Insider trade

Officer sold ~$100K of CNR shares in the open market

Traded Oct 9, 2025 · Filed Oct 10, 2025

~$100K
Approx. value · 1,000 sh @ $100.00: 9,307
Holds after · shares reported: −6.9%
stock since the trade · S&P 500 +15.4%, $97.75 → $91.01 on Oct 5

Why it stands out

Core Natural Resources's Chief Accounting Officer sold $100K of Core Natural Resources shares. The filing says it was made under a pre-arranged trading plan.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Oct 9, 2025
Reporting period: Not applicable
Filed with the SEC: Oct 10, 2025

Officer$100K–$500KPre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$100,000

Shares × reported transaction price

Timing vs results

65 days after results of Aug 5, 2025, 28 days before results of Nov 6, 2025

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	−8.5%	+1.3%	−9.8%
30 days	−12.1%	+3.1%	−15.2%
90 days	−2.4%	+4.8%	−7.3%
180 days	−10.5%	+3.5%	−13.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001193125-25-236656
Filed / recorded: Oct 10, 2025, 3:10 PM UTC
Added to OQRO: Oct 6, 2026, 10:35 PM UTC
Parser: form4-xml-v2
Data quality: Verified: identifiers matched exactly
Issuer: Core Natural Resources, Inc.
Issuer CIK: 1710366
Ticker: CNR
Reporting person: John Rothka
Relationship: Officer
Officer title: Chief Accounting Officer
Security: Common stock, par value $0.01 per share
Table: Non-derivative (Table I)
Transaction date: Oct 9, 2025
Transaction code: S
Shares / units: 1,000
Price per share: $100.00
Acquired / disposed: Disposed (D)
Shares owned after: 9,307
Ownership form: Direct
Amendment: No

Footnotes from the filing

The sale of shares was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 24, 2025 and represents an automatic sale.
Of the 9,307 shares reported, 828 are unvested restricted stock units.

Around the same time

John Rothka (Chief Accounting Officer) sold ~$95K of Core Natural Resources, Inc.

Scheduled in advanceFiled 12mo ago

John Rothka (Chief Accounting Officer) sold ~$225K of Core Natural Resources, Inc.

Scheduled in advanceFiled 1y ago