// company-profile
Rein Therapeutics, Inc.
RNTX// activity-summary
Recent insider activity is bullish. Over the last 30 days, 2 insiders purchased shares (net $29K). Buying was led by VON RICKENBACH JOSEF H.
// 90-day insight
Over the last 90 days, Rein Therapeutics, Inc. insiders bought $75K across 6 transactions with no open-market sales.
- Most active insider: VON RICKENBACH JOSEF H with 4 transactions totaling $50K.
- Largest single purchase: $25K by WINDSOR JAMES BRIAN on Apr 30, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Rein Therapeutics, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 27, 2026 | VON RICKENBACH JOSEF H | RNTX | Purchase | 4,500 | $1.07 | $5K |
| May 26, 2026 | VON RICKENBACH JOSEF H | RNTX | Purchase | 23,190 | $1.06 | $24K |
| May 22, 2026 | VON RICKENBACH JOSEF H | RNTX | Purchase | 15,950 | $1.05 | $17K |
| May 21, 2026 | VON RICKENBACH JOSEF H | RNTX | Purchase | 3,420 | $1.04 | $4K |
| May 8, 2026 | WINDSOR JAMES BRIAN | RNTX | Award | 150,000 | $0.00 | $0K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.