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buyModerate cluster of 2

John McCartney bought $40k of GRNT

director at Granite Ridge Resources, Inc.. 8,000 shares at an average of $5.06, traded Nov 18, 2025, filed Nov 20, 2025.

Conviction score
41
Value
$40k
8,000 shares
Holdings after
103,091
+8% from before
From 52-week low
+14%
low $4.13, close $4.73
From 52-week high
-21%
high $5.98, as of Nov 18, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $40k at market
    +6
  • Relative to holdings
    Holdings up 8%
    +3
  • Price context
    21% below the 52-week high
    +4
  • Cluster
    2 insiders buying within 14 days
    +8
  • Repeat buying
    5 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (1 with prices)
    0

What happened after comparable buys

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.

This signal so far: 1m -4.6%, 3m +8.1%, 6m +15.5%.

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.

GRNTOct 9, 2026 · close 4.77
Since filing Nov 20, 2025: +4.8%SPY +20.5% · excess -15.7%

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 0001628280-25-053376, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 18, 2025POpen-market purchase
Common Stock, par value $0.0001 per share
+4,000$5.07$20k99,091Nov 20, 2025
Nov 19, 2025POpen-market purchase
Common Stock, par value $0.0001 per share
+4,000$5.05$20k103,091Nov 20, 2025

Related signals

Other insiders at Granite Ridge Resources, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
32Weak
GRNTbuy 3
Granite Ridge Resources, Inc.
Matthew Reade Miller
director
$50k
10,000 shares
+1%
42Moderate
GRNTbuy 3
Granite Ridge Resources, Inc.
Ronald Kyle Kettler
Chief Financial Officer
$30k
6,000 shares
+5%
35Weak
GRNTbuy 3
Granite Ridge Resources, Inc.
John McCartney
director
$25k
5,000 shares
+3%
22Weak
GRNTbuy 2
Granite Ridge Resources, Inc.
Michele J Everard
director
$5,000
1,000 shares
+1%
27Weak
GRNTbuy 2
Granite Ridge Resources, Inc.
John McCartney
director
$10k
2,000 shares
+1%
22Weak
GRNTbuy 2
Granite Ridge Resources, Inc.
Matthew Reade Miller
director
$3,459
696 shares
+0%
34Weak
GRNTbuy 3
Granite Ridge Resources, Inc.
John McCartney
director
$20k
4,000 shares
+3%
36Weak
GRNTbuy 3
Granite Ridge Resources, Inc.
Matthew Reade Miller
director
$50k
10,600 shares
+1%
51Moderate
GRNTbuy 6
Granite Ridge Resources, Inc.
Ronald Kyle Kettler
Chief Financial Officer
$30k
6,000 shares
+5%
30Weak
GRNTbuy 6
Granite Ridge Resources, Inc.
John McCartney
director
$22k
4,000 shares
+3%

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.

John McCartney bought $40k of GRNT | InsiderTell