FMR LLC

SEC Form 4 insider trading activity

FMR LLC has filed 10 SEC Form 4 filings (30 transaction rows) across 3 companies, including BEAM, AVLN, MTSR, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Jun 29, 2026.

On the most recent filing, FMR LLC is listed as 10% Owner at Beam Therapeutics Inc. Inside the rolling window, FMR LLC reported no open-market purchases and 4 open-market sales totaling $10.1M in BEAM and MTSR. The largest disclosed transaction in the window is a sale of 251,488 BEAM shares on Jun 26, 2026, worth $8.9M.

Companies traded

Other insiders at BEAM

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$10.1M

reported sales (SEC code S)

Companies

3

in the rolling window

Source
BEAMSale$1.2MJun 29SEC ↗
BEAMSale$8.9MJun 29SEC ↗
MTSRSale$12KNov 5SEC ↗
BEAMSale$12KOct 29SEC ↗
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Frequently asked questions

How many SEC Form 4 filings has FMR LLC made?

FMR LLC has filed 10 SEC Form 4 filings (30 transaction rows) across 3 companies, including BEAM, AVLN, MTSR since 2025.

Which companies does FMR LLC trade?

FMR LLC has filed SEC Form 4 disclosures for 3 companies, including BEAM, AVLN, MTSR.

When was FMR LLC's most recent SEC Form 4 filing?

FMR LLC's most recent SEC Form 4 filing on Tracefour is dated Jun 29, 2026.

What is FMR LLC's total buy and sell value in the current window?

Inside the rolling retention window, FMR LLC bought $0 and sold $10.1M based on SEC Form 4 filings.

What was FMR LLC's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 251,488 BEAM shares on 2026-06-26, worth $8.9M, per SEC Form 4 filings.