WaveMan
WaveMan · Company
RNTX · Rein Therapeutics, Inc.
> Search tickers & screens ⌘K
LIVE
← All companies

RNTX Rein Therapeutics (RNTX) Insider Trading, Ownership & Congress Trades

Pharma & Biotech · Pharmaceutical preparations · CIK 0001420565
Quote by TradingView
SEC filings
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
40
13F, latest reported quarter

What the filings say about RNTX

Insiders, 180 days
+$49.7K net bought
1 buyer

Rein Therapeutics insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and conversions excluded.

Over the last 180 days, Rein Therapeutics, Inc. insiders bought a net $49.7K of stock across 10 Form 4 purchases and sales, with 1 insider buying. Source: SEC Form 4 filings, as of 2026-10-28.

Insider
Filed
Shares
Value
Since filing
VON RICKENBACH JOSEF H
Director
BUY
2026-05-28 SECtraded 2026-05-27
4,500
$4.8K
-47.5%
Context
  • 3 earlier Form 4 trades (code P or S) here by this insider (3 buys), the last on May 26, 2026.
  • -23.8% median (-24.0% mean) 90-day return after 3 previous buys.
  • The trade is 7.2% of the 62,514 shares held after it.
  • 1 other insider bought within 30 days.
  • 40 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director VON RICKENBACH JOSEF H bought about $4.8K of RNTX on May 27, 2026; 1 other insider bought within 30 days and 40 funds added in the latest 13F quarter.
VON RICKENBACH JOSEF H
Director
BUY
2026-05-28 SECtraded 2026-05-26
23,190
$24.6K
-47.5%
Context
  • 2 earlier Form 4 trades (code P or S) here by this insider (2 buys), the last on May 22, 2026.
  • -23.4% median (-23.4% mean) 90-day return after 2 previous buys.
  • The trade is 40.0% of the 58,014 shares held after it.
  • 1 other insider bought within 30 days.
  • 40 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director VON RICKENBACH JOSEF H bought about $24.6K of RNTX on May 26, 2026; 1 other insider bought within 30 days and 40 funds added in the latest 13F quarter.
VON RICKENBACH JOSEF H
Director
BUY
2026-05-28 SECtraded 2026-05-22
15,950
$16.7K
-47.5%
Context
  • 1 earlier Form 4 trade (code P or S) here by this insider (1 buy), the last on May 21, 2026.
  • The trade is 45.8% of the 34,824 shares held after it.
  • 1 other insider bought within 30 days.
  • 40 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director VON RICKENBACH JOSEF H bought about $16.7K of RNTX on May 22, 2026; 1 other insider bought within 30 days and 40 funds added in the latest 13F quarter.
VON RICKENBACH JOSEF H
Director
BUY
2026-05-28 SECtraded 2026-05-21
3,420
$3.6K
-47.5%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 18.1% of the 18,874 shares held after it.
  • 1 other insider bought within 30 days.
  • 40 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Director VON RICKENBACH JOSEF H bought about $3.6K of RNTX on May 21, 2026; 1 other insider bought within 30 days and 40 funds added in the latest 13F quarter.
WINDSOR JAMES BRIAN
See Remarks
BUY
2026-05-13 SECtraded 2026-04-30
25,000
$25.0K
-48.4%
Context
  • First Form 4 purchase or sale (code P or S) here by this insider on our record.
  • The trade is 92.4% of the 27,046 shares held after it.
  • 1 other insider bought within 30 days.
  • 40 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: See Remarks WINDSOR JAMES BRIAN bought about $25.0K of RNTX on Apr 30, 2026; 1 other insider bought within 30 days and 40 funds added in the latest 13F quarter.
10 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 5 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net +$49.7K over 180 days
more than 72% of Pharma & Biotech
Congress
no House purchase disclosed in the last 12 months
Funds
40 funds bought in last quarter
below 57% of Pharma & Biotech
Revenue
no revenue reported in any filing
Margin
no margin: no revenue reported
Buybacks
no share repurchases reported
Short interest
0.9% of the float short (float per yahoo 2026-10-27) · 1.1 days to cover · settled 2026-10-15
below 77% of Pharma & Biotech
What changed in the last 30 days
Oct 28Insider buying stopped: no purchases in 90 days after 4 in the prior 90
Why it matters
The absence is the signal: 4 purchases in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch RNTX

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
-53.7%12M
-56%-21%+14%+49%2025-102025-122026-022026-042026-062026-082026-10 2025-10-28 · Voss Value-Oriented Special Situations Fund, LP bought $248.0K2025-11-14 · Voss Value Master Fund, LP bought $127.1K2025-10-27 · Voss Value-Oriented Special Situations Fund, LP bought $126.9K2025-10-24 · Voss Value-Oriented Special Situations Fund, LP bought $41.9K2026-04-30 · WINDSOR JAMES BRIAN bought $25.0K2026-05-26 · VON RICKENBACH JOSEF H bought $24.6K2026-05-22 · VON RICKENBACH JOSEF H bought $16.7K2025-10-27 · Voss Value-Oriented Special Situations Fund, LP bought $6.6K2026-05-27 · VON RICKENBACH JOSEF H bought $4.8K2026-05-21 · VON RICKENBACH JOSEF H bought $3.6K
Insider buy
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns RNTX: institutional holders (13F)

13F holdings, latest reported quarter
Voss Capital, LP
5,261,921 sh
$5.5M
Cable Car Capital, LP
5,195,000 sh
$5.4M
ADAR1 Capital Management, LLC
4,500,000 sh
$4.7M
VANGUARD CAPITAL MANAGEMENT LLC
3,377,910 sh
$3.5M
BIOS Capital Management, LP
2,982,375 sh
$3.1M

Congress trades in RNTX

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

RNTX planned insider sales (Form 144)

No planned-sale notices
No insider has filed to sell. Watch this after a run-up.

RNTX mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
iShares Micro-Cap ETF
$90.5K position · as of 2026-06-30
0.0%
1290 VT Micro Cap Portfolio
$6.0K position · as of 2026-06-30
0.0%
VANGUARD EXTENDED MARKET INDEX FUND
$817.0K position · as of 2026-06-30
0.0%
Fidelity Nasdaq Composite Index ETF
$83.9K position · as of 2026-05-31
0.0%
Fidelity Extended Market Index Fund
$146.0K position · as of 2026-05-31
0.0%
VANGUARD TOTAL STOCK MARKET INDEX FUND
$2.6M position · as of 2026-06-30
0.0%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Clinical pipeline
3 registered trials, 1 still running (ClinicalTrials.gov). A status change is dated here weeks before the press release.
1
Phase 1
0 active
2
Phase 2
1 active
Matched by sponsor name. Trials run under a subsidiary's own name are not included.
Executive pay vs shareholder return · Manuel CAlves Aivado
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2023
$630.7K
$640.5K
$417.9K
-71%
n/a
2022
$1.2M
$243.0K
$559.0K
n/a
n/a
Tagged by the company under SEC Item 402(v). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
Insiders are net buyers of their own stock.
The record shows a net $49.7K bought by insiders over 180 days, 40 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector by SEC SIC code
UTHRCPIXMRNAREGNLLYALNYMDGLCITRDNAVRTXNUVLTWST

RNTX financials

Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$0
four quarters, 2025-07-01 to 2026-06-30
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Free cash flow, TTM
-$19.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Debt to equity
n/a
no debt line filed
Cash flow to debt
n/a
no debt line filed
Return on equity
-96.5%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets
-80.7%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on capital employed
-93.3%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
n/a
no debt line filed
FCF yield
-37.8%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
2025-122024-122023-122022-12
Revenue$0$0$0$0
Operating income-$50.6M-$65.1M-$16.3M-$27.6M
Net income-$49.9M-$62.9M-$15.7M-$27.3M
EPS (diluted)-1.96-3.51-3.42-6.02
Operating cash flow-$19.4M-$22.3M-$19.8M-$24.9M
Cash$3.2M$12.9M$17.3M$5.2M
SEC XBRL, fiscal years, as known on 2026-10-28

RNTX Stock Sonar score 4/7 axes

Find similar shapesCompare

RNTX ranks highest on risk and compliance (87th percentile) and insider conviction (64th), and lowest on profitability (30th), among Pharma & Biotech peers.

Profitability
30
Inputs
  • Return on equity-96.5% · 34 pct, sector of 545
  • Return on assets-80.7% · 29 pct, sector of 691
  • Return on invested capitaltax provision or pre-tax income not filed for the four quarters
  • Return on capital employed-93.3% · 28 pct, sector of 576
Insider conviction
64
Inputs
  • Net Form 4 buying (codes P and S), 180d$50K · 72 pct, sector of 429
  • Insider buyers, 180d1 · 56 pct, sector of 438
Institutional and government
43
Inputs
  • Funds adding, latest quarter40 · 43 pct, sector of 698
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
87
Inputs
  • Short interest, % of float+0.9% · 81 pct, sector of 816
  • Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
  • EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
  • New text in Risk Factors, latest 10-K+2.4% · 94 pct, sector of 511
3 not measured: Financial health, Growth, US patents
  • Financial health needs 1 of 2 inputs, 0 present: no debt line filed
  • Growth needs 1 of 2 inputs, 0 present: no backlog line filed, or no year-earlier backlog; no revenue for this year and the year before
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

4 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

RNTX filings, in plain words

Are Rein Therapeutics insiders buying or selling RNTX?

In the 180 days to 2026-10-28, Rein Therapeutics insiders were net buyers, a net $49.7K across purchases and sales reported on Form 4, by 1 buyer.

Read the full summary

In the 180 days to 2026-10-28, Rein Therapeutics insiders were net buyers of RNTX, a net $49.7K across purchases and sales reported on Form 4 by 1 buyer. Each figure is counted from SEC and House filings as of 2026-10-28, dated the day the filing was made public.

Explore insider trading and ownership data

Every company we track, ranked by each kind of filing
Insider buyingInsider sellingCongress stock tradesActivist 13D stakesForm 144 planned salesCEO pay vs performanceAll companies