WEINGARTEN TOMER (President, CEO) sold 23.5% of their position (527.37K shares) of SENTINELONE, INC. on the open market

Open‑market sale worth $13.32M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

WEINGARTEN TOMER

Filed: 10/6/2026ACC: 0001866222-26-000043

InsiderWEINGARTEN TOMERCIK 1866222

→

IssuerSENTINELONE, INC.CIK 1583708

Officer· President, CEO

Since Jun 2021

-527.37K

Net shares

Net seller

$13.32M

Total sold

Open market trades

0B · 1S

Total transactions

1M acquired · 1.53M disposed

Non-Derivative Transactions2

Class A Common Stock

Direct

C · Conversion

+500K

Price / share

$9.74

Trade value

$4.87M

% of position

28.7%

10/5/2026

1.74M→2.24M

Class A Common Stock

Direct

S · Sale

−527.37K

Price / share

$25.26

Trade value

$13.32M

% of position

23.5%

10/5/2026

2.24M→1.72M

Total

Net shares

−27.37K

Net value

-$8.45M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	10/5/2026	C · Conversion	+500K	$9.74	$4.87M	28.7%	1.74M	2.24M
Class A Common Stock Direct	10/5/2026	S · Sale	−527.37K	$25.26	$13.32M	23.5%	2.24M	1.72M
Total			−27.37K		-$8.45M

Derivative Transactions3

Employee Stock Option (right to buy)

Direct

M · Option Exercise

Converts to

Class B Common Stock

500K shares

−500K

Strike price

9.74

Held after

2.91M

Exercisable

—

10/5/2026

Class B Common Stock

Direct

M · Option Exercise

Converts to

Class A Common Stock

500K shares

+500K

Strike price

Held after

3.92M

Exercisable

—

10/5/2026

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

500K shares

−500K

Strike price

Held after

3.42M

Exercisable

—

10/5/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (right to buy) Direct	Class B Common Stock500K shares	10/5/2026	M · Option Exercise	−500K	9.74	—	2.91M
Class B Common Stock Direct	Class A Common Stock500K shares	10/5/2026	M · Option Exercise	+500K		—	3.92M
Class B Common Stock Direct	Class A Common Stock500K shares	10/5/2026	C · Conversion	−500K		—	3.42M

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)1

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

423.63K

Shares owned

423.63K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

423.63K

Owned

423.63K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock		—	—	423.63K	423.63K
Total					423.63K	423.63K