Summary
Updated Aug 31, 2026
William C. Kirby files SEC Form 4 reports at TAIWAN FUND INC (TWN). 2 SEC Form 4 filings on record, most recently on 28 February 2026. Most recent open-market trade: bought $3.29M of TWN on 28 February 2026. Lifetime open-market purchases: $3.29M.
Recent Transactions
2Every recent SEC Form 4 transaction William C. Kirby 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 William C. Kirby 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.
- Sean D. Keohane - $8.18M of CBT open-market activity in the last 12 months
- Shelley E. Rigger - $12K of TWN 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 William C. Kirby?
William C. Kirby is a corporate insider of TAIWAN FUND INC (TWN). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William C. Kirby last file a Form 4?
The most recent primary Form 4 on record is dated 28 February 2026, one of 2 filings going back to 2026.
Has William C. Kirby been buying or selling stock?
Recorded transactions: 1 open-market purchase ($3.29M) and 0 open-market sales across all tracked filings.
Where can I see all of William C. Kirby'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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