Michael John Turner

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
4 years
Director since
2024

4 years of board service in total across 2 boards, counting each seat separately. Longest: Lineage Inc., 2 years.

Lineage Inc. Director
2 years · Since 2024
1 year · Since 2025

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Jul 1, 2026 Riot Platforms Inc. Grant or award +8,347 — —
Jun 9, 2026 Lineage Inc. Grant or award +4,490 — —
Jul 11, 2025 Riot Platforms Inc. Grant or award +16,103 — —
Jun 18, 2025 Lineage Inc. Grant or award +4,490 — —
Feb 21, 2025 Riot Platforms Inc. Grant or award +12,000 — —
Jul 26, 2024 Lineage Inc. Grant or award +2,632 — —

Questions about Michael John Turner

What boards is Michael John Turner on?

Michael John Turner sits on the boards of Lineage Inc. and Riot Platforms Inc.

How long has Michael John Turner served on boards?

Our records show at least 4 years of board service across 2 boards, the earliest from 2024.

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