Nagelberg Allison
SEC Form 4 insider trading activity
Nagelberg Allison has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Sep 22, 2026.
On the most recent filing, Nagelberg Allison is listed as Director at Horizon Kinetics Holding Corp. Inside the rolling window, Nagelberg Allison reported 2 open-market purchases totaling $10K in HKHC and no open-market sales. The largest disclosed transaction in the window is a purchase of 150 HKHC shares on Mar 20, 2026, worth $5K.
Companies traded
Other insiders at HKHC
Insider Buying
$10K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Nagelberg Allison made?
Nagelberg Allison has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company since 2026.
Which companies does Nagelberg Allison trade?
Nagelberg Allison has filed SEC Form 4 disclosures for 1 company, including HKHC.
When was Nagelberg Allison's most recent SEC Form 4 filing?
Nagelberg Allison's most recent SEC Form 4 filing on Tracefour is dated Sep 22, 2026.
What is Nagelberg Allison's total buy and sell value in the current window?
Inside the rolling retention window, Nagelberg Allison bought $10K and sold $0 based on SEC Form 4 filings.
What was Nagelberg Allison's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 150 HKHC shares on 2026-03-20, worth $5K, per SEC Form 4 filings.