OCONNOR SHAWN

Director at PHARSIGHT CORP · on record since May 9, 2006
President and CEO at PHARSIGHT CORP · on record since May 9, 2006
Chief Executive Officer at Simulations Plus, Inc. · on record since Jul 6, 2018

Insider trading activity of OCONNOR SHAWN

Transactions on record: 20; since Apr 23, 2004

Open-market buys: 0

Open-market sells: 2; $669.9K

Companies traded: 2; last filing Oct 17, 2025

Figures computed from official regulatory filings — .

Companies where OCONNOR SHAWN has traded

Simulations Plus, Inc.10 tx · $3.1M · Oct 17, 2025
PHARSIGHT CORP10 tx · $1.3M · Oct 31, 2008

Track record of OCONNOR SHAWN

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of OCONNOR SHAWN

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
Simulations Plus, Inc.Listing on record	Oct 17, 2025	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 21, 2024	AwardD (derivative)	32,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 23, 2023	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 24, 2022	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Nov 30, 2020	Sell	-6,381	56.50 USD	$360.5K	SEC
Simulations Plus, Inc.Listing on record	Nov 25, 2020	Sell	-5,500	56.25 USD	$309.4K	SEC
Simulations Plus, Inc.Listing on record	Nov 23, 2020	ExerciseD (derivative)	-20,000	23.75 USD	$475K	SEC
Simulations Plus, Inc.Listing on record	Nov 23, 2020	Exercise	20,000	23.75 USD	$475K	SEC
Simulations Plus, Inc.Listing on record	Sep 8, 2020	AwardD (derivative)	25,000	59.97 USD	$1.5M	SEC
Simulations Plus, Inc.Listing on record	Sep 4, 2019	AwardD (derivative)	20,000	—	n/a (No price was disclosed in the filing)	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-41,666	0.25	$10.4K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-166,666	5.32	$886.7K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-41,666	1.45	$60.4K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-40,000	0.85	$34K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-83,333	0.61	$50.8K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-83,333	3.55	$295.8K	SEC
PHARSIGHT CORPListing unverified	May 6, 2008	AwardD (derivative)	40,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	May 4, 2007	AwardD (derivative)	125,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	May 9, 2006	AwardD (derivative)	125,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	Apr 23, 2004	AwardD (derivative)	250,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
Simulations Plus, Inc.Listing on record	Oct 17, 2025	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 21, 2024	AwardD (derivative)	32,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 23, 2023	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Oct 24, 2022	AwardD (derivative)	50,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
Simulations Plus, Inc.Listing on record	Nov 30, 2020	Sell	-6,381	56.50 USD	$360.5K	SEC
Simulations Plus, Inc.Listing on record	Nov 25, 2020	Sell	-5,500	56.25 USD	$309.4K	SEC
Simulations Plus, Inc.Listing on record	Nov 23, 2020	ExerciseD (derivative)	-20,000	23.75 USD	$475K	SEC
Simulations Plus, Inc.Listing on record	Nov 23, 2020	Exercise	20,000	23.75 USD	$475K	SEC
Simulations Plus, Inc.Listing on record	Sep 8, 2020	AwardD (derivative)	25,000	59.97 USD	$1.5M	SEC
Simulations Plus, Inc.Listing on record	Sep 4, 2019	AwardD (derivative)	20,000	—	n/a (No price was disclosed in the filing)	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-41,666	0.25	$10.4K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-166,666	5.32	$886.7K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-41,666	1.45	$60.4K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-40,000	0.85	$34K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-83,333	0.61	$50.8K	SEC
PHARSIGHT CORPListing unverified	Oct 31, 2008	OtherD (derivative)	-83,333	3.55	$295.8K	SEC
PHARSIGHT CORPListing unverified	May 6, 2008	AwardD (derivative)	40,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	May 4, 2007	AwardD (derivative)	125,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	May 9, 2006	AwardD (derivative)	125,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
PHARSIGHT CORPListing unverified	Apr 23, 2004	AwardD (derivative)	250,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC

OCONNOR SHAWN

Insider trading activity of OCONNOR SHAWN

Companies where OCONNOR SHAWN has traded

Track record of OCONNOR SHAWN

Transaction history of OCONNOR SHAWN

Co-insiders of OCONNOR SHAWN

OCONNOR SHAWN

Insider trading activity of OCONNOR SHAWN

Companies where OCONNOR SHAWN has traded

Track record of OCONNOR SHAWN

Transaction history of OCONNOR SHAWN

Co-insiders of OCONNOR SHAWN