MAINSAIL GP III, LLC
SEC Form 4 insider trading activity
MAINSAIL GP III, LLC has filed 2 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Aug 26, 2026.
On the most recent filing, MAINSAIL GP III, LLC is listed as 10% Owner at Brilliant Earth Group, Inc. Inside the rolling window, MAINSAIL GP III, LLC reported no open-market purchases and 1 open-market sale totaling $64K in BRLT.
Companies traded
Other insiders at BRLT
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$64K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has MAINSAIL GP III, LLC made?
MAINSAIL GP III, LLC has filed 2 SEC Form 4 filings (4 transaction rows) across 1 company since 2026.
Which companies does MAINSAIL GP III, LLC trade?
MAINSAIL GP III, LLC has filed SEC Form 4 disclosures for 1 company, including BRLT.
When was MAINSAIL GP III, LLC's most recent SEC Form 4 filing?
MAINSAIL GP III, LLC's most recent SEC Form 4 filing on Tracefour is dated Aug 26, 2026.
What is MAINSAIL GP III, LLC's total buy and sell value in the current window?
Inside the rolling retention window, MAINSAIL GP III, LLC bought $0 and sold $64K based on SEC Form 4 filings.
What was MAINSAIL GP III, LLC's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 50,000 BRLT shares on 2026-08-10, worth $64K, per SEC Form 4 filings.