StockCIK 2021728

Cerebras Systems Inc. (CBRS): Insider Trades and Fund Holdings

In the past 12 months, Cerebras Systems Inc. insiders reported 0 open-market purchases worth $0 and 16 sales worth $387.7M; 5 of the sales were reported as made under a 10b5-1 trading plan.

0Insider buys, 12 months

$0Bought by insiders, 12 months

$387.7MSold by insiders, 12 months

3Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 30, 2026.

Recent CBRS insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 30	Sep 29	Dhiraj MallickCOO	COO	▼ SELL10b5-1	396,000	204.04	$80.8M	−67%	Form 4 ↗
Sep 30	Sep 29	Robert Patrick Komin JrCFO	CFO	▼ SELL10b5-1	32,500	203.53	$6.61M	−64%	Form 4 ↗
Sep 30	Sep 28	Yagnesh PatelCAO	CAO	▼ SELL10b5-1	1,320	204.50	$270K	−7.9%	Form 4 ↗
Sep 28	Sep 25	Sean LieCTO	CTO	▼ SELL10b5-1	120,000	208.97	$25.1M	−28%	Form 4 ↗
Sep 8	Sep 4	Sean LieCTO	CTO	▼ SELL	53,460	210.16	$11.2M	−13%	Form 4 ↗
Sep 8	Sep 4	Steven VassalloDirector	Director (ind.)	▼ SELL	50,000	210.30	$10.5M	−23%	Form 4 ↗
Sep 8	Sep 4	Andrew D. FeldmanCEO	CEO	▼ SELL	37,441	210.46	$7.88M	−49%	Form 4 ↗
Aug 25	Aug 21	Andrew D. FeldmanCEO	CEO	▼ SELL	237,559	199.27	$47.3M	−89%	Form 4 ↗
Aug 21	Aug 20	Sean LieCTO	CTO	▼ SELL	710,247	207.86	$147.6M	−64%	Form 4 ↗
Aug 21	Aug 21	Sean LieCTO	CTO	▼ SELL	16,293	210.01	$3.42M	−4.2%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

All 16 CBRS insider trades →

Insiders who traded in the past year

Insider	Role	Bought	Sells	Sold	Latest
Dhiraj Mallick	COO	$0	2	$89.4M	Sep 30, 2026
Robert Patrick Komin Jr	CFO	$0	1	$6.61M	Sep 30, 2026
Yagnesh Patel	CAO	$0	2	$1.29M	Sep 30, 2026
Sean Lie	CTO	$0	5	$192.1M	Sep 28, 2026
Steven Vassallo	Director	$0	2	$21.4M	Sep 8, 2026
Andrew D. Feldman	CEO	$0	3	$61.1M	Sep 8, 2026
Eric Vishria	Director	$0	1	$15.7M	Aug 19, 2026

Tracked funds that report CBRS

From each fund's latest 13F. Holdings are as of quarter end and are filed up to 45 days later.

Fund	Quarter	Shares	Value	% of portfolio	Change
Coatue Management	Q2 2026	7,011,028	$1.55B	3.19%	▲ New
Tiger Global Management	Q2 2026	2,999,000	$662.8M	2.76%	▲ New
Soros Fund Management	Q2 2026	150,000	$33.1M	0.43%	▲ New

Source: SEC Form 13F-HR filings, retrieved Oct 28, 2026. How we read filings

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →