John Rothka

CIK: 0001713960

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (35.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (28.6%)

Compensation grants

Other (G, F, J, C, D, …)5 (35.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

CNR

Core Natural Resources, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (14 total)

CNR
Core Natural Resources, Inc.
Mar 17, 2026
Sale(S)
Direct
1K shares at avg. $97.66$98K
CNR
Core Natural Resources, Inc.
Mar 10, 2026
Sale(S)
Direct
3.8K shares at avg. $91.62$348K
CNR
Core Natural Resources, Inc.
Feb 18, 2026
Tax Payment(F)
Direct
79 shares at avg. $88.96$7K
CNR
Core Natural Resources, Inc.
Feb 18, 2026
Tax Payment(F)
Direct
97 shares at avg. $88.96$9K
CNR
Core Natural Resources, Inc.
Feb 17, 2026
Award(A)
Direct
760 shares-
CNR
Core Natural Resources, Inc.
Oct 9, 2025
Sale(S)
Direct
1K shares at avg. $100.00$100K
CNR
Core Natural Resources, Inc.
Oct 8, 2025
Sale(S)
Direct
1K shares at avg. $95.00$95K
CNR
Core Natural Resources, Inc.
Oct 3, 2025
Sale(S)
Direct
2.5K shares at avg. $90.00$225K
CNR
Core Natural Resources, Inc.
Feb 18, 2025
Award(A)
Direct
828 shares-
CNR
Core Natural Resources, Inc.
Jan 14, 2025
Tax Payment(F)
Direct
140 shares at avg. $101.95$14K
CNR
Core Natural Resources, Inc.
Jan 14, 2025
Award(A)
Direct
515 shares-
CNR
Core Natural Resources, Inc.
Jan 14, 2025
Tax Payment(F)
Direct
147 shares at avg. $101.95$15K
CNR
Core Natural Resources, Inc.
Jan 14, 2025
Tax Payment(F)
Direct
849 shares at avg. $101.95$87K
CNR
Core Natural Resources, Inc.
Jan 14, 2025
Award(A)
Direct
492 shares-

		Type	Shares	Price		Ownership
Mar 17, 2026	CNR Core Natural Resources, Inc.	Sale(S)	1,000	$97.66	$97,660	Direct
Mar 10, 2026	CNR Core Natural Resources, Inc.	Sale(S)	3,800	$91.62	$348,156	Direct
Feb 18, 2026	CNR Core Natural Resources, Inc.	Tax Payment(F)	79	$88.96	$7,028	Direct
Feb 18, 2026	CNR Core Natural Resources, Inc.	Tax Payment(F)	97	$88.96	$8,629	Direct
Feb 17, 2026	CNR Core Natural Resources, Inc.	Award(A)	760	-	$0	Direct
Oct 9, 2025	CNR Core Natural Resources, Inc.	Sale(S)	1,000	$100.00	$100,000	Direct
Oct 8, 2025	CNR Core Natural Resources, Inc.	Sale(S)	1,000	$95.00	$95,000	Direct
Oct 3, 2025	CNR Core Natural Resources, Inc.	Sale(S)	2,500	$90.00	$225,000	Direct
Feb 18, 2025	CNR Core Natural Resources, Inc.	Award(A)	828	-	-	Direct
Jan 14, 2025	CNR Core Natural Resources, Inc.	Tax Payment(F)	140	$101.95	$14,273	Direct
Jan 14, 2025	CNR Core Natural Resources, Inc.	Award(A)	515	-	$0	Direct
Jan 14, 2025	CNR Core Natural Resources, Inc.	Tax Payment(F)	147	$101.95	$14,987	Direct
Jan 14, 2025	CNR Core Natural Resources, Inc.	Tax Payment(F)	849	$101.95	$86,556	Direct
Jan 14, 2025	CNR Core Natural Resources, Inc.	Award(A)	492	-	$0	Direct

1-14 of 14 transactions

About Rothka John

Rothka John (SEC CIK 0001713960) files insider reports with the SEC as Chief Accounting Officer of Core Natural Resources, Inc. (CNR).

Signal8 holds 8 ownership filings by Rothka John, all Form 4s, filed between Jan 16, 2025 and Mar 19, 2026. Those filings report 14 transactions, from Jan 14, 2025 to Mar 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Rothka John's filings is in CANONSBURG, PA.

Recent filings by Rothka John

Mar 17, 2026: Open-market sale of CNR shares (Form 4, code S).
Mar 10, 2026: Open-market sale of CNR shares (Form 4, code S).
Feb 18, 2026: Tax withholdings of CNR shares (2 lines, Form 4, code F).
Feb 17, 2026: Grant or award of CNR shares (Form 4, code A).
Oct 9, 2025: Open-market sale of CNR shares (Form 4, code S).

Other insiders filing for Core Natural Resources, Inc. (CNR)

Tucker Nathan Joseph, SVP & Chief Financial Officer
Keating Ronald C, Director
Doheny Edward L II, Director
Brock James A, Executive Chair and CEO
Klein Rosemary L, SVP, CLO & Corp. Sec.
NAVARRE RICHARD A, Director

How to read Form 4 transaction codes