InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (8 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
8
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the detailed record of transactions filed by Riga Thomas J, Chief Operating Officer. Director active across 3 companies, notably SPECTRUM PHARMACEUTICALS INC. Cumulatively, 12 filings have been logged. Split: 0 buy · 8 sells. Total volume traded: €110k. Activity tracked since 13 May 2021. The latest transaction was disclosed on 21 April 2025 (Disposition). Regulator: SEC (Form 4). The full history is free.
Declarations12 total
60,828 shares@ US$8.55100.0% of flowCommon StockSEC:0001415889-25-011079:0
54,275 shares0Common StockSEC:0001415889-25-001221:0
317,474 sharesCommon Stock, $0.001 par valueSEC:0000899243-23-017669:0
18,153 shares@ US$0.81912.5% of flowCommon Stock, $0.001 par valueSEC:0000950170-23-008618:0
14,607 shares@ US$0.7619.4% of flowCommon Stock, $0.001 par valueSEC:0000899243-23-006110:0
69,389 shares@ US$0.54431.4% of flowCommon Stock, $0.001 par valueSEC:0000899243-23-003144:0
23,929 shares@ US$0.3827.7% of flowCommon Stock, $0.001 par valueSEC:0000899243-23-001066:0
405,040 shares0Common Stock, $0.001 par valueSEC:0001209191-22-039065:0
20,356 shares@ US$0.70530.6% of flowCommon Stock, $0.001 par valueSEC:0001209191-22-019304:0
19,953 shares@ US$0.70328.9% of flowCommon Stock, $0.001 par valueSEC:0001209191-22-012912:0
3,402 shares@ US$3.08620.3% of flowCommon Stock, $0.001 par valueSEC:0001209191-21-032947:0
3,402 shares@ US$3.08620.3% of flowCommon Stock, $0.001 par valueSEC:0001209191-21-032947
12 of 12 declarations
About Riga Thomas J
Thomas J. Riga is the EVP, COO & CCO at Spectrum Pharmaceuticals Inc. He oversees the company's operations and is responsible for commercial strategy. With a strong background in the pharmaceutical sector, Thomas J. Riga is committed to promoting innovation and improving financial outcomes.
