Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-09-29 Sale | 2026-09-30 6:35 pm | Cerebras Systems Inc. | CBRS | Komin Robert Patrick Jr. Chief Financial Officer | 32,500 | $203.53 | $6,614,882 | 0 (Direct) | View |
| 2026-09-29 Sale | 2026-09-30 6:34 pm | Cerebras Systems Inc. | CBRS | Mallick Dhiraj Chief Operating Officer | 396,000 | $204.04 | $80,798,604 | 1,408,984 (Direct) | View |
| 2026-09-28 Sale | 2026-09-30 6:33 pm | Cerebras Systems Inc. | CBRS | Patel Yagnesh Chief Accounting Officer | 1,320 | $204.5 | $269,940 | 15,356 (Direct) | View |
| 2026-09-25 Sale | 2026-09-28 4:05 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 120,000 | $208.97 | $25,076,264 | 15,980,719 (Indirect Direct) | View |
| 2026-09-04 Sale | 2026-09-08 8:20 pm | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 50,000 | $210.3 | $10,515,135 | 311,595 (Indirect) | View |
| 2026-09-04 Sale | 2026-09-08 8:19 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 53,460 | $210.16 | $11,235,154 | 16,027,315 (Indirect Direct) | View |
| 2026-09-04 Sale | 2026-09-08 8:17 pm | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 37,441 | $210.46 | $7,879,687 | 28,570,488 (Indirect Direct) | View |
| 2026-08-21 Sale | 2026-08-25 6:13 pm | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 237,559 | $199.27 | $47,338,835 | 28,907,927 (Indirect Direct) | View |
| 2026-08-20 Sale | 2026-08-21 8:58 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 726,540 | $207.9 | $151,050,463 | 32,407,949 (Indirect Direct) | View |
| 2026-08-18 Sale | 2026-08-20 8:10 pm | Cerebras Systems Inc. | CBRS | Patel Yagnesh Chief Accounting Officer | 4,574 | $222.22 | $1,016,445 | 131,264 (Direct) | View |
| 2026-08-18 Sale | 2026-08-20 8:05 pm | Cerebras Systems Inc. | CBRS | Mallick Dhiraj Chief Operating Officer | 38,889 | $222.22 | $8,642,077 | 640,807 (Direct) | View |
| 2026-08-18 Sale | 2026-08-20 8:04 pm | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 21,257 | $222.22 | $4,723,765 | 8,359,041 (Indirect Direct) | View |
| 2026-08-18 Sale | 2026-08-19 9:12 pm | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 26,644 | $222.22 | $5,920,937 | 14,112,851 (Indirect Direct) | View |
| 2026-08-17 Sale | 2026-08-19 5:41 pm | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 68,268 | $229.77 | $15,685,957 | 253,283 (Indirect) | View |
| 2026-08-14 Sale | 2026-08-18 6:38 pm | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 50,000 | $218.18 | $10,909,101 | 30,175,731 (Indirect) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-05 Other | 2026-10-07 5:48 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 59,126 | $0 | 394,106 (Indirect) | View |
| 2026-10-05 Other | 2026-10-06 4:51 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 159 | $0 | 18,097 (Indirect) | View |
| 2026-09-30 Other | 2026-10-02 4:21 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 1,329,973 | $0 | 2,122,987 (Indirect) | View |
| 2026-09-29 Conversion | 2026-09-30 6:34 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Mallick Dhiraj Chief Operating Officer | 276,000 | $0 | 1,408,984 (Direct) | View |
| 2026-09-29 Exercise | 2026-09-30 6:34 pm | N/A 2028-07-16 | Cerebras Systems Inc. | CBRS | Mallick Dhiraj Chief Operating Officer | 552,000 | $0 | 1,408,984 (Direct) | View |
| 2026-09-25 Conversion | 2026-09-28 4:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 120,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-25 Exercise | 2026-09-28 4:05 pm | N/A 2034-02-06 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 240,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-25 Gift | 2026-09-28 4:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 36,000 | $0 | 15,980,719 (Direct) | View |
| 2026-09-23 Other | 2026-09-25 4:34 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 500,610 | $0 | 1,162,140 (Indirect) | View |
| 2026-09-21 Other | 2026-09-23 5:16 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 120 | $0 | 17,899 (Indirect) | View |
| 2026-09-21 Other | 2026-09-23 5:10 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 44,507 | $0 | 320,361 (Indirect) | View |
| 2026-09-15 Other | 2026-09-17 4:16 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 499,312 | $0 | 1,093,211 (Indirect) | View |
| 2026-09-08 Other | 2026-09-10 5:18 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 44,507 | $0 | 275,854 (Indirect) | View |
| 2026-09-04 Conversion | 2026-09-08 8:19 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 46,141 | $0 | 16,027,315 (Direct) | View |
| 2026-09-04 Exercise | 2026-09-08 8:19 pm | N/A 2034-02-06 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 92,282 | $0 | 16,027,315 (Direct) | View |
| 2026-09-04 Gift | 2026-09-08 8:19 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 16,038 | $0 | 16,027,315 (Direct) | View |
| 2026-09-04 Conversion | 2026-09-08 8:17 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 37,441 | $0 | 28,570,488 (Direct) | View |
| 2026-09-08 Other | 2026-09-08 8:17 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 120 | $0 | 28,570,488 (Indirect) | View |
| 2026-09-04 Exercise | 2026-09-08 8:17 pm | N/A 2030-12-07 | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 74,882 | $0 | 28,570,488 (Direct) | View |
| 2026-09-02 Other | 2026-09-04 4:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 996,161 | $0 | 1,541,863 (Indirect) | View |
| 2026-08-24 Other | 2026-08-26 4:02 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 44,507 | $0 | 231,347 (Indirect) | View |
| 2026-08-24 Conversion | 2026-08-26 4:01 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. Benchmark Capital Management Co. IX L.L.C. Benchmark Capital Partners IX L.P. Benchmark Founders' Fund IX L.P. Benchmark Founders' Fund IX-A L.P. Benchmark Founders' Fund IX-B L.P. 10% Owner | 963,818 | $0 | 10,515,183 (Indirect) | View |
| 2026-08-24 Other | 2026-08-26 4:01 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. Benchmark Capital Management Co. IX L.L.C. Benchmark Capital Partners IX L.P. Benchmark Founders' Fund IX L.P. Benchmark Founders' Fund IX-A L.P. Benchmark Founders' Fund IX-B L.P. 10% Owner | 963,818 | $0 | 10,515,183 (Indirect) | View |
| 2026-08-21 Conversion | 2026-08-25 7:34 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 1,224,187 | $0 | 12,330,267 (Indirect) | View |
| 2026-08-21 Other | 2026-08-25 7:34 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 1,631,990 | $0 | 12,330,267 (Indirect) | View |
| 2026-08-21 Conversion | 2026-08-25 7:33 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 1,224,187 | $0 | 12,088,933 (Indirect) | View |
| 2026-08-21 Other | 2026-08-25 7:33 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 1,530,274 | $0 | 12,088,933 (Indirect) | View |
| 2026-08-21 Conversion | 2026-08-25 6:13 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 237,559 | $0 | 28,907,927 (Direct) | View |
| 2026-08-24 Other | 2026-08-25 6:13 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 120 | $0 | 28,907,927 (Indirect) | View |
| 2026-08-21 Exercise | 2026-08-25 6:13 pm | N/A 2033-02-13 | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 475,118 | $0 | 28,907,927 (Direct) | View |
| 2026-08-21 Gift | 2026-08-25 6:13 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 50,000 | $0 | 28,907,927 (Direct) | View |
| 2026-08-20 Conversion | 2026-08-21 8:58 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 713,091 | $0 | 32,407,949 (Direct) | View |
| 2026-08-20 Exercise | 2026-08-21 8:58 pm | N/A 2029-05-13 | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 1,426,182 | $0 | 32,407,949 (Direct) | View |
| 2026-08-20 Gift | 2026-08-21 8:58 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 213,074 | $0 | 32,407,949 (Direct) | View |
| 2026-08-19 Other | 2026-08-21 4:15 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 995,437 | $0 | 1,447,214 (Indirect) | View |
| 2026-08-18 Conversion | 2026-08-20 8:53 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 1,912,792 | $0 | 14,611,841 (Indirect) | View |
| 2026-08-18 Other | 2026-08-20 8:53 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 2,580,127 | $0 | 14,611,841 (Indirect) | View |
| 2026-08-18 Conversion | 2026-08-20 8:51 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 1,912,792 | $0 | 14,347,435 (Indirect) | View |
| 2026-08-18 Other | 2026-08-20 8:51 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 2,420,791 | $0 | 14,347,435 (Indirect) | View |
| 2026-08-18 Conversion | 2026-08-20 8:14 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Komin Robert Patrick Jr. Chief Financial Officer | 32,500 | $0 | 1,029,153 (Direct) | View |
| 2026-08-18 Conversion | 2026-08-20 8:10 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Patel Yagnesh Chief Accounting Officer | 6,250 | $0 | 131,264 (Direct) | View |
| 2026-08-18 Conversion | 2026-08-20 8:05 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Mallick Dhiraj Chief Operating Officer | 158,889 | $0 | 640,807 (Direct) | View |
| 2026-08-18 Conversion | 2026-08-20 8:04 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Lie Sean Chief Technology Officer | 616,706 | $0 | 8,359,041 (Direct) | View |
| 2026-08-18 Conversion | 2026-08-19 9:12 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 93,497 | $0 | 14,112,851 (Direct) | View |
| 2026-08-17 Other | 2026-08-19 9:12 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 298 | $0 | 14,112,851 (Indirect) | View |
| 2026-08-17 Conversion | 2026-08-19 5:43 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. Benchmark Capital Management Co. IX L.L.C. Benchmark Capital Partners IX L.P. Benchmark Founders' Fund IX L.P. Benchmark Founders' Fund IX-A L.P. Benchmark Founders' Fund IX-B L.P. 10% Owner | 2,402,352 | $0 | 12,917,535 (Indirect) | View |
| 2026-08-17 Other | 2026-08-19 5:43 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. Benchmark Capital Management Co. IX L.L.C. Benchmark Capital Partners IX L.P. Benchmark Founders' Fund IX L.P. Benchmark Founders' Fund IX-A L.P. Benchmark Founders' Fund IX-B L.P. 10% Owner | 2,402,352 | $0 | 12,917,535 (Indirect) | View |
| 2026-08-17 Other | 2026-08-19 5:41 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 110,950 | $0 | 253,283 (Indirect) | View |
| 2026-06-24 Conversion | 2026-08-18 6:38 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 1,912,792 | $0 | 30,175,731 (Indirect) | View |
| 2026-08-14 Other | 2026-08-18 6:38 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vassallo Steven Director | 2,514,588 | $0 | 30,175,731 (Indirect) | View |
| 2026-06-24 Conversion | 2026-08-18 6:37 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 1,912,792 | $0 | 29,976,957 (Indirect) | View |
| 2026-08-14 Other | 2026-08-18 6:37 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Foundation Capital Management Co. VIII L.L.C. Foundation Capital VIII L.P. Foundation Capital VIII Principals Fund L.L.C. Foundation Capital Management Co. LF II L.L.C. Foundation Capital Leadership Fund II L.P. 10% Owner | 2,364,045 | $0 | 29,976,957 (Indirect) | View |
| 2026-08-14 Other | 2026-08-18 4:17 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Susan Lior Director | 2,473,482 | $0 | 2,832,057 (Indirect) | View |
| 2026-06-29 Other | 2026-07-01 5:30 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Vishria Eric Director | 99,651 | $0 | 199,302 (Indirect) | View |
| 2026-06-29 Conversion | 2026-07-01 5:30 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. 10% Owner | 2,157,802 | $0 | 14,385,347 (Indirect) | View |
| 2026-06-29 Other | 2026-07-01 5:30 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Benchmark Capital Management Co. VIII L.L.C. Benchmark Capital Partners VIII L.P. Benchmark Founders' Fund VIII L.P. Benchmark Founders' Fund VIII-B L.P. 10% Owner | 2,157,802 | $0 | 14,385,347 (Indirect) | View |
| 2026-06-29 Other | 2026-07-01 4:22 pm | N/A N/A | Cerebras Systems Inc. | CBRS | Feldman Andrew D. CEO, President | 268 | $0 | 536 (Indirect) | View |