SCHEDULE 13G Filed 2026-06-05 Event — SEC 0000315066-26-001423 →

FMR LLC → Cerebras Systems Inc. CBRS

Stake: — Shares: — CUSIP: 15675D103 Class: Class A Common Stock

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 19/100

Passive Schedule 13G filer baseline
Held by 1 tracked 13F institutional manager
6 NPORT-P mutual funds holding CUSIP
Short interest building (+40.7% vs prior settlement)

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

89 transactions

0 buys · 50 sales · 15 awards/exercises

Issuer Cluster

6 13D/G filings on this issuer

5 other filings besides this one

Filer Track Record

43 filings by this filer

42 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 1.87

19,862,654 shares short · +40.7% vs prior

Institutional Consensus · 2026-06-30

Held by elite portfolio managers

1 holder · $662.78M

Tiger Global

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-27	Lie Sean	officer	C	32,023	—	—
2026-10-27	Lie Sean	officer	Gift	18,000	—	—
2026-10-27	Lie Sean	officer	Sale	14,500	$116.82	$1.69M
2026-10-27	Lie Sean	officer	Sale	45,400	$115.46	$5.24M
2026-10-27	Lie Sean	officer	Sale	100	$113.92	$11K
2026-10-27	Lie Sean	officer	Option exercise	28,898	$5.48	$158K
2026-10-27	Lie Sean	officer	Option exercise	3,125	$5.02	$16K
2026-10-27	Lie Sean	officer	Option exercise	32,023	—	—
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	1,830	$211.79	$388K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	2,771	$211.03	$585K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	2,802	$210.02	$588K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	2,197	$208.98	$459K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	700	$207.83	$145K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	800	$206.68	$165K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	600	$205.47	$123K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	1,600	$204.26	$327K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	800	$203.48	$163K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	400	$201.96	$81K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	11,200	$201.22	$2.25M
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	1,130	$199.80	$226K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	870	$198.70	$173K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	685	$197.48	$135K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	1,115	$195.61	$218K
2026-09-29	Komin Robert Patrick Jr.	officer	Sale	3,000	$194.92	$585K
2026-09-29	Mallick Dhiraj	officer	C	276,000	—	—

Showing 25 of 89

Other 13D/G Filings on Cerebras Systems Inc.

Filed	Form	Filer	Stake	Shares
2026-08-18	SCHEDULE 13D/A	Eclipse Continuity GP I, LLC	—	546,645	view →
2026-06-26	SCHEDULE 13D/A	Eclipse Continuity GP I, LLC	5.20%	680,305	view →
2026-06-04	SCHEDULE 13G	JPMORGAN CHASE & CO	—	—	view →
2026-05-22	SCHEDULE 13D	Eclipse Continuity GP I, LLC	6.10%	800,358	view →
2026-05-22	SCHEDULE 13G	TIGER GLOBAL MANAGEMENT LLC	—	—	view →

Other Filings by FMR LLC

Filed	Form	Issuer	Stake	Shares
2026-10-07	SCHEDULE 13G	ILLUMINA INC	—	—	view →
2026-10-07	SCHEDULE 13G	SKYWORKS SOLUTIONS INC	—	—	view →
2026-09-08	SCHEDULE 13G	ADI GLOBAL DISTRIBUTION INC	—	—	view →
2026-09-08	SCHEDULE 13G	ONTERRIS INC	—	—	view →
2026-09-08	SCHEDULE 13G	AVANTIS RESPONSIBLE INTERNATIONAL EQUITY ETF	—	—	view →
2026-08-19	SCHEDULE 13D/A	Fidelity Multi-Strategy Credit Fund	52.20%	3,082,424.46	view →
2026-08-06	SCHEDULE 13G	ADEIA INC	—	—	view →
2026-08-06	SCHEDULE 13G	AMERICAN PUBLIC EDUCATION INC	—	—	view →
2026-08-06	SCHEDULE 13G	ACI WORLDWIDE INC	—	—	view →
2026-08-06	SCHEDULE 13G	ALUMIS INC	—	—	view →
2026-08-06	SCHEDULE 13G	ABERCROMBIE & FITCH CO	—	—	view →
2026-08-06	SCHEDULE 13G	ALIGN TECHNOLOGY INC	—	—	view →
2026-08-06	SCHEDULE 13G	BROWN & BROWN INC	—	—	view →
2026-08-06	SCHEDULE 13G	AXOS FINL INC	—	—	view →
2026-08-06	SCHEDULE 13G	ANTERIS TECHNOLOGIES GLOBAL CORP	—	—	view →
2026-08-06	SCHEDULE 13G	AMPLITUDE INC	—	—	view →
2026-08-06	SCHEDULE 13G	ALCOA CORP	—	—	view →
2026-08-04	SCHEDULE 13D/A	Fidelity Multi-Strategy Credit Fund	—	3,070,730.63	view →
2026-07-29	SCHEDULE 13D	Fidelity Core Real Estate Fund	8.60%	3,171,441.59	view →
2026-07-08	SCHEDULE 13G	SOUTH BOW CORP SOBO	—	—	view →

Showing 20 of 42

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