Nottenburg Richard N
SEC Form 4 insider trading activity
Nottenburg Richard N has filed 9 SEC Form 4 filings (14 transaction rows) across 3 companies, including APLD, CHRN, VRNT, with disclosures dating back to 2025. 8 of those filings fall inside the rolling window. Most recent filing: Aug 6, 2026.
On the most recent filing, Nottenburg Richard N is listed as Director at Applied Digital Corp. Inside the rolling window, Nottenburg Richard N reported no open-market purchases and 8 open-market sales totaling $5.7M in APLD. The largest disclosed transaction in the window is a sale of 75,000 APLD shares on Aug 4, 2026, worth $2.3M.
Companies traded
Other insiders at APLD
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.7M
reported sales (SEC code S)
Companies
3
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| APLD | Director | Sale | 75,000 | $2.3M | Aug 6 | SEC ↗ | |
| APLD | Director | Sale | 12,500 | $400K | Apr 30 | SEC ↗ | |
| APLD | Director | Sale | 12,500 | $432K | Apr 30 | SEC ↗ | |
| APLD | Director | Sale | 11,606 | $409K | Jan 16 | SEC ↗ | |
| APLD | Director | Sale | 12,000 | $425K | Jan 16 | SEC ↗ | |
| APLD | Director | Sale | 5,000 | $174K | Oct 31 | SEC ↗ | |
| APLD | Director | Sale | 9,375 | $337K | Oct 31 | SEC ↗ | |
| APLD | Director | Sale | 34,375 | $1.1M | Oct 28 | SEC ↗ |
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 3, 2025 | APLD | Sale | $305K |
Frequently asked questions
How many SEC Form 4 filings has Nottenburg Richard N made?
Nottenburg Richard N has filed 9 SEC Form 4 filings (14 transaction rows) across 3 companies, including APLD, CHRN, VRNT since 2025.
Which companies does Nottenburg Richard N trade?
Nottenburg Richard N has filed SEC Form 4 disclosures for 3 companies, including APLD, CHRN, VRNT.
When was Nottenburg Richard N's most recent SEC Form 4 filing?
Nottenburg Richard N's most recent SEC Form 4 filing on Tracefour is dated Aug 6, 2026.
What is Nottenburg Richard N's total buy and sell value in the current window?
Inside the rolling retention window, Nottenburg Richard N bought $0 and sold $5.7M based on SEC Form 4 filings.
What was Nottenburg Richard N's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 75,000 APLD shares on 2026-08-04, worth $2.3M, per SEC Form 4 filings.