FORMFACTOR INC
FORM · Semiconductors & Related Devices · 78.0M shares · +0%/yr ↑ shares · EDGAR filings ↗
Net buyback after stock comp: -$19M (gross $20M, SBC $39M)
Reference price $151.49 · est. market cap ~$11.8B — last insider sale, 2026-06-15 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C66Semiconductor-test (probe-card) maker, debt-free and profitable, but with an earnings dip and modest growth.
Strengths
- Debt-free, strong coverage — D/E 0.01, interest coverage 109.54, current ratio 4.50 (69th)
- Profitable — operating margin 7.3%, net margin 6.9%
Risks
- Earnings dip — net income -21.9% (43rd)
- Modest growth, thin FCF margin — revenue +2.8%, FCF margin 1.5%
- Semiconductor-test cyclicality — per 10-K
Notable findings
- Customer concentration~34% of revenue from one customer/distributor — 9% of total revenues in fiscal 2025, two customers represented a combined 33
- ImpairmentRecent 8-K item 2.06 8-K ↗
- Exec changeRecent 8-K item 5.02 8-K ↗
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Strong balance sheetStrong balance sheet — $275M cash & investments
- Notable holderHeld by 5 notable fund(s): STATE STREET CORP, GOLDMAN SACHS GROUP INC, FMR LLC +2 more (as of 2026-03-31)
- Insider sellingInsider selling — 50 open-market sale(s) by 9 insider(s) (cluster of 9 insiders, ~$16M, last 6mo) Form 4 ↗
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
39.3%
Operating margin
7.3%
Net margin
6.9%
Return on equity
5.3%
Return on assets
4.4%
ROIC
4.3%
Revenue growth (QoQ)
5.1%
Net-income growth
-21.9%
Debt / equity
0.0×
Interest coverage
109.5×
Current ratio
4.5×
Free cash flow
$12M
Tangible book value
$803M
Cash & investments
$275M
Stock comp / revenue
4.9%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-16 | St Dennis Thomas | Gift | 740 | — |
| 2026-06-15 | St Dennis Thomas | Sell | 2.8K | $151.49 |
| 2026-06-10 | SLESSOR MIKE | Sell | 1.6K | $123.37 |
| 2026-06-10 | SLESSOR MIKE | Sell | 1.4K | $117.70 |
| 2026-06-10 | SLESSOR MIKE | Sell | 767 | $119.00 |
| 2026-06-10 | SLESSOR MIKE | Sell | 400 | $119.46 |
| 2026-06-10 | SLESSOR MIKE | Sell | 4.2K | $121.72 |
| 2026-06-10 | SLESSOR MIKE | Sell | 975 | $121.00 |
| 2026-06-10 | SLESSOR MIKE | Sell | 2.5K | $122.63 |
| 2026-06-02 | McKinnis Aric Brendan | Option exercise | 773 | — |
| 2026-06-02 | Rhodes Sheri | Sell | 6.3K | $125.40 |
| 2026-06-02 | McKinnis Aric Brendan | Tax withheld | 193 | $125.11 |
| 2026-05-21 | Obregon-Jimenez Rebeca | Sell | 3.8K | $126.47 |
| 2026-05-20 | WHITE BRIAN C | Sell | 3.2K | $126.00 |
| 2026-05-19 | St Dennis Thomas | Sell | 1.0K | $115.84 |
| 2026-05-15 | Titinger Jorge | Grant | 1.3K | — |
| 2026-05-15 | STEVEN-WAISS KELLEY | Sell | 5.4K | $125.60 |
| 2026-05-15 | St Dennis Thomas | Grant | 1.3K | — |
| 2026-05-15 | Obregon-Jimenez Rebeca | Grant | 1.3K | — |
| 2026-05-15 | Rhodes Sheri | Grant | 1.3K | — |
| 2026-05-15 | STEVEN-WAISS KELLEY | Grant | 1.3K | — |
| 2026-05-15 | WHITE BRIAN C | Grant | 1.3K | — |
| 2026-05-13 | SLESSOR MIKE | Sell | 200 | $132.63 |
| 2026-05-13 | SLESSOR MIKE | Sell | 702 | $136.15 |
| 2026-05-13 | Titinger Jorge | Sell | 4.0K | $128.78 |
| 2026-05-13 | SLESSOR MIKE | Sell | 700 | $122.84 |
| 2026-05-13 | SLESSOR MIKE | Sell | 1.3K | $123.72 |
| 2026-05-13 | SLESSOR MIKE | Sell | 3.0K | $124.71 |
| 2026-05-13 | SLESSOR MIKE | Sell | 1.4K | $125.58 |
| 2026-05-13 | SLESSOR MIKE | Sell | 398 | $126.59 |
| 2026-05-13 | SLESSOR MIKE | Sell | 100 | $127.47 |
| 2026-05-13 | SLESSOR MIKE | Sell | 700 | $128.52 |
| 2026-05-13 | SLESSOR MIKE | Sell | 700 | $129.33 |
| 2026-05-13 | SLESSOR MIKE | Sell | 200 | $130.57 |
| 2026-05-13 | SLESSOR MIKE | Sell | 66 | $135.73 |
| 2026-05-07 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2026-05-07 | SLESSOR MIKE | Tax withheld | 3.3K | $144.68 |
| 2026-05-06 | McKinnis Aric Brendan | Option exercise | 1.1K | — |
| 2026-05-06 | McKinnis Aric Brendan | Tax withheld | 274 | $149.12 |
| 2026-05-06 | SLESSOR MIKE | Option exercise | 6.0K | — |
| 2026-05-06 | SLESSOR MIKE | Tax withheld | 3.4K | $149.12 |
| 2026-05-05 | McKinnis Aric Brendan | Option exercise | 521 | — |
| 2026-05-05 | SLESSOR MIKE | Tax withheld | 2.0K | $145.00 |
| 2026-05-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2026-05-05 | McKinnis Aric Brendan | Tax withheld | 130 | $145.00 |
| 2026-04-15 | SLESSOR MIKE | Sell | 767 | $129.22 |
| 2026-04-15 | SLESSOR MIKE | Sell | 1.8K | $125.24 |
| 2026-04-15 | SLESSOR MIKE | Sell | 900 | $126.58 |
| 2026-04-15 | SLESSOR MIKE | Sell | 2.4K | $127.65 |
| 2026-04-15 | SLESSOR MIKE | Sell | 5.4K | $128.56 |
| 2026-03-18 | SLESSOR MIKE | Sell | 5.5K | $95.21 |
| 2026-03-18 | SLESSOR MIKE | Sell | 1.9K | $94.10 |
| 2026-03-18 | SLESSOR MIKE | Sell | 2.8K | $95.73 |
| 2026-03-05 | McKinnis Aric Brendan | Sell | 3.5K | $90.42 |
| 2026-03-02 | McKinnis Aric Brendan | Tax withheld | 193 | $99.70 |
| 2026-03-02 | McKinnis Aric Brendan | Option exercise | 773 | — |
| 2026-02-24 | WHITE BRIAN C | Sell | 2.3K | $100.01 |
| 2026-02-18 | SLESSOR MIKE | Sell | 4.9K | $93.97 |
| 2026-02-18 | SLESSOR MIKE | Sell | 834 | $92.85 |
| 2026-02-18 | SLESSOR MIKE | Sell | 2.9K | $94.79 |
| 2026-02-11 | BREWER KEVIN J | Sell | 3.0K | $96.20 |
| 2026-02-10 | Rhodes Sheri | Sell | 7.6K | $92.61 |
| 2026-02-10 | St Dennis Thomas | Sell | 5.6K | $93.71 |
| 2026-02-10 | STEVEN-WAISS KELLEY | Sell | 2.2K | $93.70 |
| 2026-02-10 | St Dennis Thomas | Sell | 1.8K | $94.24 |
| 2026-02-09 | Obregon-Jimenez Rebeca | Sell | 2.8K | $95.82 |
| 2026-02-09 | Titinger Jorge | Sell | 2.0K | $88.84 |
| 2026-02-09 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2026-02-09 | SLESSOR MIKE | Tax withheld | 3.3K | $94.88 |
| 2026-02-09 | WHITE BRIAN C | Sell | 5.5K | $90.95 |
| 2026-02-06 | McKinnis Aric Brendan | Tax withheld | 336 | $90.29 |
| 2026-02-06 | SLESSOR MIKE | Option exercise | 6.0K | — |
| 2026-02-06 | SLESSOR MIKE | Tax withheld | 3.4K | $90.29 |
| 2026-02-06 | McKinnis Aric Brendan | Option exercise | 1.1K | — |
| 2026-02-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2026-02-05 | McKinnis Aric Brendan | Option exercise | 521 | — |
| 2026-02-05 | McKinnis Aric Brendan | Tax withheld | 162 | $83.87 |
| 2026-02-05 | SLESSOR MIKE | Tax withheld | 2.1K | $83.87 |
| 2026-01-15 | SLESSOR MIKE | Sell | 7.0K | $76.43 |
| 2026-01-15 | SLESSOR MIKE | Sell | 6.1K | $77.24 |
| 2026-01-06 | SLESSOR MIKE | Sell | 40K | $65.00 |
| 2025-12-17 | SLESSOR MIKE | Sell | 2.1K | $56.82 |
| 2025-12-17 | SLESSOR MIKE | Sell | 5.6K | $56.19 |
| 2025-12-02 | McKinnis Aric Brendan | Option exercise | 773 | — |
| 2025-12-02 | McKinnis Aric Brendan | Tax withheld | 193 | $56.04 |
| 2025-12-02 | STEVEN-WAISS KELLEY | Sell | 2.7K | $55.97 |
| 2025-11-19 | SLESSOR MIKE | Sell | 3.7K | $50.60 |
| 2025-11-19 | SLESSOR MIKE | Sell | 4.7K | $49.65 |
| 2025-11-17 | St Dennis Thomas | Sell | 2.0K | $49.85 |
| 2025-11-07 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2025-11-07 | SLESSOR MIKE | Tax withheld | 3.3K | $52.25 |
| 2025-11-06 | SLESSOR MIKE | Tax withheld | 3.4K | $54.22 |
| 2025-11-06 | SLESSOR MIKE | Option exercise | 6.0K | — |
| 2025-11-05 | SLESSOR MIKE | Tax withheld | 2.0K | $55.36 |
| 2025-11-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2025-11-05 | McKinnis Aric Brendan | Option exercise | 521 | — |
| 2025-11-05 | McKinnis Aric Brendan | Tax withheld | 130 | $55.36 |
| 2025-11-03 | SLESSOR MIKE | Gift | 5.0K | — |
| 2025-09-12 | STEVEN-WAISS KELLEY | Sell | 3.6K | $30.43 |
| 2025-09-02 | McKinnis Aric Brendan | Option exercise | 773 | — |
| 2025-09-02 | McKinnis Aric Brendan | Tax withheld | 193 | $28.43 |
| 2025-08-13 | Obregon-Jimenez Rebeca | Sell | 4.0K | $29.55 |
| 2025-08-07 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2025-08-07 | SLESSOR MIKE | Tax withheld | 3.3K | $27.98 |
| 2025-08-07 | Shahar Shai | Option exercise | 3.0K | — |
| 2025-08-07 | Shahar Shai | Tax withheld | 1.6K | $27.98 |
| 2025-08-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2025-08-05 | SLESSOR MIKE | Tax withheld | 2.0K | $29.14 |
| 2025-08-05 | Shahar Shai | Option exercise | 1.1K | — |
| 2025-08-05 | Shahar Shai | Tax withheld | 620 | $29.14 |
| 2025-08-01 | Shahar Shai | Tax withheld | 9.7K | $28.93 |
| 2025-08-01 | SLESSOR MIKE | Option exercise | 50K | — |
| 2025-08-01 | SLESSOR MIKE | Tax withheld | 28K | $28.93 |
| 2025-08-01 | SLESSOR MIKE | Option exercise | 14K | — |
| 2025-08-01 | SLESSOR MIKE | Tax withheld | 8.0K | $28.93 |
| 2025-08-01 | Shahar Shai | Option exercise | 17K | — |
| 2025-08-01 | Shahar Shai | Option exercise | 5.0K | — |
| 2025-08-01 | Shahar Shai | Tax withheld | 2.8K | $28.93 |
| 2025-07-01 | SLESSOR MIKE | Sell | 4.0K | $34.03 |
| 2025-06-02 | SLESSOR MIKE | Sell | 4.0K | $29.83 |
| 2025-05-29 | St Dennis Thomas | Sell | 3.0K | $31.24 |
| 2025-05-16 | STEVEN-WAISS KELLEY | Grant | 6.5K | — |
| 2025-05-16 | WHITE BRIAN C | Grant | 6.5K | — |
| 2025-05-16 | Titinger Jorge | Grant | 6.5K | — |
| 2025-05-16 | Rhodes Sheri | Grant | 6.5K | — |
| 2025-05-16 | Obregon-Jimenez Rebeca | Grant | 6.5K | — |
| 2025-05-16 | BREWER KEVIN J | Grant | 6.5K | — |
| 2025-05-16 | St Dennis Thomas | Grant | 6.5K | — |
| 2025-05-07 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2025-05-07 | SLESSOR MIKE | Tax withheld | 3.3K | $29.66 |
| 2025-05-07 | Shahar Shai | Option exercise | 3.0K | — |
| 2025-05-07 | Shahar Shai | Tax withheld | 1.6K | $29.66 |
| 2025-05-05 | Shahar Shai | Option exercise | 1.1K | — |
| 2025-05-05 | Shahar Shai | Tax withheld | 620 | $29.81 |
| 2025-05-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2025-05-05 | SLESSOR MIKE | Tax withheld | 2.0K | $29.81 |
| 2025-05-01 | SLESSOR MIKE | Sell | 4.0K | $31.72 |
| 2025-04-01 | SLESSOR MIKE | Sell | 4.0K | $28.24 |
| 2025-03-05 | STEVEN-WAISS KELLEY | Sell | 3.9K | $31.02 |
| 2025-03-03 | SLESSOR MIKE | Sell | 4.0K | $33.05 |
| 2025-02-07 | Shahar Shai | Option exercise | 3.0K | — |
| 2025-02-07 | Shahar Shai | Tax withheld | 1.8K | $35.84 |
| 2025-02-07 | SLESSOR MIKE | Option exercise | 5.9K | — |
| 2025-02-07 | SLESSOR MIKE | Tax withheld | 3.3K | $35.84 |
| 2025-02-05 | SLESSOR MIKE | Option exercise | 3.6K | — |
| 2025-02-05 | SLESSOR MIKE | Tax withheld | 2.2K | $41.12 |
| 2025-02-05 | Shahar Shai | Option exercise | 1.1K | — |
| 2025-02-05 | Shahar Shai | Tax withheld | 680 | $41.12 |
| 2025-02-03 | SLESSOR MIKE | Sell | 3.9K | $38.97 |
| 2025-02-03 | SLESSOR MIKE | Sell | 100 | $39.53 |
| 2025-01-02 | SLESSOR MIKE | Sell | 3.6K | $44.38 |
| 2025-01-02 | SLESSOR MIKE | Sell | 400 | $45.01 |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-19 | Exec/director change5.03Shareholder voteExhibits | filing ↗ |
| 2026-04-29 | ResultsExhibits | filing ↗ |
| 2026-02-18 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-02-04 | ResultsExhibits | filing ↗ |
| 2026-01-09 | 2.05Impairment | filing ↗ |
| 2025-10-29 | ResultsExhibits | filing ↗ |
| 2025-08-12 | Exec/director changeReg FDExhibits | filing ↗ |
| 2025-07-30 | Material agreementResultsDebt obligation5.03Exhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-19 | 2026-05-15 | 0001039399-26-000025 ↗ |
| 10-Q | 2026-05-05 | 2026-03-28 | 0001039399-26-000023 ↗ |
| 8-K | 2026-04-29 | 2026-04-29 | 0001039399-26-000020 ↗ |
| 10-K | 2026-02-20 | 2025-12-27 | 0001039399-26-000009 ↗ |
| 8-K | 2026-02-18 | 2026-02-13 | 0001039399-26-000007 ↗ |
| 8-K | 2026-02-04 | 2026-02-04 | 0001039399-26-000004 ↗ |
| 8-K | 2026-01-09 | 2026-01-05 | 0001039399-26-000002 ↗ |
| 10-Q | 2025-11-04 | 2025-09-27 | 0001039399-25-000113 ↗ |
| 8-K | 2025-10-29 | 2025-10-29 | 0001039399-25-000110 ↗ |
| 8-K | 2025-08-12 | 2025-08-12 | 0001104659-25-076856 ↗ |
| 10-Q | 2025-08-05 | 2025-06-28 | 0001039399-25-000083 ↗ |
| 8-K | 2025-07-30 | 2025-07-29 | 0001039399-25-000077 ↗ |