SEC Insider Transactions from Diamond Matthew K.

Last updated: 2026-03-24 13:02 UTC | Total transactions: 12

Diamond Matthew K has filed 12 insider transactions across 1 company since January 2023.

Most recent transaction: a grant/award of 3993 shares of Star Equity Holdings, Inc. ($STRR) on March 19, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 19, 2026 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Accounting Officer A Common Stock 3993 $0.00 21,489.0000 5,026,000 22.82% 0.08%
March 19, 2026 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Accounting Officer F Common Stock 551 $9.92 20,938.0000 5,026,000 2.56% 0.01%
May 29, 2025 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 868 $8.66 17,496.0000 4,035,000 4.73% 0.02%
March 7, 2025 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 554 $10.20 18,364.0000 4,033,000 2.93% 0.01%
May 29, 2024 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer A Common Stock. 6290 $0.00 18,918.0000 3,995,000 49.81% 0.16%
March 18, 2024 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 1707 $16.71 12,628.0000 3,896,000 11.91% 0.04%
March 7, 2024 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 539 $14.00 14,335.0000 3,896,000 3.62% 0.01%
Jan. 27, 2024 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 607 $14.80 14,874.0000 3,896,000 3.92% 0.02%
March 17, 2023 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 1627 $21.12 12,038.0000 3,823,000 11.91% 0.04%
March 31, 2023 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer A Common Stock. 3908 $0.00 15,946.0000 3,823,000 32.46% 0.10%
March 31, 2023 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Common Stock. 465 $22.27 15,481.0000 3,823,000 2.92% 0.01%
Jan. 27, 2023 Star Equity Holdings, Inc. $STRR Diamond Matthew K Chief Financial Officer F Share Units 590 $25.09 13,665.0000 3,823,000 4.14% 0.02%