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CIK 0001039399 · Large accelerated filer

FORMFACTOR INC

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Ticker
FORM
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Dec 26
Incorporated
DE
Entity type
operating
EIN
133711155
Phone
9252904000
Business address
7005 SOUTHFRONT ROAD, LIVERMORE, CA, 94551
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$3,425,065
in 3 filings, $3.2M under 10b5-1 plans

Net −$3,425,065. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. SLESSOR MIKE −$3.2M CEO sold 6% of stake
  2. STEVEN-WAISS KELLEY −$202K Director sold 8% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-05-07 Shahar Shai CFO, SVP Global Finance Shares withheld for taxes −1,642 $29.66 $49K 44,004
2025-05-07 Shahar Shai CFO, SVP Global Finance Option exercise · Restricted Stock Units −2,955 14,775
2025-05-05 Shahar Shai CFO, SVP Global Finance Option exercise +1,116 43,311
2025-05-05 Shahar Shai CFO, SVP Global Finance Shares withheld for taxes −620 $29.81 $18K 42,691
2025-05-05 Shahar Shai CFO, SVP Global Finance Option exercise · Restricted Stock Units −1,116 10,044
2025-05-05 SLESSOR MIKE CEO Option exercise +3,644 514,294
2025-05-05 SLESSOR MIKE CEO Shares withheld for taxes −2,025 $29.81 $60K 512,269
2025-05-05 SLESSOR MIKE CEO Option exercise · Restricted Stock Units −3,644 32,796
2025-05-01 SLESSOR MIKE CEO Sale 10b5-1 −4,000 $31.72 $127K 510,650
2025-04-01 SLESSOR MIKE CEO Sale 10b5-1 −4,000 $28.24 $113K 514,650
2025-03-05 STEVEN-WAISS KELLEY Director Sale −3,870 $31.02 $120K 32,551
2025-03-03 SLESSOR MIKE CEO Sale 10b5-1 −4,000 $33.05 $132K 518,650
2025-02-07 Shahar Shai CFO, SVP Global Finance Option exercise +2,955 43,946
2025-02-07 Shahar Shai CFO, SVP Global Finance Shares withheld for taxes −1,751 $35.84 $63K 42,195
2025-02-07 Shahar Shai CFO, SVP Global Finance Option exercise · Restricted Stock Units −0 17,730
2025-02-07 SLESSOR MIKE CEO Option exercise 10b5-1 +5,908 525,932
2025-02-07 SLESSOR MIKE CEO Shares withheld for taxes 10b5-1 −3,282 $35.84 $118K 522,650
2025-02-07 SLESSOR MIKE CEO Option exercise · Restricted Stock Units 10b5-1 −5,908 35,448
2025-02-05 SLESSOR MIKE CEO Option exercise 10b5-1 +3,644 522,175
2025-02-05 SLESSOR MIKE CEO Shares withheld for taxes 10b5-1 −2,151 $41.12 $88K 520,024

Page 12 of 14 · 270 trades