InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
1
T+90 hit rate
57%
T+90 mean return
-1.6%
Across 7 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by Greenman William Mariner, Chairman & CEO. Director active across 2 companies, notably CERUS CORP. Aggregated, 15 disclosures have been published. Breakdown: 0 buy · 1 sell. Total volume traded: €95k. History available since 3 August 2021. The latest transaction was disclosed on 13 March 2025 (Cession). Regulator: SEC (Form 4). The full history is free.
Declarations15 total
71,086 shares@ US$1.455.5% of flowCommon StockSEC:0000950170-25-040451:0
975,000 shares0Common StockSEC:0000950170-25-036678:0
57,637 sharesCommon StockSEC:0000950170-25-034075:0
64,666 sharesCommon StockSEC:0001209191-24-004848:0
575,000 shares0Restricted Stock UnitSEC:0001209191-24-004443:0
23,643 sharesCommon StockSEC:0001209191-23-045420:0
3,300 sharesCommon StockSEC:0001209191-23-033191:0
107,525 sharesCommon StockSEC:0001209191-23-018683:0
575,000 shares0Restricted Stock UnitSEC:0001209191-23-015762:0
151,666 sharesCommon StockSEC:0001209191-22-019066:0
380,000 shares@ US$3.750.32% mcap78.4% of flowCommon StockSEC:0001209191-22-014447:0
1,663 shares@ US$2.6050.0% of flowCommon StockSEC:0001209191-21-061428:0
1,663 shares@ US$2.6050.0% of flowCommon StockSEC:0001209191-21-061428
100,000 shares@ US$2.080.044% mcap10.8% of flowCommon StockSEC:0001209191-21-049989:0
100,000 shares@ US$2.0810.2% of flowCommon StockSEC:0001209191-21-049989
15 of 15 declarations
About Greenman William Mariner
William Mariner Greenman is the President and CEO of CERUS CORP and CHINOOK THERAPEUTICS, INC. He leads these companies by defining their strategic vision and overseeing their operations. His experience is a significant asset for their growth.
