SEC Insider Transactions from MACMILLAN STEPHEN P.

Last updated: 2026-03-14 11:19 UTC | Total transactions: 38

Stephen P. Macmillan, Chairman, President, and CEO of Hologic Inc. ($HOLX), sold about $9.3 million in company shares across three open market transactions over the past year. His most recent sale occurred on September 22, 2025. These sales rank 1,192nd among 11,678 individual insiders in our database, where the average is $8.6 million across roughly 6.4 transactions. Macmillan made no open market purchases during this period.

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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
Nov. 14, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 6874 $74.15 2,570,666.0000 227,573,000 0.27% 0.00%
Nov. 10, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 169582 $0.00 2,584,219.0000 227,573,000 7.02% 0.07%
Nov. 11, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 6679 $74.60 2,577,540.0000 227,573,000 0.26% 0.00%
Nov. 7, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 50405 $74.10 2,414,637.0000 227,573,000 2.04% 0.02%
Nov. 4, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 83589 $0.00 2,465,042.0000 227,573,000 3.51% 0.04%
Sept. 22, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Non-qualified Stock Option (Right to Buy) 138358 $0.00 0.0000 228,186,000 100.00% 0.06%
Sept. 22, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 38700 $67.32 2,381,453.0000 228,186,000 1.60% 0.02%
Sept. 22, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Common Stock 138358 $39.96 2,519,811.0000 228,186,000 5.81% 0.06%
Sept. 22, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 77418 $67.04 2,420,153.0000 228,186,000 3.10% 0.03%
Sept. 22, 2025 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 22240 $66.13 2,497,571.0000 228,186,000 0.88% 0.01%
Nov. 14, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 6860 $77.54 2,381,107.0000 237,553,000 0.29% 0.00%
Nov. 11, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 39677 $0.00 2,387,967.0000 237,553,000 1.69% 0.02%
Nov. 11, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Non-qualified Stock Option (Right to Buy) 117801 $0.00 117,801.0000 237,553,000 9999.99% 0.05%
Nov. 7, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 6214 $79.29 2,416,737.0000 237,553,000 0.26% 0.00%
Nov. 8, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 68447 $78.76 2,348,290.0000 237,553,000 2.83% 0.03%
Nov. 5, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 118560 $0.00 2,422,951.0000 237,553,000 5.14% 0.05%
July 30, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Common Stock 44039 $26.21 2,348,430.0000 238,081,000 1.91% 0.02%
July 30, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Non-qualified Stock Option (Right to Buy) 44039 $0.00 0.0000 238,081,000 100.00% 0.02%
July 30, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 20228 $82.32 2,304,391.0000 238,081,000 0.87% 0.01%
July 30, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 16177 $81.44 2,324,619.0000 238,081,000 0.69% 0.01%
July 30, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 7634 $80.60 2,340,796.0000 238,081,000 0.33% 0.00%
July 17, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Non-qualified Stock Option (Right to Buy) 3672 $0.00 44,039.0000 238,081,000 7.70% 0.00%
July 17, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Common Stock 3672 $26.21 2,308,063.0000 238,081,000 0.16% 0.00%
July 17, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 3672 $80.13 2,304,391.0000 238,081,000 0.16% 0.00%
May 23, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO G Common Stock 57875 $0.00 2,304,042.0000 248,831,000 2.45% 0.02%
May 16, 2024 ILLUMINA, INC. $ILMN MACMILLAN STEPHEN P Director A Common Stock 2622 $0.00 4,129.0000 199,000,000 173.99% 0.00%
April 22, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO G Common Stock 12000 $0.00 2,304,042.0000 248,831,000 0.52% 0.00%
April 19, 2024 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO G Common Stock 12000 $0.00 2,316,042.0000 248,831,000 0.52% 0.00%
Nov. 29, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Common Stock 47711 $26.21 2,351,753.0000 248,831,000 2.07% 0.02%
Nov. 29, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO S Common Stock 47711 $70.41 2,304,042.0000 248,831,000 2.03% 0.02%
Nov. 29, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO M Non-qualified Stock Option (Right to Buy) 47711 $0.00 47,711.0000 248,831,000 50.00% 0.02%
Nov. 14, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 40832 $0.00 2,304,042.0000 248,831,000 1.80% 0.02%
Nov. 14, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Non-qualified Stock Option (Right to Buy) 117829 $0.00 117,829.0000 248,831,000 9999.99% 0.05%
Nov. 8, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 5442 $68.27 2,329,021.0000 248,831,000 0.23% 0.00%
Nov. 9, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 65811 $67.20 2,263,210.0000 248,831,000 2.83% 0.03%
Nov. 6, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO A Common Stock 24133 $0.00 2,338,437.0000 248,831,000 1.04% 0.01%
Nov. 7, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO F Common Stock 3974 $68.37 2,334,463.0000 248,831,000 0.17% 0.00%
Aug. 30, 2023 HOLOGIC INC $HOLX MACMILLAN STEPHEN P Chairman, President and CEO G Common Stock 1064954 $0.00 2,314,304.0000 0 31.51% 0.00%