Jonas Fredrik Martensson
Director · High Roller Technologies, Inc.
Individual
- 2024
- May 21, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jonas Fredrik Martensson files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Adam Jonathan Felman - $32K in ROLR purchases and sales in the last 12 months
- Daniel Waldemar Bradtke - $31K in ROLR purchases and sales in the last 12 months
- Seth Adam Young - $12K in ROLR purchases and sales in the last 12 months
- John Milton Francis IV - $9K in ROLR purchases and sales in the last 12 months
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Frequently asked questions
Who is Jonas Fredrik Martensson?
Jonas Fredrik Martensson is a corporate insider, tracked as Director of High Roller Technologies, Inc. (ROLR). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Jonas Fredrik Martensson last file a Form 4?
The most recent primary Form 4 on record is dated 21 May 2026, one of 2 filings going back to 2024.