PATEL YAGNESH (Chief Accounting Officer) sold 60.3% of their position (6.08K shares) of CEREBRAS SYSTEMS INC. on the open market

Open‑market sale worth $1.04M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 29 sales

PATEL YAGNESH

Filed: 6/29/2026ACC: 0001628280-26-046035

InsiderPATEL YAGNESHCIK 1702410

→

IssuerCEREBRAS SYSTEMS INC.CIK 2021728

Officer· Chief Accounting Officer

Since May 2026

-6.08K

Net shares

Net seller

$1.04M

Total sold

Open market trades

0B · 29S

Total transactions

10.08K acquired · 16.16K disposed

Non-Derivative Transactions30

Class A Common Stock

Direct

C · Conversion

+10.08K

Price / share

—

Trade value

—

% of position

New position

6/25/2026

0.00→10.08K

Class A Common Stock

Direct

S · Sale

−107.00

Price / share

$162.71

Trade value

$17.41K

% of position

1.1%

6/25/2026

10.08K→9.97K

Class A Common Stock

Direct

S · Sale

−215.00

Price / share

$164.19

Trade value

$35.30K

% of position

2.2%

6/25/2026

9.97K→9.76K

Class A Common Stock

Direct

S · Sale

−161.00

Price / share

$166.01

Trade value

$26.73K

% of position

1.7%

6/25/2026

9.76K→9.60K

Class A Common Stock

Direct

S · Sale

−228.00

Price / share

$166.98

Trade value

$38.07K

% of position

2.4%

6/25/2026

9.60K→9.37K

Class A Common Stock

Direct

S · Sale

−269.00

Price / share

$169.11

Trade value

$45.49K

% of position

2.9%

6/25/2026

9.37K→9.10K

Class A Common Stock

Direct

S · Sale

−107.00

Price / share

$171.66

Trade value

$18.37K

% of position

1.2%

6/25/2026

9.10K→8.99K

Class A Common Stock

Direct

S · Sale

−54.00

Price / share

$175.74

Trade value

$9.49K

% of position

0.6%

6/25/2026

8.99K→8.94K

Class A Common Stock

Direct

S · Sale

−54.00

Price / share

$179.80

Trade value

$9.71K

% of position

0.6%

6/25/2026

8.94K→8.88K

Class A Common Stock

Direct

S · Sale

−54.00

Price / share

$180.93

Trade value

$9.77K

% of position

0.6%

6/25/2026

8.88K→8.83K

Class A Common Stock

Direct

S · Sale

−54.00

Price / share

$182.38

Trade value

$9.85K

% of position

0.6%

6/25/2026

8.83K→8.78K

Class A Common Stock

Direct

S · Sale

−107.00

Price / share

$183.60

Trade value

$19.65K

% of position

1.2%

6/25/2026

8.78K→8.67K

Class A Common Stock

Direct

S · Sale

−215.00

Price / share

$184.96

Trade value

$39.77K

% of position

2.5%

6/25/2026

8.67K→8.45K

Class A Common Stock

Direct

S · Sale

−54.00

Price / share

$189.36

Trade value

$10.23K

% of position

0.6%

6/25/2026

8.45K→8.40K

Class A Common Stock

Direct

S · Sale

−193.00

Price / share

$162.45

Trade value

$31.35K

% of position

2.3%

6/25/2026

8.40K→8.21K

Class A Common Stock

Direct

S · Sale

−185.00

Price / share

$164.19

Trade value

$30.38K

% of position

2.3%

6/25/2026

8.21K→8.02K

Class A Common Stock

Direct

S · Sale

−269.00

Price / share

$165.85

Trade value

$44.61K

% of position

3.4%

6/25/2026

8.02K→7.75K

Class A Common Stock

Direct

S · Sale

−796.00

Price / share

$166.93

Trade value

$132.88K

% of position

10.3%

6/25/2026

7.75K→6.96K

Class A Common Stock

Direct

S · Sale

−663.00

Price / share

$168.59

Trade value

$111.78K

% of position

9.5%

6/25/2026

6.96K→6.29K

Class A Common Stock

Direct

S · Sale

−239.00

Price / share

$169.21

Trade value

$40.44K

% of position

3.8%

6/25/2026

6.29K→6.05K

Class A Common Stock

Direct

S · Sale

−993.00

Price / share

$171.57

Trade value

$170.37K

% of position

16.4%

6/25/2026

6.05K→5.06K

Class A Common Stock

Direct

S · Sale

−200.00

Price / share

$172.33

Trade value

$34.47K

% of position

4.0%

6/25/2026

5.06K→4.86K

Class A Common Stock

Direct

S · Sale

−100.00

Price / share

$173.91

Trade value

$17.39K

% of position

2.1%

6/25/2026

4.86K→4.76K

Class A Common Stock

Direct

S · Sale

−46.00

Price / share

$175.74

Trade value

$8.08K

% of position

1.0%

6/25/2026

4.76K→4.72K

Class A Common Stock

Direct

S · Sale

−100.00

Price / share

$178.50

Trade value

$17.85K

% of position

2.1%

6/25/2026

4.72K→4.62K

Class A Common Stock

Direct

S · Sale

−46.00

Price / share

$179.80

Trade value

$8.27K

% of position

1.0%

6/25/2026

4.62K→4.57K

Class A Common Stock

Direct

S · Sale

−46.00

Price / share

$180.93

Trade value

$8.32K

% of position

1.0%

6/25/2026

4.57K→4.52K

Class A Common Stock

Direct

S · Sale

−46.00

Price / share

$182.38

Trade value

$8.39K

% of position

1.0%

6/25/2026

4.52K→4.48K

Class A Common Stock

Direct

S · Sale

−93.00

Price / share

$183.60

Trade value

$17.07K

% of position

2.1%

6/25/2026

4.48K→4.38K

Class A Common Stock

Direct

S · Sale

−385.00

Price / share

$185.01

Trade value

$71.23K

% of position

8.8%

6/25/2026

4.38K→4K

Total

Net shares

+4K

Net value

-$1.04M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	6/25/2026	C · Conversion	+10.08K	—	—	New position	0.00	10.08K
Class A Common Stock Direct	6/25/2026	S · Sale	−107.00	$162.71	$17.41K	1.1%	10.08K	9.97K
Class A Common Stock Direct	6/25/2026	S · Sale	−215.00	$164.19	$35.30K	2.2%	9.97K	9.76K
Class A Common Stock Direct	6/25/2026	S · Sale	−161.00	$166.01	$26.73K	1.7%	9.76K	9.60K
Class A Common Stock Direct	6/25/2026	S · Sale	−228.00	$166.98	$38.07K	2.4%	9.60K	9.37K
Class A Common Stock Direct	6/25/2026	S · Sale	−269.00	$169.11	$45.49K	2.9%	9.37K	9.10K
Class A Common Stock Direct	6/25/2026	S · Sale	−107.00	$171.66	$18.37K	1.2%	9.10K	8.99K
Class A Common Stock Direct	6/25/2026	S · Sale	−54.00	$175.74	$9.49K	0.6%	8.99K	8.94K
Class A Common Stock Direct	6/25/2026	S · Sale	−54.00	$179.80	$9.71K	0.6%	8.94K	8.88K
Class A Common Stock Direct	6/25/2026	S · Sale	−54.00	$180.93	$9.77K	0.6%	8.88K	8.83K
Class A Common Stock Direct	6/25/2026	S · Sale	−54.00	$182.38	$9.85K	0.6%	8.83K	8.78K
Class A Common Stock Direct	6/25/2026	S · Sale	−107.00	$183.60	$19.65K	1.2%	8.78K	8.67K
Class A Common Stock Direct	6/25/2026	S · Sale	−215.00	$184.96	$39.77K	2.5%	8.67K	8.45K
Class A Common Stock Direct	6/25/2026	S · Sale	−54.00	$189.36	$10.23K	0.6%	8.45K	8.40K
Class A Common Stock Direct	6/25/2026	S · Sale	−193.00	$162.45	$31.35K	2.3%	8.40K	8.21K
Class A Common Stock Direct	6/25/2026	S · Sale	−185.00	$164.19	$30.38K	2.3%	8.21K	8.02K
Class A Common Stock Direct	6/25/2026	S · Sale	−269.00	$165.85	$44.61K	3.4%	8.02K	7.75K
Class A Common Stock Direct	6/25/2026	S · Sale	−796.00	$166.93	$132.88K	10.3%	7.75K	6.96K
Class A Common Stock Direct	6/25/2026	S · Sale	−663.00	$168.59	$111.78K	9.5%	6.96K	6.29K
Class A Common Stock Direct	6/25/2026	S · Sale	−239.00	$169.21	$40.44K	3.8%	6.29K	6.05K
Class A Common Stock Direct	6/25/2026	S · Sale	−993.00	$171.57	$170.37K	16.4%	6.05K	5.06K
Class A Common Stock Direct	6/25/2026	S · Sale	−200.00	$172.33	$34.47K	4.0%	5.06K	4.86K
Class A Common Stock Direct	6/25/2026	S · Sale	−100.00	$173.91	$17.39K	2.1%	4.86K	4.76K
Class A Common Stock Direct	6/25/2026	S · Sale	−46.00	$175.74	$8.08K	1.0%	4.76K	4.72K
Class A Common Stock Direct	6/25/2026	S · Sale	−100.00	$178.50	$17.85K	2.1%	4.72K	4.62K
Class A Common Stock Direct	6/25/2026	S · Sale	−46.00	$179.80	$8.27K	1.0%	4.62K	4.57K
Class A Common Stock Direct	6/25/2026	S · Sale	−46.00	$180.93	$8.32K	1.0%	4.57K	4.52K
Class A Common Stock Direct	6/25/2026	S · Sale	−46.00	$182.38	$8.39K	1.0%	4.52K	4.48K
Class A Common Stock Direct	6/25/2026	S · Sale	−93.00	$183.60	$17.07K	2.1%	4.48K	4.38K
Class A Common Stock Direct	6/25/2026	S · Sale	−385.00	$185.01	$71.23K	8.8%	4.38K	4K
Total			+4K		-$1.04M

Derivative Transactions1

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

10.08K shares

−10.08K

Strike price

Held after

120.84K

Exercisable

—

6/25/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock10.08K shares	6/25/2026	C · Conversion	−10.08K		—	120.84K