According to recent filings covering the 90 days ending December 12, 2025, the three most significant insider holders at Beam Therapeutics are TenPercentOwner Llc Fmr (1.14Mn shares), CEO John M. Evans (1.09Mn shares), Chief Legal Officer Christine Bellon (116.92K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Robert Nelsen | 3,535,572 | 02 Apr, 2021 | |
| Venture Partners Ix, Llc Arch | 2,949,630 | 02 Jul, 2021 | |
| Kristina Burow | 2,933,586 | 02 Jul, 2021 | |
| Llc Fmr | 1,139,443 | 29 Oct, 2025 | |
| John M. Evans | CEO | 1,089,667 | 03 Oct, 2025 |
| Giuseppe Ciaramella | President | 190,216 | 03 Apr, 2025 |
| Christine Bellon | Chief Legal Officer | 116,921 | 03 Oct, 2025 |
| Terry-Ann Burrell | Chief Financial Officer | 82,637 | 29 Apr, 2024 |
| Sravan Kumar Emany | Chief Financial Officer | 80,000 | 02 Jan, 2025 |
| Amy Simon | Chief Medical Officer | 64,864 | 03 Jul, 2025 |
| Bethany J Cavanagh | SVP And Finance And Treasurer | 44,045 | 03 Oct, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Oct, 2025 | Llc Fmr | Common Stock | D | 459 | $26.68 | 1,139,443 | I | S |
| 06 Oct, 2025 | Llc Fmr | Common Stock | D | 1,232,434 | $0.00 | 1,139,443 | I | G |
| 01 Oct, 2025 | Bethany J Cavanagh | Common Stock | D | 467 | $24.53 | 44,045 | D | S |
| 01 Oct, 2025 | Christine Bellon | Common Stock | D | 373 | $24.53 | 116,921 | D | S |
| 01 Oct, 2025 | John M. Evans | Common Stock | A | 25,000 | $0.67 | 1,011,667 | D | M |
| 01 Oct, 2025 | John M. Evans | Common Stock | D | 25,000 | $24.51 | 986,667 | D | S |
| 02 Oct, 2025 | John M. Evans | Common Stock | A | 25,000 | $0.67 | 1,011,667 | D | M |
| 02 Oct, 2025 | John M. Evans | Common Stock | D | 25,000 | $24.63 | 986,667 | D | S |
| 30 Jul, 2025 | Llc Fmr | Common Stock | D | 48,374 | $20.50 | 1,139,443 | I | S |
| 01 Jul, 2025 | Amy Simon | Common Stock | D | 374 | $16.94 | 65,740 | D | S |
| 01 Jul, 2025 | Amy Simon | - | - | 65,740 | D | |||
| 03 Jul, 2025 | Amy Simon | - | - | 64,864 | D | |||
| 03 Jul, 2025 | Amy Simon | Common Stock | D | 876 | $20.12 | 64,864 | D | S |
| 01 Apr, 2025 | Amy Simon | Common Stock | D | 9,566 | $18.35 | 86,739 | D | S |
| 01 Apr, 2025 | Bethany J Cavanagh | Common Stock | D | 3,015 | $18.35 | 44,512 | D | S |
| 01 Apr, 2025 | John M. Evans | Common Stock | D | 30,663 | $18.35 | 986,249 | D | S |
| 01 Apr, 2025 | Christine Bellon | - | - | 117,294 | D | |||
| 01 Apr, 2025 | Giuseppe Ciaramella | Common Stock | D | 7,434 | $18.35 | 190,216 | D | S |
| 01 Apr, 2025 | Christine Bellon | Common Stock | D | 5,674 | $18.35 | 117,294 | D | S |
| 02 Apr, 2025 | Amy Simon | Common Stock | D | 20,997 | $17.73 | 65,742 | D | S |