SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* ZELNAK STEPHEN P JR (Last) (First) (Middle) 2710 WYCLIFF ROAD2710 WYCLIFF ROAD (Street) RALEIGH NC 27607 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol MARTIN MARIETTA MATERIALS INC [ MLM ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) Chairman, President and CEO
	3. Date of Earliest Transaction (Month/Day/Year) 12/05/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. 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 (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/05/2005		M		5,000	A	$36.55	118,633	D
Common Stock	12/05/2005		M		3,333	A	$38.32	121,966	D
Common Stock	12/05/2005		F		855	D	$77.24	121,111	D
Common Stock	12/05/2005		F		545	D	$77.24	120,566	D
Common Stock	12/05/2005		S		200	D	$76.17	120,366	D
Common Stock	12/05/2005		S		200	D	$76.18	120,166	D
Common Stock	12/05/2005		S		100	D	$76.19	120,066	D
Common Stock	12/05/2005		S		200	D	$76.2	119,866	D
Common Stock	12/05/2005		S		300	D	$76.21	119,566	D
Common Stock	12/05/2005		S		400	D	$76.22	119,166	D
Common Stock	12/05/2005		S		500	D	$76.23	118,666	D
Common Stock	12/05/2005		S		800	D	$76.24	117,866	D
Common Stock	12/05/2005		S		700	D	$76.25	117,166	D
Common Stock	12/05/2005		S		100	D	$76.26	117,066	D
Common Stock	12/05/2005		S		200	D	$76.27	116,866	D
Common Stock	12/05/2005		S		400	D	$76.28	116,466	D
Common Stock	12/05/2005		S		1,000	D	$76.29	115,466	D
Common Stock	12/05/2005		S		600	D	$76.3	114,866	D
Common Stock	12/05/2005		S		100	D	$76.32	114,766	D
Common Stock	12/05/2005		S		600	D	$76.33	114,166	D
Common Stock	12/05/2005		S		100	D	$76.35	114,066	D
Common Stock	12/05/2005		S		200	D	$76.37	113,866	D
Common Stock	12/05/2005		S		233	D	$76.38	113,633	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)(1)	$36.55	12/05/2005		M			5,000	(1)	08/15/2012	Common Stock	5,000	(1)	0.00	D
Employee Stock Option (right to buy)(1)	$38.32	12/05/2005		M			3,333	(1)	08/19/2013	Common Stock	3,333	(1)	41,667	D

Explanation of Responses:

1. Non-qualified stock option award granted under the Martin Marietta Materials, Inc. Amended and Restated Stock-Based Award Plan. Options become exercisable in three equal annual installments commencing one year from the date of grant.

Remarks:

	Stephen P. Zelnak, Jr.	12/06/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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