James J. Lerner
President & CEO at Quantum Corporation
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 3 years
- Director since
- 2023
3 years of board service in total across 1 board, counting each seat separately. Longest: Quantum Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Quantum Corporation September 12, 202394.0%
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 21, 2025 | Quantum Corporation | Grant or award | +5,828 | — | — |
| Apr 21, 2025 | Quantum Corporation | Open-market sale | −2,784 | $9.65 | $26,866 |
| Jan 16, 2025 | Quantum Corporation | Open-market sale | −2,511 | $35.68 | $89,592 |
| Nov 8, 2024 | Quantum Corporation | Open-market sale | −6,505 | $4.43 | $28,817 |
| Oct 1, 2024 | Quantum Corporation | Grant or award | +18,750 | — | — |
| Jan 1, 2024 | Quantum Corporation | Grant or award | +200,000 | — | — |
| Oct 10, 2023 | Quantum Corporation | Open-market sale | −36,045 | $0.60 | $21,627 |
| Jul 10, 2023 | Quantum Corporation | Open-market sale | −158,893 | $1.07 | $170,016 |
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