Klein Mark D

Chairman, CEO and President

Klein Mark D has filed 5 SEC Form 4 filings (8 transaction rows) across 2 companies, including NSLR, SSSS, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Aug 10, 2026.

Companies traded

Insider Buying

$316K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

2

in the rolling window

Source
NSLRPurchase$250KAug 10SEC ↗
SSSSPurchase$33KApr 22SEC ↗
SSSSPurchase$33KApr 22SEC ↗