InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
100%
T+90 mean return
+15.8%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Ribas Antoni, Director. Director active across 1 company, notably Arcus Biosciences, Inc.. Aggregated, 7 disclosures have been logged. Activity tracked since 3 June 2021. The latest transaction was disclosed on 16 December 2025 (Don). Regulator: SEC (Form 4). All data is openly available.
Declarations7 total
5,700 sharesCommon StockSEC:0001792164-26-000006:0
5,050 shares0Common StockSEC:0001792164-26-000003:0
13,300 shares0Common StockSEC:0001724521-25-000089:0
8,400 shares0Common StockSEC:0001724521-24-000111:0
6,800 shares0Common StockSEC:0001209191-23-038144:0
4,100 shares0Common StockSEC:0001209191-22-037443:0
3,000 shares0Common StockSEC:0001209191-21-038639:0
7 of 7 declarations
About Ribas Antoni
Antoni Ribas serves as a board member at Arcus Biosciences, Inc. He plays a key role in overseeing operations and making strategic decisions for the company. His expertise in biotechnology is essential for ensuring Arcus' growth and sustainability.
