GRNT insider buying and SEC filings, explained
Granite Ridge Resources, Inc. · CIK 1928446
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$1.4M
Insiders who bought
7
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 11, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 10,000 shares at about $5.03 ($50K), reported as a purchase (code P). Holdings up 1% to 1,974,292 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 14, 2026 |
| Sep 4, 2026 | Purchase (code P) | Ronald Kyle Kettler (CFO) bought 6,000 shares at $5.05 ($30K), reported as a purchase (code P). Holdings up 5% to 135,276 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 8, 2026 |
| Sep 1, 2026 | Purchase (code P) | John Mccartney (Director) bought 5,000 shares at $5.04 ($25K), reported as a purchase (code P). Holdings up 3% to 154,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 2, 2026 |
| Aug 13, 2026 | Purchase (code P) | Michele J Everard (Director) bought 1,000 shares at $5.00 ($5K), reported as a purchase (code P). Holdings up 1% to 73,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 17, 2026 |
| Aug 13, 2026 | Purchase (code P) | John Mccartney (Director) bought 2,000 shares at $5.00 ($10K), reported as a purchase (code P). Holdings up 1% to 149,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 17, 2026 |
| Jun 12, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 696 shares at $4.97 ($3K), reported as a purchase (code P). Holdings up <1% to 1,361,509 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 16, 2026 |
| Jun 10, 2026 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $4.96 ($20K), reported as a purchase (code P). Holdings up 3% to 147,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 11, 2026 |
| Jun 9, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 10,600 shares at $4.75 ($50K), reported as a purchase (code P). Holdings up 1% to 1,360,813 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 9, 2026 |
| May 27, 2026 | Purchase (code P) | Ronald Kyle Kettler (CFO) bought 6,000 shares at $5.08 ($30K), reported as a purchase (code P). Holdings up 5% to 129,276 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| May 21, 2026 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $5.54 ($22K), reported as a purchase (code P). Holdings up 3% to 143,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 22, 2026 |
| May 19, 2026 | Purchase (code P) | John Mccartney (Director) bought 3,000 shares at $5.81 ($17K), reported as a purchase (code P). Holdings up 2% to 139,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| May 18, 2026 | Purchase (code P) | Griffin Perry (Director) bought 100,000 shares at $5.49 ($549K), reported as a purchase (code P). Holdings up 9% to 1,163,903 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 18, 2026 |
| May 14, 2026 | Purchase (code P) | Michele J Everard (Director) bought 1,000 shares at $5.28 ($5K), reported as a purchase (code P). Holdings up 1% to 72,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 14, 2026 |
| May 13, 2026 | Purchase (code P) | Tyler Farquharson (CEO) bought 10,000 shares at $5.15 ($52K), reported as a purchase (code P). Holdings up 3% to 344,743 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 13, 2026 |
| May 13, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 18,180 shares at $5.21 ($95K), reported as a purchase (code P). Holdings up 1% to 1,350,213 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 13, 2026 |
| Mar 13, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 658 shares at $5.15 ($3K), reported as a purchase (code P). Holdings up <1% to 1,328,839 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 17, 2026 |
| Mar 13, 2026 | Purchase (code P) | Ronald Kyle Kettler (CFO) bought 3,000 shares at $5.17 ($16K), reported as a purchase (code P). Holdings up 2% to 123,276 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Purchase (code P) | John Mccartney (Director) bought 5,000 shares at $5.16 ($26K), reported as a purchase (code P). Holdings up 4% to 136,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 16, 2026 |
| Mar 12, 2026 | Purchase (code P) | Michele J Everard (Director) bought 5,000 shares at $5.17 ($26K), reported as a purchase (code P). Holdings up 8% to 71,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 11, 2026 | Purchase (code P) | John Mccartney (Director) bought 2,000 shares at $5.12 ($10K), reported as a purchase (code P). Holdings up 2% to 131,143 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Purchase (code P) | Matthew Reade Miller (Director) bought 10,000 shares at $5.10 ($51K), reported as a purchase (code P). Holdings up 1% to 1,328,181 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 10, 2026 | Purchase (code P) | Ronald Kyle Kettler (CFO) bought 5,000 shares at $5.18 ($26K), reported as a purchase (code P). Holdings up 4% to 120,276 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Mar 10, 2026 | Purchase (code P) | Tyler Farquharson (CEO) bought 12,500 shares at $5.21 ($65K), reported as a purchase (code P). Holdings up 4% to 334,743 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 11, 2026 |
| Dec 15, 2025 | Purchase (code P) | Matthew Reade Miller (Director) bought 648 shares at $5.13 ($3K), reported as a purchase (code P). Holdings up <1% to 1,298,166 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 17, 2025 |
| Dec 8, 2025 | Purchase (code P) | John Mccartney (Director) bought 5,000 shares at $5.26 ($26K), reported as a purchase (code P). Holdings up 5% to 113,117 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 9, 2025 |
| Dec 5, 2025 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $5.41 ($22K), reported as a purchase (code P). Holdings up 4% to 108,117 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 8, 2025 |
| Dec 4, 2025 | Purchase (code P) | Matthew Reade Miller (Director) bought 9,388 shares at $5.33 ($50K), reported as a purchase (code P). Holdings up 1% to 1,297,518 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 5, 2025 |
| Dec 1, 2025 | Purchase (code P) | John Mccartney (Director) bought 1,026 shares at $5.23 ($5K), reported as a purchase (code P). Holdings up 1% to 104,117 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 2, 2025 |
| Nov 21, 2025 | Purchase (code P) | Kirk Lazarine (Director) bought 10,000 shares at about $4.98 ($50K), reported as a purchase (code P). Holdings up 1% to 1,051,997 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 21, 2025 |
| Nov 18–19, 2025 | Purchase (code P) | John Mccartney (Director) bought 8,000 shares between Nov 18, 2025 and Nov 19, 2025 at about $5.06 ($40K), reported as a purchase (code P). Holdings up 8% to 103,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 20, 2025 |
| Nov 17, 2025 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $5.18 ($21K), reported as a purchase (code P). Holdings up 4% to 95,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 18, 2025 |
| Nov 13, 2025 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $5.17 ($21K), reported as a purchase (code P). Holdings up 5% to 91,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 17, 2025 |
| Nov 11, 2025 | Purchase (code P) | John Mccartney (Director) bought 4,000 shares at $5.26 ($21K), reported as a purchase (code P). Holdings up 5% to 87,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 12, 2025 |
23 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$116K in purchases since Aug 13, 2026 · Purchases traded Aug 13, 2026 to Sep 11, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| John Mccartney (Director) | $10K | Aug 13, 2026 | SEC filing |
| John Mccartney (Director) | $25K | Sep 1, 2026 | SEC filing |
| Ronald Kyle Kettler (CFO) | $30K | Sep 4, 2026 | SEC filing |
| Matthew Reade Miller (Director) | $50K | Sep 11, 2026 | SEC filing |
5 insiders bought in 30 days
$835K in purchases since May 13, 2026 · Purchases traded May 13, 2026 to Jun 10, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Matthew Reade Miller (Director) | $95K | May 13, 2026 | SEC filing |
| Tyler Farquharson (CEO) | $52K | May 13, 2026 | SEC filing |
| Griffin Perry (Director) | $549K | May 18, 2026 | SEC filing |
| John Mccartney (Director) | $17K | May 19, 2026 | SEC filing |
| John Mccartney (Director) | $22K | May 21, 2026 | SEC filing |
| Ronald Kyle Kettler (CFO) | $30K | May 27, 2026 | SEC filing |
| Matthew Reade Miller (Director) | $50K | Jun 9, 2026 | SEC filing |
| John Mccartney (Director) | $20K | Jun 10, 2026 | SEC filing |
5 insiders bought in 30 days
$219K in purchases since Mar 10, 2026 · Purchases traded Mar 10, 2026 to Mar 13, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Tyler Farquharson (CEO) | $65K | Mar 10, 2026 | SEC filing |
| Ronald Kyle Kettler (CFO) | $26K | Mar 10, 2026 | SEC filing |
| Matthew Reade Miller (Director) | $51K | Mar 10, 2026 | SEC filing |
| John Mccartney (Director) | $10K | Mar 11, 2026 | SEC filing |
| Michele J Everard (Director) | $26K | Mar 12, 2026 | SEC filing |
| John Mccartney (Director) | $26K | Mar 12, 2026 | SEC filing |
| Ronald Kyle Kettler (CFO) | $16K | Mar 13, 2026 | SEC filing |
3 insiders bought in 30 days
$251K in purchases since Nov 11, 2025 · Purchases traded Nov 11, 2025 to Dec 8, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| John Mccartney (Director) | $21K | Nov 11, 2025 | SEC filing |
| John Mccartney (Director) | $21K | Nov 13, 2025 | SEC filing |
| John Mccartney (Director) | $21K | Nov 17, 2025 | SEC filing |
| John Mccartney (Director) | $40K | Nov 19, 2025 | SEC filing |
| Kirk Lazarine (Director) | $50K | Nov 21, 2025 | SEC filing |
| Matthew Reade Miller (Director) | $50K | Dec 4, 2025 | SEC filing |
| John Mccartney (Director) | $22K | Dec 5, 2025 | SEC filing |
| John Mccartney (Director) | $26K | Dec 8, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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