Summary
Updated Aug 31, 2026
Weichai America Corp. is 10% Owner of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). 13 SEC Form 4 filings on record, most recently on 11 September 2025. Most recent open-market trade: sold $2.88M of PSIX on 11 September 2025. Lifetime open-market sales: $100.29M.
Recent Transactions
20Every recent SEC Form 4 transaction Weichai America Corp. has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Weichai America Corp. go back to 2025: 13 primary Form 4 filings, an average of 6.5 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 Stocks
Insiders who reported open-market trades in the last 12 months at the companies Weichai America Corp. 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.
- Constantine Xykis - $717K of PSIX open-market activity in the last 12 months
- Hong He - $691K of PSIX 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
What is Weichai America Corp.?
Weichai America Corp. is a corporate entity, tracked as 10% Owner of POWER SOLUTIONS INTERNATIONAL, INC. (PSIX). InsiderAlpha holds 13 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Weichai America Corp. last file a Form 4?
The most recent primary Form 4 on record is dated 11 September 2025, one of 13 filings going back to 2025.
Has Weichai America Corp. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 97 open-market sales ($100.29M) across all tracked filings.
Where can I see all of Weichai America Corp.'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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