Comparable stake leader
GREP GP III, LLC
SEC ownership of Granite Ridge Resources, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001928446.
Disclosed value leader
Grey Rock Energy Management, LLC
Comparable rows
50/50
Latest evidence
30 Jun 2026
- Public ticker
- GRNT on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
GREP GP III, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
GREP GP III, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001928446
- Issuer location
- Dallas, TX
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Granite Ridge Resources, Inc. (13F + 13D/G + 3/4/5)
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.
Comparable stake leader
GREP GP III, LLC
Disclosed value leader
Grey Rock Energy Manageme...
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G
3/4/5
13F
Lead comparable stake: 50%
13D/G row: GREP GP III, LLC
Showing 1-8 of 50 holder rows.
Quick read
GREP GP III, LLC leads the comparable SEC ownership view at 50%.
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.
Open SEC evidence
Opens GREP GP III, LLC's linked filing trail.
Comparable ownership
Top 5
GREP GP III, LLC
50%
Matthew R. Miller
1%
Griffin Perry
0.89%
Kirk Lazarine
0.82%
Thaddeus Darden
0.32%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| GREP GP III, LLC |
13D/G
3/4/5
10%+ Owner
|
50%
|
$320,138,233
65,602,097 shares
|
$0 | 12 Dec 2024 |
| Matthew R. Miller |
3/4/5
Director
|
1%
|
$8,017,017
1,365,761 shares
|
+$359,720 | 30 Jun 2026 |
| Griffin Perry |
3/4/5
Director
|
0.89%
|
$6,389,827
1,163,903 shares
|
+$549,000 | 18 May 2026 |
| Kirk Lazarine |
3/4/5
Director
|
0.82%
|
$5,500,318
1,068,023 shares
|
+$49,750 | 02 Jan 2026 |
| Thaddeus Darden |
3/4/5
Director
|
0.32%
|
$2,158,730
419,171 shares
|
— | 02 Jan 2026 |
| John Mccartney |
3/4/5
Director
|
0.11%
|
$729,829
147,143 shares
|
+$341,858 | 10 Jun 2026 |
| Michele J. Everard |
3/4/5
Director
|
0.06%
|
$380,915
72,143 shares
|
+$36,460 | 14 May 2026 |
| Amanda N. Coussens |
3/4/5
Director
|
0.05%
|
$309,736
60,143 shares
|
— | 02 Jan 2026 |
How to read this table
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
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$1,525,303.
Buys
$1,525,303
Insiders: 7
Sells
$0
Insiders: 0
Net
+$1,525,303
Shares: +287,970
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 287,970
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 157,476 | 0 | $844,217 | $0 | +$844,217 |
| 3-6 | 43,158 | 0 | $222,814 | $0 | +$222,814 |
| 6-9 | 46,062 | 0 | $238,298 | $0 | +$238,298 |
| 9-12 | 41,274 | 0 | $219,974 | $0 | +$219,974 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to Granite Ridge Resources, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
GREP GP III, LLC
Net 12M change
+$1,525,303
Latest report
30 Jun 2026
| 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 | $8,017,017 | +$359,720 | +4.7% | Mixed | 30 Jun 2026 |
| Griffin Perry | Director | $6,389,827 | +$549,000 | +9.4% | Filing P/S | 18 May 2026 |
| Kirk Lazarine | Director | $5,500,318 | +$49,750 | +0.91% | Mixed | 02 Jan 2026 |
| Thaddeus Darden | Director | $2,158,730 | Mixed | 02 Jan 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 | $729,829 | +$341,858 | +88% | Filing P/S | 10 Jun 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 | $380,915 | +$36,460 | +11% | Filing P/S | 14 May 2026 |
| Amanda N. Coussens | Director | $309,736 | Mixed | 02 Jan 2026 | ||
| Zoran Durkovic | Chief Accounting Officer | $76,782 | Mixed | 21 Mar 2023 |
Recent insider transactions for Granite Ridge Resources, Inc.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Kirk Lazarine | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.96% | $49,750 | $4.98 | 10,000 | 1,051,997 | 21 Nov 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.04% | $20,200 | $5.05 | 4,000 | 103,091 | 19 Nov 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.21% | $20,280 | $5.07 | 4,000 | 99,091 | 18 Nov 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.39% | $20,720 | $5.18 | 4,000 | 95,091 | 17 Nov 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.59% | $20,680 | $5.17 | 4,000 | 91,091 | 13 Nov 2025 | Direct |
| John McCartney | GRNT | Common Stock, par value $0.0001 per share | Purchase | 4.81% | $21,040 | $5.26 | 4,000 | 87,091 | 11 Nov 2025 | Direct |
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Award | 0.27% | 3,466 | 1,288,130 | 30 Sep 2025 | Direct | ||
| Matthew R. Miller | GRNT | Common Stock, par value $0.0001 per share | Purchase | 0.05% | $3,210 | $5.35 | 600 | 1,284,664 | 15 Sep 2025 | Direct |
* marks a reported price that did not pass the local price check.