UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 1. Name and Address of Reporting Person(s) SELF SHANNON POST OFFICE BOX 61091 OKLAHOMA CITY, OK 73146 2. Issuer Name and Ticker or Trading Symbol Chesapeake Energy Corporation (CHK) 3. I.R.S. Identification Number of Reporting Person, if an entity (Voluntary) 4. Statement for Month/Year 03/02 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) [X] Director [ ] 10% Owner [ ] Officer (give title below) [ ] Other (specify below) 7. Individual or Joint/Group Filing (Check Applicable Line) [X] Form filed by One Reporting Person [ ] Form filed by More than One Reporting Person Table I Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Security 2)Trans- 3.Trans- 4.Securities Acquired(A) 5)Amount of 6) 7)Nature of action action or Disposed of (D) Securities Indirect Date Code A Beneficially D Beneficial (Month/ or Owned at or Ownership Day/Year) Code V Amount D Price End of Month I - ------------------------------------------------------------------------------------------------------------------------------------ Common Stock 03/13/02 X 2,500 A $1.3334 15,294 D Direct Common Stock 17,782 I by Partnership Table II (PART 1) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1 through 6) - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 2)Conversion 3)Trans- 4)Trans- 5)Number of Derivative 6)Date Exercisable and Security or Exercise action action Securities Acquired (A) Expiration Date Price of Date Code or Disposed of (D) Derivative Security Code V A D Exercisable Expiration - ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option $3.0000 07/01/09 (right to buy) Non-Qualified Stock Option $3.2500 04/03/10 (right to buy) Non-Qualified Stock Option $3.3889 12/16/04 (right to buy) Non-Qualified Stock Option $3.8100 10/01/09 (right to buy) Non-Qualified Stock Option $4.0000 07/01/08 (right to buy) Non-Qualified Stock Option $5.6000 10/01/11 (right to buy) Non-Qualified Stock Option $5.8100 04/01/08 (right to buy) Non-Qualified Stock Option $2.4311 10/11/04 (right to buy) Non-Qualified Stock Option $6.4500 07/02/11 (right to buy) Non-Qualified Stock Option $6.4734 10/10/05 (right to buy) Non-Qualified Stock Option $6.6900 01/06/08 (right to buy) Non-Qualified Stock Option $6.6900 01/02/02 A V 8,750 01/02/12 (right to buy) Non-Qualified Stock Option $0.5556 04/19/04 (right to buy) Non-Qualified Stock Option $0.6667 12/15/03 (right to buy) Non-Qualified Stock Option $0.7089 09/30/03 (right to buy) Non-Qualified Stock Option $1.0000 01/04/09 (right to buy) Non-Qualified Stock Option $1.1300 10/01/08 (right to buy) Non-Qualified Stock Option $1.3334 03/13/02 X 2,500 02/11/03 (right to buy) Non-Qualified Stock Option $1.3750 04/01/09 (right to buy) Non-Qualified Stock Option $2.2500 01/03/10 (right to buy) Non-Qualified Stock Option $7.5600 10/02/10 (right to buy) Non-Qualified Stock Option $8.2500 04/02/11 (right to buy) Non-Qualified Stock Option $8.7500 07/01/07 (right to buy) Non-Qualified Stock Option $9.0000 01/02/11 (right to buy) Non-Qualified Stock Option $10.6900 10/01/07 (right to buy) Non-Qualified Stock Option $30.6250 10/08/06 (right to buy) Non-Qualified Stock Option $7.3800 07/03/10 (right to buy) Table II (PART 2) Derivative Securities Acquired, Disposed of, or Beneficially Owned (Columns 1,3 and 7 through 11) - ------------------------------------------------------------------------------------------------------------------------------------ 1)Title of Derivative 3)Trans- 7)Title and Amount 8)Price 9)Number of 10) 11)Nature of Security action of Underlying of Deri- Derivative Indirect Date Securities vative Securities D Beneficial Amount or Security Beneficially or Ownership Number of Owned at I - Title Shares End of Month - ------------------------------------------------------------------------------------------------------------------------------------ Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 7,500 7,500 D Direct (right to buy) Non-Qualified Stock Option Common Stock 45,000 45,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 8,750 8,750 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 45,000 45,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 8,750 8,750 D Direct (right to buy) Non-Qualified Stock Option Common Stock 45,000 45,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 3,750 3,750 D Direct (right to buy) Non-Qualified Stock Option 01/02/02 Common Stock 8,750 8,750 D Direct (right to buy) Non-Qualified Stock Option Common Stock 22,500 22,500 D Direct (right to buy) Non-Qualified Stock Option Common Stock 45,000 45,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 11,616 11,616 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option 03/13/02 Common Stock 2,500 15,300 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 6,250 6,250 D Direct (right to buy) Non-Qualified Stock Option Common Stock 7,500 7,500 D Direct (right to buy) Non-Qualified Stock Option Common Stock 7,500 7,500 D Direct (right to buy) Non-Qualified Stock Option Common Stock 3,750 3,750 D Direct (right to buy) Non-Qualified Stock Option Common Stock 7,500 7,500 D Direct (right to buy) Non-Qualified Stock Option Common Stock 3,750 3,750 D Direct (right to buy) Non-Qualified Stock Option Common Stock 20,000 20,000 D Direct (right to buy) Non-Qualified Stock Option Common Stock 7,500 7,500 D Direct (right to buy)Explanation of Responses: SIGNATURE OF REPORTING PERSON /S/ By: Jennifer M. Grigsby For: Shannon T. Self DATE 04/03/02