Beam Therapeutics BEAM Insider Ownership

Updated Oct 9, 2026

Over the past 12 months, Beam Therapeutics insiders sold $18.56 million of stock on the open market (582.11K shares) and made no open-market purchases.

• Counted by insider, open-market selling of BEAM stock in the past 12 months came from 7 insiders, with no insider buying.
• FMR LLC (10% owner) was the top open-market seller of Beam Therapeutics over the past 12 months, with $10.05 million sold (285.32K shares) and the latest sale on June 26, 2026.
• Beam Therapeutics' latest insider trade on the open market was a sale of 187 shares for $4,565 by Bethany J. Cavanagh (SVP, Finance and Treasurer) on October 1, 2026.
• Apart from open-market trades, BEAM insiders received 194.25K shares in stock awards, acquired 220.5K shares through option exercises and conversions and gave away 123.41K shares as gifts in the past 12 months.
• Per Business Quant data, Beam Therapeutics insiders hold 3.33Mn shares in total based on their latest Form 4 filings, or 3.19% of the 104.33Mn shares outstanding; that total is down 4.04% from 3.47Mn shares at the end of Q2 2026 and down 31.83% from 4.88Mn shares at the end of Q3 2025.
• Direct holdings account for 1.53Mn shares (45.95%) of BEAM's insider total, and indirect holdings through trusts, partnerships and family members for 1.8Mn shares (54.05%).
• Holdings in Beam Therapeutics stock are reported by 7 insiders, the officers, directors and 10% owners who have filed a Form 4 in the past two years.
• BEAM's largest insider holders by reported holdings are FMR LLC (10% owner, 1.7Mn shares), John M. Evans (CEO, 1.15Mn shares) and Giuseppe Ciaramella (President, 130.5K shares).
• The holding of FMR LLC makes up 50.95% of all shares held by Beam Therapeutics insiders.
• In the last 12 months, 39 Form 4 filings with transactions in BEAM stock came from 13 insiders.
• Insider figures for BEAM include Form 4 filings through October 2, 2026.