1
- ------                                                                         
FORM 4                                                                         
- ------                                                                         

                                 U.S. SECURITIES AND EXCHANGE COMMISSION
                                          Washington, DC 20549
                                       
                               STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
/ / Check box if no                                                     
    longer subject to         Filed pursuant to Section 16(a) of the Securities 
    Section 16. Form 4            Exchange Act of 1934, Section 17(a) of the 
    or Form 5 obligations         Public Utility Holding Company Act of 1935
    may continue. See              or Section 30(f) of the Investment Company
    Instruction 1(b).                           Act of 1940               

                                                                                                          
- ------------------------------------------------------------------------------------------------------------------------------------
| 1. Name and Address of Reporting Person(1) | 2. Issuer Name and Ticker or Trading Symbol  |6. Relationship of Reporting Person to|
|    Winchester, Robert R.                   |    Martin Marietta Materials, Inc. (MLM)     |     Issuer (Check all applicable)    |
|--------------------------------------------|----------------------------------------------|                                      |
| (Last)          (First)          (Middle)  | 3. IRS Identification   | 4.  Statement For  |   ----Director      ---10% Owner     |
|                                            |    Number of Reporting  |     Month/Year     |                                      |
|                                            |    Person, if an Entity |                    |    X  Officer (give ---Other (Specify|
|                                            |    (Voluntary)          |      4/1999        |   ---          title           below)|
|    2710 Wycliff Road                       |                         |                    |                below                 |
|                                            |                         |                    |   Senior Vice President              |
|--------------------------------------------|     ###-##-####         |--------------------|--------------------------------------|
|                (Street)                    |                         | 5. If Amendment,   |                                      |
|                                            |                         |    Date of Original|7. Individual or Joint/Group Filing   |
| Raleigh          NC                27607   |                         |    (Month/Year)    |   (Check applicable line)            |
|--------------------------------------------|----------------------------------------------|    X    Form Filed by One            |
| (City)           (State)           (Zip)   |                                              |   ----  Reporting Person             |
|                                            |                                              |         Form Filed by More Than      |
|                                            |                                              |   ----- One Reporting Person         |
|----------------------------------------------------------------------------------------------------------------------------------|
|                        TABLE 1 -- NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED                         |
|----------------------------------------------------------------------------------------------------------------------------------|
|1. Title of Security |2. Transaction     |3. Transac-   |4. Securities Acquired (A) | 5. Amount of Se-   |6. Owner-    |7. Nature |
|   (Instr. 3)        |   Date            |   tion Code  |   or Disposed of (D)      |    curities Benefi-|   ship      |   of In- |
|                     |   (Month/Day      |   (Instr. 8) |                           |    cially Owned at |   Form:     |   direct |
|                     |      Year)        |              |                           |    End of Month    |   Direct    |   Benefi-|
|                     |                   |              |   (Instr. 3, 4 and 5)     |    (Instr. 3 and 4)|   (D) or    |   cial   |
|                     |                   |--------------|---------------------------|                    |   Indirect  |   Owner- |
|                     |                   |Code    V     |    Amount  | A) or | Price|                    |   (I)       |   ship   |
|                     |                   |              |            | D)    |      |                    |   (Instr. 4)|   (Instr.|
| Common Stock        |   4/20/1999       |  M           |   9,000    |   A   | 22.00|                    |      D      |   4)     |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
| Common Stock        |   4/20/1999       |  M           |  12,000    |   A   | 20.00|                    |      D      |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
| Common Stock        |   4/20/1999       |  M           |  10,000    |   A   | 24.25|                    |      D      |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
| Common Stock        |   4/21/1999       |  S           |  31,000    |   D   |64.375|            4,383   |      D      |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
| Common Stock        |                   |              |            |       |      |              150   |      I      | Spouse   |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
|                     |                   |              |            |       |      |                    |             |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
|                     |                   |              |            |       |      |                    |             |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
|                     |                   |              |            |       |      |                    |             |          |
|---------------------|-------------------|--------------|------------|-------|------|--------------------|-------------|----------|
|                     |                   |              |            |       |      |                    |             |          |
- ------------------------------------------------------------------------------------------------------------------------------------

                                                      (Print or Type Response)                      
 
2
FORM 4 (CONTINUED) TABLE II -- DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED (E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES) - ------------------------------------------------------------------------------------------------------------------------------------ |1. Title of Derivative |2. Conver- |3. Trans- |4. Trans- | 5. Number of | 6. Date Exer- | 7. Title and Amount | 8. Price | | Security | sion or | action | action | Derivative | cisable and | of Underlying | of | | (Instr. 3) | Exercise | Date | Code | Securities | Expiration | Securities | Deriv- | | | Price of | (Month/| (Instr.| Acquired (A)| Date | (Instr. 3 and 4) | ative | | | Deriv- | Day/ | 8) | or Disposed | (Month/Day/ | | Secur- | | | | Year) | | 4, and 5) | Year | | ity | | | | | | |------------------|---------------------| (Instr. 5)| | | | | | | Date |Expira- | | Amount or| | | | | |----------|----------------| Exer- |tion | Title | Number of| | | | | | Code| V | (A) | (D) | cisable|Date | | Shares | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| |Employee Stock Option | 22.00 | 4/20/1999| M | | | 9,000|8/2/97 |8/2/2004 |Common | 9,000 | | |(right to buy) | | | | | | | | |Stock | | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| |Employee Stock Option | 20.00 | 4/20/1999| M | | | 12,000|8/3/98 |8/3/2005 |Common | 12,000 | | |(right to buy) | | | | | | | | |Stock | | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| |Employee Stock Option | 24.25 | 4/20/1999| M | | | 10,000|7/10/98 |7/10/2006|Common | 10,000 | | |(right to buy) | | | | | | | | |Stock | | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| | | | | | | | | | | | | | | | | | | | | | | | | | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| | | | | | | | | | | | | | | | | | | | | | | | | | | |-----------------------|------------|----------|-----|----|--------|-------|--------|---------|---------|-----------|-------------| | | | | | | | | | | | | | | | | | | | | | | | | | | |---------------------------------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------------------------ | 9. Number of | 10. Ownership | 11. Nature of | | Derivative | Form of | Indirect | | Securities | Derivative | Beneficial | | Beneficially | Security: | Ownership | | Owned at End | Direct (D) | (Instr. 4) | | of Month | or Indirect (I) | | | (Instr. 4) | (Instr. 4) | | | | | | |---------------------|-------------------------------|----------------------| | 0 | D | | |---------------------|-------------------------------|----------------------| | 0 | D | | |---------------------|-------------------------------|----------------------| | 5,000 | D | | |---------------------|-------------------------------|----------------------| | | | | |---------------------|-------------------------------|----------------------| | | | | |---------------------|-------------------------------|----------------------| | | | | - ------------------------------------------------------------------------------ Explanation of Responses: (1) Intentional misstatements or omissions of facts constitute Federal Criminal Violations. /s/ Robert R. Winchester 5/4/99 See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). ---------------------------- ------- **Signature of Reporting Person(1) Date Note. File three copies of this form, one of which must be manually signed. Page 2 If space provided is insufficient, see Instruction 6 for procedure.