Klein Mark D
Chairman, CEO and President
Klein Mark D has filed 6 SEC Form 4 filings (9 transaction rows) across 2 companies, including NSLR, SSSS, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Sep 22, 2026.
On the most recent filing, Klein Mark D is listed as Chairman, CEO and President at Neostellar Capital Corp. Inside the rolling window, Klein Mark D reported 4 open-market purchases totaling $355K in NSLR and SSSS and no open-market sales. The largest disclosed transaction in the window is a purchase of 26,040 NSLR shares on Aug 10, 2026, worth $250K.
Companies traded
Other insiders at NSLR
Insider Buying
$355K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Klein Mark D made?
Klein Mark D has filed 6 SEC Form 4 filings (9 transaction rows) across 2 companies, including NSLR, SSSS since 2025.
Which companies does Klein Mark D trade?
Klein Mark D has filed SEC Form 4 disclosures for 2 companies, including NSLR, SSSS.
When was Klein Mark D's most recent SEC Form 4 filing?
Klein Mark D's most recent SEC Form 4 filing on Tracefour is dated Sep 22, 2026.
What is Klein Mark D's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Klein Mark D is listed as Chairman, CEO and President.
What is Klein Mark D's total buy and sell value in the current window?
Inside the rolling retention window, Klein Mark D bought $355K and sold $0 based on SEC Form 4 filings.
What was Klein Mark D's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 26,040 NSLR shares on 2026-08-10, worth $250K, per SEC Form 4 filings.