William H. Armstrong III
Chair of Board, President, CEO, Director · STRATUS PROPERTIES INC
Individual
- 2026
- Mar 17, 2026
- 3
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William H. Armstrong III 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.
- Oasis Management Co Ltd. - $10.10M in STRS purchases and sales in the last 12 months
- James Joseph - $453K in STRS purchases and sales in the last 12 months
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Frequently asked questions
Who is William H. Armstrong III?
William H. Armstrong III is a corporate insider, tracked as Chair of Board, President, CEO, Director of STRATUS PROPERTIES INC (STRS). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William H. Armstrong III last file a Form 4?
The most recent primary Form 4 on record is dated 17 March 2026, one of 3 filings going back to 2026.
