Thomas Brian C.

SEC Form 4 insider trading activity

Thomas Brian C. has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Dec 8, 2025.

On the most recent filing, Thomas Brian C. is listed as Director at Metagenomi, Inc. Inside the rolling window, Thomas Brian C. reported no open-market purchases and 2 open-market sales totaling $12K in MGX. The largest disclosed transaction in the window is a sale of 3,830 MGX shares on Dec 5, 2025, worth $7K.

Companies traded

Other insiders at MGX

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$12K

reported sales (SEC code S)

Companies

1

in the rolling window

Source
MGXSale$7KDec 8SEC ↗
MGXSale$5KDec 1SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has Thomas Brian C. made?

Thomas Brian C. has filed 2 SEC Form 4 filings (2 transaction rows) across 1 company since 2025.

Which companies does Thomas Brian C. trade?

Thomas Brian C. has filed SEC Form 4 disclosures for 1 company, including MGX.

When was Thomas Brian C.'s most recent SEC Form 4 filing?

Thomas Brian C.'s most recent SEC Form 4 filing on Tracefour is dated Dec 8, 2025.

What is Thomas Brian C.'s total buy and sell value in the current window?

Inside the rolling retention window, Thomas Brian C. bought $0 and sold $12K based on SEC Form 4 filings.

What was Thomas Brian C.'s largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 3,830 MGX shares on 2025-12-05, worth $7K, per SEC Form 4 filings.