CHURCHILL WINSTON J

SEC Form 4 insider trading activity

CHURCHILL WINSTON J has filed 5 SEC Form 4 filings (7 transaction rows) across 1 company, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Jul 31, 2026.

On the most recent filing, CHURCHILL WINSTON J is listed as Director at AMKOR TECHNOLOGY, INC. Inside the rolling window, CHURCHILL WINSTON J reported no open-market purchases and 3 open-market sales totaling $1.1M in AMKR. The largest disclosed transaction in the window is a sale of 7,000 AMKR shares on May 5, 2026, worth $535K.

Companies traded

Other insiders at AMKR

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$1.1M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
AMKR
CHURCHILL WINSTON J
Sale$391KJun 16SEC ↗
AMKR
CHURCHILL WINSTON J
Sale$535KMay 7SEC ↗
AMKR
CHURCHILL WINSTON J
Sale$221KDec 17SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has CHURCHILL WINSTON J made?

CHURCHILL WINSTON J has filed 5 SEC Form 4 filings (7 transaction rows) across 1 company since 2025.

Which companies does CHURCHILL WINSTON J trade?

CHURCHILL WINSTON J has filed SEC Form 4 disclosures for 1 company, including AMKR.

When was CHURCHILL WINSTON J's most recent SEC Form 4 filing?

CHURCHILL WINSTON J's most recent SEC Form 4 filing on Tracefour is dated Jul 31, 2026.

What is CHURCHILL WINSTON J's total buy and sell value in the current window?

Inside the rolling retention window, CHURCHILL WINSTON J bought $0 and sold $1.1M based on SEC Form 4 filings.

What was CHURCHILL WINSTON J's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 7,000 AMKR shares on 2026-05-05, worth $535K, per SEC Form 4 filings.