Pappis Charles C
SEC Form 4 insider trading activity
Pappis Charles C has filed 2 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Apr 21, 2026.
On the most recent filing, Pappis Charles C is listed as Director at ACM Research, Inc. Inside the rolling window, Pappis Charles C reported no open-market purchases and 2 open-market sales totaling $510K in ACMR. The largest disclosed transaction in the window is a sale of 5,000 ACMR shares on Apr 17, 2026, worth $260K.
Companies traded
Other insiders at ACMR
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$510K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Pappis Charles C made?
Pappis Charles C has filed 2 SEC Form 4 filings (4 transaction rows) across 1 company since 2026.
Which companies does Pappis Charles C trade?
Pappis Charles C has filed SEC Form 4 disclosures for 1 company, including ACMR.
When was Pappis Charles C's most recent SEC Form 4 filing?
Pappis Charles C's most recent SEC Form 4 filing on Tracefour is dated Apr 21, 2026.
What is Pappis Charles C's total buy and sell value in the current window?
Inside the rolling retention window, Pappis Charles C bought $0 and sold $510K based on SEC Form 4 filings.
What was Pappis Charles C's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 5,000 ACMR shares on 2026-04-17, worth $260K, per SEC Form 4 filings.