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FORM

Formfactor Inc

Company with tickers: FORM

CIK
1039399
CUSIP
346375108
Shares Outstanding
77,954,772
13F Activity (30d)
234 filings 228 filers

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-06-04 KEVIN J BREWER 2,528
2026-06-02 SHERI LYNN RHODES 6,328
2026-05-26 KEVIN J BREWER 4,000
2026-05-21 REBECA OBREGON-JIMENEZ 3,828
2026-05-20 KEVIN J BREWER REVOCABLE TRUST 1,577
2026-05-20 BRIAN C WHITE 3,250
2026-05-19 Thomas M. St. Dennis 1,000
2026-05-15 KELLEY LYNNE STEVEN-WAISS 5,400
2026-05-14 Titinger Jorge 4,009
2026-05-13 MIKE SLESSOR 9,438
2026-04-15 MIKE SLESSOR 11,294
2026-03-18 MIKE SLESSOR 10,227
2026-03-05 ARIC MCKINNIS 3,462
2026-02-24 BRIAN C WHITE 2,300
2026-02-18 MIKE SLESSOR 8,664
2026-02-11 KEVIN J BREWER REVOCABLE TRUST 3,000
2026-02-10 THOMAS M. ST. DENNIS 7,431
2026-02-10 KELLEY LYNNE STEVEN-WAISS 2,200
2026-02-10 SHERI LYNN RHODES 7,634
2026-02-09 JORGE TITINGER 2,000
2026-02-09 BRIAN C WHITE 5,500
2026-02-09 REBECA OBREGON-JIMENEZ 2,770
2026-01-15 MIKE SLESSOR 13,088
2026-01-06 MIKE SLESSOR 39,606
2025-12-17 MIKE SLESSOR 7,669
2025-12-02 KELLEY LYNNE STEVEN-WAISS 2,700
2025-11-19 MIKE SLESSOR 8,403
2025-11-17 Thomas M. St. Dennis 2,000
2025-11-04 SHAI SHAHAR 24,127
2025-09-12 KELLEY LYNNE STEVEN-WAISS 3,600
2025-08-13 REBECA OBREGON-JIMENEZ 4,000
2025-07-01 MIKE SLESSOR 4,000
2025-06-02 MIKE SLESSOR 4,000
2025-05-29 THOMAS M. ST. DENNIS 3,000
2025-05-01 MIKE SLESSOR 4,000
2025-04-01 MIKE SLESSOR 4,000
2025-03-05 STEVEN-WAISS KELLEY 3,870
2025-03-03 MIKE SLESSOR 4,000
2025-02-03 MIKE SLESSOR 4,000
2025-01-02 MIKE SLESSOR 4,000
2024-12-02 MIKE SLESSOR 4,000
2024-11-05 St Dennis Thomas 3,100
2024-11-01 MIKE SLESSOR 4,000
2024-10-01 MIKE SLESSOR 4,000
2024-09-03 MIKE SLESSOR 4,000
2024-08-06 Titinger Jorge 6,770
2024-08-01 MIKE SLESSOR 4,000
2024-07-01 MIKE SLESSOR 4,000
2024-06-03 MIKE SLESSOR 4,000
2024-05-28 Obregon-Jimenez Rebeca 4,833
Showing 1–50 of 67 filings