Louis Berkman Investment Co

10% Owner

1 company

Louis Berkman Investment Co is a 10% Owner at AMPCO PITTSBURGH CORP. Recent SEC Form 4 filings include 11 buys and 3 sells.

Estimated insider holdings value: $33.8M based on current market prices.

Holdings by Company

APNov 17, 2025

Current Shares3.13M

Value$33.78M

Net Activity+529.1K

Bought: 690.7KSold: 161.5K

Showing 10 filings

Date	Ticker	Role	Type	Shares	Price	Value	Chg%	3M	12M
Nov 17, 2025	AP Ampco Pittsburgh Corp	10% Owner	Buy	93,000	$2.67	$248,310.00	+3.1%	+183.6%	-
Nov 21, 2022	AP Ampco Pittsburgh Corp	10% Owner	Buy	551,604	$2.50	$1,379,010.00	+22.2%	-7.6%	-4.4%
May 23, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	4,745	$4.34	$20,593.30	+0.4%	-	-
May 22, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	10,000	$4.31	$43,142.00	+0.8%	-	-
May 21, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	10,000	$4.31	$43,148.00	+0.8%	-	-
May 20, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	1,500	$4.45	$6,673.95	+0.1%	-	-
Mar 17, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	9,811	$4.31	$42,272.94	+0.4%	-	-
Mar 15, 2019	AP Ampco Pittsburgh Corp	10% Owner	Buy	10,000	$4.01	$40,093.95	+0.3%	-	-
Jul 30, 2018	AP Ampco Pittsburgh Corp	10% Owner	Sell	100	$11.00	$1,100.00	-	-	-
May 31, 2018	AP Ampco Pittsburgh Corp	10% Owner	Sell	679	$11.01	$7,474.00	-	-	-