InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (8 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
8
T+90 hit rate
0%
T+90 mean return
-16.0%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the complete record of transactions filed by D'Ambrosio Lance Varro, Director. Officer active across 2 companies, notably Riot Blockchain, Inc.. Cumulatively, 17 filings have been logged. Split: 0 buy · 8 sells. Total volume traded: €1.5m. History available since 6 December 2021. The latest transaction was filed on 1 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations17 total
8,347 shares0Common StockSEC:0001611745-26-000004:0
25,000 shares@ US$7.001415.0% of flowCommon StockSEC:0001415889-24-023622:0
24,000 shares0Common StockSEC:0001415889-24-019231:0
32,000 shares0Common StockSEC:0001415889-24-000468:0
26,000 shares@ US$19.1642.2% of flowCommon StockSEC:0001415889-23-011350:0
26,000 shares@ US$12.5128.3% of flowCommon StockSEC:0001415889-23-006717:0
26,000 shares@ US$6.388514.6% of flowCommon StockSEC:0001415889-23-001219:0
26,000 shares@ US$6.9738.7% of flowCommon StockSEC:0001079973-22-001384:0
6,250 shares0Common StockSEC:0001079973-22-001210:0
6,250 shares0Common StockSEC:0001079973-22-001201:0
10,000 shares@ US$6.6914.3% of flowCommon StickSEC:0001553350-22-000738:0
11,250 shares0Common StockSEC:0001079973-22-001053:0
2,500 shares0Common StockSEC:0001079973-22-000303:0
5,000 shares@ US$24.980.0012% mcap50.0% of flowCommon StockSEC:0001079973-21-001247:0
5,000 shares@ US$24.9823.5% of flowCommon StockSEC:0001079973-21-001247
5,000 shares0Common StockSEC:0001079973-21-001211
5,000 shares0Common StockSEC:0001079973-21-001211:0
17 of 17 declarations
About D'Ambrosio Lance Varro
Lance Varro D'Ambrosio is a Board Member of Riot Blockchain, Inc. He contributes to the governance and strategy of the company, ensuring that decisions are made in the best interest of shareholders. His expertise in blockchain technology is valuable for the company's development.
