// company-profile

Formfactor Inc

FORM
ExchangeNasdaqSectorSemiconductors & Related DevicesInc.DEFilings145Insiders12
// api This Formfactor Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bearish. Over the last 30 days, insiders net sold $1.2M across 3 transactions, with 2 offsetting purchases.

// 90-day insight

Over the last 90 days, Formfactor Inc insiders bought $0 (17 transactions) and sold $4.8M (13 transactions).

  • Most active insider: SLESSOR MIKE with 28 transactions totaling $3.9M.
  • Largest single sale: $794K by Rhodes Sheri on Jun 2, 2026.
  • 59% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.

Activity is mixed — buys and sales are roughly balanced.

Institutional Ownership

Top 13F-HR holders of Formfactor Inc as of 2026-03-31

↑ increasing
Total reported AUM
$6.20B
QoQ change
+80.6%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$805.0M
8.3M shares
#2
EARNEST PARTNERS LLC
CIK 1102578
$472.8M
4.9M shares
#3
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$336.8M
3.5M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 16, 2026St Dennis ThomasFORM
Gift
740$0.00$0K
Jun 15, 2026St Dennis ThomasFORM
Sale
2,800$151.49$424K
Jun 10, 2026SLESSOR MIKEFORM
Sale10b5
2,500$122.63$307K
Jun 10, 2026SLESSOR MIKEFORM
Sale10b5
1,629$123.37$201K
Jun 10, 2026SLESSOR MIKEFORM
Sale10b5
1,399$117.70$165K

45 more transactions hidden

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