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  4. [Form 4] Simulations Plus, Inc. Insider Trading Activity

Simulations Plus insider grant: 1,771 shares added to 3,288,002

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Simulations Plus (SLP): insider stock grant reported. A joint Form 4 shows a director and 10% owner acquired 1,771 shares of common stock on 11/03/2025 at $0, recorded as an “A” code transaction. The filing cites stock granted as independent director compensation under the 2021 Equity Incentive Plan.

Following the grant, the reporting person’s beneficial ownership is 3,288,002 shares, held directly. The form was filed by more than one reporting person.

Positive

  • None.

Negative

  • None.
Insider WOLTOSZ WALTER S, WOLTOSZ VIRGINIA E
Role Director, 10% Owner | 10% Owner
Type Security Shares Price Value
Grant/Award Common Stock 1,771 $0.00 --
Holdings After Transaction: Common Stock — 3,288,002 shares (Direct)
Footnotes (1)
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Form 4 Insider Transactions: What Each Field Means →

FAQ

What did SLP disclose in this Form 4 filing?
A director and 10% owner acquired 1,771 shares of SLP common stock on 11/03/2025 as a stock grant.

How many SLP shares were granted and at what price?
The filing reports 1,771 shares acquired at $0, coded as an A (grant/acquisition) transaction.

What is the reporting person’s SLP ownership after the transaction?
Beneficial ownership is listed as 3,288,002 shares, held directly.

Why were the SLP shares granted to the insider?
Footnote states the shares were stock granted as independent director compensation under the 2021 Equity Incentive Plan.

Is this a single or joint Form 4 for SLP?
It is a joint filing, indicated by “Form filed by more than one reporting person.”

What roles do the reporters have at SLP?
The filing marks the reporters as Director and 10% Owner.
SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
WOLTOSZ WALTER S
(Last) (First) (Middle)
800 PARK OFFICES DRIVE
SUITE 401
(Street)
RESEARCH TRIANGLE PARK NC 27709
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Simulations Plus, Inc. [ SLP ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
11/03/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 11/03/2025 A 1,771 A $0(1) 3,288,002 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
WOLTOSZ WALTER S
(Last) (First) (Middle)
800 PARK OFFICES DRIVE
SUITE 401
(Street)
RESEARCH TRIANGLE PARK NC 27709
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
WOLTOSZ VIRGINIA E
(Last) (First) (Middle)
800 PARK OFFICES DRIVE
SUITE 401
(Street)
RESEARCH TRIANGLE PARK NC 27709
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. Stock granted as independent director compensation, issued under the issuer's 2021 Equity Incentive Plan.
Remarks:
/s/ William Frederick, attorney-in-fact for Walter S. Woltosz and Virginia E. Woltosz 11/04/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR