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sellWeak cluster of 4

Matthew Wein sold $360 of MGX

See Remarks at Metagenomi, Inc.. 199 shares at an average of $1.81, traded Sep 5, 2025, filed Dec 1, 2025.

Warning score
30
Value
$360
199 shares
Holdings after
19,230
-1% from before
From 52-week low
+52%
low $1.26, close $1.91
From 52-week high
-54%
high $4.19, as of Sep 5, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $360 at market
    0
  • Share of holdings sold
    Sold 1.0% of holdings
    0
  • Cluster
    4 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MGXOct 9, 2026 · close 1.00
Since filing Dec 1, 2025: -37.5%SPY +15.7% · excess -53.2%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-25-304177, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 5, 2025SOpen-market sale
Common Stock
-199$1.81$36019,230Dec 1, 2025
Dec 1, 2025AGrant or award
Common Stock
+96,000$1.60$154k115,230Dec 1, 2025

Related signals

Other insiders at Metagenomi, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
23Weak
MGXbuy
Metagenomi, Inc.
Laurence Reid
director
$23k
20,000 shares
-
30Weak
MGXsell 3
Metagenomi, Inc.
Jian Irish
See Remarks
$2,479
2,140 shares
-1%
37Weak
MGXsell 3
Metagenomi, Inc.
Pamela Wapnick
Chief Financial Officer
$2,214
1,911 shares
-1%
30Weak
MGXsell 3
Metagenomi, Inc.
Matthew Wein
See Remarks
$415
358 shares
-0%
40Moderate
MGXsell 4
Metagenomi, Inc.
Jian Irish
Chief Executive Officer
$2,839
1,602 shares
-0%
37Weak
MGXsell 4
Metagenomi, Inc.
Pamela Wapnick
Chief Financial Officer
$2,793
1,576 shares
-1%
30Weak
MGXsell 4
Metagenomi, Inc.
Matthew Wein
See Remarks
$353
199 shares
-0%
30Weak
MGXsell 4
Metagenomi, Inc.
Brian C. Thomas
Chief Executive Officer
$6,786
3,830 shares
-0%
40Moderate
MGXsell 4
Metagenomi, Inc.
Jian Irish
Chief Executive Officer
$2,900
1,602 shares
-1%
37Weak
MGXsell 4
Metagenomi, Inc.
Pamela Wapnick
Chief Financial Officer
$2,853
1,576 shares
-2%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Matthew Wein sold $360 of MGX | InsiderTell