FormFactor

FORM13F as of Jun 30, 2026 · next update ~Nov 14

Who's buying FORM

Top funds mostly added to FormFactor in Q2 (Apr⁠–⁠Jun)

Buying:

Funds2InsidersCongress

Top funds
2 of 3 bought more, 1 sold some. Largest: First Eagle Investment Management, $17.0M (0% of its portfolio).
Insiders
No buys, 32 sales in 12 months.
Congress
No trades disclosed in the last 12 months.

3 funds$18.3M held0.0% avg. weightQ2: 2 bought / 1 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).

Share price · market data, not from 13F reports

Q2 2026

Insider trades (Form 4)

Last 2 years · 45 filings

Date	Insider	Type	Shares	Price	Value
Oct 14, 2026	Mike Slessor CEO	Sold	11,098	$125.20	$1.39M
Sep 16, 2026	Mike Slessor CEO	Sold	17,510	$104.73	$1.83M
Sep 3, 2026	Kelley Steven-waiss Director	Sold	2,100	$96.10	$202K
Aug 14, 2026	Mike Slessor CEO	Sold	16,002	$130.95	$2.10M
Jul 15, 2026	Mike Slessor CEO	Sold	4,735	$118.31	$560K
Jun 15, 2026	Thomas ST Dennis Director	Sold	2,800	$151.49	$424K
Jun 10, 2026	Mike Slessor CEO	Sold	11,890	$121.35	$1.44M
Jun 2, 2026	Sheri Rhodes Director	Sold	6,328	$125.40	$794K
May 21, 2026	Rebeca Obregon-jimenez Director	Sold	3,828	$126.48	$484K
May 20, 2026	Brian C White Director	Sold	3,250	$126.00	$410K
May 19, 2026	Thomas ST Dennis Director	Sold	1,000	$115.84	$116K
May 13, 2026	Jorge Titinger Director	Sold	4,009	$128.79	$516K
May 15, 2026	Kelley Steven-waiss Director	Sold	5,400	$125.60	$678K
May 13, 2026	Mike Slessor CEO	Sold	9,438	$126.52	$1.19M
Apr 15, 2026	Mike Slessor CEO	Sold	11,294	$127.72	$1.44M
Mar 18, 2026	Mike Slessor CEO	Sold	10,227	$95.15	$973K
Mar 5, 2026	Aric Brendan Mckinnis CFO & VP	Sold	3,462	$90.42	$313K
Feb 24, 2026	Brian C White Director	Sold	2,300	$100.01	$230K
Feb 18, 2026	Mike Slessor CEO	Sold	8,664	$94.14	$816K
Feb 11, 2026	Kevin J Brewer Director	Sold	3,000	$96.20	$289K
Feb 10, 2026	Thomas ST Dennis Director	Sold	7,431	$93.84	$697K
Feb 10, 2026	Sheri Rhodes Director	Sold	7,634	$92.61	$707K
Feb 10, 2026	Kelley Steven-waiss Director	Sold	2,200	$93.70	$206K
Feb 9, 2026	Rebeca Obregon-jimenez Director	Sold	2,770	$95.82	$265K
Feb 9, 2026	Brian C White Director	Sold	5,500	$90.95	$500K
Feb 9, 2026	Jorge Titinger Director	Sold	2,000	$88.84	$178K
Jan 15, 2026	Mike Slessor CEO	Sold	13,088	$76.81	$1.01M
Jan 6, 2026	Mike Slessor CEO	Sold	39,606	$65.00	$2.57M
Dec 17, 2025	Mike Slessor CEO	Sold	7,669	$56.36	$432K
Dec 2, 2025	Kelley Steven-waiss Director	Sold	2,700	$55.97	$151K
Nov 19, 2025	Mike Slessor CEO	Sold	8,403	$50.06	$421K
Nov 17, 2025	Thomas ST Dennis Director	Sold	2,000	$49.85	$100K
Sep 12, 2025	Kelley Steven-waiss Director	Sold	3,600	$30.43	$110K
Aug 13, 2025	Rebeca Obregon-jimenez Director	Sold	4,000	$29.55	$118K
Jul 1, 2025	Mike Slessor CEO	Sold	4,000	$34.03	$136K
Jun 2, 2025	Mike Slessor CEO	Sold	4,000	$29.83	$119K
May 29, 2025	Thomas ST Dennis Director	Sold	3,000	$31.24	$94K
May 1, 2025	Mike Slessor CEO	Sold	4,000	$31.72	$127K
Apr 1, 2025	Mike Slessor CEO	Sold	4,000	$28.24	$113K
Mar 5, 2025	Kelley Steven-waiss Director	Sold	3,870	$31.02	$120K
Mar 3, 2025	Mike Slessor CEO	Sold	4,000	$33.05	$132K
Feb 3, 2025	Mike Slessor CEO	Sold	4,000	$38.98	$156K
Jan 2, 2025	Mike Slessor CEO	Sold	4,000	$44.44	$178K
Dec 2, 2024	Mike Slessor CEO	Sold	4,000	$40.59	$162K
Nov 5, 2024	Thomas ST Dennis Director	Sold	3,100	$39.11	$121K