Are CBRS insiders buying or selling?

Over the last 90 days, CBRS insiders were net sellers, reporting $0.00 of open-market purchases and $387,677,219 of sales.

When was the last CBRS insider purchase?

No open-market insider purchase of Cerebras Systems Inc. stock was reported in the last 90 days.

Where does CBRS insider trading data come from?

Watch Insiders reads the SEC Form 4 filings that Cerebras Systems Inc. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.

CBRSSector not reported

Cerebras Systems Inc. (CBRS) Insider Trading

In the last 90 days, 7 Cerebras Systems Inc. (CBRS) insiders reported no open-market purchases and 15 sales totaling $387,677,219. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers: 0
90-day purchase value: $0.00
Corporate buyers: 0
Latest transaction: Sep 29, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
Date	Insider name	Role	Type	Shares	Price	Total value
Sep 29, 2026	Robert Patrick Komin Jr.	Chief Financial Officer	Sale	32,500	$203.53	$6,614,881
Sep 29, 2026	Dhiraj Mallick	Chief Operating Officer	Sale	396,000	$204.04	$80,798,612
Sep 28, 2026	Yagnesh Patel	Chief Accounting Officer	Sale	1,320	$204.50	$269,940
Sep 25, 2026	Sean Lie	Chief Technology Officer	Sale	120,000	$208.97	$25,076,268
Sep 4, 2026	Steven Vassallo	Corporate insider	Sale	50,000	$210.30	$10,515,135
Sep 4, 2026	Sean Lie	Chief Technology Officer	Sale	53,460	$210.16	$11,235,154
Sep 4, 2026	Andrew D. Feldman	CEO, President	Sale	37,441	$210.46	$7,879,687
Aug 21, 2026	Andrew D. Feldman	CEO, President	Sale	237,559	$199.27	$47,338,833
Aug 21, 2026	Sean Lie	Chief Technology Officer	Sale	726,540	$207.90	$151,050,427
Aug 18, 2026	Yagnesh Patel	Chief Accounting Officer	Sale	4,574	$222.22	$1,016,445
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Common questions

CBRS insider trading FAQ

Are CBRS insiders buying or selling?: Over the last 90 days, CBRS insiders were net sellers, reporting $0.00 of open-market purchases and $387,677,219 of sales.
When was the last CBRS insider purchase?: No open-market insider purchase of Cerebras Systems Inc. stock was reported in the last 90 days.
Where does CBRS insider trading data come from?: Watch Insiders reads the SEC Form 4 filings that Cerebras Systems Inc. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.