MGX Metagenomi Therapeutics, Inc.
Metagenomi Therapeutics, Inc. (MGX) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 0% planned / 100% discretionary
Largest single sale: $2.5K.
Where they traded
Last open-market purchase: September 9, 2026 , by Reid Laurence .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Reid Laurence 2 fills | Director | Buy | 20,000 | $1.17 | $23.4K | 20,000 | |
| Irish Jian | See Remarks | Sell | 2,140 | $1.16 | $2.5K | 375,393 −0.6% of holding | |
| Wapnick Pamela | Chief Financial Officer | Sell | 1,911 | $1.16 | $2.2K | 206,580 −0.9% of holding | |
| Wein Matthew | See Remarks | Sell | 358 | $1.16 | $415 | 126,133 −0.3% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.