SEC Form 4 · Updated Daily

GRI

— GRI BIO, INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
Arcturus Therapeutics Holdings Inc.	10%+ Owner	843,750	2021-02-09	—
Hertz Walter Marc	Director · Officer	385,510	2023-04-21	A
Levi Ofir	Director	196,875	2021-02-09	—
Chaturvedi Vipin	Officer	172,189	2023-04-21	A
Agro Albert	Officer	172,189	2023-04-21	A
Ammer Richard	Director	47,063	2021-02-12	J
SALMON Pharma GmbH	10%+ Owner	47,063	2021-02-12	J
Payne Joseph E	Director	17,500	2021-05-26	P
Thorell Marella	Officer	9,506	2022-12-13	J
Baker David Charles	Director	8,843	2021-02-12	P
Kelly Leanne	Officer	6,250	2021-06-04	P

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2025-09-18	Hertz Walter Marc	Grant / award (derivative)	103,067	$0.00	103,067
2025-09-18	Rongen Roelof	Grant / award (derivative)	23,605	$0.00	23,605
2025-09-18	Chaturvedi Vipin	Grant / award (derivative)	43,222	$0.00	43,222
2025-09-18	SIMPSON CAMILLA V	Grant / award (derivative)	23,605	$0.00	23,605
2025-09-18	Baker David Charles	Grant / award (derivative)	23,605	$0.00	23,605
2025-09-18	Szekeres David Leslie	Grant / award (derivative)	39,897	$0.00	39,897
2025-09-18	Kelly Leanne	Grant / award (derivative)	43,222	$0.00	43,222
2025-08-26	Kelly Leanne	Grant / award (derivative)	11,854	$0.00	11,854
2025-08-26	SIMPSON CAMILLA V	Grant / award (derivative)	5,994	$0.00	5,994
2025-08-26	Chaturvedi Vipin	Grant / award (derivative)	11,854	$0.00	11,854
2025-08-26	Rongen Roelof	Grant / award (derivative)	5,994	$0.00	5,994
2025-08-26	Baker David Charles	Grant / award (derivative)	5,994	$0.00	5,994
2025-08-26	Szekeres David Leslie	Grant / award (derivative)	10,276	$0.00	10,276
2025-08-26	Hertz Walter Marc	Grant / award (derivative)	26,688	$0.00	26,688
2025-08-13	Szekeres David Leslie	Grant / award (derivative)	7,545	$0.00	7,545
2025-08-13	Rongen Roelof	Grant / award (derivative)	4,527	$0.00	4,527
2025-08-13	Baker David Charles	Grant / award (derivative)	4,527	$0.00	4,527
2025-08-13	SIMPSON CAMILLA V	Grant / award (derivative)	4,527	$0.00	4,527
2025-01-23	Rongen Roelof	Grant / award (derivative)	30,297	$0.69	30,297
2025-01-23	Szekeres David Leslie	Grant / award (derivative)	51,937	$0.69	51,937
2025-01-23	Baker David Charles	Grant / award (derivative)	30,297	$0.69	30,297
2025-01-23	SIMPSON CAMILLA V	Grant / award (derivative)	30,297	$0.69	30,297
2025-01-23	Hertz Walter Marc	Grant / award (derivative)	129,730	$0.69	129,730
2025-01-23	Chaturvedi Vipin	Grant / award (derivative)	43,319	$0.69	43,319
2025-01-23	Kelly Leanne	Grant / award (derivative)	43,319	$0.69	43,319
2023-09-22	Kelly Leanne	Grant / award (derivative)	83,333	$1.52	83,333
2023-08-10	Rongen Roelof	Grant / award (derivative)	34,483	$2.90	34,483
2023-08-10	SIMPSON CAMILLA V	Grant / award (derivative)	34,483	$2.90	34,483
2023-08-10	Baker David Charles	Grant / award (derivative)	34,483	$2.90	34,483
2023-08-10	Szekeres David Leslie	Grant / award (derivative)	34,483	$2.90	34,483
2023-04-21	Chaturvedi Vipin	Grant / award	172,189	—	172,189
2023-04-21	Agro Albert	Grant / award	172,189	—	172,189
2023-04-21	Hertz Walter Marc	Grant / award	385,510	—	385,510
2022-12-13	Thorell Marella	J	28,517	$0.00	9,506
2022-07-01	Thorell Marella	Grant / award	38,023	$0.00	38,023
2022-06-09	Payne Joseph E	Grant / award (derivative)	7,500	$0.00	7,500
2022-06-09	Thorell Marella	Grant / award (derivative)	7,500	$0.00	7,500
2022-06-09	Ammer Richard	Grant / award (derivative)	7,500	$0.00	7,500
2022-02-23	Chhabra Meenu	Grant / award (derivative)	15,000	$7.67	15,000
2022-02-15	Baker David Charles	Grant / award (derivative)	61,000	$5.63	61,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.