Summary
Updated Aug 30, 2026
Dennis E. Hruby is EVP & Chief Scientific Officer of SIGA TECHNOLOGIES INC (SIGA). 2 SEC Form 4 filings on record going back to 2025, most recently on 17 March 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Dennis E. Hruby has reported, most recent first.
Other Insiders Active in the Same Sector
No other insider has filed at Dennis E. Hruby's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Keith A. Meister - $533.93M of ILMN open-market activity in the last 12 months
- TPG GP A, LLC - $516.71M of LFST open-market activity in the last 12 months
- BERKSHIRE HATHAWAY INC - $473.67M of DVA open-market activity in the last 12 months
- Fairmount Funds Management LLC - $399.66M of SYRE open-market activity in the last 12 months
- Robert M. Williams Jr. - $371.84M of AVAH open-market activity in the last 12 months
- Paul R. Vigano - $371.84M of AVAH open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Dennis E. Hruby?
Dennis E. Hruby is a corporate insider, tracked as EVP & Chief Scientific Officer of SIGA TECHNOLOGIES INC (SIGA). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Dennis E. Hruby last file a Form 4?
The most recent primary Form 4 on record is dated 17 March 2026, one of 2 filings going back to 2025.
Where can I see all of Dennis E. Hruby'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.
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