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Who

Josef H. Von Rickenbach

Director

Company insider

Files Form 4 as: Director, Rein Therapeutics; Other, Virgin Orbit Holdings; Chairman & CEO, Parexel International.

Every Form 4 they filed

In numbers

Trades disclosed
1,077
Buys
11
Sells
61
Bought
$500K
Sold
$29.7M
Companies
3
Companies where not an officer
2
First trade
26 May 2006
Last trade
27 May 2026
Last filed
28 May 2026

Companies traded

Where they are an officer
Parexel InternationalDirector, Officer · last 29 Sep 20170 buys · 61 sells
Everywhere else they filed: board seats, 10% stakes, other companies
RNTX Rein TherapeuticsDirector · Biotechnology · last 27 May 202611 buys · 0 sells
Virgin Orbit HoldingsOther · last 29 Dec 20210 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
04Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
27 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$4,8194,500 at $1.07filing
27 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$4,8154,500 at $1.07filing
26 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$24K23,190 at $1.06filing
26 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$25K23,190 at $1.06filing
22 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$17K15,950 at $1.05filing
22 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$17K15,950 at $1.05filing
21 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$3,5643,420 at $1.04filing
21 May 2026filed 28 May 2026RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$3,5573,420 at $1.04filing
23 Jul 2025filed 23 Jul 2025RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—17,500 at $0.00filing
2 Dec 2024filed 6 Dec 2024RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,000 at $0.00filing
20 Aug 2024filed 22 Aug 2024RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,725 at $0.00filing
28 Feb 2024filed 10 Apr 2024RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,725 at $0.00filing
28 Feb 2024filed 1 Mar 2024RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—2,725 at $0.00filing
15 Jun 2022filed 17 Jun 2022RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—54,500 at $0.00filing
29 Dec 2021filed 3 Jan 2022Virgin Orbit HoldingsSEC FORM 4 Code A$1.3M125,000 at $10.00filing
15 Jun 2021filed 17 Jun 2021RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—96,000 at $0.00filing
17 Jun 2020filed 18 Jun 2020RNTX Rein Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—12,500 at $0.00filing
8 Jun 2020filed 9 Jun 2020RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$250K227,272 at $1.10filing
13 Sep 2019filed 16 Sep 2019RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$24K25,000 at $0.97filing
12 Sep 2019filed 16 Sep 2019RNTX Rein TherapeuticsBiotechnologySEC FORM 4 Bought$86K88,145 at $0.98filing

The newest 500 lines are listed; the numbers count every line.

News

No headline names them, or the companies they trade most, lately.

Sectors

Health Care11
Not placed61

Buys in green, sells in red, by the company’s sector.

Related people

Nobody else traded the same names lately.