TapewireFind a company

person · Reporting owner

DiBella John Anthony II

Disclosed activity across 1 company

Tapewire entity
26829
SEC CIK
0001544167

Export transaction history ↓

Reported relationships

Latest disclosed role at each company.

No relationships currently tracked through insider filings.

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

No balances currently tracked through insider filings.

Past disclosures · reporting ended (1)

No longer tracked through insider filings. These historical balances do not imply present ownership or a zero position.

Simulations Plus, Inc.

Report date October 06, 2026 · Filed October 06, 2026

Section 16 reporting ended · disclosed 2026-10-06. Current position is not established by this disclosure.

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect0 Reported balance After 2026-10-06 transaction · row 1 Account or security details depend on footnotes; rows are not merged.
1 source row

Row 1 · 2026-10-06 · Disposition to issuer · Disposed 85,140 · Balance 0

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $16.02 · Expires 2035-10-15Direct0 Reported balance After 2026-10-06 transaction · row 2 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 2 · 2026-10-06 · Disposition to issuer · Disposed 27,500 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $10.05 · Expires 2027-02-23Direct0 Reported balance After 2026-10-06 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-10-06 · Disposition to issuer · Disposed 26,206 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $57.67 · Expires 2030-12-06Direct0 Reported balance After 2026-10-06 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-10-06 · Disposition to issuer · Disposed 9,300 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $32.57 · Expires 2029-12-06Direct0 Reported balance After 2026-10-06 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-10-06 · Disposition to issuer · Disposed 113,300 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $39.98 · Expires 2033-10-18Direct0 Reported balance After 2026-10-06 transaction · row 6 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 6 · 2026-10-06 · Disposition to issuer · Disposed 15,000 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $43.91 · Expires 2032-10-19Direct0 Reported balance After 2026-10-06 transaction · row 7 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 7 · 2026-10-06 · Disposition to issuer · Disposed 15,000 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $19.81 · Expires 2028-12-11Direct0 Reported balance After 2026-10-06 transaction · row 8 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 8 · 2026-10-06 · Disposition to issuer · Disposed 2,589 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Stock Options (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $33.29 · Expires 2034-10-16Direct0 Reported balance After 2026-10-06 transaction · row 9 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 9 · 2026-10-06 · Disposition to issuer · Disposed 7,500 · Balance 0

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Filing footnotes · ownership attribution and instrument terms

F1: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F3: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

Transaction history

JSON API
Reset

Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 7,500 Not disclosed Strike: $33.29 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 9

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,500 shares

Expires 2034-10-16

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 2,589 Not disclosed Strike: $19.81 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 8

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,589 shares

Expires 2028-12-11

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $43.91 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 7

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2032-10-19

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 15,000 Not disclosed Strike: $39.98 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 6

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 15,000 shares

Expires 2033-10-18

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 113,300 Not disclosed Strike: $32.57 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 5

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Stock Option (right to buy) · 5,000 shares

Expires 2029-12-06

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 9,300 Not disclosed Strike: $57.67 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 4

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 9,300 shares

Expires 2030-12-06

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F4 · price: Any such Company Option with a per share exercise price that was equal to or greater than the Merger Consideration was canceled by virtue of the Merger without any payment to the reporting person.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 26,206 Not disclosed Strike: $10.05 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 3

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 26,206 shares

Expires 2027-02-23

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerStock Options (Right to Buy) · Derivative 27,500 Not disclosed Strike: $16.02 Not disclosed
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,500 shares

Expires 2035-10-15

F3 · shares: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · price: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

F3 · derivative.exercise_date: Pursuant to the Merger Agreement, effective as of or immediately prior to the Effective Time, each option to purchase shares of Company Common Stock (each, a "Company Option") that was outstanding immediately prior to the Effective Time automatically vested in full and was canceled and converted into the right to receive an amount in cash, without interest, equal to (i) the number of shares of Company Common Stock subject to such Company Option immediately prior to the Effective Time, multiplied by (ii) the excess, if any, of the Merger Consideration over the applicable exercise price per share of Company Common Stock subject to such Company Option.

Read SEC document
October 06, 2026 Filed Oct 6, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 Disposition to issuerCommon Stock 85,140 $18.50 $1,575,090.00
Disclosure

SEC source: 0001023459-26-000091 · wk-form4_1791317253.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: This Form 4 reports securities disposed of pursuant to the terms of the Agreement and Plan of Merger, dated as of June 15, 2026 (the "Merger Agreement"), by and among Simulations Plus, Inc. (the "Issuer"), SP Evolution HoldCo II, LLC ("Parent") and SP Evolution BidCo II, LLC, a wholly owned subsidiary of Parent ("Merger Sub"), pursuant to which Merger Sub merged with and into the Issuer (the "Merger"), with the Issuer surviving the Merger as a wholly owned subsidiary of Parent.

F2 · shares: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

F2 · balance_after: At the effective time of the Merger (the "Effective Time"), each share of common stock of the Issuer ("Company Common Stock") issued and outstanding immediately prior to the Effective Time (other than certain excluded shares specified in the Merger Agreement) was automatically converted into the right to receive $18.50 in cash, without interest (the "Merger Consideration").

Read SEC document
August 03, 2026 Filed Aug 4, 2026 20:07 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 1,000 $18.28 $18,280.00
Disclosure

SEC source: 0001544167-26-000013 · wk-form4_1785874063.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,140

F1 · kind: The sale reported in this Form 4 was effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in a single transaction at $18.28.

Read SEC document
July 06, 2026 Filed Jul 8, 2026 20:05 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 1,000 $18.36 $18,360.00
Disclosure

SEC source: 0001544167-26-000011 · wk-form4_1783541110.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 86,140

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $18.34 to $18.39, inclusive.

Read SEC document
June 03, 2026 Filed Jun 4, 2026 20:06 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 1,000 $16.50 $16,500.00
Disclosure

SEC source: 0001544167-26-000008 · wk-form4_1780603567.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,140

F1 · kind: The sale reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in a single transaction at $16.50.

Read SEC document
May 04, 2026 Filed May 5, 2026 20:10 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 1,000 $14.98 $14,980.00
Disclosure

SEC source: 0001544167-26-000006 · wk-form4_1778011816.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 88,140

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in a single transaction at $14.98.

Read SEC document
April 15, 2026 Filed Apr 16, 2026 20:09 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 1,000 $13.37 $13,370.00
Disclosure

SEC source: 0001544167-26-000004 · wk-form4_1776370155.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 89,140

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: There shares were sold in a single transaction at $13.37.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:08 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 10,300 $0.00 Strike: $9.71 $0.00
Disclosure

SEC source: 0001544167-26-000002 · wk-form4_1770671298.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 10,300 shares

Expires 2026-02-25

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Fully vested.

Read SEC document
February 06, 2026 Filed Feb 9, 2026 21:08 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 10,300 $9.71 $100,013.00
Disclosure

SEC source: 0001544167-26-000002 · wk-form4_1770671298.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 90,140

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 16, 2025 Filed Oct 17, 2025 21:00 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Options (Right to Buy) · Derivative 27,500 $0.00 Strike: $16.02 $0.00
Disclosure

SEC source: 0001544167-25-000005 · wk-form4_1760734819.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,500

Underlying: Common Stock · 27,500 shares

Expires 2035-10-15

F1 · derivative.exercise_date: The stock options shall vest in four equal installments over a four year period, with one fourth of the stock options vesting on each anniversary of the date of grant.

Read SEC document
October 17, 2024 Filed Oct 21, 2024 20:42 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Options (Right to Buy) · Derivative 7,500 $0.00 Strike: $33.29 $0.00
Disclosure

SEC source: 0001023459-24-000119 · wk-form4_1729543331.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,500

Underlying: Common Stock · 7,500 shares

Expires 2034-10-16

F1 · derivative.exercise_date: The stock options shall vest in four equal installments over a four year period, with one fourth of the stock options vesting on each anniversary of the date of grant.

Read SEC document
December 22, 2023 Filed Dec 27, 2023 00:54 UTC Amendment Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 5,411 $0.00 Strike: $19.81 $0.00
Disclosure

SEC source: 0001023459-23-000169 · wk-form4a_1703638438.xml · derivative · entry 3

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,589

Underlying: Common Stock · 5,411 shares

Expires 2028-12-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: Fully Vested

Read SEC document
December 22, 2023 Filed Dec 27, 2023 00:54 UTC Amendment Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 5,411 $45.16 $244,360.76
Disclosure

SEC source: 0001023459-23-000169 · wk-form4a_1703638438.xml · nonDerivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,840

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $45.01 to $45.36, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

Read SEC document
December 22, 2023 Filed Dec 27, 2023 00:54 UTC Amendment Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 5,411 $19.81 $107,191.91
Disclosure

SEC source: 0001023459-23-000169 · wk-form4a_1703638438.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 85,251

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 22, 2023 Filed Dec 26, 2023 21:31 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 5,411 $45.16 $244,360.76
Disclosure

SEC source: 0001023459-23-000167 · wk-form4_1703626285.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 74,429

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting person.

F2 · price: These shares were sold in multiple transactions at prices ranging from $45.01 to $45.36, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

Read SEC document
October 19, 2023 Filed Oct 23, 2023 21:09 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Options (Right to Buy) · Derivative 15,000 $0.00 Strike: $39.98 $0.00
Disclosure

SEC source: 0001023459-23-000116 · wk-form4_1698095337.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Business Unit President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2033-10-18

F1 · derivative.exercise_date: The stock options shall vest in four equal installments over a four year period, with one fourth of the stock options vesting on each anniversary of the date of grant.

Read SEC document
March 23, 2023 Filed Mar 24, 2023 20:14 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 35,000 $0.00 Strike: $6.85 $0.00
Disclosure

SEC source: 0001023459-23-000047 · wf-form4_167968884265662.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 35,000 shares

Expires 2024-08-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Fully Vested.

Read SEC document
March 23, 2023 Filed Mar 24, 2023 20:14 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 35,000 $6.85 $239,750.00
Disclosure

SEC source: 0001023459-23-000047 · wf-form4_167968884265662.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,840

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 03, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 12,442 $0.00 Strike: $10.05 $0.00
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · derivative · entry 9

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,206

Underlying: Common Stock · 12,442 shares

Expires 2027-02-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Fully Vested.

Read SEC document
March 03, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 4,322 $39.54 $170,891.88
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 6

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,840

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in multiple transactions at prices falling within those ranges set forth in footnotes (3), (4), and (5) of this Form 4. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

F5 · price: These shares were sold in multiple transactions at prices ranging from $39.45 to $39.63, inclusive.

Read SEC document
March 03, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 8,120 $39.05 $317,086.00
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 5

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,162

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in multiple transactions at prices falling within those ranges set forth in footnotes (3), (4), and (5) of this Form 4. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

F4 · price: These shares were sold in multiple transactions at prices ranging from $38.45 to $39.44, inclusive.

Read SEC document
March 03, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 12,442 $10.05 $125,042.10
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 4

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,282

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 1,352 $0.00 Strike: $10.05 $0.00
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · derivative · entry 8

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,648

Underlying: Common Stock · 1,352 shares

Expires 2027-02-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Fully Vested.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Options (Right to Buy) · Derivative 15,000 $0.00 Strike: $6.85 $0.00
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · derivative · entry 7

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,000

Underlying: Common Stock · 15,000 shares

Expires 2024-08-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: Fully Vested.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 16,352 $38.34 $626,935.68
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 3

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,840

F1 · kind: The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 plan adopted by the reporting persons.

F2 · price: These shares were sold in multiple transactions at prices falling within those ranges set forth in footnotes (3), (4), and (5) of this Form 4. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the relevant footnotes.

F3 · price: These shares were sold in multiple transactions at prices ranging from $37.97 to $38.62, inclusive.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 1,352 $10.05 $13,587.60
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,192

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 02, 2023 Filed Mar 6, 2023 21:37 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionCommon Stock 15,000 $6.85 $102,750.00
Disclosure

SEC source: 0001023459-23-000040 · wf-form4_167813863261675.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,840

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 20, 2022 Filed Oct 24, 2022 23:04 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Options (Right to Buy) · Derivative 15,000 $0.00 Strike: $43.91 $0.00
Disclosure

SEC source: 0001023459-22-000066 · wf-form4_166665263483319.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

Underlying: Common Stock · 15,000 shares

Expires 2032-10-19

F1 · derivative.exercise_date: The stock options shall vest in four equal installments over a four year period, with one fourth of the stock options vesting on each anniversary of the date of grant.

Read SEC document
January 27, 2021 Filed Jan 29, 2021 21:44 UTC Simulations Plus, Inc. SLP · Entity 5719 SaleCommon Stock 2,360 $80.00 $188,800.00
Disclosure

SEC source: 0001683168-21-000311 · ownership.xml · nonDerivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,840

Read SEC document
December 07, 2020 Filed Jan 29, 2021 21:43 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Option · Derivative 9,300 $0.00 Strike: $57.67 $0.00
Disclosure

SEC source: 0001683168-21-000310 · ownership.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,300

Underlying: Common Stock · 9,300 shares

Expires 2030-12-06

F1 · derivative.exercise_date: Options issued at $57.67 per share and vest 25% per year over 4 years.

Read SEC document
December 06, 2019 Filed Dec 16, 2019 15:10 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Option · Derivative 5,000 $32.57 Strike: $32.57 $162,850.00
Disclosure

SEC source: 0001683168-19-003979 · ownership.xml · derivative · entry 1

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,300

Underlying: Common Stock · 5,000 shares

Expires 2029-12-06

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Options issued at $32.57 per share and vest 20% per year over 5 years.

Read SEC document
January 15, 2019 Filed Jan 16, 2019 19:11 UTC Simulations Plus, Inc. SLP · Entity 5719 Exercise / conversionStock Option · Derivative 5,000 $1.00 Strike: $1.00 $5,000.00
Disclosure

SEC source: 0001683168-19-000129 · dibella_f4.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,000 shares

Expires 2019-04-07

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Options issued April 7, 2009 and vested 20% per year over 5 years.

Read SEC document
December 11, 2018 Filed Dec 13, 2018 18:36 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Option · Derivative 8,000 $19.81 Strike: $19.81 $158,480.00
Disclosure

SEC source: 0001683168-18-003685 · dibella_f4.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · Division President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,300

Underlying: Common Stock · 8,000 shares

Expires 2028-12-11

F1 · derivative.exercise_date: Options issued at $19.81 per share and vest 20% per year over 5 years.

Read SEC document
February 23, 2017 Filed Feb 27, 2017 21:29 UTC Simulations Plus, Inc. SLP · Entity 5719 GrantStock Option · Derivative 40,000 $10.05 Strike: $10.05 $402,000.00
Disclosure

SEC source: 0001683168-17-000447 · dibella_f4.xml · derivative · entry 2

DiBella John Anthony II · CIK 0001544167 · VP Sales & Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 107,300

Underlying: Common Stock · 40,000 shares

Expires 2022-02-23

F1 · derivative.exercise_date: Options issued at $10.05 per share and vest 20% per year over 5 years.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.