John Anthony DiBella II - 06 Feb 2026 Form 4 Insider Report for Simulations Plus, Inc. (SLP)

Role: Chief Revenue Officer
Signature: /s/ William Frederick, attorney-in-fact for John Anthony DiBella
Issuer symbol: SLP
Transactions as of: 06 Feb 2026
Net transactions value: +$100,013
Form type: 4
Filing time: 09 Feb 2026, 16:08:21 UTC
Previous filing: 17 Oct 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
DiBella John Anthony II	Chief Revenue Officer	800 PARK OFFICES DRIVE, SUITE 401, RESEARCH TRIANGLE PARK	/s/ William Frederick, attorney-in-fact for John Anthony DiBella	09 Feb 2026	0001544167

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SLP	Common Stock	Options Exercise	$100,013	+10,300	+13%	$9.71	90,140	06 Feb 2026	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SLP	Stock Options (Right to Buy)	Options Exercise	$0	-10,300	-100%	$0.000000	0	06 Feb 2026	Common Stock	10,300	$9.71	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Fully vested.