Enright William

Director at BullFrog AI Holdings, Inc. · on record since Jun 15, 2026
Director at HEALTHCARE ACQUISITION CORP · on record since May 8, 2017
See Remarks at HEALTHCARE ACQUISITION CORP · on record since May 8, 2017
Director at ALTEON INC /DE · on record since Sep 26, 2017
President and CEO at ALTEON INC /DE · on record since Sep 26, 2017
Director at Barinthus Biotherapeutics plc. · on record since Apr 29, 2021
Chief Executive Officer at Barinthus Biotherapeutics plc. · on record since Apr 29, 2021

Insider trading activity of Enright William

Transactions on record: 29; since May 8, 2017

Open-market buys: 2; $20.9K

Open-market sells: 1; $36.3K

Companies traded: 4; last filing Jun 15, 2026

Figures computed from official regulatory filings — methodology.

Companies where Enright William has traded

BullFrog AI Holdings, Inc.6 tx · $20.3K · Jun 15, 2026
Barinthus Biotherapeutics plc.8 tx · $36.3K · Feb 5, 2025
ALTEON INC /DE9 tx · $28.4K · May 29, 2018
HEALTHCARE ACQUISITION CORP6 tx · May 8, 2017

Track record of Enright William

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

Transaction history of Enright William

Co-insiders of Enright William

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Price	Value · USD	Src
BullFrog AI Holdings, Inc.	Jun 15, 2026	AwardD	15,000	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Sep 29, 2025	AwardD	15,000	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Aug 26, 2025	Award	2,813	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Aug 26, 2025	Award	5,710	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Feb 12, 2025	AwardD	15,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Feb 5, 2025	AwardD	600,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Jan 4, 2024	AwardD	443,981	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Jun 15, 2023	Buy	5,000	4.05 USD	$20.3K	SEC
Barinthus Biotherapeutics plc.	Mar 29, 2023	Sell	-15,000	2.42 USD	$36.3K	SEC
Barinthus Biotherapeutics plc.	Feb 23, 2023	AwardD	440,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Feb 11, 2022	AwardD	359,605	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	May 7, 2021	Award	514,923	—	—	SEC
Barinthus Biotherapeutics plc.	May 4, 2021	AwardD	176,130	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	May 4, 2021	Award	455,775	—	—	SEC
ALTEON INC /DE	May 29, 2018	Buy	1,300	0.51 USD	$663	SEC
ALTEON INC /DE	May 23, 2018	AwardD	103,158	0.00 USD	$0	SEC
ALTEON INC /DE	Jan 4, 2018	Exercise	183,347	0.08 USD	$14.7K	SEC
ALTEON INC /DE	Jan 4, 2018	ExerciseD	-183,347	0.00 USD	$0	SEC
ALTEON INC /DE	Sep 26, 2017	AwardD	125,000	0.00 USD	$0	SEC
ALTEON INC /DE	Aug 18, 2017	Exercise	91,733	0.08 USD	$7.3K	SEC
ALTEON INC /DE	Aug 18, 2017	Exercise	71,644	0.08 USD	$5.7K	SEC
ALTEON INC /DE	Aug 18, 2017	ExerciseD	-71,644	0.00 USD	$0	SEC
ALTEON INC /DE	Aug 18, 2017	ExerciseD	-91,733	0.00 USD	$0	SEC
HEALTHCARE ACQUISITION CORP	May 8, 2017	AwardD	183,347	—	—	SEC
HEALTHCARE ACQUISITION CORP	May 8, 2017	Award	17,787	—	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
BullFrog AI Holdings, Inc.	Jun 15, 2026	AwardD	15,000	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Sep 29, 2025	AwardD	15,000	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Aug 26, 2025	Award	2,813	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Aug 26, 2025	Award	5,710	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Feb 12, 2025	AwardD	15,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Feb 5, 2025	AwardD	600,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Jan 4, 2024	AwardD	443,981	0.00 USD	$0	SEC
BullFrog AI Holdings, Inc.	Jun 15, 2023	Buy	5,000	4.05 USD	$20.3K	SEC
Barinthus Biotherapeutics plc.	Mar 29, 2023	Sell	-15,000	2.42 USD	$36.3K	SEC
Barinthus Biotherapeutics plc.	Feb 23, 2023	AwardD	440,000	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	Feb 11, 2022	AwardD	359,605	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	May 7, 2021	Award	514,923	—	—	SEC
Barinthus Biotherapeutics plc.	May 4, 2021	AwardD	176,130	0.00 USD	$0	SEC
Barinthus Biotherapeutics plc.	May 4, 2021	Award	455,775	—	—	SEC
ALTEON INC /DE	May 29, 2018	Buy	1,300	0.51 USD	$663	SEC
ALTEON INC /DE	May 23, 2018	AwardD	103,158	0.00 USD	$0	SEC
ALTEON INC /DE	Jan 4, 2018	Exercise	183,347	0.08 USD	$14.7K	SEC
ALTEON INC /DE	Jan 4, 2018	ExerciseD	-183,347	0.00 USD	$0	SEC
ALTEON INC /DE	Sep 26, 2017	AwardD	125,000	0.00 USD	$0	SEC
ALTEON INC /DE	Aug 18, 2017	Exercise	91,733	0.08 USD	$7.3K	SEC
ALTEON INC /DE	Aug 18, 2017	Exercise	71,644	0.08 USD	$5.7K	SEC
ALTEON INC /DE	Aug 18, 2017	ExerciseD	-71,644	0.00 USD	$0	SEC
ALTEON INC /DE	Aug 18, 2017	ExerciseD	-91,733	0.00 USD	$0	SEC
HEALTHCARE ACQUISITION CORP	May 8, 2017	AwardD	183,347	—	—	SEC
HEALTHCARE ACQUISITION CORP	May 8, 2017	Award	17,787	—	—	SEC