FormFactor, Inc. (FORM) Insider Trading

Over the last 3 months, FORM insiders made 0 open-market buys and 23 sales, a net sale of -$6.4M (SEC Form 4). Over the last 6 months, 262 institutions increased and 228 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
23
Net (3m)
-$6.4M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +46.1%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jun 4, 2026Rhodes SheridirectorSell6,328$125.40
Jun 4, 2026McKinnis Aric Brendanofficer: CFO, SVP Global FinanceTax193$125.11
Jun 4, 2026McKinnis Aric Brendanofficer: CFO, SVP Global FinanceOption773
May 22, 2026Obregon-Jimenez RebecadirectorSell3,828$126.47
May 21, 2026WHITE BRIAN CdirectorSell3,250$126.00
May 21, 2026St Dennis ThomasdirectorSell1,000$115.84
May 19, 2026St Dennis ThomasdirectorGrant1,347
May 19, 2026Obregon-Jimenez RebecadirectorGrant1,347
May 19, 2026WHITE BRIAN CdirectorGrant1,347
May 19, 2026Titinger JorgedirectorGrant1,347
May 19, 2026Rhodes SheridirectorGrant1,347
May 19, 2026STEVEN-WAISS KELLEYdirectorGrant1,347
May 15, 2026STEVEN-WAISS KELLEYdirectorSell5,400$125.60
May 15, 2026Titinger JorgedirectorSell4,009$128.78
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell200$130.57
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell700$122.84
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell1,388$125.58
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell100$127.47
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell2,984$124.71
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell398$126.59
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell702$136.15
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell66$135.73
May 14, 2026SLESSOR MIKEdirector, officer: CEOSell1,300$123.72
May 8, 2026SLESSOR MIKEdirector, officer: CEOTax3,288$144.68
May 8, 2026SLESSOR MIKEdirector, officer: CEOOption5,908
May 7, 2026SLESSOR MIKEdirector, officer: CEOOption3,644
May 7, 2026McKinnis Aric Brendanofficer: CFO, SVP Global FinanceOption521
May 7, 2026SLESSOR MIKEdirector, officer: CEOTax2,028$145.00
May 7, 2026SLESSOR MIKEdirector, officer: CEOOption6,031
May 7, 2026McKinnis Aric Brendanofficer: CFO, SVP Global FinanceTax274$149.12

Source: FORM SEC Form 4 filings, latest Jun 4, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their FORM positions over the last 6 months (SEC Form 13F).

Increased
262
New positions
175
Reduced
228
Sold out
71
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased12.2MMay 13, 2026
BLACKROCK, INC.Increased11.6MFeb 12, 2026
VANGUARD GROUP INCReduced10.2MJan 29, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position5.9MMay 8, 2026
EARNEST PARTNERS LLCReduced5.8MFeb 12, 2026
EARNEST PARTNERS LLCReduced4.9MMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3.5MMay 15, 2026
STATE STREET CORPIncreased2.9MMay 15, 2026
STATE STREET CORPReduced2.9MFeb 13, 2026
BANK OF AMERICA CORP /DE/Reduced2.5MFeb 3, 2026
BANK OF AMERICA CORP /DE/Reduced2.5MFeb 17, 2026
BANK OF AMERICA CORP /DE/Reduced2.5MMay 18, 2026
POLAR CAPITAL HOLDINGS PLCNew Position2.3MMay 15, 2026
MORGAN STANLEYIncreased2.3MFeb 13, 2026
ALLIANCEBERNSTEIN L.P.Increased2.2MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.