Melissa M. Miller

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
6 years
Director since
2023

6 years of board service in total across 2 boards, counting each seat separately. Longest: Compass Minerals Intl Inc, 3 years.

3 years ยท Since 2023
Metallus Inc. Director
2 years ยท Since 2024

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Apr 30, 2026 Metallus Inc. Grant or award +7,090 โ€” โ€”
Mar 5, 2026 Compass Minerals Intl Inc Option exercise +11,905 โ€” โ€”
Dec 31, 2025 Compass Minerals Intl Inc Grant or award +1,433 โ€” โ€”
Sep 30, 2025 Compass Minerals Intl Inc Grant or award +1,465 โ€” โ€”
Jun 30, 2025 Compass Minerals Intl Inc Grant or award +1,400 โ€” โ€”
May 7, 2025 Metallus Inc. Grant or award +9,305 โ€” โ€”
Mar 31, 2025 Compass Minerals Intl Inc Grant or award +3,028 โ€” โ€”
Mar 5, 2025 Compass Minerals Intl Inc Option exercise +5,685 โ€” โ€”
Dec 31, 2024 Compass Minerals Intl Inc Grant or award +2,500 โ€” โ€”
Sep 30, 2024 Compass Minerals Intl Inc Grant or award +2,340 โ€” โ€”
Jun 28, 2024 Compass Minerals Intl Inc Grant or award +2,723 โ€” โ€”
May 7, 2024 Metallus Inc. Grant or award +5,770 โ€” โ€”
Mar 31, 2024 Compass Minerals Intl Inc Grant or award +1,787 โ€” โ€”
Feb 15, 2024 Compass Minerals Intl Inc Option exercise +2,989 โ€” โ€”
Dec 31, 2023 Compass Minerals Intl Inc Grant or award +1,111 โ€” โ€”

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