GRI
GRI Bio, Inc.
NASDAQ · Healthcare · Biotechnology · US
$2.88
+25.76%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+31.0%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Sep 22, 2025 | Hertz Walter Marc · director, officer: Chief Executive Officer | A-Award | 103,067 | $1.93 |
| Sep 22, 2025 | Kelly Leanne · officer: Chief Financial Officer | A-Award | 43,222 | $1.93 |
| Sep 22, 2025 | Szekeres David Leslie · director | A-Award | 39,897 | $1.93 |
| Sep 22, 2025 | Baker David Charles · director | A-Award | 23,605 | $1.93 |
| Sep 22, 2025 | SIMPSON CAMILLA V · director | A-Award | 23,605 | $1.93 |
| Sep 22, 2025 | Chaturvedi Vipin · officer: Chief Scientific Officer | A-Award | 43,222 | $1.93 |
| Sep 22, 2025 | Rongen Roelof · director | A-Award | 23,605 | $1.93 |
| Aug 27, 2025 | SIMPSON CAMILLA V · director | A-Award | 5,994 | $1.41 |
| Aug 27, 2025 | Hertz Walter Marc · director, officer: Chief Executive Officer | A-Award | 26,688 | $1.41 |
| Aug 27, 2025 | Szekeres David Leslie · director | A-Award | 10,276 | $1.41 |
| Aug 27, 2025 | Baker David Charles · director | A-Award | 5,994 | $1.41 |
| Aug 27, 2025 | Rongen Roelof · director | A-Award | 5,994 | $1.41 |
| Aug 27, 2025 | Chaturvedi Vipin · officer: Chief Scientific Officer | A-Award | 11,854 | $1.41 |
| Aug 27, 2025 | Kelly Leanne · officer: Chief Financial Officer | A-Award | 11,854 | $1.41 |
| Aug 14, 2025 | Rongen Roelof · director | A-Award | 4,527 | $1.30 |
| Aug 14, 2025 | SIMPSON CAMILLA V · director | A-Award | 4,527 | $1.30 |
| Aug 14, 2025 | Baker David Charles · director | A-Award | 4,527 | $1.30 |
| Aug 14, 2025 | Szekeres David Leslie · director | A-Award | 7,545 | $1.30 |
| Jan 24, 2025 | Rongen Roelof · director | A-Award | 30,297 | $0.69 |
| Jan 24, 2025 | Kelly Leanne · officer: Chief Financial Officer | A-Award | 43,319 | $0.69 |
| Jan 24, 2025 | Chaturvedi Vipin · officer: Chief Scientific Officer | A-Award | 43,319 | $0.69 |
| Jan 24, 2025 | Hertz Walter Marc · director, officer: Chief Executive Officer | A-Award | 129,730 | $0.69 |
| Jan 24, 2025 | Baker David Charles · director | A-Award | 30,297 | $0.69 |
| Jan 24, 2025 | Szekeres David Leslie · director | A-Award | 51,937 | $0.69 |
| Jan 24, 2025 | SIMPSON CAMILLA V · director | A-Award | 30,297 | $0.69 |
Institutional positioning
13F filings over the trailing two quarters
New 6Increased 0Reduced 1Sold out 6
| Filer | Action | Shares | Filed |
|---|---|---|---|
| GEODE CAPITAL MANAGEMENT, LLC | New Position | 18,438 | May 15, 2026 |
| CITADEL ADVISORS LLC | New Position | 13,376 | Sep 2, 2026 |
| UBS GROUP AG | New Position | 8,722 | May 5, 2026 |
| TOWER RESEARCH CAPITAL LLC (TRC) | New Position | 1,060 | May 15, 2026 |
| BLACKROCK, INC. | New Position | 7 | May 13, 2026 |
| SBI SECURITIES CO., LTD. | Reduced | 4 | Apr 28, 2026 |
| DANSKE BANK A/S | New Position | 2 | May 12, 2026 |
| UBS Group AG | Sold Out | 0 | May 5, 2026 |
| SBI Securities Co., Ltd. | Sold Out | 0 | Apr 28, 2026 |
| Tower Research Capital LLC (TRC) | Sold Out | 0 | May 15, 2026 |
| BlackRock, Inc. | Sold Out | 0 | May 13, 2026 |
| DANSKE BANK A/S | Sold Out | 0 | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Sold Out | 0 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 22, 2025