Skip to main content
FORM logo

FORM · Formfactor Inc · Insider Trading

Track FORM — free
$104.47 -2.38 (-2.23%) Earnings today Q2 2026 earnings call transcript
Market Cap
$8.35B
Shares
78.12M
Volume · Oct 28 1.54M Avg daily vol (3M) 1.49M

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

51
Net buyers
-1
Net shares bought
0.00%
Net buy value
-$201,810
Date Insider Type Shares
2026-10-14
SLESSOR MIKE
Sell↓
2,195
2026-10-14
SLESSOR MIKE
Sell↓
7,703
2026-10-14
SLESSOR MIKE
Sell↓
1,200
2026-09-16
SLESSOR MIKE
Sell↓
7,773
2026-09-16
SLESSOR MIKE
Sell↓
1,000
2026-09-16
SLESSOR MIKE
Sell↓
8,737
2026-09-03
STEVEN-WAISS KELLEY
Sell↓
2,100
2026-08-14
SLESSOR MIKE
Sell↓
5,535
2026-08-14
SLESSOR MIKE
Sell↓
2,892
2026-08-14
SLESSOR MIKE
Sell↓
686
2026-08-14
SLESSOR MIKE
Sell↓
2,482
2026-08-14
SLESSOR MIKE
Sell↓
3,282
2026-08-14
SLESSOR MIKE
Sell↓
1,125
2026-08-07
SLESSOR MIKE
Convert↓
141,792
2026-08-07
SLESSOR MIKE
Convert↓
5,908
2026-08-07
SLESSOR MIKE
Convert↑
5,908
2026-08-07
SLESSOR MIKE
Tax↓
78,908
2026-08-07
SLESSOR MIKE
Tax↓
3,288
2026-08-07
SLESSOR MIKE
Award↑
141,792
2026-08-07
SLESSOR MIKE
Convert↑
141,792
2026-08-06
SLESSOR MIKE
Convert↑
6,031
2026-08-06
McKinnis Aric Brendan
Award↑
6,924
2026-08-06
SLESSOR MIKE
Award↑
27,696
2026-08-06
McKinnis Aric Brendan
Convert↑
1,099
2026-08-06
SLESSOR MIKE
Tax↓
3,357
2026-08-06
McKinnis Aric Brendan
Convert↓
1,099
2026-08-06
McKinnis Aric Brendan
Tax↓
274
2026-08-06
SLESSOR MIKE
Convert↓
6,031
2026-08-05
McKinnis Aric Brendan
Convert↓
521
2026-08-05
McKinnis Aric Brendan
Tax↓
130
2026-08-05
SLESSOR MIKE
Tax↓
2,028
2026-08-05
SLESSOR MIKE
Convert↓
3,644
2026-08-05
McKinnis Aric Brendan
Convert↑
521
2026-08-05
SLESSOR MIKE
Convert↑
3,644
2026-07-15
SLESSOR MIKE
Sell↓
300
2026-07-15
SLESSOR MIKE
Sell↓
868
2026-07-15
SLESSOR MIKE
Sell↓
170
2026-07-15
SLESSOR MIKE
Sell↓
1,041
2026-07-15
SLESSOR MIKE
Sell↓
1,650
2026-07-15
SLESSOR MIKE
Sell↓
706
2026-06-16
St Dennis Thomas
Gift↓
740
2026-06-15
St Dennis Thomas
Sell↓
2,800
2026-06-10
SLESSOR MIKE
Sell↓
767
2026-06-10
SLESSOR MIKE
Sell↓
2,500
2026-06-10
SLESSOR MIKE
Sell↓
975
2026-06-10
SLESSOR MIKE
Sell↓
4,220
2026-06-10
SLESSOR MIKE
Sell↓
1,629
2026-06-10
SLESSOR MIKE
Sell↓
1,399
2026-06-10
SLESSOR MIKE
Sell↓
400
2026-06-02
McKinnis Aric Brendan
Convert↑
773
Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)
Showing 1–50 of 586 transactions
Key facts CIK 1039399 CUSIP 346375108 13F (30d) 113 filings 105 filers Visit website Investor relations