SEC Insider Transactions from MILLETT MARK D.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 42

MILLETT MARK D has filed 42 insider transactions across 1 company since February 2023.

Most recent transaction: a tax payment of 20625 shares of STEEL DYNAMICS INC ($STLD) on March 13, 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 13, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 20625 $182.19 3,016,701.0000 148,404,000 0.68% 0.01%
March 13, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 46422 $0.00 3,037,326.0000 148,404,000 1.55% 0.03%
Feb. 23, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 2928 $193.39 2,998,991.0000 148,404,000 0.10% 0.00%
Feb. 23, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 2934 $193.39 2,996,057.0000 148,404,000 0.10% 0.00%
Feb. 24, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 5153 $196.01 2,990,904.0000 148,404,000 0.17% 0.00%
Feb. 20, 2026 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO A Common Stock 12662 $0.00 3,001,919.0000 148,404,000 0.42% 0.01%
Nov. 21, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 569 $0.00 2,989,510.0000 147,600,000 0.02% 0.00%
Nov. 21, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 253 $153.11 2,989,257.0000 147,600,000 0.01% 0.00%
May 19, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 37000 $0.00 2,988,941.0000 150,809,000 1.22% 0.02%
May 9, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 500 $0.00 3,025,941.0000 150,809,000 0.02% 0.00%
March 14, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 81171 $0.00 3,062,545.0000 156,136,000 2.72% 0.05%
March 14, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 36104 $119.40 3,026,441.0000 156,136,000 1.18% 0.02%
Feb. 24, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 5159 $130.71 2,985,305.0000 156,136,000 0.17% 0.00%
Feb. 22, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 2937 $130.71 2,990,464.0000 156,136,000 0.10% 0.00%
Feb. 25, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 3931 $133.15 2,981,374.0000 156,136,000 0.13% 0.00%
Feb. 20, 2025 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO A Common Stock 17645 $0.00 2,993,401.0000 156,136,000 0.59% 0.01%
Nov. 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 268 $144.04 2,975,756.0000 154,810,000 0.01% 0.00%
Nov. 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 604 $0.00 2,976,024.0000 154,810,000 0.02% 0.00%
May 17, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 550 $0.00 2,975,420.0000 159,354,000 0.02% 0.00%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO M Stock Appreciation Rights 16426 $0.00 0.0000 167,431,000 100.00% 0.01%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO M Stock Appreciation Rights 34589 $0.00 0.0000 167,431,000 100.00% 0.02%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO D Common Stock 34589 $142.72 2,975,970.0000 167,431,000 1.15% 0.02%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO M Common Stock 34589 $42.83 3,010,559.0000 167,431,000 1.16% 0.02%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO D Common Stock 16426 $142.72 2,975,970.0000 167,431,000 0.55% 0.01%
March 21, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO M Common Stock 16426 $29.13 2,992,396.0000 167,431,000 0.55% 0.01%
March 15, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 119566 $0.00 3,029,212.0000 167,431,000 4.11% 0.07%
March 15, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 53242 $131.48 2,975,970.0000 167,431,000 1.76% 0.03%
Feb. 22, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO A Common Stock 19771 $0.00 2,918,747.0000 167,431,000 0.68% 0.01%
Feb. 24, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 5165 $127.01 2,913,582.0000 167,431,000 0.18% 0.00%
Feb. 25, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 3936 $127.01 2,909,646.0000 167,431,000 0.14% 0.00%
Feb. 1, 2024 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman & CEO F Common Stock 3716 $120.69 2,898,976.0000 167,431,000 0.13% 0.00%
Nov. 21, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 778 $0.00 2,903,039.0000 166,105,000 0.03% 0.00%
Nov. 21, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 347 $111.86 2,902,692.0000 166,105,000 0.01% 0.00%
June 9, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 650 $0.00 2,902,261.0000 172,479,000 0.02% 0.00%
April 6, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 109800 $0.00 2,902,911.0000 172,479,000 3.64% 0.06%
March 31, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 8900 $0.00 3,012,711.0000 184,622,000 0.30% 0.00%
March 31, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO G Common Stock 8900 $0.00 3,012,711.0000 184,622,000 0.29% 0.00%
March 15, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO A Common Stock 129542 $0.00 3,070,525.0000 184,622,000 4.40% 0.07%
March 15, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman and CEO F Common Stock 57814 $120.36 3,012,711.0000 184,622,000 1.88% 0.03%
Feb. 25, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman, President and CEO F Common Stock 3944 $118.50 2,940,983.0000 184,622,000 0.13% 0.00%
Feb. 22, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman, President and CEO A Common Stock 19815 $0.00 2,944,927.0000 184,622,000 0.68% 0.01%
Feb. 1, 2023 STEEL DYNAMICS INC $STLD MILLETT MARK D Chairman, President & CEO F Common Stock 9758 $120.64 2,925,112.0000 184,622,000 0.33% 0.01%