# GRI Bio, Inc. Common Stock (GRI)

> GRI Bio, Inc. Common Stock (GRI) trades at $1.70 (-6.59%) as of 6:11:02 PM EST on Nov 13, 2026, +21.43% over the past month. Market cap is $3.72M, with 1.6 days to cover in short interest.

Canonical: https://massive.com/quote/gri
Data as of: 2026-11-13T23:11:02.241Z (15-minute delayed)
Source: Massive (https://massive.com/docs/llms.txt)

## Price

**$1.70** -0.12 (-6.59%)
At close · 15-minute delayed
Nasdaq · usd

After hours: **$1.69** -0.01 (-0.59%)
As of 6:11:02 PM EST on Nov 13, 2026 · After hours

## Stock performance

How GRI Bio, Inc. Common Stock (GRI) stock has performed from one day to one year, with its 52-week range.

| Period | Return |
| --- | --- |
| 1D | -6.59% |
| 1W | -9.57% |
| 1M | +21.43% |
| YTD | -75.40% |
| 1Y | -96.21% |
| 52-wk range | $1.36 – $64.12 |

From daily closes through Nov 13, 2026.

## Key statistics

Today's trading snapshot for GRI: day range, open, previous close, volume and market cap.

| Measure | Value |
| --- | --- |
| Day range | $1.70 – $1.83 |
| Open | $1.79 |
| Prev close | $1.82 |
| Volume | 21.85K |
| Market cap | $3.72M |
| Shares out | 2.19M |

## Valuation and profitability ratios

Valuation and profitability ratios for GRI Bio, Inc. Common Stock: P/E, P/S, P/B, ROE and more.

| Measure | Value |
| --- | --- |
| P/E | — |
| P/S | — |
| P/B | 0.36 |
| P/FCF | — |
| ROE | -94.0% |
| ROA | -84.9% |
| Debt/Equity | 0.00 |
| Div yield | 0.00% |

As of Nov 13, 2026

## Insider trading

[GRI Bio, Inc. Common Stock (GRI) insider trading](https://massive.com/quote/gri/insider-trading.md): open-market Form 4 buys and sells by GRI Bio, Inc. Common Stock insiders over the last 12 months.

## 8-K filings

Material corporate events GRI Bio, Inc. Common Stock has disclosed to the SEC on Form 8-K.

- Nov 4, 2026 · Annual meeting results
  “The following actions were taken at the Annual Meeting: Proposal 1 Election of ... nominees to the Company's Board of Directors ... Proposal 2 Ratification of the appointment of WithumSmith+Brown, PC ... Proposal 3 Approval of an amendment and restatement ... \[and\] Proposal 4 Approval of any postponement or adjournment of the Annual Meeting.”
- Sep 8, 2026 · Investor presentation
  “On September 8, 2026, GRI Bio, Inc. (the "Company") posted an updated corporate presentation to the Company's website at www.gribio.com/investors/events-presentations/ which is included as Exhibit 99.1 to this Current Report on Form 8-K.”
- Jun 18, 2026 · [Regulatory decision](https://massive.com/quote/sec-filings/8-k/regulatory-decisions.md)
  “the U.S. Food and Drug Administration has granted Orphan Drug Designation to GRI-0621 for the treatment of idiopathic pulmonary fibrosis”
- Jan 30, 2026 · Public offering
  “On January 29, 2026, the Company entered into an Amendment No. 1 to At The Market Offering Agreement (the "Amendment") with Wainwright, effective as of January 28, 2026, to increase the aggregate offering price of the Shares that the Company may sell in the ATM Offering from $10,000,000 to up to the dollar amount of Shares registered on the prospectus supplement pursuant to which the ATM Offering is being made. In connection with the Amendment, on January 29, 2026, the Company filed a prospectus supplement with the Commission to increase the maximum number of Shares issuable in the ATM Offering to up to an aggregate of $60,000,000.”
- Jan 21, 2026 · [Stock split](https://massive.com/quote/sec-filings/8-k/stock-splits.md)
  “On January 21, 2026, GRI Bio, Inc. (the "Company") filed with the Secretary of State of the State of Delaware an amendment (the "Certificate of Amendment") to its amended and restated certificate of incorporation, as amended, to effect a reverse stock split of the Company's common stock, par value $0.0001 per share (the "Common Stock"), at a ratio of 1-for-28 (the "Reverse Stock Split"). Pursuant to the Certificate of Amendment, the Reverse Stock Split will become effective as of 4:01 p.m. Eastern Time on January 23, 2026 (the "Effective Time") and shares of the Company's Common Stock are expected to begin trading on a post-split basis at the open of trading on The Nasdaq Capital Market on January 26, 2026. At the Effective Time, every twenty-eight (28) shares of the Company's issued and outstanding shares of Common Stock will be automatically converted into one (1) share of Common Stock.”

## Dividend history and stock splits

GRI Bio, Inc. Common Stock's recent dividend payments and stock splits.

### Dividends

- $0.51 · ex-div Dec 19, 2019
- $0.27 · ex-div Sep 19, 2019
- $0.37 · ex-div Jun 20, 2019
- $0.35 · ex-div Mar 21, 2019

### Splits

- 1-for-28 · Jan 26, 2026
- 1-for-17 · Feb 24, 2025
- 1-for-13 · Jun 18, 2024

## GRI short interest

How heavily GRI is shorted: shares short, days to cover and average daily volume.

| Measure | Value |
| --- | --- |
| Days to cover | 1.6 |
| Short interest | 66.51K |
| Avg volume | 42.74K |

As of Oct 30, 2026 · reported to FINRA twice monthly.

## GRI news

The latest news and headlines about GRI Bio, Inc. Common Stock (GRI).

- [GRI Bio CEO, Marc Hertz, Participates in Virtual Investor “What This Means” Segment](https://www.globenewswire.com/news-release/2025/07/31/3125304/0/en/GRI-Bio-CEO-Marc-Hertz-Participates-in-Virtual-Investor-What-This-Means-Segment.html) · GlobeNewswire Inc. · Jul 31, 2025 · positive sentiment
- [Windtree Announces the Addition of Leanne Kelly to Its Board of Directors](https://www.globenewswire.com/news-release/2025/01/13/3008408/0/en/Windtree-Announces-the-Addition-of-Leanne-Kelly-to-Its-Board-of-Directors.html) · GlobeNewswire Inc. · Jan 13, 2025 · positive sentiment
- [GRI Bio Announces European Patent Office Issued a Decision to Grant Notice for Patent Covering GRI-0803 and Its Library of 500+ Proprietary Compounds](https://www.globenewswire.com/news-release/2024/12/23/3001257/0/en/GRI-Bio-Announces-European-Patent-Office-Issued-a-Decision-to-Grant-Notice-for-Patent-Covering-GRI-0803-and-Its-Library-of-500-Proprietary-Compounds.html) · GlobeNewswire Inc. · Dec 23, 2024 · positive sentiment
- [GRI Bio Announces Exercise of Warrants](https://www.globenewswire.com/news-release/2024/10/21/2966558/0/en/GRI-Bio-Announces-Exercise-of-Warrants.html) · GlobeNewswire Inc. · Oct 21, 2024 · positive sentiment
- [GRI Bio (NASDAQ: GRI) to Participate in the Virtual Investor Lunch Break Series - GlobeNewswire](https://www.globenewswire.com/news-release/2024/07/15/2913098/0/en/GRI-Bio-NASDAQ-GRI-to-Participate-in-the-Virtual-Investor-Lunch-Break-Series.html) · GlobeNewswire Inc. · Jul 15, 2024 · positive sentiment

## About GRI Bio, Inc. Common Stock

GRI Bio Inc is a clinical-stage biotech company focused on discovering, developing, and commercializing therapies targeting serious diseases associated with dysregulated immune responses that to inflammatory, fibrotic, and autoimmune disorders. GRI Bio's program, GRI-0621, is a small molecule RAR-beta and gamma dual agonist that inhibits the activity of human NKT I cells, returning the immune system to homeostasis. It is also an oral formulation of tazarotene, a synthetic RAR-beta and gamma selective agonist for the topical treatment of psoriasis and acne. The company's other product candidate GRI-0803 is a novel oral agonist of type 2 Natural Killer T (type 2 NKT) cells which can be a potential treatment for autoimmune disorders.

| Measure | Value |
| --- | --- |
| Exchange | Nasdaq |
| Market | stocks |
| Type | CS |
| Currency | USD |
| Industry | PHARMACEUTICAL PREPARATIONS |
| Employees | 5 |
| Listed | Apr 24, 2023 |

[Company website](https://www.gribio.com)

## FAQ

### What is the GRI Bio, Inc. Common Stock (GRI) stock price today?

GRI Bio, Inc. Common Stock (GRI) is trading at $1.70 (-6.59% on the day) as of 6:11:02 PM EST on Nov 13, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

### What is GRI Bio, Inc. Common Stock?

GRI Bio Inc is a clinical-stage biotech company focused on discovering, developing, and commercializing therapies targeting serious diseases associated with dysregulated immune responses that to inflammatory, fibrotic, and autoimmune disorders.

### What is the short interest in GRI?

As of Oct 30, 2026, GRI has 66.51K shares short and 1.6 days to cover.

### Does GRI Bio, Inc. Common Stock (GRI) pay a dividend?

Yes. GRI Bio, Inc. Common Stock (GRI)'s most recent dividend was $0.51 per share, with an ex-dividend date of Dec 19, 2019. Full GRI dividend history is available from the Massive API.

### What exchange is GRI listed on?

GRI Bio, Inc. Common Stock (GRI) trades on Nasdaq in USD, in the PHARMACEUTICAL PREPARATIONS industry.

## Live data

Prices here are 15-minute delayed. For real-time GRI quotes and the full history behind this page, use the Massive API or MCP server:

- `GET https://api.massive.com/v3/snapshot?ticker.any_of=GRI`

Requests need a Massive API key. API reference for agents: https://massive.com/docs/llms.txt. Connect an AI agent through the Massive MCP server: https://massive.com/docs/ai-tools.

## Related

- [GRI Bio, Inc. Common Stock (GRI) insider trading](https://massive.com/quote/gri/insider-trading.md)
- [SEC 8-K events](https://massive.com/quote/sec-filings/8-k.md)
- [Markets overview](https://massive.com/quote/index.md)

Nothing here is investment advice. Data and content are provided for informational purposes under the Massive Terms of Service: https://massive.com/terms