | 478,916 |
| Feb 12, 2026↗ | BREWER KEVIN J | director | Sell | 3,000 | $96.20 | $288.6K | 8,105 |
| Feb 11, 2026↗ | Rhodes Sheri | director | Sell | 7,634 | $92.61 | $707.0K | 10,356 |
| Feb 11, 2026↗ | St Dennis Thomas | director | Sell | 7,431 | $93.84 | $697.4K | 33,356 |
| Feb 11, 2026↗ | STEVEN-WAISS KELLEY | director | Sell | 2,200 | $93.70 | $206.1K | 30,579 |
| Feb 10, 2026↗ | Titinger Jorge | director | Sell | 2,000 | $88.84 | $177.7K | 17,498 |
| Feb 10, 2026↗ | WHITE BRIAN C | director | Sell | 5,500 | $90.95 | $500.2K | 12,856 |
| Jan 15, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 13,088 | $76.81 | $1.01M | 479,019 |
| Jan 6, 2026↗ | SLESSOR MIKE | director, officer: CEO | Sell | 39,606 | $65.00 | $2.57M | 485,995 |
| Dec 17, 2025↗ | SLESSOR MIKE | CEO | Sell | 7,669 | $56.36 | $432.2K | 527,664 |
| Dec 2, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 2,700 | $55.97 | $151.1K | 32,779 |
| Nov 19, 2025↗ | SLESSOR MIKE | CEO | Sell | 8,403 | $50.06 | $420.7K | 536,934 |
| Nov 17, 2025↗ | St Dennis Thomas | Director | Sell | 2,000 | $49.85 | $99.7K | 38,957 |
| Sep 12, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,600 | $30.43 | $109.5K | 35,479 |
| Aug 13, 2025↗ | Obregon-Jimenez Rebeca | Director | Sell | 4,000 | $29.55 | $118.2K | 13,126 |
| Jul 2, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $34.03 | $136.1K | 506,895 |
| Jun 3, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $29.83 | $119.3K | 510,895 |
| May 30, 2025↗ | St Dennis Thomas | Director | Sell | 3,000 | $31.24 | $93.7K | 40,957 |
| May 1, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $31.72 | $126.9K | 510,650 |
| Apr 1, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $28.24 | $113.0K | 514,650 |
| Mar 6, 2025↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,870 | $31.02 | $120.0K | 32,551 |
| Mar 4, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $33.05 | $132.2K | 518,650 |
| Feb 3, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $38.98 | $155.9K | 518,631 |
| Jan 2, 2025↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $44.44 | $177.8K | 522,931 |
| Dec 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $40.59 | $162.3K | 526,632 |
| Nov 6, 2024↗ | St Dennis Thomas | Director | Sell | 3,100 | $39.11 | $121.2K | 37,429 |
| Nov 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $38.81 | $155.2K | 526,276 |
| Oct 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $45.28 | $181.1K | 531,276 |
| Sep 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $46.31 | $185.2K | 535,464 |
| Aug 7, 2024↗ | Titinger Jorge | Director | Sell | 6,770 | $41.94 | $284.0K | 12,970 |
| Aug 5, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $50.93 | $203.7K | 526,149 |
| Jul 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $59.00 | $236.0K | 489,258 |
| Jun 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $54.37 | $217.5K | 492,811 |
| May 29, 2024↗ | Obregon-Jimenez Rebeca | Director | Sell | 4,833 | $57.59 | $278.3K | 10,598 |
| May 22, 2024↗ | WHITE BRIAN C | Director | Sell | 3,290 | $57.00 | $187.5K | 11,828 |
| May 15, 2024↗ | MAIER LOTHAR | Director | Sell | 99,723 | $55.08 | $5.49M | 6,770 |
| May 13, 2024↗ | St Dennis Thomas | Director | Sell | 2,000 | $56.30 | $112.6K | 36,701 |
| May 8, 2024↗ | Rhodes Sheri | Director | Sell | 13,319 | $56.02 | $746.1K | 7,634 |
| May 8, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 11,922 | $55.09 | $656.8K | 26,911 |
| May 8, 2024↗ | STEVEN-WAISS KELLEY | Director | Sell | 4,800 | $54.24 | $260.3K | 32,593 |
| May 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $43.75 | $175.0K | 491,781 |
| Apr 2, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $45.94 | $183.8K | 495,781 |
| Mar 5, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 10,000 | $44.51 | $445.1K | 27,591 |
| Mar 4, 2024↗ | SLESSOR MIKE | CEO | Sell | 4,000 | $43.38 | $173.5K | 499,781 |
| Feb 13, 2024↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 10,000 | $42.12 | $421.2K | 67,141 |
| Dec 5, 2023↗ | Obregon-Jimenez Rebeca | Director | Sell | 8,490 | $37.51 | $318.5K | 11,603 |
| Nov 21, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 16,618 | $39.49 | $656.2K | 77,941 |
| Nov 15, 2023↗ | St Dennis Thomas | Director | Sell | 3,792 | $38.24 | $145.0K | 38,701 |
| Nov 13, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 24,360 | $36.40 | $886.7K | 118,426 |
| Mar 7, 2023↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 4,759 | $29.68 | $141.2K | 72,900 |
| Feb 17, 2023↗ | St Dennis Thomas | Director | Sell | 13,000 | $32.31 | $420.0K | 30,890 |
| Feb 15, 2023↗ | SLESSOR MIKE | CEO | Sell | 10,000 | $31.97 | $319.7K | 477,438 |
| May 17, 2022↗ | LINK RAYMOND A | Director | Sell | 1,600 | $40.23 | $64.4K | 61,392 |
| Feb 10, 2022↗ | STEVEN-WAISS KELLEY | Director | Sell | 6,000 | $42.62 | $255.7K | 15,998 |
| Feb 9, 2022↗ | Obregon-Jimenez Rebeca | Director | Sell | 2,400 | $41.61 | $99.9K | 4,698 |
| Feb 9, 2022↗ | St Dennis Thomas | Director | Sell | 6,000 | $41.63 | $249.8K | 40,098 |
| Nov 26, 2021↗ | STEVEN-WAISS KELLEY | Director | Sell | 3,000 | $43.12 | $129.4K | 21,998 |
| Nov 10, 2021↗ | Shahar Shai | CFO, SVP Global Finance | Sell | 3,374 | $43.78 | $147.7K | 39,470 |
| Nov 8, 2021↗ | SLESSOR MIKE | CEO | Sell | 25,000 | $44.60 | $1.12M | 392,948 |
| May 26, 2021↗ | SLESSOR MIKE | CEO | Sell | 15,010 | $34.68 | $520.5K | 332,511 |
| May 18, 2021↗ | LINK RAYMOND A | Director | Sell | 3,500 | $34.49 | $120.7K | 59,200 |
| May 18, 2021↗ | Rhodes Sheri | Director | Sell | 3,549 | $34.50 | $122.5K | 5,558 |
| May 12, 2021↗ | SLESSOR MIKE | CEO | Sell | 50,000 | $34.98 | $1.75M | 367,085 |
FORM Insiders
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