Rosenthal Brent D
SEC Form 4 insider trading activity
Rosenthal Brent D has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including HKHC, PBI, with disclosures dating back to 2025. 7 of those filings fall inside the rolling window. Most recent filing: Aug 25, 2026.
On the most recent filing, Rosenthal Brent D is listed as Director at Horizon Kinetics Holding Corp. Inside the rolling window, Rosenthal Brent D reported 6 open-market purchases totaling $167K in HKHC and PBI and no open-market sales. The largest disclosed transaction in the window is a purchase of 2,000 HKHC shares on Aug 24, 2026, worth $54K.
Companies traded
Other insiders at HKHC
Insider Buying
$167K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 2, 2025 | HKHC | Purchase | $11K |
Frequently asked questions
How many SEC Form 4 filings has Rosenthal Brent D made?
Rosenthal Brent D has filed 8 SEC Form 4 filings (9 transaction rows) across 2 companies, including HKHC, PBI since 2025.
Which companies does Rosenthal Brent D trade?
Rosenthal Brent D has filed SEC Form 4 disclosures for 2 companies, including HKHC, PBI.
When was Rosenthal Brent D's most recent SEC Form 4 filing?
Rosenthal Brent D's most recent SEC Form 4 filing on Tracefour is dated Aug 25, 2026.
What is Rosenthal Brent D's total buy and sell value in the current window?
Inside the rolling retention window, Rosenthal Brent D bought $167K and sold $0 based on SEC Form 4 filings.
What was Rosenthal Brent D's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 2,000 HKHC shares on 2026-08-24, worth $54K, per SEC Form 4 filings.