InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (0 ops.)
Insider track record
OtherDisclosed buys
2
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+57.3%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Weis Holger. Officer active across 3 companies, notably Ziopharm Oncology INC. In total, 9 disclosures have been logged. Split: 2 buys · 0 sell. Total volume traded: €155k. History available since 4 March 2021. The latest transaction was filed on 22 May 2026 (Attribution). Regulator: SEC (Form 4). The full history is free.
Declarations9 total
3,880 sharesCommon StockSEC:0001193125-26-295004:0
7,761 sharesCommon StockSEC:0001193125-26-274305:0
3,700 shares@ US$2.370.12% mcap100.0% of flowCommon StockSEC:0001193125-26-241999:0
10,781 sharesCommon Stock, par value $0.0001 per shareSEC:0001493152-25-003549:0
40,000 shares0Common StockSEC:0000899243-22-023977:0
50,000 shares@ US$1.8350.0% of flowCommon StockSEC:0001209191-21-054828:0
Ideal exit: 29 May 2022 (T+270)
50,000 shares@ US$1.8350.0% of flowCommon StockSEC:0001209191-21-054828
Ideal exit: 29 May 2022 (T+270)
4,167 shares0Common StockSEC:0001209191-21-030746
4,167 shares0Common StockSEC:0001209191-21-030746:0
9 of 9 declarations
About Weis Holger
Weis Holger is a director at Ziopharm Oncology INC and Alaunos Therapeutics, Inc.
