Massivemarkets

SEC Form 4

Beam Therapeutics Inc. (BEAM) insider trading

In the 12 months to Oct 24, 2026, 6 BEAM insiders reported open-market sales of $18.1M across 12 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$18.1M
12 filings · 6 insiders
Open-market purchases
$0
0 filings
Pre-arranged sales (10b5-1)
10 of 12
$8.1M of $18.1M sold (44%)

Who traded BEAM, and when

  • Sale
  • Sale, pre-arranged (10b5-1)

BEAM daily close from Oct 24, 2025 to Oct 23, 2026, between $20.60 and $37.92, last $24.05. 12 sale and 0 purchase filings by 6 insiders, marked at their filing dates. FMR LLC, 10% owner: sold $10.1M across 2 filings, first filed Oct 29, 2025, last Jun 29, 2026. John M. Evans, CEO: sold $5.5M across 4 filings, first filed Feb 2, 2026, last Oct 16, 2026. Giuseppe Ciaramella, President: sold $1.1M across 1 filing, first filed Feb 26, 2026, last Feb 26, 2026. Christine Bellon, Chief Legal Officer: sold $691.4K across 2 filings, first filed Jan 20, 2026, last Jan 26, 2026. Amy Simon, Chief Medical Officer: sold $429.0K across 1 filing, first filed Jul 29, 2026, last Jul 29, 2026. Bethany J. Cavanagh, SVP, Finance and Treasurer: sold $308.3K across 2 filings, first filed Jan 21, 2026, last Jan 26, 2026.

Largest mark · tap a row for others

FMR LLC · 10% owner

Sale $10,039,492

284,860 shares at $35.24 avg

Filed Jun 29, 2026 · traded Jun 25

Close on filing date $34.95

BEAM daily closelast $24.05

FMR LLC · 10% owner

$10.1M sold

John M. Evans · CEO

$5.5M sold

Giuseppe Ciaramella · President

$1.1M sold

Christine Bellon · Chief Legal Officer

$691.4K sold

Amy Simon · Chief Medical Officer

$429.0K sold

Bethany J. Cavanagh · SVP, Finance and Treasurer

$308.3K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Has Beam Therapeutics Inc.'s CEO sold stock?

Yes. John M. Evans (CEO) sold 200,000 shares ($5.5M) between Feb 2026 and Oct 2026, all under a pre-arranged 10b5-1 plan.

Open-market trades

12 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
FMR LLC10% owner$10.1M—2—
John M. EvansCEO$5.5M—4100% of sales
Giuseppe CiaramellaPresident$1.1M—1100% of sales
Christine BellonChief Legal Officer$691.4K—2100% of sales
Amy SimonChief Medical Officer$429.0K—1100% of sales
Bethany J. CavanaghSVP, Finance and Treasurer$308.3K—2100% of sales
Other insider activity (not market trades) · 30 records
  • Option exercises13 records
  • Tax withholding (sold to cover)9 records
  • Grants and awards7 records
  • Gifts1 record

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for BEAM every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Pre-arranged (10b5-1)
The insider marked the filing as made under a trading plan set up in advance (SEC Rule 10b5-1). The mark covers the whole filing, and an unmarked filing may still be under a plan.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.