FormFactor Ownership & Insider Activity

FormFactor (FORM) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.8% of shares outstanding. Institutional investors hold 63.1%. Over the past 90 days, insiders made 4 sales worth $4.7M.

Shares Outstanding

77.918M

Shares Float

54.768M

Insider Shares Owned

1.442M

Insider % Owned

1.8%

Institutional Shares Held

49.286M

Institutional % Held

63.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$4.7M total

Net Activity

Net Selling

Net Value (90d)

-$4.7M

FormFactor Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 16, 2026	Mike Slessor	CEO	SELL	17.510K	$104.73	$1.8M
Sep 3, 2026	Kelley Steven-Waiss	DIRECTOR	SELL	2.100K	$96.10	$202K
Aug 14, 2026	Mike Slessor	CEO	SELL	16.002K	$130.95	$2.1M
Jul 15, 2026	Mike Slessor	CEO	SELL	4.735K	$118.31	$560K
Jun 15, 2026	Thomas St. Dennis	DIRECTOR	SELL	3.540K	$151.49	$424K
Jun 10, 2026	Mike Slessor	CEO	SELL	11.890K	$121.35	$1.4M
Jun 2, 2026	Sheri Rhodes	DIRECTOR	SELL	6.328K	$125.40	$794K
May 21, 2026	Rebeca Obregon-Jimenez	DIRECTOR	SELL	3.828K	$126.47	$484K
May 20, 2026	Brian White	DIRECTOR	SELL	3.250K	$126.00	$410K
May 19, 2026	Thomas St. Dennis	DIRECTOR	SELL	1.000K	$115.84	$116K
May 15, 2026	Kelley Steven-Waiss	DIRECTOR	SELL	5.400K	$125.60	$678K
May 13, 2026	Jorge Titinger	DIRECTOR	SELL	4.009K	$128.78	$516K
May 13, 2026	Mike Slessor	CEO	SELL	9.438K	$126.52	$1.2M
Apr 15, 2026	Mike Slessor	CEO	SELL	11.294K	$127.72	$1.4M