Insider · CIK 0001339595
Thomas St Dennis
Files at: FORM, ACLS, VECO, MTSN. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 16, 2026 GForm 4 → | Jun 16, 8:31 pm EDT | FORMFACTOR INCFORM | 740 | — | — | 28,333 | — | |
| Jun 15, 2026 SForm 4 → | Jun 16, 8:31 pm EDT | FORMFACTOR INCFORM | 2,800 | $151.49 | $424,172 | 29,073 | −8.78% | |
| Feb 20, 2019 SForm 4 → | Feb 21, 5:02 pm EST | FORMFACTOR INCFORM | 8,000 | $15.99 | $127,895 | 45,000 | −15.1% | plan? |
| Feb 20, 2019 SForm 4 → | Feb 20, 6:43 pm EST | AXCELIS TECHNOLOGIES INCACLS | 5,000 | $22.43 | $112,150 | 27,326 | −15.5% | plan? |
| May 26, 2018 MForm 4 → | May 30, 7:35 pm EDT | FORMFACTOR INCFORM | 12,334 | — | — | 53,000 | — | plan? |
| May 16, 2018 AForm 4 → | May 17, 8:14 am EDT | AXCELIS TECHNOLOGIES INCACLS | 5,637 | — | — | 32,326 | — | plan? |
| May 4, 2018 AForm 4 → | May 4, 4:06 pm EDT | VEECO INSTRUMENTS INCVECO | 7,643 | — | — | 18,240 | — | plan? |
| Mar 6, 2018 SForm 4 → | Mar 7, 8:35 pm EST | FORMFACTOR INCFORM | 20,867 | $13.58 | $283,290 | 40,666 | −33.9% | plan? |
| Mar 6, 2018 MForm 4 → | Mar 7, 8:35 pm EST | FORMFACTOR INCFORM | 20,867 | $10.37 | $216,391 | 61,533 | — | plan? |
| Jun 14, 2017 SForm 4 → | Jun 15, 4:53 pm EDT | FORMFACTOR INCFORM | 400 | $13.93 | $5,570 | 40,666 | −0.97% | plan? |
| Jun 14, 2017 MForm 4 → | Jun 15, 4:53 pm EDT | FORMFACTOR INCFORM | 400 | $10.37 | $4,148 | 41,066 | — | plan? |
| Jun 5, 2017 MForm 4 → | Jun 6, 5:32 pm EDT | FORMFACTOR INCFORM | 128,733 | $10.37 | $1,334,961 | 169,399 | — | plan? |
| Jun 2, 2017 SForm 4 → | Jun 6, 5:32 pm EDT | FORMFACTOR INCFORM | 285,333 | $14.61 | $4,167,997 | 40,666 | −87.5% | plan? |
| May 28, 2017 MForm 4 → | May 31, 7:19 pm EDT | FORMFACTOR INCFORM | 3,333 | — | — | 197,266 | — | plan? |
| May 20, 2017 AForm 4 → | May 23, 6:02 pm EDT | FORMFACTOR INCFORM | 9,000 | — | — | 193,933 | — | plan? |
| May 17, 2017 AForm 4 → | May 17, 4:48 pm EDT | AXCELIS TECHNOLOGIES INCACLS | 3,802 | — | — | 26,689 | — | plan? |
| May 11, 2017 SForm 4 → | May 15, 8:29 pm EDT | FORMFACTOR INCFORM | 13,962 | $13.55 | $189,200 | 184,933 | −7.02% | plan? |
| May 11, 2017 MForm 4 → | May 15, 8:29 pm EDT | FORMFACTOR INCFORM | 13,962 | $7.52 | $104,994 | 198,895 | — | plan? |
| May 9, 2017 SForm 4 → | May 9, 7:00 pm EDT | FORMFACTOR INCFORM | 62,088 | $13.77 | $854,852 | 184,933 | −25.1% | plan? |
| May 5, 2017 AForm 4/A → | May 19, 4:14 pm EDT | VEECO INSTRUMENTS INCVECO | 3,592 | — | — | 10,597 | — | plan? |
| May 5, 2017 MForm 4 → | May 9, 7:00 pm EDT | FORMFACTOR INCFORM | 82,088 | $7.52 | $466,902 | 247,021 | — | plan? |
| May 5, 2017 AForm 4 → | May 9, 6:12 pm EDT | VEECO INSTRUMENTS INCVECO | 3,592 | $33.40 | $119,973 | 10,597 | — | plan? amended |
| Feb 22, 2017 SForm 4 → | Feb 24, 7:38 pm EST | FORMFACTOR INCFORM | 20,297 | $11.68 | $237,072 | 164,933 | −11.0% | plan? |
| Feb 22, 2017 MForm 4 → | Feb 24, 7:38 pm EST | FORMFACTOR INCFORM | 20,297 | $7.52 | $152,633 | 167,633 | — | plan? |
| Feb 16, 2017 SForm 4 → | Feb 21, 5:52 pm EST | FORMFACTOR INCFORM | 196,682 | $11.83 | $2,326,816 | 164,933 | −54.4% | plan? |
| Feb 16, 2017 MForm 4 → | Feb 21, 5:52 pm EST | FORMFACTOR INCFORM | 196,682 | $7.52 | $1,479,049 | 172,301 | — | plan? |
| Feb 13, 2017 SForm 4 → | Feb 15, 5:53 pm EST | FORMFACTOR INCFORM | 156,971 | $12.07 | $1,894,549 | 164,933 | −48.8% | plan? |
| Feb 13, 2017 MForm 4 → | Feb 15, 5:53 pm EST | FORMFACTOR INCFORM | 156,971 | $7.52 | $1,180,422 | 223,103 | — | plan? |
| Aug 5, 2016 SForm 4 → | Aug 9, 12:55 pm EDT | FORMFACTOR INCFORM | 23,120 | $10.51 | $242,896 | 164,933 | −12.3% | plan? |
| May 31, 2016 MForm 4 → | Jun 2, 7:09 pm EDT | FORMFACTOR INCFORM | 3,333 | — | — | 188,053 | — | plan? |
| May 16, 2016 AForm 4 → | May 17, 8:31 am EDT | AXCELIS TECHNOLOGIES INCACLS | 30,545 | — | — | 91,545 | — | plan? |
| May 11, 2016 DForm 4 → | May 11, 8:00 pm EDT | MATTSON TECHNOLOGY INCMTSN | 33,500 | $3.80 | $127,300 | 0 | — | plan? |
| May 6, 2016 AForm 4 → | May 6, 4:16 pm EDT | VEECO INSTRUMENTS INCVECO | 7,005 | $17.13 | $119,996 | 7,005 | — | plan? |
| May 5, 2016 MForm 4 → | May 9, 7:12 pm EDT | FORMFACTOR INCFORM | 40,000 | — | — | 184,720 | — | plan? |
| May 2, 2016 MForm 4 → | May 3, 7:08 pm EDT | FORMFACTOR INCFORM | 116,600 | — | — | 144,720 | — | plan? |
| Jul 15, 2015 AForm 4 → | Jul 16, 4:05 pm EDT | AXCELIS TECHNOLOGIES INCACLS | 16,000 | — | — | 61,000 | — | plan? |
| May 28, 2015 AForm 4 → | May 29, 4:09 pm EDT | MATTSON TECHNOLOGY INCMTSN | 12,500 | — | — | 33,500 | — | plan? |
| May 21, 2015 SForm 4 → | May 21, 8:25 pm EDT | FORMFACTOR INCFORM | 130,000 | $8.91 | $1,158,872 | 28,120 | −82.2% | plan? |
| May 15, 2015 AForm 4 → | May 18, 5:16 pm EDT | AXCELIS TECHNOLOGIES INCACLS | 45,000 | — | — | 45,000 | — | plan? |
| May 7, 2015 SForm 4 → | May 8, 7:42 pm EDT | FORMFACTOR INCFORM | 10,606 | $8.28 | $87,851 | 158,120 | −6.29% | plan? |
| May 6, 2015 MForm 4 → | May 8, 7:42 pm EDT | FORMFACTOR INCFORM | 20,000 | — | — | 168,726 | — | plan? |
| May 6, 2015 SForm 4 → | May 7, 4:56 pm EDT | FORMFACTOR INCFORM | 10,607 | $8.25 | $87,519 | 148,726 | −6.66% | plan? |
| May 5, 2015 MForm 4 → | May 7, 4:56 pm EDT | FORMFACTOR INCFORM | 20,000 | — | — | 159,333 | — | plan? |
| May 5, 2015 SForm 4 → | May 6, 9:59 pm EDT | FORMFACTOR INCFORM | 92,782 | $8.42 | $781,512 | 139,333 | −40.0% | plan? |
| May 4, 2015 MForm 4 → | May 6, 9:59 pm EDT | FORMFACTOR INCFORM | 180,000 | — | — | 232,115 | — | plan? |
| Mar 5, 2015 SForm 4 → | Mar 9, 7:09 pm EDT | FORMFACTOR INCFORM | 90,000 | $9.16 | $824,002 | 52,115 | −63.3% | plan? |
| Mar 2, 2015 SForm 4 → | Mar 3, 5:36 pm EST | FORMFACTOR INCFORM | 13,548 | $10.15 | $137,458 | 142,115 | −8.70% | plan? |
| Feb 27, 2015 MForm 4 → | Mar 3, 5:36 pm EST | FORMFACTOR INCFORM | 35,494 | — | — | 155,663 | — | plan? |
| Feb 10, 2015 MForm 4 → | Feb 12, 6:09 pm EST | FORMFACTOR INCFORM | 23,513 | $8.52 | $58,311 | 120,169 | — | plan? |
| May 28, 2014 AForm 4 → | Mar 20, 2015, 4:56 pm EDT | MATTSON TECHNOLOGY INCMTSN | 12,500 | — | — | 21,000 | — | plan? late |