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. See Instructions 1(b).
1. Name and Address of Reporting Person
WALKUSH, JOSEPH P.
1241 CAVE STREET
LA JOLLA, CA 92037
2. Issuer Name and Ticker or Trading Symbol
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION
3. IRS or Social Security Number of Reporting Person (Voluntary)
###-##-####
4. Statement for Month/Year
DECEMBER 1999
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>
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Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned |
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1. Title of Security |2. |3. |4.Securities Acquired (A) |5.Amount of |6.Dir |7.Nature of Indirect |
| Transaction | or Disposed of (D) | Securities |ect | Beneficial Ownership |
| | | | Beneficially |(D)or | |
| | | | | A/| | Owned at |Indir | |
| Date |Code|V| Amount | D | Price | End of Month |ect(I)| |
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<S> <C> <C> <C><C> <C> <C> <C> <C> <C>
Class A Common Stock |12/21/|G |V|1,877 |D |N/A |257,183 (1) |D | |
|99 | | | | | | | | |
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Class A Common Stock | | | | | | |9,776 (1)(2) |I |By 401(k) Plan |
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Class A Common Stock | | | | | | |64,542 (1) |I |(3) |
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Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned |
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1.Title of Derivative |2.Con- |3. |4. |5.Number of De |6.Date Exer|7.Title and Amount |8.Price|9.Number |10.|11.Nature of|
Security |version |Transaction | rivative Secu |cisable and| of Underlying |of Deri|of Deriva |Dir|Indirect |
|or Exer | | | rities Acqui |Expiration | Securities |vative |tive |ect|Beneficial |
|cise | | | red(A) or Dis |Date(Month/| |Secu |Securities |(D)|Ownership |
|Price of| | | posed of(D) |Day/Year) | |rity |Benefi |or | |
|Deriva- | | | |Date |Expir| | |ficially |Ind| |
|tive | | | | A/|Exer-|ation| Title and Number | |Owned at |ire| |
|Secu- | | | | | D |cisa-|Date | of Shares | |End of |ct | |
|rity |Date |Code|V| Amount | |ble | | | |Month |(I)| |
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<S> <C> <C> <C> <C><C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
Stock Option (Class A)|$3.93 (1| | | | | |3/27/|3/26/|Class A Comm|40,000 |N/A |40,000 (1) |D | |
(right to buy) |) | | | | | |96 (4|00 |on Stock |(1) | | | | |
| | | | | | |) | | | | | | | |
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Stock Option (Class A)|$4.8325 | | | | | | 3/29|3/28/|Class A Comm|46,000 |N/A |46,000 (1) |D | |
(right to buy) |(1) | | | | | |/97 (|01 |on Stock |(1) | | | | |
| | | | | | |4) | | | | | | | |
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Stock Option (Class A)|$6.49 (1| | | | | |3/28/|3/27/|Class A Comm|48,000 |N/A |48,000 (1) |D | |
(right to buy) |) | | | | | |98 (4|02 |on Stock |(1) | | | | |
| | | | | | |) | | | | | | | |
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Stock Option (Class A)|$9.7825 | | | | | |3/20/|3/19/|Class A Comm|20,000 |N/A |20,000 (1) |D | |
(right to buy) |(1) | | | | | |99 (4|03 |on Stock |(1) | | | | |
| | | | | | |) | | | | | | | |
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Stock Option (Class A)|$14.7175| | | | | |11/2/|11/01|Class A Comm|20,000 |N/A |20,000 (1) |D | |
(right to buy) | (1) | | | | | |99 (4|/03 |on Stock |(1) | | | | |
| | | | | | |) | | | | | | | |
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Stock Option (Class A)|$17.455 | | | | | |3/22/|3/21/|Class A Comm|30,000 |N/A |30,000 (1) |D | |
(right to buy) |(1) | | | | | |00 (4|04 |on Stock |(1) | | | | |
| | | | | | |) | | | | | | | |
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| | | | | | | | | | | | | | |
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Explanation of Responses:
(1) On August 31, 1999, the Class A Common Stock of SAIC split 4-for-1. The
end-of-period holdings and all stock
options have been adjusted to reflect the stock
split.
(2) During the period of April 1, 1999 through September 30, 1999, the
reporting person acquired 669 shares of
SAIC Class A Common Stock under the SAIC 401(k) Plan, as adjusted to reflect
the stock split. The balance is
pursuant to the reporting person's most recent account statement
available.
(3) By SAIC Employee Stock Retirement
Plan.
(4) The option is exercisable according to the following annual vesting
schedule: 20% in years 1, 2 and 3 and 40%
in year
4.
SIGNATURE OF REPORTING PERSON
By: D. Garrett, Attorney-in-fact, for J.P. Walkush
DATE
January 6, 2000
