Summary
Latest filing:
John A. Thorson is SVP/Treasurer of WESTAMERICA BANCORPORATION (WABC). 3 SEC Form 4 filings on record, most recently on 9 July 2025. Most recent open-market trade: sold $109K of WABC on 28 April 2025. Lifetime open-market sales: $109K.
Recent Transactions
1Every recent SEC Form 4 transaction John A. Thorson has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies John A. Thorson 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.
- Robert James Baker Jr. - $41K of WABC open-market activity in the last 12 months
- Inez Wondeh - $3K of WABC 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 John A. Thorson?
John A. Thorson is a corporate insider, tracked as SVP/Treasurer of WESTAMERICA BANCORPORATION (WABC). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did John A. Thorson last file a Form 4?
The most recent primary Form 4 on record is dated 9 July 2025, one of 3 filings going back to 2025.
Has John A. Thorson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($109K) across all tracked filings.
Where can I see all of John A. Thorson'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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