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Cerebras Systems Inc.

CBRS Mostly scheduled
CIK 0002021728 #582 in the set updated 17 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$264.01M
$15.69M on a plan · $237.81M straight out of an exercise
Sold at will
$10.52M
3 of 153 sales
Net
−$264.01M
−$10.52M against sales at will

By person

12 insiders · 153 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Lie Sean
Chief Technology Officer
$167.01M (38) scheduled
−$167.01M
345,569
$74.86M
−95.9%
Feldman Andrew D.
CEO, President
$61.14M (55) scheduled
−$61.14M
18,345
$3.97M
−99.9%
Vishria Eric
Director
$15.69M (6) scheduled
−$15.69M
418,187
$90.59M
+123.8%
Vassallo Steven
Director
$10.52M (3)
−$10.52M
451,213
$97.74M
+223.2%
Mallick Dhiraj
Chief Operating Officer
$8.64M (26) scheduled
−$8.64M
120,000
$25.99M
−90.7%
Patel Yagnesh
Chief Accounting Officer
$1.02M (25) scheduled
−$1.02M
16,676
$3.61M
−88.9%
Susan Lior
Director
753,273
$163.17M
Komin Robert Patrick Jr.
Chief Financial Officer
32,500
$7.04M
−96.8%
Foundation Capital Management Co. VIII, L.L.C. entity
10% owner
0
$0.00
Benchmark Capital Management Co. VIII, L.L.C. entity
10% owner
0
$0.00
DONIO ELENA A.
Director
0
$0.00
−100.0%
Auvil Paul R. III
Director
0
$0.00
−100.0%

No percentages here. This company's share count has moved by a factor of 2.9 over the window, from 52,003,000 to 150,968,000 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
100
$216.62
$21.66K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
600
$215.81
$129.49K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
1,400
$214.98
$300.97K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
3,897
$213.95
$833.76K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
3,324
$213.04
$708.14K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
7,439
$211.85
$1.58M
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
6,153
$210.91
$1.30M
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
6,721
$209.99
$1.41M
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
1,707
$208.84
$356.49K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
1,500
$207.80
$311.70K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
800
$206.30
$165.04K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
1,200
$204.06
$244.87K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
900
$202.97
$182.67K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
300
$201.75
$60.53K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
300
$200.79
$60.24K
Feldman Andrew D.
4 Sep 2026
CEO, President
Sold after exercise
1,100
$199.18
$219.10K
Lie Sean
4 Sep 2026
Chief Technology Officer
Sold after exercise
53,460
$210.16
$11.24M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
6
$210.21
$1.26K
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
4,594
$208.86
$959.50K
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
1,400
$207.28
$290.19K
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
1,600
$205.32
$328.51K
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
4,800
$204.44
$981.31K
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
12,092
$203.37
$2.46M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
6,699
$202.28
$1.36M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
8,832
$201.12
$1.78M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
33,575
$200.13
$6.72M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
66,237
$199.33
$13.20M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
32,864
$198.18
$6.51M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
21,307
$197.45
$4.21M
Feldman Andrew D.
21 Aug 2026
CEO, President
Sold after exercise
43,553
$196.20
$8.55M
Lie Sean
21 Aug 2026
Chief Technology Officer
Sold after exercise
16,293
$210.01
$3.42M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
24,652
$212.64
$5.24M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
10,715
$211.42
$2.27M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
46,214
$210.56
$9.73M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
114,976
$209.86
$24.13M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
119,311
$208.69
$24.90M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
108,507
$207.68
$22.53M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
93,017
$206.67
$19.22M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
133,383
$205.67
$27.43M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
47,766
$204.87
$9.79M
Lie Sean
20 Aug 2026
Chief Technology Officer
Sold after exercise
11,706
$203.78
$2.39M
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
970
$240.01
$232.81K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
12
$238.78
$2.87K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
14
$237.23
$3.32K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
254
$236.43
$60.05K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
377
$235.50
$88.78K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
739
$234.47
$173.27K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
281
$233.31
$65.56K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
347
$232.62
$80.72K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
304
$231.57
$70.40K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
59
$230.67
$13.61K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
184
$229.46
$42.22K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
119
$228.53
$27.20K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
435
$227.37
$98.91K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
573
$226.46
$129.76K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
420
$225.51
$94.71K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
253
$224.52
$56.80K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
616
$223.54
$137.70K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
2,004
$222.42
$445.73K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
4,273
$221.47
$946.34K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
4,666
$220.43
$1.03M
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
2,374
$219.58
$521.28K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
2,093
$218.54
$457.40K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
1,684
$217.58
$366.40K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
2,264
$216.40
$489.93K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
1,327
$215.67
$286.19K
Feldman Andrew D.
18 Aug 2026
CEO, President
Sold after exercise
2
$214.85
$429.70
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
771
$240.01
$185.05K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
9
$238.78
$2.15K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
11
$237.23
$2.61K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
203
$236.43
$48.00K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
301
$235.50
$70.89K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
590
$234.47
$138.34K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
224
$233.31
$52.26K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
277
$232.62
$64.44K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
243
$231.57
$56.27K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
47
$230.67
$10.84K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
147
$229.46
$33.73K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
95
$228.53
$21.71K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
347
$227.37
$78.90K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
457
$226.46
$103.49K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
335
$225.51
$75.55K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
202
$224.52
$45.35K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
492
$223.54
$109.98K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,599
$222.42
$355.65K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
3,409
$221.47
$754.99K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
3,723
$220.43
$820.66K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,894
$219.58
$415.88K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,670
$218.54
$364.96K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,344
$217.58
$292.43K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,807
$216.40
$391.03K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1,059
$215.67
$228.39K
Lie Sean
18 Aug 2026
Chief Technology Officer
Sold after exercise
1
$214.85
$214.85
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
1,417
$240.01
$340.09K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
17
$238.78
$4.06K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
21
$237.23
$4.98K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
371
$236.43
$87.72K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
550
$235.50
$129.53K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
1,078
$234.47
$252.76K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
410
$233.31
$95.66K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
506
$232.62
$117.71K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
444
$231.57
$102.82K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
86
$230.67
$19.84K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
268
$229.46
$61.50K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
173
$228.53
$39.54K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
635
$227.37
$144.38K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
837
$226.46
$189.55K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
613
$225.51
$138.24K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
369
$224.52
$82.85K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
900
$223.54
$201.19K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
2,925
$222.42
$650.58K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
6,237
$221.47
$1.38M
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
6,810
$220.43
$1.50M
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
3,465
$219.58
$760.84K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
3,055
$218.54
$667.64K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
2,458
$217.58
$534.81K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
3,305
$216.40
$715.20K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
1,937
$215.67
$417.75K
Mallick Dhiraj
18 Aug 2026
Chief Operating Officer
Sold after exercise
2
$214.85
$429.70
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
166
$240.01
$39.84K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
2
$238.78
$477.56
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
2
$237.23
$474.46
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
44
$236.43
$10.40K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
65
$235.50
$15.31K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
127
$234.47
$29.78K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
48
$233.31
$11.20K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
60
$232.62
$13.96K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
52
$231.57
$12.04K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
10
$230.67
$2.31K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
32
$229.46
$7.34K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
20
$228.53
$4.57K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
75
$227.37
$17.05K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
98
$226.46
$22.19K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
72
$225.51
$16.24K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
43
$224.52
$9.65K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
106
$223.54
$23.70K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
344
$222.42
$76.51K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
734
$221.47
$162.56K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
801
$220.43
$176.56K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
408
$219.58
$89.59K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
359
$218.54
$78.46K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
289
$217.58
$62.88K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
389
$216.40
$84.18K
Patel Yagnesh
18 Aug 2026
Chief Accounting Officer
Sold after exercise
228
$215.67
$49.17K

What was left out

Form 4 filings counted 26
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 7
Sales on a Rule 10b5-1 plan 6
Sales straight out of an exercise 144
Sales at will 3
Transactions with no price 0
Shares from compensation/vesting 27,094,710
History held since 15 May 2026