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Rein Therapeutics, Inc. (RNTX)

Rein Therapeutics, Inc. brought in $0 of revenue over the twelve months to June 30, 2026. It posted a net loss of $49.8M. At June 30, 2026 it held $8.5M in cash. Its latest periodic report to the SEC is the quarterly report (10-Q) filed on August 14, 2026.

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Price
$0.57
-8.58% on the day · November 10, 2026
52-week range $0.54 to $2.10
Market cap
$49M
Revenue (last 12 months)
$0

Key facts about Rein Therapeutics, Inc.

Net worth
Rein Therapeutics, Inc. has a market value (market cap) of $49M at the latest share price, and shareholders' equity of $55.2M on its balance sheet at June 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.
Revenue and profit
In fiscal 2025 revenue was $0, with a net loss of $49.9M. Over the 12 months to June 30, 2026: revenue $0, net loss $49.8M.
Cash flow
In fiscal 2025 operations used $19.4M of cash.
Latest report
The latest periodic report (quarterly report, 10-Q) was filed with the SEC on August 14, 2026 and covers the period to June 30, 2026. Open on SEC EDGAR
Next earnings report
Rein Therapeutics, Inc.'s next report is expected around November 13, 2026. That is an estimate from its filing rhythm, not a date the company has announced.

What Rein Therapeutics, Inc. does

Rein Therapeutics, Inc. is registered with the SEC under industry code SIC 2834 (Pharmaceutical Preparations). Its shares trade on NASDAQ under the ticker RNTX.

Revenue and profit by year

Revenue
FY18: $0 $0 FY18FY19: $0 $0 FY19FY20: $0 $0 FY20FY21: $0 $0 FY21FY22: $0 $0 FY22FY23: $0 $0 FY23FY24: $0 $0 FY24FY25: $0 $0 FY25
Net income
FY18: -$31.5M -$31.5M FY18FY19: -$29.4M -$29.4M FY19FY20: -$27.3M -$27.3M FY20FY21: -$26.2M -$26.2M FY21FY22: -$27.3M -$27.3M FY22FY23: -$15.7M -$15.7M FY23FY24: -$62.9M -$62.9M FY24FY25: -$49.9M -$49.9M FY25

Fiscal years as reported in annual reports. Amounts in USD.

Key figures

Fiscal yearRevenueOperating incomeNet incomeDiluted EPSFree cash flow
2025$0-$50.6M-$49.9M-$1.96n/a
2024$0-$65.1M-$62.9M-$3.51n/a
2023$0-$16.3M-$15.7M-$3.42n/a
2022$0-$27.6M-$27.3M-$6.02n/a
2021$0-$26.6M-$26.2M-$5.89-$23.9M
2020$0-$20.5M-$27.3M-$12.39-$20.5M

Earnings: every quarter and the next report date

Full financial statements: income, balance sheet and cash flow

Next report expected around November 13, 2026.

Estimated from its filing rhythm: 52 weeks after its report of November 14, 2025. Not a date the company has announced. See the report calendar · Earnings, quarter by quarter

Latest SEC filings

What Rein Therapeutics, Inc. has filed recently, newest first. Each links to the original document on SEC EDGAR.

  1. September 4, 2026
  2. August 27, 2026
  3. August 14, 2026
  4. August 14, 2026
  5. August 14, 2026
    Quarterly report 10-Q · period to June 30, 2026Diluted EPS -$0.10 versus -$0.28.
  6. August 13, 2026
  7. July 21, 2026
  8. July 14, 2026
  9. June 8, 2026
  10. June 8, 2026

Recent insider filings (Forms 3, 4 and 144): 10, the latest on May 28, 2026. Insider transactions on SEC

Insider trades

What the people running Rein Therapeutics, Inc. did with its shares, from the Form 4 filings they must send the SEC within two business days.

No insider trades were reported in the last 90 days.

Bought (open market)
$0
last 90 days
Sold
$0
last 90 days
DateInsiderWhatSharesPriceValueFiling
May 27, 2026 Von Rickenbach Josef HDirector Bought 4,500 $1.07 $4.8K Form 4
May 26, 2026 Von Rickenbach Josef HDirector Bought 23,190 $1.06 $24.5K Form 4
May 22, 2026 Von Rickenbach Josef HDirector Bought 15,950 $1.05 $16.7K Form 4
May 21, 2026 Von Rickenbach Josef HDirector Bought 3,420 $1.04 $3.6K Form 4
April 30, 2026 Windsor James BrianSee Remarks, Director Bought 25,000 $1.00 $25K Form 4
November 14, 2025 Voss Capital, LP10% owner Boughtindirect 104,183 $1.22 $127.6K Form 4

All insider filings on SEC.gov · Where insiders are buying across the market

Who owns RNTX

Three views from three kinds of SEC filings, each with its own date. They overlap and are not added up.

5% holders

Anyone who owns more than 5% of a class of shares must say so on Schedule 13D (if they may seek to influence the company) or 13G (a passive holder). The latest filing of each holder is shown: 13G filings of the last 2 years, 13D of the last 3.

HolderOf classSharesFiled
Bios Capital Management, LP13G, passive with 23 related filers 9.99% 7,797,502 May 8, 2026
Funicular Funds, LP13G, passive with 2 related filers 6.7% 5,195,000 May 7, 2026
Voss Capital, LP13G, passive with 4 related filers 6.6% 5,656,957 July 14, 2026
ADAR1 Capital Management, LLC13G, passive with 1 related filers 5.3% 4,500,000 August 14, 2026
Lynwood Capital Management Inc.13G, passive with 2 related filers 5% 4,280,500 August 14, 2026

Latest filings below 5%: Lytton Laurence W 4.9% (August 13, 2026).

Largest institutional holders

Positions that investment managers reported on Form 13F for the quarter ended June 30, 2026, largest first, with the change on the quarter ended March 31, 2026. Managers file 13F up to 45 days after a quarter ends. 60 managers reported a position.

HolderSharesValueChange on quarter
Voss Capital, LP5,261,921$5.5M+873,559
Cable Car Capital, LP5,195,000$5.4M+4,775,000
ADAR1 Capital Management, LLC4,500,000$4.7Mnew
Vanguard Capital Management LLC3,377,910$3.5M+2,379,389
BIOS Capital Management, LP2,982,375$3.1M+1,000,000
Ikarian Capital, LLC2,950,000$3.1Mnew
Great Point Partners LLC2,575,000$2.7Mnew
Citadel Advisors LLC2,438,711$2.5Mnew
Velan Capital Investment Management LP1,700,000$1.8Mnew
Senvest Management, LLC1,230,895$1.3M+1,000,000
Prosight Management, LP1,100,000$1.1M+688,400
Bleichroeder LP1,000,000$1Mnew
Boothbay Fund Management, LLC889,450$925Knew
Geode Capital Management, LLC733,139$762.5K+388,449
University of Texas/texas AM Investment Management Co511,610$532.1K0
Vanguard Fiduciary Trust Co382,515$397.8K+228,003
State Street Corp379,604$394.8K+303,700
Empery Asset Management, LP370,834$385.7Knew
Sigma Planning Corp353,677$367.8K+5,000
BlackRock, Inc.326,204$339.3K+257,676

Insiders

Reported holdings of insiders who filed a Form 4 in the last 12 months: the shares each one held after their latest reported transaction. This is not the total held by all insiders.

3 insiders reported holding 1,016,001 shares in total, about $576.7K at the last price.

HolderSharesAs of
Voss Capital, LP10% owner 926,441926,441 held indirectly November 14, 2025
Von Rickenbach Josef HDirector 62,514 May 27, 2026
Windsor James BrianSee Remarks, Director 27,046 April 30, 2026

Schedule 13D/13G filings on SEC.gov

All filings on SEC EDGAR

Questions about RNTX

What does Rein Therapeutics, Inc. do?

Rein Therapeutics, Inc. is a company in the Health care sector, listed on NASDAQ as RNTX. Its shares trade on NASDAQ under the ticker RNTX.

What is Rein Therapeutics, Inc.'s net worth?

Rein Therapeutics, Inc. has a market value (market cap) of $49M at the latest share price, and shareholders' equity of $55.2M on its balance sheet at June 30, 2026. A company's "net worth" usually means one of these: what the market pays for all its shares, or its assets minus its liabilities.

Is Rein Therapeutics, Inc. profitable?

No. Over the twelve months to June 30, 2026 it reported a net loss of $49.8M.

How much revenue does Rein Therapeutics, Inc. make?

Over the twelve months to June 30, 2026 Rein Therapeutics, Inc. reported revenue of $0.

When did Rein Therapeutics, Inc. last report?

Its most recent periodic report is the quarterly report (10-Q) filed on August 14, 2026. It covers the period to June 30, 2026. Its newest filing of any kind is the investor disclosure from September 4, 2026.

When is Rein Therapeutics, Inc.'s next earnings report?

Rein Therapeutics, Inc.'s next report is expected around November 13, 2026. That is an estimate from its filing rhythm, not a date the company has announced.

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Where the numbers come from

Financial figures are the values Rein Therapeutics, Inc. tagged in its own SEC filings (XBRL), taken from the latest filing for each period, so restatements replace older figures. Revenue, profit and cash flow are for full fiscal years unless marked as the last twelve months, which is the sum of the four most recent quarters. Where a company reports only the full year, the fourth quarter is the year minus the first three.

Prices are delayed end-of-day market data in the listing currency, and market cap moves with the price. P/E is shown only when earnings per share are positive. Nothing here is investment advice.