Comparable stake leader
INTRACOASTAL CAPITAL, LLC
SEC ownership of GRI Bio, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001824293.
Disclosed value leader
Albert Agro
Comparable rows
12/26
Latest evidence
30 Jun 2026
- Public ticker
- GRI on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
INTRACOASTAL CAPITAL, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
12 of 26
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
INTRACOASTAL CAPITAL, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001824293
- Issuer location
- La Jolla, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of GRI Bio, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
INTRACOASTAL CAPITAL, LLC
Disclosed value leader
Albert Agro
Comparable rows
12/26
Latest evidence
30 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
14 rows are not safely comparable across share classes.
13D/G row: INTRACOASTAL CAPITAL, LLC
Showing 1-8 of 26 holder rows.
Quick read
INTRACOASTAL CAPITAL, LLC leads the comparable SEC ownership view at 5%.
12 of 26 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens INTRACOASTAL CAPITAL, LLC's linked filing trail.
Comparable ownership
Top 5
INTRACOASTAL CAPITAL, LLC
5%
HRT FINANCIAL LP
1.5%
VANGUARD CAPITAL MANAGEMENT LLC
1.1%
GEODE CAPITAL MANAGEMENT, LLC
0.74%
CITADEL ADVISORS LLC
0.72%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 26 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| INTRACOASTAL CAPITAL, LLC |
13D/G
Mitchell P. Kopin
|
5%
|
$150,668
93,005 shares
|
$0 | 30 Jun 2026 |
| HRT FINANCIAL LP |
13F
Company
|
1.5%
|
$50,000
28,784 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
1.1%
|
$37,821
21,368 shares
|
— | 30 Jun 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.74%
|
$24,547
13,869 shares
|
— | 30 Jun 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
0.72%
|
$23,676
13,376 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
0.47%
|
$15,464
8,737 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
0.26%
|
$8,708
4,920 shares
|
— | 30 Jun 2026 |
| Tower Research Capital LLC (TRC) |
13F
Company
|
0.13%
|
$4,308
2,434 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 10 Sep 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to GRI Bio, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Albert Agro
Net 12M change
$0
Latest report
18 Sep 2025
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Albert Agro | Chief Medical Officer | $702,531 | Mixed | 21 Apr 2023 | ||
| Walter Marc Hertz | Chief Executive Officer, Director | $88,956 | Mixed | 18 Sep 2025 | ||
| Marella Thorell | Director | $38,784 | Mixed | 13 Dec 2022 | ||
| David Leslie Szekeres | Director | $35,613 | Mixed | 18 Sep 2025 | ||
| Vipin Chaturvedi | Chief Scientific Officer | $29,704 | Mixed | 18 Sep 2025 | ||
| Leanne Kelly | Chief Financial Officer | $29,704 | Mixed | 18 Sep 2025 | ||
| Roelof Rongen | Director | $20,775 | Mixed | 18 Sep 2025 | ||
| Camilla Simpson V | Director | $20,775 | Mixed | 18 Sep 2025 | ||
| David Charles Baker | Director | $20,775 | Mixed | 18 Sep 2025 | ||
| Ofir Levi | Director | $20,571 | Mixed | 14 May 2021 | ||
| Penny Toren | SVP, Regul Affairs & Prog Mgmt | $17,143 | Mixed | 14 May 2021 | ||
| Meenu Chhabra | Director | $10,286 | Mixed | 23 Feb 2022 | ||
| Richard Ammer | Director | $5,143 | Mixed | 09 Jun 2022 | ||
| Joseph E. Payne | Director | $5,143 | Mixed | 09 Jun 2022 |
Recent insider transactions for GRI Bio, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Leanne Kelly | GRI | Stock Option (Right to Buy) | Award | 43,222 | 43,222 | 18 Sep 2025 | Direct | |||
| David Leslie Szekeres | GRI | Stock Option (Right to Buy) | Award | 39,897 | 39,897 | 18 Sep 2025 | Direct | |||
| David Charles Baker | GRI | Stock Option (Right to Buy) | Award | 23,605 | 23,605 | 18 Sep 2025 | Direct | |||
| Camilla Simpson V | GRI | Stock Option (Right to Buy) | Award | 23,605 | 23,605 | 18 Sep 2025 | Direct | |||
| Vipin Chaturvedi | GRI | Stock Option (Right to Buy) | Award | 43,222 | 43,222 | 18 Sep 2025 | Direct | |||
| Walter Marc Hertz | GRI | Stock Option (Right to Buy) | Award | 103,067 | 103,067 | 18 Sep 2025 | Direct | |||
| Roelof Rongen | GRI | Stock Option (Right to Buy) | Award | 23,605 | 23,605 | 18 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.