Summary
Updated Aug 31, 2026
Larry C. Larsen is Executive Vice President & COO of WILLIAMS COMPANIES, INC. (WMB). 8 SEC Form 4 filings on record going back to 2024, most recently on 15 May 2026. Most recent open-market trade: sold $918K of WMB on 15 May 2026. Lifetime open-market sales: $1.56M.
Recent Transactions
12Every recent SEC Form 4 transaction Larry C. Larsen has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Larry C. Larsen go back to 2024: 8 primary Form 4 filings, an average of 2.7 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 Larry C. Larsen 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.
- Terrance Lane Wilson - $4.31M of WMB open-market activity in the last 12 months
- John Dean Porter - $3.77M of WMB open-market activity in the last 12 months
- Mary A. Hausman - $757K of WMB open-market activity in the last 12 months
- Todd J. Rinke - $548K of WMB open-market activity in the last 12 months
- Payvand Fazel - $212K of WMB open-market activity in the last 12 months
- Glen G. Jasek - $195K of WMB 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 Larry C. Larsen?
Larry C. Larsen is a corporate insider, tracked as Executive Vice President & COO of WILLIAMS COMPANIES, INC. (WMB). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Larry C. Larsen last file a Form 4?
The most recent primary Form 4 on record is dated 15 May 2026, one of 8 filings going back to 2024.
Has Larry C. Larsen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($1.56M) across all tracked filings.
Where can I see all of Larry C. Larsen'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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