Comparable stake leader
GREP GP III, LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001928446.
Comparable stake leader
GREP GP III, LLC
Disclosed value leader
Grey Rock Energy Management, LLC
Comparable rows
50/50
Latest evidence
19 Aug 2026
Ownership snapshot
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Quick read
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GREP GP III, LLC |
13D/G
3/4/5
10%+ Owner
|
39%
|
$235,515,099
51,648,048 shares
|
-$64,848,540 | 19 Aug 2026 |
| HAMILTON LANE ADVISORS LLC |
13D/G
13F
Hamilton Lane Advisors, L.L.C. · Company
|
5.1%
|
$29,823,167
6,762,623 shares
|
$0 | 30 Jun 2026 |
| Matthew R. Miller |
3/4/5
Director
|
1.5%
|
$8,662,527
1,964,292 shares
|
+$259,488 | 19 Aug 2026 |
| Griffin Perry |
3/4/5
Director
|
1.3%
|
$7,746,764
1,756,636 shares
|
+$549,000 | 19 Aug 2026 |
| Kirk Lazarine |
3/4/5
Director
|
1.3%
|
$7,323,933
1,660,756 shares
|
+$49,750 | 19 Aug 2026 |
| Thaddeus Darden |
3/4/5
Director
|
0.49%
|
$2,820,586
639,589 shares
|
— | 19 Aug 2026 |
| John McCartney |
3/4/5
Director
|
0.11%
|
$745,715
149,143 shares
|
+$261,696 | 13 Aug 2026 |
| Michele J. Everard |
3/4/5
Director
|
0.06%
|
$365,715
73,143 shares
|
+$36,130 | 13 Aug 2026 |
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Net insider flow leans to buying over the last 12 months. Net value: +$1,344,579.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 24,296 | 0 | $119,129 | $0 | +$119,129 |
| 3-6 | 179,338 | 0 | $962,902 | $0 | +$962,902 |
| 6-9 | 20,062 | 0 | $106,668 | $0 | +$106,668 |
| 9-12 | 30,600 | 0 | $155,880 | $0 | +$155,880 |
Reporting owners
Showing 1-16 of 16 reporting-owner rows connected to Granite Ridge Resources, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| GREP GP III, LLC | 10%+ Owner | $228,683,435 | Mixed | 15 Sep 2023 | ||
| GREP GP II, LLC | 10%+ Owner | $30,827,129 | Mixed | 19 Jan 2023 | ||
| Matthew R. Miller | Director | $8,662,527 | +$259,488 | +3.1% | Median | 19 Aug 2026 |
| Griffin Perry | Director | $7,746,764 | +$549,000 | +7.6% | Median | 19 Aug 2026 |
| Kirk Lazarine | Director | $7,323,933 | +$49,750 | +0.68% | Median | 19 Aug 2026 |
| Thaddeus Darden | Director | $2,820,586 | Median | 19 Aug 2026 | ||
| Tyler S. Farquharson | President and CEO | $1,775,426 | +$116,625 | +7% | Filing P/S | 13 May 2026 |
| Luke C. Brandenberg | President and CEO | $1,425,882 | Filing P/S | 04 Jun 2025 | ||
| John McCartney | Director | $745,715 | +$261,696 | +54% | Filing P/S | 13 Aug 2026 |
| Ronald Kyle Kettler | Chief Financial Officer | $656,722 | +$71,890 | +12% | Filing P/S | 27 May 2026 |
| Kimberly Weimer | Chief Accounting Officer | $449,425 | Mixed | 05 Mar 2026 | ||
| Michele J. Everard | Director | $365,715 | +$36,130 | +11% | Filing P/S | 13 Aug 2026 |
| Amanda N. Coussens | Director | $309,736 | Mixed | 02 Jan 2026 | ||
| Jonathan Anson Adams | Director | $110,338 | Median | 19 Aug 2026 | ||
| John Cocke | Director | $108,574 | Median | 19 Aug 2026 | ||
| Zoran Durkovic | Chief Accounting Officer | $76,782 | Mixed | 21 Mar 2023 |
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| John Cocke | GRNT | Common Stock, par value $0.0001 per share | Award | 24,620 | 24,620 | 19 Aug 2026 | Direct | |||
| Jonathan Anson Adams | GRNT | Common Stock, par value $0.0001 per share | Award | 6155% | 24,620 | 25,020 | 19 Aug 2026 | Direct | ||
| Thaddeus Darden | GRNT | Common Stock, par value $0.0001 per share | Other | 59.5% | 220,418 | 591,102 | 19 Aug 2026 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Other | 43.8% | 598,531 | 1,964,292 | 19 Aug 2026 | Direct | ||
| Griffin Perry | GRNT | Common Stock, par value $0.0001 per share | Other | 50.9% | 592,733 | 1,756,636 | 19 Aug 2026 | Direct | ||
| Kirk Lazarine | GRNT | Common Stock, par value $0.0001 per share | Other | 55.5% | 592,733 | 1,660,756 | 19 Aug 2026 | Direct | ||
| Michele J. Everard | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1.39% | $5,000 | $5.00 | 1,000 | 73,143 | 13 Aug 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1.36% | $10,000 | $5.00 | 2,000 | 149,143 | 13 Aug 2026 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Award | 0.31% | 4,252 | 1,365,761 | 30 Jun 2026 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.05% | $3,459 | $4.97 | 696 | 1,361,509 | 12 Jun 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 2.79% | $19,840 | $4.96 | 4,000 | 147,143 | 10 Jun 2026 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.79% | $50,350 | $4.75 | 10,600 | 1,360,813 | 09 Jun 2026 | Direct |
| Ronald Kyle Kettler | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.87% | $30,480 | $5.08 | 6,000 | 129,276 | 27 May 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 2.87% | $22,160 | $5.54 | 4,000 | 143,143 | 21 May 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 2.2% | $17,430 | $5.81 | 3,000 | 139,143 | 19 May 2026 | Direct |
| Griffin Perry | GRNT | Common Stock, par value $0.0001 per share | Purchase | 9.4% | $549,000 | $5.49 | 100,000 | 1,163,903 | 18 May 2026 | Direct |
| Michele J. Everard | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1.41% | $5,280 | $5.28 | 1,000 | 72,143 | 14 May 2026 | Direct |
| Tyler S. Farquharson | GRNT | Common Stock, par value $0.0001 per share | Purchase | 2.99% | $51,500 | $5.15 | 10,000 | 344,743 | 13 May 2026 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1.36% | $94,718 | $5.21 | 18,180 | 1,350,213 | 13 May 2026 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Award | 0.24% | 3,194 | 1,332,033 | 31 Mar 2026 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.05% | $3,389 | $5.15 | 658 | 1,328,839 | 13 Mar 2026 | Direct |
| Ronald Kyle Kettler | GRNT | Common Stock, par value $0.0001 per share | Purchase | 2.49% | $15,510 | $5.17 | 3,000 | 123,276 | 13 Mar 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 3.81% | $25,800 | $5.16 | 5,000 | 136,143 | 12 Mar 2026 | Direct |
| Michele J. Everard | GRNT | Common Stock, par value $0.0001 per share | Purchase | 7.56% | $25,850 | $5.17 | 5,000 | 71,143 | 12 Mar 2026 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1.55% | $10,240 | $5.12 | 2,000 | 131,143 | 11 Mar 2026 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.76% | $51,000 | $5.10 | 10,000 | 1,328,181 | 10 Mar 2026 | Direct |
| Ronald Kyle Kettler | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.34% | $25,900 | $5.18 | 5,000 | 120,276 | 10 Mar 2026 | Direct |
| Tyler S. Farquharson | GRNT | Common Stock, par value $0.0001 per share | Purchase | 3.88% | $65,125 | $5.21 | 12,500 | 334,743 | 10 Mar 2026 | Direct |
| Kimberly Weimer | GRNT | Common Stock, par value $0.0001 per share | Tax liability | -1.11% | -1,099 | 97,914 | 06 Mar 2026 | Direct | ||
| Kimberly Weimer | GRNT | Common Stock, par value $0.0001 per share | Tax liability | -1.53% | -1,543 | 99,013 | 05 Mar 2026 | Direct | ||
| Tyler S. Farquharson | GRNT | Common Stock, par value $0.0001 per share | Award | 17.4% | 47,656 | 322,243 | 04 Mar 2026 | Direct | ||
| Tyler S. Farquharson | GRNT | Employee stock option (right to buy) | Award | 20.8% | 61,937 | 360,395 | 04 Mar 2026 | Direct | ||
| Ronald Kyle Kettler | GRNT | Common Stock, par value $0.0001 per share | Award | 17.4% | 17,110 | 115,276 | 04 Mar 2026 | Direct | ||
| Ronald Kyle Kettler | GRNT | Employee stock option (right to buy) | Award | 40,541 | 40,541 | 04 Mar 2026 | Direct | |||
| Kimberly Weimer | GRNT | Common Stock, par value $0.0001 per share | Award | 36% | 26,616 | 100,556 | 04 Mar 2026 | Direct | ||
| Ronald Kyle Kettler | GRNT | Common Stock, par value $0.0001 per share | Award | 13923.7% | 97,466 | 98,166 | 09 Feb 2026 | Direct | ||
| Ronald Kyle Kettler | GRNT | Performance Stock Unit | Award | 292,398 | 292,398 | 09 Feb 2026 | Direct | |||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Award | 1.23% | 16,026 | 1,318,181 | 02 Jan 2026 | Direct | ||
| Griffin Perry | GRNT | Common Stock, par value $0.0001 per share | Award | 1.53% | 16,026 | 1,063,903 | 02 Jan 2026 | Direct | ||
| Kirk Lazarine | GRNT | Common Stock, par value $0.0001 per share | Award | 1.52% | 16,026 | 1,068,023 | 02 Jan 2026 | Direct | ||
| Thaddeus Darden | GRNT | Common Stock, par value $0.0001 per share | Award | 4.52% | 16,026 | 370,684 | 02 Jan 2026 | Direct | ||
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Award | 14.2% | 16,026 | 129,143 | 02 Jan 2026 | Direct | ||
| Michele J. Everard | GRNT | Common Stock, par value $0.0001 per share | Award | 32% | 16,026 | 66,143 | 02 Jan 2026 | Direct | ||
| Amanda N. Coussens | GRNT | Common Stock, par value $0.0001 per share | Award | 36.3% | 16,026 | 60,143 | 02 Jan 2026 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Award | 0.31% | 3,989 | 1,302,155 | 31 Dec 2025 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.05% | $3,324 | $5.13 | 648 | 1,298,166 | 15 Dec 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.62% | $26,300 | $5.26 | 5,000 | 113,117 | 08 Dec 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 3.84% | $21,640 | $5.41 | 4,000 | 108,117 | 05 Dec 2025 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.73% | $50,038 | $5.33 | 9,388 | 1,297,518 | 04 Dec 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 1% | $5,366 | $5.23 | 1,026 | 104,117 | 01 Dec 2025 | Direct |