Groh Douglas

SEC Form 4 insider trading activity

Groh Douglas has filed 2 SEC Form 4 filings (3 transaction rows) across 2 companies, including SIND, SSMR, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Jul 1, 2026.

On the most recent filing, Groh Douglas is listed as Director at Sunshine Silver Mining & Refining Co. Inside the rolling window, Groh Douglas reported 1 open-market purchase totaling $135K in SSMR and no open-market sales.

Companies traded

Other insiders at SIND

Insider Buying

$135K

reported purchases (SEC code P)

Insider Selling

$0

reported sales (SEC code S)

Companies

2

in the rolling window

Source
SSMRPurchase$135KJun 8SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Groh Douglas made?

Groh Douglas has filed 2 SEC Form 4 filings (3 transaction rows) across 2 companies, including SIND, SSMR since 2026.

Which companies does Groh Douglas trade?

Groh Douglas has filed SEC Form 4 disclosures for 2 companies, including SIND, SSMR.

When was Groh Douglas's most recent SEC Form 4 filing?

Groh Douglas's most recent SEC Form 4 filing on Tracefour is dated Jul 1, 2026.

What is Groh Douglas's total buy and sell value in the current window?

Inside the rolling retention window, Groh Douglas bought $135K and sold $0 based on SEC Form 4 filings.

What was Groh Douglas's largest disclosed transaction?

The largest disclosed transaction in the current window is a purchase of 10,000 SSMR shares on 2026-06-05, worth $135K, per SEC Form 4 filings.