Rein Therapeutics, Inc. (RNTX)
Nasdaq: RNTX · Pharmaceutical Preparations · Austin, TX · filing with the SEC since 2007
Who owns Rein Therapeutics, Inc.
As filed with the SECHolders of 5% or more
5
Bios Capital Management, LP holds 9.99% of Common Stock, $0.001 par value per share, as its SCHEDULE 13G/A filed May 8, 2026 says.
Directors and officers
6
report now, of 27 people on the record since 2017. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 5 named at left.
Holders of 5% or moreshare of the class, as filed
Bios Capital Management, LP
SCHEDULE 13G/A · filed May 8, 2026 · Common Stock, $0.001 par value per share
Funicular Funds, LP
SCHEDULE 13G · filed May 7, 2026 · Common Stock, par value $0.001
Voss Capital, LP
SCHEDULE 13G/A · filed Jul 14, 2026 · Common Stock, $0.001 par value · 17% in Feb 13, 2026
ADAR1 Capital Management, LLC
SCHEDULE 13G · filed Aug 14, 2026 · Common Stock, $0.001 par value per share
Lynwood Capital Management Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, $0.001 par value per share · 6.1% in May 8, 2026
Lytton Laurence W
SCHEDULE 13G/A · filed Aug 13, 2026 · Common Stock · reported falling below 5%, from 5.8% in May 6, 2026
University Of Texas/texas Am Investment Management Co
SCHEDULE 13G/A · filed Nov 5, 2024 · Common Stock, par value $0.001 per share · reported falling below 5%
What RNTX reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Lung Acquisition
A company bought · acquisition · owns, named in the 10-K filed Mar 26, 2026
Insider tradesForm 4
0sales
5purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window4 of 47 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Von Rickenbach Josef H | director | 0 | $0 | 0 | 4 | $0 |
| Voss Value-Oriented Special Situations Fund, LP | 10% owner | 0 | $0 | 0 | 4 | $400,000 |
| Windsor James Brian | President and Chief Executive Officer | 0 | $0 | 0 | 1 | $0 |
| Voss Value Master Fund, LP | 10% owner | 0 | $0 | 0 | 1 | $100,000 |