InsidersTradesSigma
Total declarations
Companies
▲ Purchases (2 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
2
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the detailed record of transactions filed by Fichthorn John, Director. Director active across 2 companies, notably QUANTUM CORP /DE/. Aggregated, 6 filings have been logged. Split: 2 buys · 0 sell. Total volume traded: €145k. History available since 11 August 2021. The latest transaction was disclosed on 4 June 2026 (C). Regulator: SEC (Form 4). All data is accessible without signup.
Companies and markets linked to Fichthorn John
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations6 total
11,020,645 shares@ US$5.19440.32% mcap78.0% of flowCommon StockSEC:0001628280-26-041759:0
3,083,975 shares@ US$5.19411.28% mcap21.8% of flowCommon StockSEC:0001628280-26-041759:1
12,000 shares0Common StockSEC:0001628280-26-000742:0
4,405 shares0Common StockSEC:0000709283-25-000013:0
10,000 shares@ US$5.729533.6% of flowCommon StockSEC:0000709283-21-000048:0
Canonical exit: 10 Nov 2021 (T+90)
20,000 shares@ US$5.667166.4% of flowCommon StockSEC:0000709283-21-000047:0
Canonical exit: 9 Nov 2021 (T+90)
6 of 6 declarations
About Fichthorn John
FICHTHORN JOHN is a Director at QUANTUM CORP /DE/. In this role, he contributes to overseeing the company's activities and making strategic decisions. His expertise is essential for guiding QUANTUM CORP in its growth initiatives.
