Summary
Updated Aug 30, 2026
George Karamanos is EVP, Chief Legal Officer of Digimarc CORP (DMRC). 4 SEC Form 4 filings on record going back to 2024, most recently on 17 February 2026.
Recent Transactions
5Every recent SEC Form 4 transaction George Karamanos has reported, most recent first.
Trading Pattern
InsiderAlpha's records for George Karamanos go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. 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.
Other Insiders Active in the Same Sector
No other insider has filed at George Karamanos's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- SPT Holding Sarl - $206.64M of FLNC open-market activity in the last 12 months
- Peter A. Feld - $192.29M of QRVO open-market activity in the last 12 months
- NASPERS LTD - $191.76M of RELY open-market activity in the last 12 months
- Nikesh Arora - $182.72M of PANW open-market activity in the last 12 months
- Chi Fung Cheng - $179.05M of CRDO open-market activity in the last 12 months
- George Kurtz - $174.13M of CRWD 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 George Karamanos?
George Karamanos is a corporate insider, tracked as EVP, Chief Legal Officer of Digimarc CORP (DMRC). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did George Karamanos last file a Form 4?
The most recent primary Form 4 on record is dated 17 February 2026, one of 4 filings going back to 2024.
Where can I see all of George Karamanos'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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