| 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 |
|---|---|---|---|---|---|---|---|---|---|
Chief Accounting Officer
1 company
John Rothka is Chief Accounting Officer at CNR. John Rothka'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 $433K at current prices.
Historically, John Rothka's trades have earned a middling insider score of 58/100 across 8 rated trades. Over a 12-month horizon, 50.0% of those trades were profitable, with an average 12-month return of -1.4%.
The CNR filings lean toward selling, a net 15,300 shares.
John Rothka has 34 Form 4 filings on record from December 2017 to March 2026, all as Chief Accounting Officer at Core Natural Resources (CNR), 2017–2026.
The 48 reported transactions were 23 tax withholdings, 14 stock awards, 8 open-market sales and 1 option exercise, plus smaller numbers of other types.
Counted by filing, the open-market trades come to no purchases and 7 sales worth about $1.3M.
The largest open-market sale was 3,800 shares of CNR at an average $91.62 on March 10, 2026, about $348K.
2 of the 5 sales since April 2023 were made under a Rule 10b5-1 trading plan; the other 3 were not.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell | 1,000 | $97.66 | $97,660.00 | -16.2% | -11.2% | - | |
| Mar 10, 2026 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell | 3,800 | $91.62 | $348,156.00 | -38.0% | +2.0% | - | |
| Oct 9, 2025 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell10b5-1 | 2,000 | $97.50 | $195,000.00 | -17.7% | -6.0% | -9.5% | |
| Oct 3, 2025 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell10b5-1 | 2,500 | $90.00 | $225,000.00 | -18.1% | +1.2% | +0.1% | |
| Mar 7, 2024 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell | 2,000 | $94.56 | $189,120.00 | -13.2% | +3.7% | -28.9% | |
| Mar 3, 2023 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell | 2,000 | $64.34 | $128,680.00 | -12.3% | -13.8% | +38.6% | |
| Aug 18, 2022 | CNR Core Natural Resources, Inc. | Chief Accounting Officer | Sell | 2,000 | $70.36 | $140,720.00 | -11.0% | -14.4% | +17.5% |