InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (12 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
12
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
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, 19 filings have been recorded. Split: 0 buy · 12 sells. Total volume traded: €1.9m. 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.
Companies and markets linked to Lerner James J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations19 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$5.365713.2% of flowCommon StockSEC:0000709283-22-000001:0
200,000 shares0Common StockSEC:0000709283-21-000064:0
41,012 shares@ US$5.466513.3% of flowCommon StockSEC:0000709283-21-000059:0
132,125 shares@ US$6.12148.0% of flowCommon StockSEC:0000709283-21-000037:0
65,560 shares@ US$6.397424.8% of flowCommon StockSEC:0000709283-21-000035:0
160,000 shares0Common StockSEC:0000709283-21-000020:0
19 of 19 declarations
About Lerner James J
Lerner James J is President-Director General and President & CEO at QUANTUM CORP /DE/ and QUANTUM CORP, both on XNAS. He has made 19 filings in total, and across the sampled recent filings from 2021-05-19 to 2025-04-23, the modal transaction nature is sell, with EUR 0 in purchases and EUR 1,904,981 in sales.
