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NASDAQ · Biotechnology · USD

IN8bio, Inc. (INAB) Stock Analysis

IN8bio, Inc. (INAB) is a Biotechnology stock listed on NASDAQ and quoted in US Dollar.

Last Updated: October 21, 2026

INAB

$1.09

−$0.05 (−4.39%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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INAB Key Statistics

As of Oct 21, 2026
Trading
Open
$1.16
Previous Close
$1.14
Day's Range
1.05–1.16
52-Week Range
0.88–2.73
Volume
32.21K
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.30
Valuation
Market Cap
$10.75M
P/E Ratio
unprofitable
EPS (ttm)Profit attributable to each share over the last twelve months.
−1.62
Financials (FY)
Revenue (FY)
$0.00
Net Income (FY)
−$19.44M
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
9.86M
1-Year Return
−47.85%
Dividend and dates
Avg Volume
53.71K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, INAB closed at $1.09, −47.85% over 1 year.

IN8bio, Inc. (INAB) has a market capitalization of $10.75M.

In fiscal 2025, INAB reported revenue of $0.00.

INAB Stock Return by Calendar Year

IN8bio, Inc. (INAB) return since Jul 2021: what $10,000 became

1 year
$10,000 $5,215
−47.85%
5 years
$10,000 $55
−99.45%
Since Jul 2021
$10,000 $36
−99.64%

If you had invested $10,000 in IN8bio, Inc. (INAB) at the close on July 30, 2021, the earliest close on record here, it would have been worth $36 at the close on October 21, 2026: −99.64% in total, −65.86% a year, over a partial period shorter than 10 years. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−53.42%
2025−69.65%
2024−81.38%
2023−40.26%
2022−47.38%
2021 (partial year)−56.10%

As of October 21, 2026.

INAB Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$0.00−$19.44M—
2024$0.00−$30.44M—
2023$0.00−$30.01M—
2022$0.00−$28.52M—
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$0.00—−$19.86M−$19.44M—
2024$0.00—−$29.60M−$30.44M—
2023$0.00—−$30.01M−$30.01M—
2022$0.00—−$28.52M−$28.52M—

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

Recent News

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

IN8bio, Inc. (INAB) carries a market capitalisation of $10.75M. The company sits in the Healthcare sector, in the Biotechnology industry. Headcount on file is 18.

The most recent close on file for INAB is $1.09, dated October 21, 2026. That is −$0.05 (−4.39%) against the previous close. The 52-week range on file runs from $0.88 to $2.73. The latest close sits 23.86% above that 52-week low.

Financial Health

Fiscal 2025 revenue came to $0.00. The same year closed with a net loss of $19.44M. Earnings per share on a trailing basis come to −1.62.

Across the 4 fiscal years on file, revenue moves from $0.00 in 2022 to $0.00 in 2025. Of those 4 years, 0 report positive net income.

Valuation Assessment

The record shows negative trailing earnings, so no price-to-earnings ratio is published.

Beta against the wider market is reported at 0.3. Daily returns over the trailing 5 years annualize to a volatility of 140.89%. The trailing one-year total return is −47.85%. Measured over 5 years, that is −64.70% a year compounded.

Growth & Income

The record shows no dividend for INAB.

So far in 2026 the total return is −53.42%. Across the complete calendar years on file, 2023 returned −40.26% and 2024 returned −81.38%. Of the 4 complete calendar years on file, 0 finished higher.

Peer Comparison

IN8bio, Inc. (INAB) operates in the Biotechnology industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
IN8bio, Inc. INAB $10.75M —
Vertex Pharmaceuticals Incorporated VRTX $132.95B 30.4
Moderna, Inc. MRNA $98.14B —
Regeneron Pharmaceuticals, Inc. REGN $82.95B 19.9

The Biotechnology industry average P/E ratio is 16.6x. IN8bio, Inc. has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About IN8bio, Inc.

IN8bio, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery, development, and commercialization of gamma-delta T cell product candidates for the treatment of cancer and autoimmune diseases. Its lead product candidates include INB-400, which is in Phase 2 clinical trial to treat newly diagnosed glioblastoma (GBM); INB-200, a genetically modified autologous gamma-delta T cell product candidate that is in Phase I clinical trial for the treatment of GBM; and INB-100, an allogeneic product candidate, which is in Phase I clinical trial to treat patients with hematologic malignancies undergoing hematopoietic stem cell transplantation. The company also develops INB-619, a gamma-delta TCE targeting CD19 for both oncology and autoimmune diseases; INB-300, a nsCAR-enabled DeltEx product candidates targeting difficult liquid tumors and extracranial solid tumors; INB-500, an induced pluripotent stem cell derived gamma-delta T cells that are in preclinical phase for treatment of cancer; and INB-600, a gamma-Delta T cell engager. In addition, it is developing INB-619, a gamma-delta TCE targeting CD19 for potential applications in both oncology and autoimmune diseases. The company was formerly known as Incysus Therapeutics, Inc. and changed its name to IN8bio, Inc. in August 2020. IN8bio, Inc. was incorporated in 2016 and is headquartered in New York, New York.

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