FORMFORMFACTOR INC
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-04.
Insider buys (90d)
$0.00
Insider sells (90d)
$4.72M
Net flow
$-4.72M
Filings
8
Buy transactions
0
Sell transactions
21
Distinct insiders
4
Last close (cached)
$103.90
as of 2026-09-04
1d return
+7.4%
5d return
+2.2%
1m return
-9.8%
Top insiders trading FORM (90d)
Recent transactions (34)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-04 | 2026-09-03 | STEVEN-WAISS KELLEY Director | Sale | 2,100 | $96.10 | $201.8K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 686 | $133.33 | $91.5K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 5,535 | $132.50 | $733.4K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 1,125 | $131.65 | $148.1K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 3,282 | $130.54 | $428.4K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 2,892 | $129.55 | $374.7K | open → |
| 2026-08-17 | 2026-08-14 | SLESSOR MIKE OfficerDirector | Sale | 2,482 | $128.72 | $319.5K | open → |
| 2026-08-10 | 2026-08-07 | SLESSOR MIKE OfficerDirector | Tax | 3,288 | $117.39 | $386.0K | open → |
| 2026-08-10 | 2026-08-07 | SLESSOR MIKE OfficerDirector | Exer. | 5,908 | $0.00 | $0.00 | open → |
| 2026-08-10 | 2026-08-07 | SLESSOR MIKE OfficerDirector | Tax | 78,908 | $117.39 | $9.26M | open → |
| 2026-08-10 | 2026-08-07 | SLESSOR MIKE OfficerDirector | Exer. | 141,792 | $0.00 | $0.00 | open → |
| 2026-08-07 | 2026-08-06 | SLESSOR MIKE OfficerDirector | Tax | 3,357 | $115.21 | $386.8K | open → |
| 2026-08-07 | 2026-08-06 | SLESSOR MIKE OfficerDirector | Exer. | 6,031 | $0.00 | $0.00 | open → |
| 2026-08-07 | 2026-08-05 | SLESSOR MIKE OfficerDirector | Tax | 2,028 | $114.44 | $232.1K | open → |
| 2026-08-07 | 2026-08-05 | SLESSOR MIKE OfficerDirector | Exer. | 3,644 | $0.00 | $0.00 | open → |
| 2026-08-07 | 2026-08-06 | McKinnis Aric Brendan Officer | Tax | 274 | $115.21 | $31.6K | open → |
| 2026-08-07 | 2026-08-06 | McKinnis Aric Brendan Officer | Exer. | 1,099 | $0.00 | $0.00 | open → |
| 2026-08-07 | 2026-08-05 | McKinnis Aric Brendan Officer | Tax | 130 | $114.44 | $14.9K | open → |
| 2026-08-07 | 2026-08-05 | McKinnis Aric Brendan Officer | Exer. | 521 | $0.00 | $0.00 | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 868 | $121.30 | $105.3K | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 300 | $120.58 | $36.2K | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 170 | $119.08 | $20.2K | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 706 | $118.21 | $83.5K | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 1,650 | $117.39 | $193.7K | open → |
| 2026-07-16 | 2026-07-15 | SLESSOR MIKE OfficerDirector | Sale | 1,041 | $116.56 | $121.3K | open → |
| 2026-06-17 | 2026-06-16 | St Dennis Thomas Director | Gift | 740 | $0.00 | $0.00 | open → |
| 2026-06-17 | 2026-06-15 | St Dennis Thomas Director | Sale | 2,800 | $151.49 | $424.2K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 1,629 | $123.37 | $201.0K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 2,500 | $122.63 | $306.6K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 4,220 | $121.72 | $513.7K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 975 | $121.00 | $118.0K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 400 | $119.46 | $47.8K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 767 | $119.00 | $91.3K | open → |
| 2026-06-11 | 2026-06-10 | SLESSOR MIKE OfficerDirector | Sale | 1,399 | $117.70 | $164.7K | open → |
Other tickers these insiders trade
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