InsidersTradesSigma
Total declarations
Companies
▲ Purchases (5 ops.)
▼ Sales (8 ops.)
Insider track record
Board DirectorDisclosed buys
5
Disclosed sells
8
T+90 hit rate
50%
T+90 mean return
-2.0%
Across 10 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 CHURCHILL WINSTON J, Director. Officer active across 4 companies, notably Amkor Technology, INC.. Cumulatively, 35 filings have been recorded. Split: 5 buys · 8 sells. Total volume traded: €850k. History available since 18 May 2021. The latest transaction was filed on 13 May 2026 (Levée d'options). Regulator: SEC (Form 4). The full history is openly available.
Declarations35 total
9,893 shares0Common StockSEC:0001628280-26-035661
9,893 shares0Common StockSEC:0001628280-26-035661:0
6,017 shares0Common StockSEC:0001047127-25-000107:0
20,000 shares@ US$11.7114.9% of flowCommon StockSEC:0001047127-24-000173:0
8,571 shares0Common StockSEC:0001047127-24-000108:0
227,982 shares@ US$1.1090.9% of flowCommon StockSEC:0001104659-24-044890:0
11,903 shares@ US$36.2028.2% of flowCommon StockSEC:0001047127-24-000059:0
62,500 shares@ US$0.409.1% of flowCommon StockSEC:0001062993-23-017161:0
Ideal exit: 24 May 2024 (T+270)
3,499 shares@ US$6.9022.3% of flowCommon StockSEC:0001104659-23-071168:0
1,556 shares@ US$6.9010.0% of flowCommon StockSEC:0001104659-23-068625:0
300 shares@ US$7.001.9% of flowCommon StockSEC:0001104659-23-066234:0
73,620 sharesCommon StockSEC:0001062993-23-011847:0
8,809 shares0Common StockSEC:0001209191-23-030833:0
1,742 shares0Common StockSEC:0001104659-23-047880:0
20,000 shares@ US$8.5111.3% of flowCommon StockSEC:0001209191-23-010747:0
6,088 shares0Common StockSEC:0001104659-23-001451:0
20,000 shares@ US$9.1712.5% of flowCommon StockSEC:0001209191-22-060522:0
39,473 shares0Common StockSEC:0001062993-22-015130:0
87,500 sharesCommon StockSEC:0001062993-22-013176:0
8,706 shares0Common StockSEC:0001209191-22-030644:0
6,349 shares0Common StockSEC:0001104659-22-001050:0
6,349 shares0Common StockSEC:0001104659-22-001050
20,000 shares@ US$7.310.0007% mcap27.8% of flowCommon StockSEC:0001209191-21-067313:0
20,000 shares@ US$7.319.2% of flowCommon StockSEC:0001209191-21-067313
100,000 shares@ US$0.629342.4% of flowCommon StockSEC:0001192482-21-000676
Ideal exit: 28 May 2022 (T+270)
25 of 35 declarations
About CHURCHILL WINSTON J
Winston J Churchill is an executive at Amkor Technology, Inc.
