CBRS

insider transactions

Cerebras Systems Inc. — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

No open-market buys or sells this period. The trades below are grants, option exercises and gifts, which carry no market price.

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Exercise·C
Jun 11, 26

Lior Susan

Director

—

13.5M sh

Own New
Exercise·C
Jun 11, 26

Lior Susan

Director

—

13.5M sh

Own New
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

105.0K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

300.0K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

100.0K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

200.0K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

367.4K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

802.0K sh
Other·J
May 15, 26

Dhiraj Mallick

Chief Operating Officer

—

802.0K sh
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

12.4M sh

Own +1131%
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

9.0K sh

Own New
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

6.5M sh

Own New
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

309.7K sh

Own New
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

486.2K sh

Own New
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

599.5K sh

Own New
Exercise·C
May 15, 26

Lior Susan

Director, 10% Owner

—

4.4M sh

Own New
Other·J
May 15, 26

Lior Susan

Director, 10% Owner

—

1.1M sh
Other·J
May 15, 26

Lior Susan

Director, 10% Owner

—

1.1M sh
Exercise·C
May 15, 26

Steven Vassallo

Director

—

15.3M sh

Own New
Exercise·C
May 15, 26

Steven Vassallo

Director

—

1.1M sh

Own New
Exercise·C
May 15, 26

Steven Vassallo

Director

—

31.0K sh

Own New
Exercise·C
May 15, 26

Steven Vassallo

Director

—

111.8K sh

Own New
Exercise·C
May 15, 26

Steven Vassallo

Director

—

1.4M sh

Own New
Exercise·C
May 15, 26

Steven Vassallo

Director

—

12.6M sh

Own New
Other·J
May 15, 26

Robert Patrick Komin Jr. KEY

Chief Financial Officer

—

18.2K sh
Other·J
May 15, 26

Robert Patrick Komin Jr. KEY

Chief Financial Officer

—

175.0K sh
Other·J
May 15, 26

Robert Patrick Komin Jr. KEY

Chief Financial Officer

—

854.2K sh
Other·J
May 15, 26

Robert Patrick Komin Jr. KEY

Chief Financial Officer

—

175.0K sh
Other·J
May 15, 26

Robert Patrick Komin Jr. KEY

Chief Financial Officer

—

854.2K sh
Other·J
May 15, 26

DONIO ELENA A.

Director

—

33.7K sh
Other·J
May 15, 26

DONIO ELENA A.

Director

—

33.7K sh
Other·J
May 15, 26

Yagnesh Patel

Chief Accounting Officer

—

130.9K sh
Other·J
May 15, 26

Yagnesh Patel

Chief Accounting Officer

—

130.9K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

400.0K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

150.0K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

100.0K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

175.0K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

350.0K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

180.6K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

8.2M sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

180.6K sh
Other·J
May 15, 26

Sean Lie

Chief Technology Officer

—

8.2M sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

800.0K sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

150.0K sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

600.0K sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

1.1M sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

50.0K sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

14.1M sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

50.0K sh
Other·J
May 15, 26

Andrew D. Feldman KEY

CEO, President

—

14.1M sh
Other·J
May 15, 26

Auvil Paul R. III

Director

—

203.8K sh
Other·J
May 15, 26

Auvil Paul R. III

Director

—

203.8K sh
Exercise·C
May 15, 26

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

—

299.6K sh

Own New
Exercise·C
May 15, 26

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

—

13.9M sh

Own New
Exercise·C
May 15, 26

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

—

1.1M sh

Own New
Exercise·C
May 15, 26

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

—

1.2K sh

Own New
Exercise·C
May 15, 26

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

—

53.4K sh

Own New
Exercise·C
May 15, 26

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

—

653 sh

Own New
Exercise·C
May 15, 26

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

—

30.3K sh

Own New
Exercise·C
May 15, 26

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

—

2.4K sh

Own New
Exercise·C
May 15, 26

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

—

109.4K sh

Own New
Exercise·C
May 15, 26

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

—

30.1K sh

Own New
Exercise·C
May 15, 26

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

—

1.4M sh

Own New
Exercise·C
May 15, 26

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

—

265.4K sh

Own New
Exercise·C
May 15, 26

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

—

12.3M sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

14.4M sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

690.0K sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

5.5K sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

31.0K sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

335.3K sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

1.4M sh

Own New
Exercise·C
May 15, 26

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. / Bench

10% Owner

$0

12.6M sh

Own New
Exercise·C
May 15, 26

Benchmark AI Infrastructure Management Co., L.L.C. / Benchmark AI Infrastructure Fund, L.P. / Benchmark AI Infrastructure Fund B, L.P.

10% Owner

$0

2.5M sh

Own New
Other·F
May 13, 26

Dhiraj Mallick

Chief Operating Officer

$90.9M

491.1K sh · $185.00

Own -38%
Other·F
May 13, 26

Yagnesh Patel

Chief Accounting Officer

$3.5M

19.1K sh · $185.00

Own -13%
Other·F
May 13, 26

Sean Lie

Chief Technology Officer

$17.8M

96.1K sh · $185.00

Own -1%
Other·F
May 13, 26

Andrew D. Feldman KEY

CEO, President

$19.8M

107.1K sh · $185.00

Own -1%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
Jun 11, 2026	Lior Susan	Director	Exercise C	13.5M	New	—	—
Jun 11, 2026	Lior Susan	Director	Exercise C	13.5M	New	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	105.0K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	300.0K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	100.0K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	200.0K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	367.4K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	802.0K	—	—	—
May 15, 2026	Dhiraj Mallick	Chief Operating Officer	Other J	802.0K	—	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	12.4M	+1131%	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	9.0K	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	6.5M	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	309.7K	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	486.2K	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	599.5K	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Exercise C	4.4M	New	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Other J	1.1M	—	—	—
May 15, 2026	Lior Susan	Director, 10% Owner	Other J	1.1M	—	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	15.3M	New	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	1.1M	New	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	31.0K	New	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	111.8K	New	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	1.4M	New	—	—
May 15, 2026	Steven Vassallo	Director	Exercise C	12.6M	New	—	—
May 15, 2026	Robert Patrick Komin Jr. KEY	Chief Financial Officer	Other J	18.2K	—	—	—
May 15, 2026	Robert Patrick Komin Jr. KEY	Chief Financial Officer	Other J	175.0K	—	—	—
May 15, 2026	Robert Patrick Komin Jr. KEY	Chief Financial Officer	Other J	854.2K	—	—	—
May 15, 2026	Robert Patrick Komin Jr. KEY	Chief Financial Officer	Other J	175.0K	—	—	—
May 15, 2026	Robert Patrick Komin Jr. KEY	Chief Financial Officer	Other J	854.2K	—	—	—
May 15, 2026	DONIO ELENA A.	Director	Other J	33.7K	—	—	—
May 15, 2026	DONIO ELENA A.	Director	Other J	33.7K	—	—	—
May 15, 2026	Yagnesh Patel	Chief Accounting Officer	Other J	130.9K	—	—	—
May 15, 2026	Yagnesh Patel	Chief Accounting Officer	Other J	130.9K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	400.0K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	150.0K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	100.0K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	175.0K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	350.0K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	180.6K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	8.2M	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	180.6K	—	—	—
May 15, 2026	Sean Lie	Chief Technology Officer	Other J	8.2M	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	800.0K	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	150.0K	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	600.0K	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	1.1M	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	50.0K	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	14.1M	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	50.0K	—	—	—
May 15, 2026	Andrew D. Feldman KEY	CEO, President	Other J	14.1M	—	—	—
May 15, 2026	Auvil Paul R. III	Director	Other J	203.8K	—	—	—
May 15, 2026	Auvil Paul R. III	Director	Other J	203.8K	—	—	—
May 15, 2026	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	Exercise C	299.6K	New	—	—
May 15, 2026	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	Exercise C	13.9M	New	—	—
May 15, 2026	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	Exercise C	1.1M	New	—	—
May 15, 2026	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	Exercise C	1.2K	New	—	—
May 15, 2026	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	Exercise C	53.4K	New	—	—
May 15, 2026	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	Exercise C	653	New	—	—
May 15, 2026	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	Exercise C	30.3K	New	—	—
May 15, 2026	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	Exercise C	2.4K	New	—	—
May 15, 2026	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	Exercise C	109.4K	New	—	—
May 15, 2026	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	Exercise C	30.1K	New	—	—
May 15, 2026	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	Exercise C	1.4M	New	—	—
May 15, 2026	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	Exercise C	265.4K	New	—	—
May 15, 2026	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	Exercise C	12.3M	New	—	—
May 15, 2026	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. / Bench	10% Owner	Exercise C	14.4M	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	690.0K	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	5.5K	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	31.0K	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	335.3K	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	1.4M	New	—	$0
May 15, 2026	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. / Bench	10% Owner	Exercise C	12.6M	New	—	$0
May 15, 2026	Benchmark AI Infrastructure Management Co., L.L.C. / Benchmark AI Infrastructure Fund, L.P. / Benchmark AI Infrastructure Fund B, L.P.	10% Owner	Exercise C	2.5M	New	—	$0
May 13, 2026	Dhiraj Mallick	Chief Operating Officer	Other F	491.1K	-38%	$185.00	$90.9M
May 13, 2026	Yagnesh Patel	Chief Accounting Officer	Other F	19.1K	-13%	$185.00	$3.5M
May 13, 2026	Sean Lie	Chief Technology Officer	Other F	96.1K	-1%	$185.00	$17.8M
May 13, 2026	Andrew D. Feldman KEY	CEO, President	Other F	107.1K	-1%	$185.00	$19.8M

About CBRS insider trading

This page tracks insider transactions for Cerebras Systems Inc. (CBRS) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.