Matthew K. Diamond
Chief Accounting Officer · Star Equity Holdings, Inc.
Individual
- 2025
- Jun 1, 2026
- 3
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Matthew K. Diamond 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.
- Jeffrey E. Eberwein - $1.48M in STRR purchases and sales in the last 12 months
- Todd Michael Fruhbeis - $45K in STRR purchases and sales in the last 12 months
- Louis A. Parks - $27K in STRR purchases and sales in the last 12 months
- Richard Kenneth Coleman Jr. - $19K in STRR purchases and sales in the last 12 months
- Mimi K. Drake - $12K in STRR purchases and sales in the last 12 months
- Jennifer Palmer - $8K in STRR purchases and sales in the last 12 months
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Frequently asked questions
Who is Matthew K. Diamond?
Matthew K. Diamond is a corporate insider, tracked as Chief Accounting Officer of Star Equity Holdings, Inc. (STRR). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Matthew K. Diamond last file a Form 4?
The most recent primary Form 4 on record is dated 1 June 2026, one of 3 filings going back to 2025.
