SEC Insider Transactions from Mills Stephen.

Last updated: 2026-03-14 11:39 UTC | Total transactions: 8

Mills Stephen has filed 8 insider transactions across 3 companies since May 2023.

Most recent transaction: a grant/award of 727 shares of Madison Square Garden Sports Corp. ($MSGS) on December 08, 2025.

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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
Dec. 8, 2025 Madison Square Garden Sports Corp. $MSGS Mills Stephen Not found A Restricted Stock Units 727 $0.00 5,347.0000 24,116,000 15.74% 0.00%
June 5, 2025 AMC Networks Inc. $AMCX Mills Stephen Director A Restricted Stock Units 21194 $0.00 29,236.0000 44,438,000 263.54% 0.05%
May 2, 2025 SELECTIVE INSURANCE GROUP INC $SIGI Mills Stephen Director A Common Stock 2025 $0.00 6,515.6532 61,274,000 45.09% 0.00%
Dec. 4, 2024 Madison Square Garden Sports Corp. $MSGS Mills Stephen Not found A Restricted Stock Units 709 $0.00 4,620.0000 24,049,000 18.13% 0.00%
June 12, 2024 AMC Networks Inc. $AMCX Mills Stephen Director A Restricted Stock Units 8042 $0.00 8,042.0000 43,991,000 9999.99% 0.02%
May 3, 2024 SELECTIVE INSURANCE GROUP INC $SIGI Mills Stephen Director A Common Stock 1141 $0.00 4,472.4673 60,969,000 34.25% 0.00%
Dec. 11, 2023 Madison Square Garden Sports Corp. $MSGS Mills Stephen Director A Restricted Stock Units 937 $0.00 3,911.0000 24,194,000 31.51% 0.00%
May 5, 2023 SELECTIVE INSURANCE GROUP INC $SIGI Mills Stephen Director A Common Stock 1065 $0.00 3,317.6703 60,875,000 47.28% 0.00%