SEC Insider Transactions from Frontczak Mary L.

Last updated: 2026-03-14 11:23 UTC | Total transactions: 18

Frontczak Mary L has filed 18 insider transactions across 1 company since January 2023.

Most recent transaction: a option exercise of 11699 shares of COMPASS MINERALS INTERNATIONAL INC ($CMP) on October 15, 2024.

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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
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Common Stock 11699 $0.00 25,229.0000 41,306,000 86.47% 0.03%
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer F Common Stock 5272 $12.83 19,957.0000 41,306,000 20.90% 0.01%
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer A Restricted Stock Unit 48627 $0.00 48,627.0000 41,306,000 9999.99% 0.12%
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 1160 $0.00 0.0000 41,306,000 100.00% 0.00%
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 3206 $0.00 3,205.0000 41,306,000 50.01% 0.01%
Oct. 15, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 7333 $0.00 14,666.0000 41,306,000 33.33% 0.02%
Jan. 13, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Common Stock 1711 $0.00 14,392.0000 40,786,000 13.49% 0.00%
Jan. 13, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer F Common Stock 862 $20.45 13,530.0000 40,786,000 5.99% 0.00%
Jan. 13, 2024 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 1711 $0.00 0.0000 40,786,000 100.00% 0.00%
Oct. 15, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Common Stock 4365 $0.00 14,648.0000 40,786,000 42.45% 0.01%
Oct. 15, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer F Common Stock 1967 $27.27 12,681.0000 40,786,000 13.43% 0.00%
Oct. 15, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer A Restricted Stock Unit 21999 $0.00 21,999.0000 40,786,000 9999.99% 0.05%
Oct. 15, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 1160 $0.00 1,160.0000 40,786,000 50.00% 0.00%
Oct. 15, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 3205 $0.00 6,411.0000 40,786,000 33.33% 0.01%
Jan. 13, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Common Stock 5377 $0.00 12,011.0000 0 81.05% 0.00%
Jan. 13, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer F Common Stock 1728 $47.01 10,283.0000 0 14.39% 0.00%
Jan. 13, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 3667 $0.00 0.0000 0 100.00% 0.00%
Jan. 13, 2023 COMPASS MINERALS INTERNATIONAL INC $CMP Frontczak Mary L Chief Legal & Admin. Officer M Restricted Stock Unit 1710 $0.00 1,711.0000 0 49.99% 0.00%