Rickenbach Josef H. von - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Rickenbach Josef H. von has filed 1 SEC Form 4 filing across 1 company in the last 90 days - buying. Lifetime open-market purchases: $50K.
Profile

Rickenbach Josef H. von is a corporate insider at Rein Therapeutics, Inc. (RNTX). von has reported 3 insider filings with the SEC since 2024. The most recent filing was in May 2026.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- Rein Therapeutics, Inc.
Trading Pattern
InsiderAlpha's records for Rickenbach Josef H. von go back to 2024: 3 primary Form 4 filings, an average of 1.0 per year. The typical open-market purchase is $12K (4 buys totaling $50K). The largest single buy on record is $24K of RNTX in 2026. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role Rickenbach Josef H. von has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- Insider at Rein Therapeutics, Inc. (RNTX) - 3 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-29 | RNTX | Rein Therapeutics, Inc. | P - Open-market purchase | 4.5K | $1.07 | $5K |
| 2026-05-29 | RNTX | Rein Therapeutics, Inc. | P - Open-market purchase | 23.2K | $1.06 | $24K |
| 2026-05-29 | RNTX | Rein Therapeutics, Inc. | P - Open-market purchase | 15.9K | $1.05 | $17K |
| 2026-05-29 | RNTX | Rein Therapeutics, Inc. | P - Open-market purchase | 3.4K | $1.04 | $4K |
Companies - Last 90 Days
- Rein Therapeutics, Inc. (RNTX) - 1 filing, last 2026-05-29
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades at the companies Rickenbach Josef H. von has recently filed at. Multiple unrelated insiders buying the same stock within a short window - cluster buying - has historically been one of the strongest Form 4 signals.
- Voss Capital, LP - $551K of RNTX open-market activity in the last 12 months
- James Brian Windsor - $25K of RNTX open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Saul B. Rosenthal
- Jack Ross
- Martine A. Rothblatt
- Saba Capital Management, L.P.
- Nicholas S. Schorsch
- Trygve Seglem
- Lawrence B. Seidman
- Thomas J. Shaw
Frequently Asked Questions
Who is Rickenbach Josef H. von?
Rickenbach Josef H. von is a corporate insider at Rein Therapeutics, Inc. (RNTX). von has reported 3 insider filings with the SEC since 2024. The most recent filing was in May 2026.…
How many SEC Form 4 filings has Rickenbach Josef H. von submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Rickenbach Josef H. von been buying or selling stock?
Recorded transactions: 4 open-market purchases ($50K) and 0 open-market sales across all tracked filings.
Where can I see all of Rickenbach Josef H. von's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live Rickenbach Josef H. von profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.