Summary
Updated Aug 31, 2026
William D. Lee has 1 SEC Form 4 filing on record, dated 3 December 2025. Lifetime open-market purchases: $15K.
Recent Transactions
1Every recent SEC Form 4 transaction William D. Lee has reported, most recent first.
- ISQ Open Infrastructure Co LLCP - Open-market purchase
620 shares @ $25.00$15K
Trading Pattern
InsiderAlpha's records for William D. Lee go back to 2025: 1 primary Form 4 filing, an average of 0.5 per year. The typical open-market purchase is $15K (1 buy totaling $15K). 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.
Most Active Insiders Right Now
William D. Lee has no co-filers on record, so these are insiders with the largest open-market activity across the market in the last 90 days.
- INNOVEX CO-INVEST FUND, L.P. - $143.55M of INVX open-market activity in the last 90 days
- Amberjack Capital Partners, L.P. - $143.55M of INVX open-market activity in the last 90 days
- David A. Duffield - $142.10M of WDAY open-market activity in the last 90 days
- Travis Boersma - $136.26M of BROS open-market activity in the last 90 days
- SRB CORP - $135.04M of SAFT open-market activity in the last 90 days
- Coliseum Capital Management, LLC - $124.20M of UTI open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William D. Lee?
William D. Lee is a corporate insider, tracked as Director. InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did William D. Lee last file a Form 4?
The only primary Form 4 on record is dated 3 December 2025.
Has William D. Lee been buying or selling stock?
Recorded transactions: 1 open-market purchase ($15K) and 0 open-market sales across all tracked filings.
Where can I see all of William D. Lee'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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