Company · CIK 0002021728 · SIC 3674 — Semiconductors & Related Devices · Nasdaq
Cerebras Systems Inc. · CBRS
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 23, 2026 JForm 4 → | Sep 25, 4:34 pm EDT | Lior SusanDirector | 500,610 | — | — | 309,603 | — | |
| Sep 21, 2026 JForm 4 → | Sep 23, 5:16 pm EDT | Andrew D. FeldmanCEO, President, Director | 120 | — | — | 926 | — | |
| Sep 21, 2026 JForm 4 → | Sep 23, 5:10 pm EDT | Eric VishriaDirector | 44,507 | — | — | 275,854 | — | 10b5-1 |
| Sep 15, 2026 JForm 4 → | Sep 17, 4:16 pm EDT | Lior SusanDirector | 499,312 | — | — | 278,775 | — | |
| Sep 8, 2026 JForm 4 → | Sep 10, 5:18 pm EDT | Eric VishriaDirector | 44,507 | — | — | 231,347 | — | 10b5-1 |
| Sep 4, 2026 SForm 4 → | Sep 8, 8:20 pm EDT | Steven VassalloDirector | 50,000 | $210.30 | $10,515,135 | 171,977 | −22.5% | |
| Sep 4, 2026 SForm 4 → | Sep 8, 8:19 pm EDT | Sean LieChief Technology Officer | 53,460 | $210.16 | $11,235,154 | 345,569 | −13.4% | |
| Sep 4, 2026 CGForm 4 → | Sep 8, 8:19 pm EDT | Sean LieChief Technology Officer | 62,179 | — | — | 399,029 | — | |
| Sep 4, 2026 SForm 4 → | Sep 8, 8:17 pm EDT | Andrew D. FeldmanCEO, President, Director | 37,441 | $210.46 | $7,879,687 | 16,853 | −69.0% | |
| Sep 4, 2026 CJForm 4 → | Sep 8, 8:17 pm EDT | Andrew D. FeldmanCEO, President, Director | 37,561 | — | — | 806 | — | |
| Sep 2, 2026 JForm 4 → | Sep 4, 4:05 pm EDT | Lior SusanDirector | 996,161 | — | — | 255,041 | — | |
| Aug 24, 2026 JForm 4 → | Aug 26, 4:02 pm EDT | Eric VishriaDirector | 44,507 | — | — | 186,840 | — | 10b5-1 |
| Aug 24, 2026 CJForm 4 → | Aug 26, 4:01 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +810% Owner | 1,927,636 | — | — | 0 | — | 10b5-1 |
| Aug 21, 2026 CJForm 4 → | Aug 25, 7:34 pm EDT | Steven VassalloDirector | 3,162,264 | — | — | 139,618 | — | |
| Aug 21, 2026 CJForm 4 → | Aug 25, 7:33 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 3,060,548 | — | — | 0 | — | |
| Aug 21, 2026 SForm 4 → | Aug 25, 6:13 pm EDT | Andrew D. FeldmanCEO, President, Director | 237,559 | $199.27 | $47,338,835 | 16,853 | −93.4% | |
| Aug 21, 2026 CGJForm 4 → | Aug 25, 6:13 pm EDT | Andrew D. FeldmanCEO, President, Director | 287,679 | — | — | 686 | — | |
| Aug 20, 2026 SForm 4 → | Aug 21, 8:58 pm EDT | Sean LieChief Technology Officer | 726,540 | $207.90 | $151,050,463 | 368,926 | −66.3% | |
| Aug 20, 2026 CGForm 4 → | Aug 21, 8:58 pm EDT | Sean LieChief Technology Officer | 926,165 | — | — | 385,219 | — | |
| Aug 19, 2026 JForm 4 → | Aug 21, 4:15 pm EDT | Lior SusanDirector | 995,437 | — | — | 207,571 | — | |
| Aug 18, 2026 CJForm 4 → | Aug 20, 8:53 pm EDT | Steven VassalloDirector | 4,942,804 | — | — | 105,070 | — | |
| Aug 18, 2026 CJForm 4 → | Aug 20, 8:51 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 4,783,468 | — | — | 0 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:14 pm EDT | Robert Patrick Komin Jr.Chief Financial Officer | 32,500 | — | — | 32,500 | — | |
| Aug 18, 2026 SForm 4 → | Aug 20, 8:10 pm EDT | Yagnesh PatelChief Accounting Officer | 4,574 | $222.22 | $1,016,445 | 16,676 | −21.5% | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:10 pm EDT | Yagnesh PatelChief Accounting Officer | 6,250 | — | — | 21,250 | — | |
| Aug 18, 2026 SForm 4 → | Aug 20, 8:05 pm EDT | Dhiraj MallickChief Operating Officer | 38,889 | $222.22 | $8,642,077 | 120,000 | −24.5% | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:05 pm EDT | Dhiraj MallickChief Operating Officer | 158,889 | — | — | 158,889 | — | |
| Aug 18, 2026 SForm 4 → | Aug 20, 8:04 pm EDT | Sean LieChief Technology Officer | 21,257 | $222.22 | $4,723,765 | 595,449 | −3.45% | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:04 pm EDT | Sean LieChief Technology Officer | 616,706 | — | — | 616,706 | — | |
| Aug 18, 2026 SForm 4 → | Aug 19, 9:12 pm EDT | Andrew D. FeldmanCEO, President, Director | 26,644 | $222.22 | $5,920,937 | 66,853 | −28.5% | |
| Aug 17, 2026 CJForm 4 → | Aug 19, 9:12 pm EDT | Andrew D. FeldmanCEO, President, Director | 93,795 | — | — | 93,497 | — | |
| Aug 17, 2026 CJForm 4 → | Aug 19, 5:43 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +810% Owner | 4,804,704 | — | — | 0 | — | 10b5-1 |
| Aug 17, 2026 JForm 4 → | Aug 19, 5:41 pm EDT | Eric VishriaDirector | 110,950 | — | — | 142,333 | — | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 19, 5:41 pm EDT | Eric VishriaDirector | 68,268 | $229.77 | $15,685,957 | 31,383 | −68.5% | 10b5-1 |
| Aug 14, 2026 SForm 4 → | Aug 18, 6:38 pm EDT | Steven VassalloDirector | 50,000 | $218.18 | $10,909,101 | 49,599 | −50.2% | |
| Aug 14, 2026 JForm 4 → | Aug 18, 4:17 pm EDT | Lior SusanDirector | 2,473,482 | — | — | 160,791 | — | |
| Jun 30, 2026 SForm 4 → | Jul 1, 4:21 pm EDT | Dhiraj MallickChief Operating Officer | 10,000 | $206.51 | $2,065,100 | 0 | −100% | |
| Jun 30, 2026 CForm 4 → | Jul 1, 4:21 pm EDT | Dhiraj MallickChief Operating Officer | 10,000 | — | — | 10,000 | — | |
| Jun 29, 2026 JForm 4 → | Jul 1, 5:30 pm EDT | Eric VishriaDirector | 99,651 | — | — | 99,651 | — | |
| Jun 29, 2026 CJForm 4 → | Jul 1, 5:30 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +310% Owner | 4,315,604 | — | — | 0 | — | |
| Jun 29, 2026 JForm 4 → | Jul 1, 4:22 pm EDT | Andrew D. FeldmanCEO, President, Director | 268 | — | — | 268 | — | |
| Jun 26, 2026 AForm 4 → | Jun 29, 4:49 pm EDT | Yagnesh PatelChief Accounting Officer | 15,000 | — | — | 15,000 | — | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:53 pm EDT | Dhiraj MallickChief Operating Officer | 33,314 | $178.19 | $5,936,180 | 0 | −100% | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:51 pm EDT | Dhiraj MallickChief Operating Officer | 36,131 | $169.28 | $6,116,197 | 33,314 | −52.0% | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:51 pm EDT | Dhiraj MallickChief Operating Officer | 69,445 | — | — | 69,445 | — | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:49 pm EDT | Yagnesh PatelChief Accounting Officer | 4,000 | $174.20 | $696,809 | 0 | −100% | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:48 pm EDT | Yagnesh PatelChief Accounting Officer | 6,079 | $171.53 | $1,042,704 | 4,000 | −60.3% | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:48 pm EDT | Yagnesh PatelChief Accounting Officer | 10,079 | — | — | 10,079 | — | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:47 pm EDT | Andrew D. FeldmanCEO, President, Director | 17,990 | $173.06 | $3,113,283 | 0 | −100% | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:47 pm EDT | Andrew D. FeldmanCEO, President, Director | 17,990 | — | — | 17,990 | — | |
| Jun 25, 2026 SForm 4 → | Jun 29, 4:47 pm EDT | Sean LieChief Technology Officer | 10,033 | $170.07 | $1,706,311 | 0 | −100% | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:47 pm EDT | Sean LieChief Technology Officer | 10,033 | — | — | 10,033 | — | |
| Jun 25, 2026 JForm 4 → | Jun 26, 4:49 pm EDT | Lior SusanDirector | 2,153,875 | — | — | 40,975 | — | |
| Jun 24, 2026 CJForm 4 → | Aug 18, 6:38 pm EDT | Steven VassalloDirector | 4,877,265 | — | — | 50,944 | — | late |
| Jun 24, 2026 CJForm 4 → | Aug 18, 6:37 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 4,726,722 | — | — | 1,368 | — | late |
| Jun 11, 2026 CForm 4 → | Jun 12, 6:14 pm EDT | Lior SusanDirector | 13,466,197 | — | — | 13,466,197 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026 CMForm 4 → | Sep 8, 8:19 pm EDT | Sean LieChief Technology Officer | 138,423 | — | — | 7,582,992 | — | |
| Sep 4, 2026 CMForm 4 → | Sep 8, 8:17 pm EDT | Andrew D. FeldmanCEO, President, Director | 112,323 | — | — | 13,945,134 | — | |
| Aug 24, 2026 CForm 4 → | Aug 26, 4:01 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +810% Owner | 963,818 | — | — | 8,861,375 | — | 10b5-1 |
| Aug 21, 2026 CForm 4 → | Aug 25, 7:34 pm EDT | Steven VassalloDirector | 1,224,187 | — | — | 731,246 | — | |
| Aug 21, 2026 CForm 4 → | Aug 25, 7:33 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 1,224,187 | — | — | 731,246 | — | |
| Aug 21, 2026 CMForm 4 → | Aug 25, 6:13 pm EDT | Andrew D. FeldmanCEO, President, Director | 712,677 | — | — | 13,945,134 | — | |
| Aug 20, 2026 CMForm 4 → | Aug 21, 8:58 pm EDT | Sean LieChief Technology Officer | 2,139,273 | — | — | 7,582,992 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:53 pm EDT | Steven VassalloDirector | 1,912,792 | — | — | 818,559 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:51 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 1,912,792 | — | — | 818,559 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:14 pm EDT | Robert Patrick Komin Jr.Chief Financial Officer | 32,500 | — | — | 821,653 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:10 pm EDT | Yagnesh PatelChief Accounting Officer | 6,250 | — | — | 114,588 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:05 pm EDT | Dhiraj MallickChief Operating Officer | 158,889 | — | — | 520,807 | — | |
| Aug 18, 2026 CForm 4 → | Aug 20, 8:04 pm EDT | Sean LieChief Technology Officer | 616,706 | — | — | 7,582,992 | — | |
| Aug 18, 2026 CForm 4 → | Aug 19, 9:12 pm EDT | Andrew D. FeldmanCEO, President, Director | 93,497 | — | — | 13,945,134 | — | |
| Aug 17, 2026 CForm 4 → | Aug 19, 5:43 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +810% Owner | 2,402,352 | — | — | 9,825,193 | — | 10b5-1 |
| Jun 30, 2026 CForm 4 → | Jul 1, 4:21 pm EDT | Dhiraj MallickChief Operating Officer | 10,000 | — | — | 679,696 | — | |
| Jun 29, 2026 CForm 4 → | Jul 1, 5:30 pm EDT | Benchmark Capital Management Co. VIII, L.L.C. +310% Owner | 2,157,802 | — | — | 12,227,545 | — | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:51 pm EDT | Dhiraj MallickChief Operating Officer | 69,445 | — | — | 689,696 | — | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:48 pm EDT | Yagnesh PatelChief Accounting Officer | 10,079 | — | — | 120,838 | — | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:47 pm EDT | Andrew D. FeldmanCEO, President, Director | 17,990 | — | — | 14,038,631 | — | |
| Jun 25, 2026 CForm 4 → | Jun 29, 4:47 pm EDT | Sean LieChief Technology Officer | 10,033 | — | — | 8,199,698 | — | |
| Jun 24, 2026 CForm 4 → | Aug 18, 6:38 pm EDT | Steven VassalloDirector | 1,912,792 | — | — | 954,985 | — | late |
| Jun 24, 2026 CForm 4 → | Aug 18, 6:37 pm EDT | Foundation Capital Management Co. VIII, L.L.C. +410% Owner | 1,912,792 | — | — | 954,985 | — | late |
| Jun 11, 2026 CForm 4 → | Jun 12, 6:14 pm EDT | Lior SusanDirector | 13,466,197 | — | — | 0 | — |