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buyWeak cluster of 5

John McCartney bought $26k of GRNT

director at Granite Ridge Resources, Inc.. 5,000 shares at an average of $5.16, traded Mar 12, 2026, filed Mar 16, 2026.

Conviction score
39
Value
$26k
5,000 shares
Holdings after
136,143
+4% from before
From 52-week low
+24%
low $3.94, close $4.90
From 52-week high
-18%
high $5.98, as of Mar 12, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $26k at market
    +5
  • Relative to holdings
    Holdings up 3.8%
    0
  • Price context
    18% below the 52-week high
    +4
  • Cluster
    5 insiders buying within 14 days
    +15
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Median 6-month excess return -12% over 3 past buys
    -5

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 +1.3%, 3m -9.0%, 6m +1.4%.

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 Mar 16, 2026: -5.5%SPY +17.3% · excess -22.8%

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 0001628280-26-017977, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 12, 2026POpen-market purchase
Common Stock, par value $0.0001 per share
+5,000$5.16$26k136,143Mar 16, 2026

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.
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%
30Weak
GRNTbuy 6
Granite Ridge Resources, Inc.
John McCartney
director
$17k
3,000 shares
+2%
52Moderate
GRNTbuy 6
Granite Ridge Resources, Inc.
Griffin Perry
director
$549k
100,000 shares
+9%

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 $26k of GRNT | InsiderTell