Heffinger Brandon insider trades
Heffinger Brandon has filed 7 Form 4s with the SEC that we hold, all for Net Power Inc. (NPWR), as Chief Commercial Officer. Across all of them we count 0 purchases worth $0 and 6 sales worth $4.4M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 76,142 shares of Net Power Inc. worth $1.1M, dated 2023-08-30. The first filing on our record is dated 2023-06-12 and the latest 2023-09-05.
Net Power Inc. (NPWR)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-08-17 | S, sale reported on Form 4 | 54,944 | $813.2K | 2023-08-21 |
| 2023-08-18 | S, sale reported on Form 4 | 67,285 | $1.0M | 2023-08-21 |
| 2023-08-21 | S, sale reported on Form 4 | 27,771 | $421.8K | 2023-08-23 |
| 2023-08-30 | S, sale reported on Form 4 | 76,142 | $1.1M | 2023-09-01 |
| 2023-08-31 | S, sale reported on Form 4 | 39,000 | $543.3K | 2023-09-01 |
| 2023-09-01 | S, sale reported on Form 4 | 34,858 | $494.6K | 2023-09-05 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1975934) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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