Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2025-01-16 Sale |
2025-01-17 9:37 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
2,511 | $35.68 | $89,592 | 107,804 (Direct) |
View |
2024-11-08 Sale(A) |
2025-01-17 9:24 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
3,681 | $4.43 | $16,307 | 110,315 (Direct) |
View |
2024-11-08 Sale |
2024-12-05 4:15 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
6,505 | $4.43 | $28,817 | 107,491 (Direct) |
View |
2023-10-10 Sale |
2023-10-12 5:43 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
36,045 | $0.6041 | $21,775 | 1,704,908 (Direct) |
View |
2023-07-10 Sale |
2023-07-12 4:28 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
158,893 | $1.068 | $169,698 | 1,740,953 (Direct) |
View |
2022-10-11 Sale |
2022-10-12 7:13 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
32,888 | $1.15 | $37,821 | 1,894,811 (Direct) |
View |
2022-09-09 Sale |
2022-09-12 8:35 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
36,251 | $1.5696 | $56,900 | 1,927,699 (Direct) |
View |
2022-07-15 Sale |
2022-07-19 3:56 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
62,152 | $1.4097 | $87,616 | 1,962,993 (Direct) |
View |
2022-01-07 Sale |
2022-01-10 6:12 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
39,670 | $5.3657 | $212,857 | 1,667,656 (Direct) |
View |
2021-09-10 Sale |
2021-09-13 4:56 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
41,012 | $5.4665 | $224,192 | 1,507,326 (Direct) |
View |
2021-07-21 Sale |
2021-07-22 3:25 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
132,125 | $6.121 | $808,737 | 1,545,233 (Direct) |
View |
2021-07-14 Sale |
2021-07-16 3:15 pm |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
65,560 | $6.3974 | $419,414 | 1,677,358 (Direct) |
View |
2020-12-30 Sale |
2020-12-30 7:48 pm |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
35,069 | $5.6326 | $197,530 | 1,300,207 (Direct) |
View |
2020-09-08 Sale |
2020-09-09 4:06 pm |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
67,834 | $5.272 | $357,621 | 1,335,276 (Direct) |
View |
2020-08-31 Sale |
2020-09-02 1:54 pm |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
38,808 | $5.5784 | $216,487 | 1,403,110 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-10-01 Option Award |
2024-10-21 5:17 pm |
N/A N/A |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
18,750 | $0 | 1,923,658 (Direct) |
View |
2024-01-01 Option Award |
2024-04-23 5:27 pm |
N/A N/A |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
200,000 | $0 | 1,904,908 (Direct) |
View |
2022-07-01 Option Award |
2022-07-06 6:02 pm |
N/A 2027-07-01 |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
466,550 | $0 | 2,025,145 (Direct) |
View |
2022-04-22 Exercise |
2022-04-26 7:58 pm |
2022-03-29 2022-04-18 |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
4,445 | $0 | 1,675,145 (Direct) |
View |
2022-04-22 Exercise |
2022-04-26 7:58 pm |
N/A N/A |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
4,445 | $2.25 | 1,675,145 (Direct) |
View |
2021-10-01 Option Award |
2021-10-05 4:48 pm |
N/A 2026-10-01 |
QUANTUM CORP | QMCO | Lerner James J President & CEO |
200,000 | $0 | 1,907,326 (Direct) |
View |
2021-05-11 Option Award |
2021-05-19 08:55 am |
N/A N/A |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
160,000 | $0 | 1,742,918 (Direct) |
View |
2021-05-11 Exercise |
2021-05-19 08:55 am |
N/A 2029-09-06 |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
280,000 | $0 | 1,742,918 (Direct) |
View |
2021-03-11 Exercise |
2021-03-15 5:10 pm |
N/A 2029-09-06 |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
320,000 | $0 | 1,622,918 (Direct) |
View |
2020-07-01 Option Award |
2020-07-02 4:28 pm |
N/A 2025-07-01 |
QUANTUM CORP | QMCO | Lerner James J Pres. & CEO, Chairman of Board |
440,000 | $0 | 1,440,000 (Direct) |
View |