| 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 |
|---|---|---|---|---|---|---|---|---|---|
President and CEO
1 company
Luke C Brandenberg last filed a Form 4 in June 2025, as President and CEO at GRNT. Luke C Brandenberg's net worth is not public. Form 4 filings only show shares in the companies where this person was an insider, as of the last filing.
Historically, Luke C Brandenberg's trades have earned a middling insider score of 52/100 across 14 rated trades. Over a 12-month horizon, 28.6% of those trades were profitable, with an average 12-month return of -7.2%.
At the last filing, the largest reported position was 157,267 shares of GRNT. Net of sales, the GRNT filings show accumulation of 85,852 shares.
Luke C Brandenberg has 18 Form 4 filings on record from January 2023 to June 2025, all as President and CEO at Granite Ridge Resources (GRNT), 2023–2025.
The 24 reported transactions were 14 open-market purchases, 4 stock awards, 4 option or other derivative awards and 2 tax withholdings.
Counted by filing, the open-market trades come to 13 purchases worth about $501K and no sales.
The largest open-market purchase was 18,252 shares of GRNT at an average $5.55 on May 15, 2025, about $101K. Twelve months later GRNT was down 1%.
Shares as reported in the last Form 4 for each company; the most recent is from June 2025. Values use today's prices. Any trades after the last filing were not reported, so current holdings may differ.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 4, 2025 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 6,100 | $5.80 | $35,380.00 | +4.0% | -1.9% | -13.2% | |
| May 15, 2025 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 18,252 | $5.55 | $101,298.60 | +13.7% | -2.5% | -1.1% | |
| Dec 12, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 10,000 | $6.10 | $60,954.85 | +9.9% | -9.8% | -17.8% | |
| Dec 5, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 1,500 | $6.21 | $9,315.00 | +1.5% | -10.1% | -13.1% | |
| Nov 26, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 2,500 | $6.57 | $16,425.00 | +2.6% | -6.0% | -20.1% | |
| Nov 15, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 5,000 | $6.50 | $32,500.00 | +5.5% | -3.9% | -19.1% | |
| Aug 13, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 5,000 | $6.23 | $31,150.00 | +5.8% | +2.9% | -16.2% | |
| Jun 14, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 5,000 | $5.93 | $29,650.00 | +6.1% | +4.8% | +2.2% | |
| May 14, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 5,000 | $6.25 | $31,250.00 | +6.5% | -1.9% | -11.7% | |
| Mar 15, 2024 | GRNT Granite Ridge Resources, Inc. | President and CEO | Buy | 5,000 | $6.20 | $31,000.00 | +6.9% | -2.1% | -7.7% |