Louis Berkman Investment CO

SEC Form 4 insider trading activity

Louis Berkman Investment CO has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Nov 26, 2025.

On the most recent filing, Louis Berkman Investment CO is listed as 10% Owner at AMPCO PITTSBURGH CORP. Inside the rolling window, Louis Berkman Investment CO reported 1 open-market purchase totaling $248K in AP and no open-market sales.

Companies traded

Other insiders at AP

Insider Buying

$248K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

1

in the rolling window

Source
APPurchase$248KNov 26SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Louis Berkman Investment CO made?

Louis Berkman Investment CO has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2025.

Which companies does Louis Berkman Investment CO trade?

Louis Berkman Investment CO has filed SEC Form 4 disclosures for 1 company, including AP.

When was Louis Berkman Investment CO's most recent SEC Form 4 filing?

Louis Berkman Investment CO's most recent SEC Form 4 filing on Tracefour is dated Nov 26, 2025.

What is Louis Berkman Investment CO's total buy and sell value in the current window?

Inside the rolling retention window, Louis Berkman Investment CO bought $248K and sold $0 based on SEC Form 4 filings.

What was Louis Berkman Investment CO's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 93,000 AP shares on 2025-11-17, worth $248K, per SEC Form 4 filings.