FORM
FormFactor Inc
NASDAQ: FORM · TECHNOLOGY · SEMICONDUCTOR EQUIPMENT & MATERIALS
$135.53
+1.01% today
Updated 2026-04-29
Market cap
$10.57B
P/E ratio
199.31
P/S ratio
13.46x
EPS (TTM)
$0.68
Dividend yield
—
52W range
$26 – $159
Volume
1.5M
FormFactor Inc (FORM) Insider transactions
Net insider activity
Net selling (104,419 shares)
Buy transactions
25
Sell transactions
75
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-15 | SLESSOR, MIKE | Director, CEO | Sale | 5,432 | $128.56 | $698337.92 |
| 2026-04-15 | SLESSOR, MIKE | Director, CEO | Sale | 2,369 | $127.65 | $302402.85 |
| 2026-04-15 | SLESSOR, MIKE | Director, CEO | Sale | 1,826 | $125.24 | $228688.24 |
| 2026-04-15 | SLESSOR, MIKE | Director, CEO | Sale | 900 | $126.58 | $113922.00 |
| 2026-04-15 | SLESSOR, MIKE | Director, CEO | Sale | 767 | $129.22 | $99111.74 |
| 2026-03-18 | SLESSOR, MIKE | Director, CEO | Sale | 5,495 | $95.21 | $523178.95 |
| 2026-03-18 | SLESSOR, MIKE | Director, CEO | Sale | 2,832 | $95.73 | $271107.36 |
| 2026-03-18 | SLESSOR, MIKE | Director, CEO | Sale | 1,900 | $94.10 | $178790.00 |
| 2026-03-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 3,462 | $90.42 | $313034.04 |
| 2026-03-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 773 | — | — |
| 2026-03-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 773 | — | — |
| 2026-03-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 193 | $99.70 | $19242.10 |
| 2026-02-24 | WHITE, BRIAN C | Director | Sale | 2,300 | $100.01 | $230023.00 |
| 2026-02-18 | SLESSOR, MIKE | Director, CEO | Sale | 4,934 | $93.97 | $463647.98 |
| 2026-02-18 | SLESSOR, MIKE | Director, CEO | Sale | 2,896 | $94.79 | $274511.84 |
| 2026-02-18 | SLESSOR, MIKE | Director, CEO | Sale | 834 | $92.85 | $77436.90 |
| 2026-02-11 | BREWER, KEVIN J | Director | Sale | 3,000 | $96.20 | $288600.00 |
| 2026-02-10 | STEVEN-WAISS, KELLEY | Director | Sale | 2,200 | $93.70 | $206138.90 |
| 2026-02-10 | ST, DENNIS THOMAS | Director | Sale | 5,601 | $93.71 | $524894.35 |
| 2026-02-10 | ST, DENNIS THOMAS | Director | Sale | 1,830 | $94.24 | $172460.30 |
| 2026-02-10 | RHODES, SHERI | Director | Sale | 7,634 | $92.61 | $706973.29 |
| 2026-02-09 | WHITE, BRIAN C | Director | Sale | 5,500 | $90.95 | $500225.00 |
| 2026-02-09 | TITINGER, JORGE | Director | Sale | 2,000 | $88.84 | $177680.00 |
| 2026-02-09 | SLESSOR, MIKE | Director, CEO | Sale | 5,908 | — | — |
| 2026-02-09 | SLESSOR, MIKE | Director, CEO | Buy | 5,908 | — | — |
| 2026-02-09 | SLESSOR, MIKE | Director, CEO | Sale | 3,288 | $94.88 | $311965.44 |
| 2026-02-09 | OBREGON-JIMENEZ, REBECA | Director | Sale | 2,770 | $95.82 | $265421.68 |
| 2026-02-06 | SLESSOR, MIKE | Director, CEO | Sale | 6,031 | — | — |
| 2026-02-06 | SLESSOR, MIKE | Director, CEO | Buy | 6,031 | — | — |
| 2026-02-06 | SLESSOR, MIKE | Director, CEO | Sale | 3,357 | $90.29 | $303103.53 |
| 2026-02-06 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 1,099 | — | — |
| 2026-02-06 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 1,099 | — | — |
| 2026-02-06 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 336 | $90.29 | $30337.44 |
| 2026-02-05 | SLESSOR, MIKE | Director, CEO | Sale | 3,644 | — | — |
| 2026-02-05 | SLESSOR, MIKE | Director, CEO | Buy | 3,644 | — | — |
| 2026-02-05 | SLESSOR, MIKE | Director, CEO | Sale | 2,095 | $83.87 | $175707.65 |
| 2026-02-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 521 | — | — |
| 2026-02-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 521 | — | — |
| 2026-02-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 162 | $83.87 | $13586.94 |
| 2026-01-15 | SLESSOR, MIKE | Director, CEO | Sale | 6,976 | $76.43 | $533175.68 |
| 2026-01-15 | SLESSOR, MIKE | Director, CEO | Sale | 6,112 | $77.24 | $472090.88 |
| 2026-01-06 | SLESSOR, MIKE | Director, CEO | Sale | 39,606 | $65.00 | $2.57M |
| 2025-12-17 | SLESSOR, MIKE | Director, CEO | Sale | 5,606 | $56.19 | $315001.14 |
| 2025-12-17 | SLESSOR, MIKE | Director, CEO | Sale | 2,063 | $56.82 | $117219.66 |
| 2025-12-02 | STEVEN-WAISS, KELLEY | Director | Sale | 2,700 | $55.97 | $151105.50 |
| 2025-12-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 773 | — | — |
| 2025-12-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 773 | — | — |
| 2025-12-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 193 | $56.04 | $10815.72 |
| 2025-11-19 | SLESSOR, MIKE | Director, CEO | Sale | 4,739 | $49.65 | $235291.35 |
| 2025-11-19 | SLESSOR, MIKE | Director, CEO | Sale | 3,664 | $50.60 | $185398.40 |
| 2025-11-17 | ST, DENNIS THOMAS | Director | Sale | 2,000 | $49.85 | $99693.00 |
| 2025-11-07 | SLESSOR, MIKE | Director, CEO | Sale | 5,908 | — | — |
| 2025-11-07 | SLESSOR, MIKE | Director, CEO | Buy | 5,908 | — | — |
| 2025-11-07 | SLESSOR, MIKE | Director, CEO | Sale | 3,282 | $52.25 | $171484.50 |
| 2025-11-06 | SLESSOR, MIKE | Director, CEO | Sale | 6,031 | — | — |
| 2025-11-06 | SLESSOR, MIKE | Director, CEO | Buy | 6,031 | — | — |
| 2025-11-06 | SLESSOR, MIKE | Director, CEO | Sale | 3,351 | $54.22 | $181691.22 |
| 2025-11-06 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 13,188 | — | — |
| 2025-11-05 | SLESSOR, MIKE | Director, CEO | Sale | 3,644 | — | — |
| 2025-11-05 | SLESSOR, MIKE | Director, CEO | Buy | 3,644 | — | — |
| 2025-11-05 | SLESSOR, MIKE | Director, CEO | Sale | 2,025 | $55.36 | $112104.00 |
| 2025-11-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 521 | — | — |
| 2025-11-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 521 | — | — |
| 2025-11-05 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 130 | $55.36 | $7196.80 |
| 2025-11-03 | SLESSOR, MIKE | Director, CEO | Sale | 5,000 | — | — |
| 2025-09-12 | STEVEN-WAISS, KELLEY | Director | Sale | 3,600 | $30.43 | $109530.00 |
| 2025-09-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 773 | — | — |
| 2025-09-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Buy | 773 | — | — |
| 2025-09-02 | MCKINNIS, ARIC BRENDAN | CFO, SVP Global Finance | Sale | 193 | $28.43 | $5486.99 |
| 2025-08-13 | OBREGON-JIMENEZ, REBECA | Director | Sale | 4,000 | $29.55 | $118202.40 |
| 2025-08-07 | SLESSOR, MIKE | Director, CEO | Sale | 5,908 | — | — |
| 2025-08-07 | SLESSOR, MIKE | Director, CEO | Buy | 5,908 | — | — |
| 2025-08-07 | SLESSOR, MIKE | Director, CEO | Sale | 3,282 | $27.98 | $91830.36 |
| 2025-08-07 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 2,955 | — | — |
| 2025-08-07 | SHAHAR, SHAI | CFO, SVP Global Finance | Buy | 2,955 | — | — |
| 2025-08-07 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 1,642 | $27.98 | $45943.16 |
| 2025-08-06 | SLESSOR, MIKE | Director, CEO | Buy | 72,372 | — | — |
| 2025-08-05 | SLESSOR, MIKE | Director, CEO | Sale | 3,644 | — | — |
| 2025-08-05 | SLESSOR, MIKE | Director, CEO | Buy | 3,644 | — | — |
| 2025-08-05 | SLESSOR, MIKE | Director, CEO | Sale | 2,025 | $29.14 | $59008.50 |
| 2025-08-05 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 1,116 | — | — |
| 2025-08-05 | SHAHAR, SHAI | CFO, SVP Global Finance | Buy | 1,116 | — | — |
| 2025-08-05 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 620 | $29.14 | $18066.80 |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Sale | 14,426 | — | — |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Sale | 49,935 | — | — |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Buy | 49,935 | — | — |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Sale | 27,739 | $28.93 | $802489.27 |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Buy | 14,426 | — | — |
| 2025-08-01 | SLESSOR, MIKE | Director, CEO | Sale | 8,014 | $28.93 | $231845.02 |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 5,049 | — | — |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Buy | 17,477 | — | — |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Buy | 17,477 | — | — |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 9,709 | $28.93 | $280881.37 |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Buy | 5,049 | — | — |
| 2025-08-01 | SHAHAR, SHAI | CFO, SVP Global Finance | Sale | 2,805 | $28.93 | $81148.65 |
| 2025-07-01 | SLESSOR, MIKE | Director, CEO | Sale | 4,000 | $34.03 | $136120.00 |
| 2025-06-02 | SLESSOR, MIKE | Director, CEO | Sale | 4,000 | $29.83 | $119320.00 |
| 2025-05-29 | ST, DENNIS THOMAS | Director | Sale | 3,000 | $31.24 | $93720.30 |
| 2025-05-16 | WHITE, BRIAN C | Director | Buy | 6,528 | — | — |
| 2025-05-16 | TITINGER, JORGE | Director | Buy | 6,528 | — | — |