InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
T+90 hit rate
30%
T+90 mean return
-5.2%
Across 10 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 Ho Maykin, Director. Insider active across 5 companies, notably Biomarin Pharmaceutical INC. Aggregated, 16 disclosures have been recorded. Activity tracked since 25 May 2021. The latest transaction was filed on 20 May 2025 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations16 total
6,650 shares0Common StockSEC:0001048477-25-000072:0
3,388 shares0Common stockSEC:0001439222-24-000081:0
20,100 shares0Common StockSEC:0001610717-24-000338:0
4,720 shares0Common StockSEC:0001048477-24-000104:0
4,975 shares0Common stockSEC:0001439222-23-000095:0
8,289 shares0Common StockSEC:0001209191-23-036078:0
4,190 shares0Common StockSEC:0001209191-23-031970:0
15,777 shares0Common StockSEC:0001209191-22-038616:0
4,980 shares0Common StockSEC:0001567619-22-011792:0
1,585 shares0Common stockSEC:0001439222-22-000050:0
1,686 shares0Common stockSEC:0001439222-21-000049
1,686 shares0Common stockSEC:0001439222-21-000049:0
4,700 shares0Common StockSEC:0001209191-21-036678:0
4,700 shares0Common StockSEC:0001209191-21-036678
5,120 shares0Common StockSEC:0001567619-21-011306:0
5,120 shares0Common StockSEC:0001567619-21-011306
16 of 16 declarations
About Ho Maykin
Maykin Ho is a Board Member at Biomarin Pharmaceutical Inc, FibroGen Inc, and Agios Pharmaceuticals, Inc. She contributes to the governance of these companies by bringing her expertise to guide strategic decisions.
