Filings (90d)
Other insiders active in the same stocks
Insiders who have reported open-market trades at the same companies as Frank P. Simpkins. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Weichai America Corp. - $100.29M in PSIX purchases and sales on record
- Gary S. Winemaster - $3.30M in PSIX purchases and sales on record
- Constantine Xykis - $3.21M in PSIX purchases and sales on record
- Hong He - $916K in PSIX purchases and sales on record
- Xun Li - $767K in PSIX purchases and sales on record
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Frank P. Simpkins?
Frank P. Simpkins is a corporate insider of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Frank P. Simpkins last file a Form 4?
The most recent primary Form 4 on record is dated 12 December 2025, one of 4 filings going back to 2024.
Has Frank P. Simpkins been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($1.39M) across all tracked filings.
