SEC Insider Transactions from Brandenberg Luke C.

Last updated: 2026-03-14 11:18 UTC | Total transactions: 24

Luke C. Brandenberg, President and CEO of Granite Ridge Resources ($GRNT), made two open market purchases of company shares over the past year, totaling about $137,000. His most recent buy occurred on June 4, 2025. These GRNT insider buys rank 1,897th among 4,983 individual insiders in our database, where the average purchase amount is $1.46 million across 3.29 transactions. Brandenberg reported no open market sales in the last 365 days.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
June 4, 2025 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 6100 $5.80 157,267.0000 130,227,000 4.04% 0.00%
May 15, 2025 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 18252 $5.55 151,167.0000 130,227,000 13.73% 0.01%
March 5, 2025 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Common Stock, par value $0.0001 per share 22282 $0.00 132,915.0000 130,227,000 20.14% 0.02%
March 5, 2025 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Employee stock option (right to buy) 64103 $0.00 338,282.0000 130,227,000 23.38% 0.05%
Dec. 11, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 8495 $6.10 109,128.0000 130,242,000 8.44% 0.01%
Dec. 12, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 1505 $6.07 110,633.0000 130,242,000 1.38% 0.00%
Dec. 5, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 1500 $6.21 100,633.0000 130,242,000 1.51% 0.00%
Nov. 26, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 2500 $6.57 99,133.0000 130,242,000 2.59% 0.00%
Nov. 15, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 5000 $6.50 96,633.0000 130,242,000 5.46% 0.00%
Aug. 13, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 5000 $6.23 91,633.0000 133,109,000 5.77% 0.00%
June 14, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 5000 $5.93 86,633.0000 133,109,000 6.12% 0.00%
May 14, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 5000 $6.25 81,633.0000 133,109,000 6.52% 0.00%
March 21, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO F Common Stock, par value $0.0001 per share 1314 $6.41 76,633.0000 133,109,000 1.69% 0.00%
March 15, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 5000 $6.20 77,947.0000 133,109,000 6.85% 0.00%
March 6, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Common Stock, par value $0.0001 per share 20627 $0.00 72,947.0000 133,109,000 39.42% 0.02%
March 6, 2024 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Employee stock option (right to buy) 78125 $0.00 78,125.0000 133,109,000 9999.99% 0.06%
Nov. 14, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 2500 $6.00 52,320.0000 133,074,000 5.02% 0.00%
Sept. 15, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 10000 $5.00 49,820.0000 133,074,000 25.11% 0.01%
May 23, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO P Common Stock, par value $0.0001 per share 10000 $5.67 39,820.0000 133,074,000 33.53% 0.01%
March 21, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Common Stock, par value $0.0001 per share 13287 $0.00 29,820.0000 133,074,000 80.37% 0.01%
March 21, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Employee stock option (right to buy) 160000 $0.00 160,000.0000 133,074,000 9999.99% 0.12%
March 21, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Employee stock option (right to buy) 36054 $0.00 36,054.0000 133,074,000 9999.99% 0.03%
Jan. 3, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO A Common Stock, par value $0.0001 per share 23502 $0.00 23,502.0000 133,074,000 9999.99% 0.02%
Jan. 3, 2023 Granite Ridge Resources, Inc. $GRNT Brandenberg Luke C President and CEO F Common Stock, par value $0.0001 per share 6969 $8.51 16,533.0000 133,074,000 29.65% 0.01%