Metagenomi Therapeutics, Inc. (MGX)
Nasdaq: MGX · Biological Products, (No Diagnostic Substances) · Emeryville, CA · filing with the SEC since 2019
Who owns Metagenomi Therapeutics, Inc.
As filed with the SECHolders of 5% or more
1
Thomas Brian C. holds 7.3% of Common stock, par value $0.0001 per share, as its SCHEDULE 13G filed Sep 10, 2026 says.
Directors and officers
8
report now, of 13 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
Thomas Brian C.
SCHEDULE 13G · filed Sep 10, 2026 · Common stock, par value $0.0001 per share
What MGX reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Metagenomi Inc
An entity · consolidated entity · owns, named in the 10-K filed Mar 5, 2026
Metagenomi L L C
An entity · consolidated entity · owns, named in the 10-K filed Mar 5, 2026
ViTToria Investment
An investee · investee · invested in, named in the 10-K filed Mar 5, 2026
Insider tradesForm 4
13sales
2purchases
0sales on a scheduled plan
4people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 18 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Reid Laurence | director | 0 | $0 | 0 | 2 | $0 |
| Irish Jian | President and Chief Executive Officer | 4 | $0 | 0 | 0 | $0 |
| Thomas Brian C. | Chief Executive Officer | 1 | $0 | 0 | 0 | $0 |
| Wapnick Pamela | Chief Financial Officer | 4 | $0 | 0 | 0 | $0 |
| Wein Matthew | Title: General Counsel, Compliance Officer and Corporate Secretary | 4 | $0 | 0 | 0 | $0 |