Summary
Latest filing:
William E. Siwek is President and CEO of TPI COMPOSITES, INC (TPIC). 1 SEC Form 4 filing on record, dated 14 November 2024. Most recent open-market trade: bought $22K of TPIC on 14 November 2024. Lifetime open-market purchases: $22K.
Recent Transactions
1Every recent SEC Form 4 transaction William E. Siwek has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who have reported open-market trades at the same companies as William E. Siwek. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Ryan D. Miller - $22K of TPIC open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William E. Siwek?
William E. Siwek is a corporate insider, tracked as President and CEO of TPI COMPOSITES, INC (TPIC). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did William E. Siwek last file a Form 4?
The only primary Form 4 on record is dated 14 November 2024.
Has William E. Siwek been buying or selling stock?
Recorded transactions: 1 open-market purchase ($22K) and 0 open-market sales across all tracked filings.
Where can I see all of William E. Siwek'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.
Learn More
Follow William E. Siwek and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial
