InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (16 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
16
T+90 hit rate
0%
T+90 mean return
-28.8%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Lerner James J, Chairman & CEO. Director active across 2 companies, notably QUANTUM CORP /DE/. Aggregated, 25 filings have been recorded. Split: 0 buy · 16 sells. Total volume traded: €3.3m. History available since 11 May 2021. The latest transaction was disclosed on 21 April 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations25 total
5,828 shares0Common StockSEC:0000709283-25-000009:0
3,681 shares@ US$4.430.8% of flowCommon StockSEC:0000950170-25-006915:0
2,511 shares@ US$35.684.6% of flowCommon StockSEC:0000950170-25-006931:0
6,505 shares@ US$4.431.4% of flowCommon StockSEC:0000709283-24-000048:0
18,750 shares0Common StockSEC:0000709283-24-000033:0
200,000 shares0Common StockSEC:0000709283-24-000010:0
36,045 shares@ US$0.60411.1% of flowCommon StockSEC:0000709283-23-000053:0
158,893 shares@ US$1.0688.1% of flowCommon StockSEC:0000709283-23-000023:0
32,888 shares@ US$1.152.0% of flowCommon StockSEC:0000709283-22-000046:0
36,251 shares@ US$1.56963.0% of flowCommon StockSEC:0000709283-22-000039:0
62,152 shares@ US$1.40974.6% of flowCommon StockSEC:0000709283-22-000031:0
350,000 shares0Common StockSEC:0000709283-22-000027:0
4,445 shares@ US$2.250.0076% mcap0.6% of flowCommon StockSEC:0000709283-22-000011:0
39,670 shares@ US$5.36570.15% mcap13.2% of flowCommon StockSEC:0000709283-22-000001:0
39,670 shares@ US$5.36570.15% mcap13.3% of flowCommon StockSEC:0000709283-22-000001
200,000 shares0Common StockSEC:0000709283-21-000064:0
200,000 shares0Common StockSEC:0000709283-21-000064
41,012 shares@ US$5.46650.16% mcap13.3% of flowCommon StockSEC:0000709283-21-000059:0
41,012 shares@ US$5.466510.0% of flowCommon StockSEC:0000709283-21-000059
132,125 shares@ US$6.1210.56% mcap48.0% of flowCommon StockSEC:0000709283-21-000037:0
132,125 shares@ US$6.12136.0% of flowCommon StockSEC:0000709283-21-000037
65,560 shares@ US$6.39740.29% mcap24.8% of flowCommon StockSEC:0000709283-21-000035:0
65,560 shares@ US$6.397418.6% of flowCommon StockSEC:0000709283-21-000035
160,000 shares0Common StockSEC:0000709283-21-000020:0
160,000 shares0Common StockSEC:0000709283-21-000020
25 of 25 declarations
About Lerner James J
James J. Lerner is the President and CEO and Chairman of the Board at Quantum Corp. He leads the company in its efforts to innovate and grow in the technology and data sector.
