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Metagenomi Therapeutics, Inc. (MGX)

Metagenomi Therapeutics, Inc. (MGX) Insider Trading

Directors, officers and holders of more than 10% of MGX report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 61 transactions on file: 2 with code P, 22 with code S and 26 with other codes.

DateInsiderCodeShares
Sep 9, 2026Reid LaurenceP Purchase117
Sep 9, 2026Reid LaurenceP Purchase19,883
Sep 8, 2026Irish JianS Sale2,140
Sep 8, 2026Wein MatthewS Sale358
Sep 8, 2026Wapnick PamelaS Sale1,911
Jun 9, 2026BJERKHOLT ERICA Award21,000
Jun 9, 2026Reid LaurenceA Award17,400
Jun 9, 2026Dere Willard HA Award21,000
Jun 9, 2026Eckhardt JuergenA Award21,000
Jun 5, 2026Wein MatthewS Sale558
Jun 5, 2026Wapnick PamelaS Sale2,884
Jun 5, 2026Irish JianS Sale3,737
Apr 1, 2026Irish JianA Award46,000
Apr 1, 2026Irish JianA Award276,000
Apr 1, 2026Wapnick PamelaA Award24,000
Apr 1, 2026Wein MatthewA Award11,000
Apr 1, 2026Wapnick PamelaA Award144,000
Apr 1, 2026Wein MatthewA Award68,000
Mar 5, 2026Wein MatthewS Sale482
Mar 5, 2026Wapnick PamelaS Sale1,581
Mar 5, 2026Irish JianS Sale1,607
Dec 5, 2025Wein MatthewS Sale199
Dec 5, 2025Thomas Brian C.S Sale3,830
Dec 5, 2025Wapnick PamelaS Sale1,576
Dec 5, 2025Irish JianG Gift228,462
Dec 5, 2025Irish JianS Sale1,602
Dec 1, 2025Irish JianA Award37,500
Dec 1, 2025Irish JianA Award211,000
Dec 1, 2025Wapnick PamelaA Award120,000
Dec 1, 2025Irish JianA Award225,000
Dec 1, 2025Wein MatthewA Award96,000
Sep 5, 2025Wein MatthewS Sale199
Sep 5, 2025Thomas Brian C.S Sale2,701
Sep 5, 2025Wapnick PamelaS Sale1,576
Sep 5, 2025Irish JianS Sale1,602
Sep 2, 2025Reid LaurenceA Award42,000
Jun 10, 2025BJERKHOLT ERICA Award8,572
Jun 10, 2025Dere Willard HA Award21,000
Jun 10, 2025Eckhardt JuergenA Award21,000
Jun 6, 2025Wein MatthewS Sale199
Jun 6, 2025Irish JianS Sale6,390
Jun 6, 2025Thomas Brian C.S Sale10,785
Jun 6, 2025Wapnick PamelaS Sale1,576
Jun 6, 2025Noonberg Sarah B.S Sale5,239
Apr 1, 2025Irish JianA Award23,000
Apr 1, 2025Noonberg Sarah B.A Award14,000
Apr 1, 2025Wapnick PamelaA Award84,000
Apr 1, 2025Thomas Brian C.A Award196,000
Apr 1, 2025Wein MatthewA Award21,875
Apr 1, 2025Wein MatthewA Award22,725

The full Form 4 history is on the MGX company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.