SEC Insider Transactions from HEFFINGER BRANDON.

Last updated: 2026-03-14 11:26 UTC | Total transactions: 14

HEFFINGER BRANDON has filed 14 insider transactions across 1 company since June 2023.

Most recent transaction: a sale of 34858 shares of NET Power Inc. ($NPWR) on September 01, 2023.

Activity breakdown: 0 open-market purchases and 6 sales.

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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
Sept. 1, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 34858 $14.19 0.0000 8,625,000 100.00% 0.40%
Aug. 30, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 76142 $14.31 73,858.0000 8,625,000 50.76% 0.88%
Aug. 31, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 39000 $13.93 34,858.0000 8,625,000 52.80% 0.45%
Aug. 28, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer C Class A Common Stock 150000 $0.00 150,000.0000 8,625,000 9999.99% 1.74%
Aug. 28, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer J Class B Common Stock 150000 $0.00 214,559.0000 8,625,000 41.15% 1.74%
Aug. 28, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer C Class A Units of NET Power Operations LLC 150000 $0.00 214,559.0000 8,625,000 41.15% 1.74%
Aug. 21, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 27771 $15.19 0.0000 8,625,000 100.00% 0.32%
Aug. 17, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 54944 $14.80 95,056.0000 8,625,000 36.63% 0.64%
Aug. 18, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer S Class A Common Stock 67285 $15.39 27,771.0000 8,625,000 70.78% 0.78%
Aug. 9, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer J Class B Common Stock 150000 $0.00 364,559.0000 8,625,000 29.15% 1.74%
Aug. 9, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer C Class A Common Stock 150000 $0.00 150,000.0000 8,625,000 9999.99% 1.74%
Aug. 9, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer C Class A Units of NET Power Operations LLC 150000 $0.00 364,559.0000 8,625,000 29.15% 1.74%
June 8, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer A Class B Common Stock 514559 $0.00 514,559.0000 0 9999.99% 0.00%
June 8, 2023 NET Power Inc. $NPWR HEFFINGER BRANDON Chief Commercial Officer A Class A Units of NET Power Operations LLC 514559 $0.00 514,559.0000 0 9999.99% 0.00%