Filings (90d)
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Charles Pauling Semba. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Jan Stahlberg - $11.36M in DMAC purchases and sales on record
- Koch Thomas von - $10.00M in DMAC purchases and sales on record
- Richard Jacinto II - $1.40M in DMAC purchases and sales on record
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Charles Pauling Semba?
Charles Pauling Semba is a corporate insider of DiaMedica Therapeutics Inc. (DMAC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Charles Pauling Semba last file a Form 4?
The only primary Form 4 on record is dated 3 June 2026.