FORM

Formfactor INC

Insider trading activity for Formfactor INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

-$6.6M

net selling

Bought(0 · 0 insiders): $0
Sold(32 · 7 insiders): $6.6M

Past 6 months

-$6.6M

net selling

Bought(0 · 0 insiders): $0
Sold(32 · 7 insiders): $6.6M

Past 12 months

-$6.6M

net selling

Bought(0 · 0 insiders): $0
Sold(32 · 7 insiders): $6.6M

Transaction history

The 78 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 7	Slessor Mike	CEO	MEXER◆	5,908	—	—	—	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	MEXER◆	141,792	—	—	—	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	AGRANT◆	141,792	—	—	—	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	FTAX	3,288	$117.39	$386K	-0.7%	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	MEXER	5,908	—	—	+1.2%	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	FTAX	78,908	$117.39	$9.3M	-13.7%	Open the original filing on SEC.gov
Aug 7	Slessor Mike	CEO	MEXER	141,792	—	—	+32.6%	Open the original filing on SEC.gov
Aug 6	Slessor Mike	CEO	MEXER◆	6,031	—	—	—	Open the original filing on SEC.gov
Aug 6	Slessor Mike	CEO	FTAX	3,357	$115.21	$386.8K	-0.8%	Open the original filing on SEC.gov
Aug 6	Slessor Mike	CEO	MEXER	6,031	—	—	+1.4%	Open the original filing on SEC.gov
Aug 6	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER◆	1,099	—	—	—	Open the original filing on SEC.gov
Aug 6	McKinnis Aric Brendan	CFO, SVP Global Finance	FTAX	274	$115.21	$31.6K	-1.9%	Open the original filing on SEC.gov
Aug 6	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER	1,099	—	—	+8.3%	Open the original filing on SEC.gov
Aug 6	Slessor Mike	CEO	AGRANT◆	27,696	—	—	—	Open the original filing on SEC.gov
Aug 6	McKinnis Aric Brendan	CFO, SVP Global Finance	AGRANT◆	6,924	—	—	—	Open the original filing on SEC.gov
Aug 5	Slessor Mike	CEO	MEXER◆	3,644	—	—	—	Open the original filing on SEC.gov
Aug 5	Slessor Mike	CEO	FTAX	2,028	$114.44	$232.1K	-0.5%	Open the original filing on SEC.gov
Aug 5	Slessor Mike	CEO	MEXER	3,644	—	—	+0.9%	Open the original filing on SEC.gov
Aug 5	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER◆	521	—	—	—	Open the original filing on SEC.gov
Aug 5	McKinnis Aric Brendan	CFO, SVP Global Finance	FTAX	130	$114.44	$14.9K	-1.0%	Open the original filing on SEC.gov
Aug 5	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER	521	—	—	+4.0%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	868	$121.30	$105.3K	-0.2%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	300	$120.58	$36.2K	<0.1%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	170	$119.08	$20.2K	<0.1%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	706	$118.21	$83.5K	-0.2%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	1,650	$117.39	$193.7K	-0.4%	Open the original filing on SEC.gov
Jul 15	Slessor Mike	CEO	SSELL◷	1,041	$116.56	$121.3K	-0.2%	Open the original filing on SEC.gov
Jun 16	St Dennis Thomas	Director	GGIFT	740	—	—	-2.5%	Open the original filing on SEC.gov
Jun 15	St Dennis Thomas	Director	SSELL	2,800	$151.49	$424.2K	-8.8%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	1,629	$123.37	$201K	-0.4%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	2,500	$122.63	$306.6K	-0.6%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	4,220	$121.72	$513.7K	-0.9%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	975	$121.00	$118K	-0.2%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	400	$119.46	$47.8K	<0.1%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	767	$119.00	$91.3K	-0.2%	Open the original filing on SEC.gov
Jun 10	Slessor Mike	CEO	SSELL◷	1,399	$117.70	$164.7K	-0.3%	Open the original filing on SEC.gov
Jun 2	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER◆	773	—	—	—	Open the original filing on SEC.gov
Jun 2	McKinnis Aric Brendan	CFO, SVP Global Finance	FTAX	193	$125.11	$24.1K	-1.5%	Open the original filing on SEC.gov
Jun 2	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER	773	—	—	+6.3%	Open the original filing on SEC.gov
Jun 2	Rhodes Sheri	Director	SSELL	6,328	$125.40	$793.5K	-54.1%	Open the original filing on SEC.gov
May 21	Obregon-Jimenez Rebeca	Director	SSELL	3,828	$126.48	$484.1K	-32.7%	Open the original filing on SEC.gov
May 20	White Brian C	Director	SSELL	3,250	$126.00	$409.5K	-27.3%	Open the original filing on SEC.gov
May 19	St Dennis Thomas	Director	SSELL	1,000	$115.84	$115.8K	-3.0%	Open the original filing on SEC.gov
May 15	Steven-Waiss Kelley	Director	SSELL	5,400	$125.60	$678.2K	-17.7%	Open the original filing on SEC.gov
May 15	St Dennis Thomas	Director	AGRANT	1,347	—	—	+4.3%	Open the original filing on SEC.gov
May 15	Obregon-Jimenez Rebeca	Director	AGRANT	1,347	—	—	+13.0%	Open the original filing on SEC.gov
May 15	Rhodes Sheri	Director	AGRANT	1,347	—	—	+13.0%	Open the original filing on SEC.gov
May 15	Steven-Waiss Kelley	Director	AGRANT	1,347	—	—	+5.3%	Open the original filing on SEC.gov
May 15	Titinger Jorge	Director	AGRANT	1,347	—	—	+10.0%	Open the original filing on SEC.gov
May 15	White Brian C	Director	AGRANT	1,347	—	—	+12.8%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	702	$136.15	$95.6K	-0.2%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	66	$135.73	$9K	<0.1%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	200	$132.63	$26.5K	<0.1%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	200	$130.57	$26.1K	<0.1%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	700	$129.33	$90.5K	-0.2%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	700	$128.52	$90K	-0.2%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	100	$127.47	$12.7K	<0.1%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	398	$126.59	$50.4K	<0.1%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	1,388	$125.58	$174.3K	-0.3%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	2,984	$124.71	$372.1K	-0.7%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	1,300	$123.72	$160.8K	-0.3%	Open the original filing on SEC.gov
May 13	Slessor Mike	CEO	SSELL◷	700	$122.84	$86K	-0.1%	Open the original filing on SEC.gov
May 13	Titinger Jorge	Director	SSELL	4,009	$128.79	$516.3K	-22.9%	Open the original filing on SEC.gov
May 7	Slessor Mike	CEO	MEXER◆	5,908	—	—	—	Open the original filing on SEC.gov
May 7	Slessor Mike	CEO	FTAX	3,288	$144.68	$475.7K	-0.7%	Open the original filing on SEC.gov
May 7	Slessor Mike	CEO	MEXER	5,908	—	—	+1.3%	Open the original filing on SEC.gov
May 6	Slessor Mike	CEO	MEXER◆	6,031	—	—	—	Open the original filing on SEC.gov
May 6	Slessor Mike	CEO	FTAX	3,357	$149.12	$500.6K	-0.7%	Open the original filing on SEC.gov
May 6	Slessor Mike	CEO	MEXER	6,031	—	—	+1.3%	Open the original filing on SEC.gov
May 6	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER◆	1,099	—	—	—	Open the original filing on SEC.gov
May 6	McKinnis Aric Brendan	CFO, SVP Global Finance	FTAX	274	$149.12	$40.9K	-2.2%	Open the original filing on SEC.gov
May 6	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER	1,099	—	—	+9.5%	Open the original filing on SEC.gov
May 5	Slessor Mike	CEO	MEXER◆	3,644	—	—	—	Open the original filing on SEC.gov
May 5	Slessor Mike	CEO	FTAX	2,028	$145.00	$294.1K	-0.4%	Open the original filing on SEC.gov
May 5	Slessor Mike	CEO	MEXER	3,644	—	—	+0.8%	Open the original filing on SEC.gov
May 5	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER◆	521	—	—	—	Open the original filing on SEC.gov
May 5	McKinnis Aric Brendan	CFO, SVP Global Finance	FTAX	130	$145.00	$18.9K	-1.1%	Open the original filing on SEC.gov
May 5	McKinnis Aric Brendan	CFO, SVP Global Finance	MEXER	521	—	—	+4.7%	Open the original filing on SEC.gov

MEXER◆—

Slessor Mike · CEOAug 7

5,908 sh

MEXER◆—

Slessor Mike · CEOAug 7

141,792 sh

AGRANT◆—

Slessor Mike · CEOAug 7

141,792 sh

FTAX$386K

Slessor Mike · CEOAug 7

3,288 sh @ $117.39 · -0.7% own

MEXER—

Slessor Mike · CEOAug 7

5,908 sh · +1.2% own

FTAX$9.3M

Slessor Mike · CEOAug 7

78,908 sh @ $117.39 · -13.7% own

MEXER—

Slessor Mike · CEOAug 7

141,792 sh · +32.6% own

MEXER◆—

Slessor Mike · CEOAug 6

6,031 sh

FTAX$386.8K

Slessor Mike · CEOAug 6

3,357 sh @ $115.21 · -0.8% own

MEXER—

Slessor Mike · CEOAug 6

6,031 sh · +1.4% own

MEXER◆—

McKinnis Aric Brendan · CFO, SVP Global…Aug 6

1,099 sh

FTAX$31.6K

McKinnis Aric Brendan · CFO, SVP Global…Aug 6

274 sh @ $115.21 · -1.9% own

MEXER—

McKinnis Aric Brendan · CFO, SVP Global…Aug 6

1,099 sh · +8.3% own

AGRANT◆—

Slessor Mike · CEOAug 6

27,696 sh

AGRANT◆—

McKinnis Aric Brendan · CFO, SVP Global…Aug 6

6,924 sh

MEXER◆—

Slessor Mike · CEOAug 5

3,644 sh

FTAX$232.1K

Slessor Mike · CEOAug 5

2,028 sh @ $114.44 · -0.5% own

MEXER—

Slessor Mike · CEOAug 5

3,644 sh · +0.9% own

MEXER◆—

McKinnis Aric Brendan · CFO, SVP Global…Aug 5

521 sh

FTAX$14.9K

McKinnis Aric Brendan · CFO, SVP Global…Aug 5

130 sh @ $114.44 · -1.0% own

MEXER—

McKinnis Aric Brendan · CFO, SVP Global…Aug 5

521 sh · +4.0% own

SSELL◷$105.3K

Slessor Mike · CEOJul 15

868 sh @ $121.30 · -0.2% own

SSELL◷$36.2K

Slessor Mike · CEOJul 15

300 sh @ $120.58 · <0.1% own

SSELL◷$20.2K

Slessor Mike · CEOJul 15

170 sh @ $119.08 · <0.1% own

SSELL◷$83.5K

Slessor Mike · CEOJul 15

706 sh @ $118.21 · -0.2% own

SSELL◷$193.7K

Slessor Mike · CEOJul 15

1,650 sh @ $117.39 · -0.4% own

SSELL◷$121.3K

Slessor Mike · CEOJul 15

1,041 sh @ $116.56 · -0.2% own

GGIFT—

St Dennis Thomas · DirectorJun 16

740 sh · -2.5% own

SSELL$424.2K

St Dennis Thomas · DirectorJun 15

2,800 sh @ $151.49 · -8.8% own

SSELL◷$201K

Slessor Mike · CEOJun 10

1,629 sh @ $123.37 · -0.4% own

SSELL◷$306.6K

Slessor Mike · CEOJun 10

2,500 sh @ $122.63 · -0.6% own

SSELL◷$513.7K

Slessor Mike · CEOJun 10

4,220 sh @ $121.72 · -0.9% own

SSELL◷$118K

Slessor Mike · CEOJun 10

975 sh @ $121.00 · -0.2% own

SSELL◷$47.8K

Slessor Mike · CEOJun 10

400 sh @ $119.46 · <0.1% own

SSELL◷$91.3K

Slessor Mike · CEOJun 10

767 sh @ $119.00 · -0.2% own

SSELL◷$164.7K

Slessor Mike · CEOJun 10

1,399 sh @ $117.70 · -0.3% own

MEXER◆—

McKinnis Aric Brendan · CFO, SVP Global…Jun 2

773 sh

FTAX$24.1K

McKinnis Aric Brendan · CFO, SVP Global…Jun 2

193 sh @ $125.11 · -1.5% own

MEXER—

McKinnis Aric Brendan · CFO, SVP Global…Jun 2

773 sh · +6.3% own

SSELL$793.5K

Rhodes Sheri · DirectorJun 2

6,328 sh @ $125.40 · -54.1% own

SSELL$484.1K

Obregon-Jimenez Rebeca · DirectorMay 21

3,828 sh @ $126.48 · -32.7% own

SSELL$409.5K

White Brian C · DirectorMay 20

3,250 sh @ $126.00 · -27.3% own

SSELL$115.8K

St Dennis Thomas · DirectorMay 19

1,000 sh @ $115.84 · -3.0% own

SSELL$678.2K

Steven-Waiss Kelley · DirectorMay 15

5,400 sh @ $125.60 · -17.7% own

AGRANT—

St Dennis Thomas · DirectorMay 15

1,347 sh · +4.3% own

AGRANT—

Obregon-Jimenez Rebeca · DirectorMay 15

1,347 sh · +13.0% own

AGRANT—

Rhodes Sheri · DirectorMay 15

1,347 sh · +13.0% own

AGRANT—

Steven-Waiss Kelley · DirectorMay 15

1,347 sh · +5.3% own

AGRANT—

Titinger Jorge · DirectorMay 15

1,347 sh · +10.0% own

AGRANT—

White Brian C · DirectorMay 15

1,347 sh · +12.8% own

SSELL◷$95.6K

Slessor Mike · CEOMay 13

702 sh @ $136.15 · -0.2% own

SSELL◷$9K

Slessor Mike · CEOMay 13

66 sh @ $135.73 · <0.1% own

SSELL◷$26.5K

Slessor Mike · CEOMay 13

200 sh @ $132.63 · <0.1% own

SSELL◷$26.1K

Slessor Mike · CEOMay 13

200 sh @ $130.57 · <0.1% own

SSELL◷$90.5K

Slessor Mike · CEOMay 13

700 sh @ $129.33 · -0.2% own

SSELL◷$90K

Slessor Mike · CEOMay 13

700 sh @ $128.52 · -0.2% own

SSELL◷$12.7K

Slessor Mike · CEOMay 13

100 sh @ $127.47 · <0.1% own

SSELL◷$50.4K

Slessor Mike · CEOMay 13

398 sh @ $126.59 · <0.1% own

SSELL◷$174.3K

Slessor Mike · CEOMay 13

1,388 sh @ $125.58 · -0.3% own

SSELL◷$372.1K

Slessor Mike · CEOMay 13

2,984 sh @ $124.71 · -0.7% own

SSELL◷$160.8K

Slessor Mike · CEOMay 13

1,300 sh @ $123.72 · -0.3% own

SSELL◷$86K

Slessor Mike · CEOMay 13

700 sh @ $122.84 · -0.1% own

SSELL$516.3K

Titinger Jorge · DirectorMay 13

4,009 sh @ $128.79 · -22.9% own

MEXER◆—

Slessor Mike · CEOMay 7

5,908 sh

FTAX$475.7K

Slessor Mike · CEOMay 7

3,288 sh @ $144.68 · -0.7% own

MEXER—

Slessor Mike · CEOMay 7

5,908 sh · +1.3% own

MEXER◆—

Slessor Mike · CEOMay 6

6,031 sh

FTAX$500.6K

Slessor Mike · CEOMay 6

3,357 sh @ $149.12 · -0.7% own

MEXER—

Slessor Mike · CEOMay 6

6,031 sh · +1.3% own

MEXER◆—

McKinnis Aric Brendan · CFO, SVP Global…May 6

1,099 sh

FTAX$40.9K

McKinnis Aric Brendan · CFO, SVP Global…May 6

274 sh @ $149.12 · -2.2% own

MEXER—

McKinnis Aric Brendan · CFO, SVP Global…May 6

1,099 sh · +9.5% own

MEXER◆—

Slessor Mike · CEOMay 5

3,644 sh

FTAX$294.1K

Slessor Mike · CEOMay 5

2,028 sh @ $145.00 · -0.4% own

MEXER—

Slessor Mike · CEOMay 5

3,644 sh · +0.8% own

MEXER◆—

McKinnis Aric Brendan · CFO, SVP Global…May 5

521 sh

FTAX$18.9K

McKinnis Aric Brendan · CFO, SVP Global…May 5

130 sh @ $145.00 · -1.1% own

MEXER—

McKinnis Aric Brendan · CFO, SVP Global…May 5

521 sh · +4.7% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 23 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.