| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Matthew Reade Miller is Director at GRNT. Matthew Reade Miller's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $10.1M at current prices.
Historically, Matthew Reade Miller's trades have earned a middling insider score of 57/100 across 32 rated trades. Over a 12-month horizon, 37.5% of those trades were profitable, with an average 12-month return of -5.0%.
Net of sales, the GRNT filings show accumulation of 245,487 shares.
Matthew Reade Miller has 47 Form 4 filings on record from January 2023 to September 2026, all as Director at Granite Ridge Resources (GRNT), 2023–2026.
The 51 reported transactions were 33 open-market purchases, 11 stock awards and 7 other transactions.
Counted by filing, the open-market trades come to 30 purchases worth about $1.4M and no sales.
The largest open-market purchase was 41,000 shares of GRNT at an average $6.10 on December 6, 2024, about $250K. Twelve months later GRNT was down 12%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 10,000 | $5.03 | $50,300.00 | +0.5% | - | - | |
| Jun 12, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 696 | $4.97 | $3,459.12 | - | +3.7% | - | |
| Jun 9, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 10,600 | $4.75 | $50,350.00 | +0.8% | +5.8% | - | |
| May 13, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 18,180 | $5.21 | $94,717.80 | +1.4% | +0.4% | - | |
| Mar 13, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 658 | $5.15 | $3,388.70 | - | -6.4% | - | |
| Mar 10, 2026 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 10,000 | $5.10 | $51,000.00 | +0.8% | -3.4% | - | |
| Dec 15, 2025 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 648 | $5.13 | $3,324.24 | - | +6.2% | - | |
| Dec 4, 2025 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 9,388 | $5.33 | $50,038.04 | +0.7% | -1.3% | - | |
| Sep 15, 2025 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 600 | $5.35 | $3,210.00 | - | -7.1% | -0.6% | |
| Aug 12, 2025 | GRNT Granite Ridge Resources, Inc. | Director | Buy | 18,700 | $5.36 | $100,232.00 | +1.5% | -5.6% | -5.0% |