Metagenomi, Inc. (MGX) Insider Ownership

Historic Insider Ownership Trends

MGX's three largest insider shareholders as of March 23, 2026 are Sebastian Bernales (Director, 2.67Mn shares), Brian C. Thomas (Director, 2.51Mn shares), Holdings A/S Novo (TenPercentOwner, 1.74Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Sebastian Bernales 769,845 1,896,445 14 Feb, 2024
Brian C. Thomas 2,510,960 0 08 Dec, 2025
Holdings A/S Novo 1,739,175 0 15 Feb, 2024
Jian Irish Chief Executive Officer 563,839 0 08 Dec, 2025
Pamela Wapnick Chief Financial Officer 187,375 0 09 Mar, 2026
Simon Harnest See Remarks 122,664 0 03 Apr, 2024
Matthew Wein See Remarks 114,549 0 09 Mar, 2026
Sarah B. Noonberg Chief Medical Officer 109,135 0 09 Jun, 2025
Simren Delaney See Remarks 93,892 0 03 Apr, 2024
Luis Borges Chief Scientific Officer 69,316 0 03 Apr, 2024

* 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Mar, 2026 Matthew Wein Common Stock D 482 $1.60 114,549 D S
05 Mar, 2026 Pamela Wapnick Common Stock D 1,581 $1.60 187,375 D S
05 Dec, 2025 Pamela Wapnick Common Stock D 1,576 $1.77 188,956 D S
05 Dec, 2025 Brian C. Thomas Common Stock D 3,830 $1.77 2,510,960 D S
05 Dec, 2025 Matthew Wein Common Stock D 199 $1.77 115,031 D S
05 Dec, 2025 Jian Irish Common Stock D 1,602 $1.77 563,839 D S
02 Sep, 2025 Laurence Reid Stock Option (Right to Buy) A 42,000 $0.00 42,000 D A
10 Jun, 2025 Juergen Eckhardt Stock Option (Right to Buy) A 21,000 $0.00 21,000 D A
10 Jun, 2025 Eric Bjerkholt Stock Option (Right to Buy) A 8,572 $0.00 8,572 D A
06 Jun, 2025 Sarah B. Noonberg Common Stock D 5,239 $1.75 109,135 D S
06 Jun, 2025 Jian Irish Common Stock D 6,390 $1.75 315,543 D S
06 Jun, 2025 Matthew Wein Common Stock D 199 $1.75 16,693 D S
06 Jun, 2025 Brian C. Thomas Common Stock D 10,785 $1.75 2,517,491 D S
06 Jun, 2025 Pamela Wapnick Common Stock D 1,576 $1.75 72,108 D S
01 Apr, 2025 Brian C. Thomas Common Stock A 32,000 $0.00 2,528,276 D A
01 Apr, 2025 Matthew Wein Common Stock A 3,650 $0.00 13,117 D A
01 Apr, 2025 Pamela Wapnick Common Stock A 14,000 $0.00 73,684 D A
01 Apr, 2025 Jian Irish Common Stock A 23,000 $0.00 321,933 D A
01 Apr, 2025 Sarah B. Noonberg Common Stock A 14,000 $0.00 114,374 D A
01 Apr, 2025 Sarah B. Noonberg Stock Option (Right to Buy) A 84,000 $0.00 84,000 D A