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FORM

FORMFACTOR INC · 31 Form 4 · free tier: 48h delay

Recent Form 4 slice from EDGAR — up to 30 filings (not a full archive).

For informational purposes only. Not investment advice. Data is aggregated from public SEC and congressional disclosures. Nothing on this site is a recommendation to buy or sell any security. Public disclosure of a trade is not evidence of wrongdoing or insider trading.

Recent Form 4 trades

Open-market purchases and sales

31 tx · 11 groups
SLESSOR MIKE

FORM · Trade · Oct 14, 2026 · Filed · Oct 14, 2026 · FORMFACTOR INC

$1,389,437

11,098 sh · 3 tx

Sell
SLESSOR MIKE

FORM · Trade · Sep 16, 2026 · Filed · Sep 17, 2026 · FORMFACTOR INC

$1,833,817

17,510 sh · 3 tx

Sell
STEVEN-WAISS KELLEY

FORM · Trade · Sep 3, 2026 · Filed · Sep 4, 2026 · FORMFACTOR INC

$201,810

2,100 sh

Sell
SLESSOR MIKE

FORM · Trade · Aug 14, 2026 · Filed · Aug 17, 2026 · filed 3 days after trade · FORMFACTOR INC

$2,095,532

16,002 sh · 6 tx

Sell
SLESSOR MIKE

FORM · Trade · Jul 15, 2026 · Filed · Jul 16, 2026 · FORMFACTOR INC

$560,195

4,735 sh · 6 tx

Sell
St Dennis Thomas

FORM · Trade · Jun 15, 2026 · Filed · Jun 16, 2026 · FORMFACTOR INC

$424,172

2,800 sh

Sell
SLESSOR MIKE

FORM · Trade · Jun 10, 2026 · Filed · Jun 11, 2026 · FORMFACTOR INC

$1,442,897

11,890 sh · 7 tx

Sell
Rhodes Sheri

FORM · Trade · Jun 2, 2026 · Filed · Jun 4, 2026 · filed 2 days after trade · FORMFACTOR INC

$793,531

6,328 sh

Sell
Obregon-Jimenez Rebeca

FORM · Trade · May 21, 2026 · Filed · May 22, 2026 · FORMFACTOR INC

$484,146

3,828 sh

Sell
WHITE BRIAN C

FORM · Trade · May 20, 2026 · Filed · May 21, 2026 · FORMFACTOR INC

$409,500

3,250 sh

Sell
St Dennis Thomas

FORM · Trade · May 19, 2026 · Filed · May 21, 2026 · filed 2 days after trade · FORMFACTOR INC

$115,840

1,000 sh

Sell