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OMB APPROVAL
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OMB Number 3235-0104
Expires: November 30, 1998
Estimated average burden
hours per response ....... 0.5
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U.S. SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 3
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
Section 17(a) of the Public Utility Holding Company Act of 1935 or
Section 30(f) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Flood Douglas
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(Last) (First) (Middle)
40 Constitution Drive
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(Street)
Southborough MA 01772
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(City) (State) (Zip)
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2. Date of Event Requiring Statement (Month/Day/Year)
7/1/99
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3. IRS or Social Security Number of Reporting Person (Voluntary)
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4. Issuer Name and Ticker or Trading Symbol
Mercury Computer Systems, Inc. MRCY
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5 Relationship of Reporting Person to Issuer
(Check all applicable)
[ ] Director [ ] 10% Owner
[ X ] Officer (give title below) [ ] Other (specify below)
Vice President, Corporate Development
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6. If Amendment, Date of Original (Month/Year)
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Table I -- Non-Derivative Securities Beneficially Owned
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3. Ownership Form:
2. Amount of Securities Direct (D) or
1. Title of Security Beneficially Owned Indirect (I) 4. Nature of Indirect Beneficial Ownership
(Instr. 4) (Instr. 4) (Instr. 5) (Instr.5)
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Reminder: Report on a separate line for each class of securities beneficially
owned directly or indirectly.
(Print or Type Responses)
FORM 3 (continued)
Table II -- Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
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5. Owner-
3. Title and Amount of Securities ship
Underlying Derivative Security Form of
2. Date Exercisable (Instr. 4) Derivative
and Expiration Date --------------------------------- 4. Conver- Security:
(Month/Day/Year) Amount sion or Direct 7. Nature of
---------------------- or Exercise (D) or Indirect
Date Expira- Number Price of Indirect Beneficial
1. Title of Security Exer- tion of Derivative (I) Ownership
(Instr. 4) cisable Date Title Shares Security (Instr.5) (Instr. 5)
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Stock Option (1) 10/27/08 Common 40,000 $8.625 D
(right to buy)
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Stock Option (2) 10/27/08 Common 35,594 $8.625 D
(right to buy)
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Stock Option 12/31/99 10/27/08 Common 4,406 $8.625 D
(right to buy)
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Explanation of Responses:
(1) This option became/becomes exercisable as to 8,000 shares on each of October 27, 1999, October 27, 2000, October 27, 2001,
October 27, 2002 and October 27, 2003.
(2) This option became exercisable as to 3,594 shares on January 31, 2000 and becomes exercisable as to an additional 32,000
shares on October 27, 2004.
/s/ Douglas Flood 1/18/2001
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**Signature of Reporting Person Date
** Intentional misstatements or omissions of facts constitute Federal Criminal
Violations.
See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed.
If space provided is insufficient. See Instruction 6 for procedure.
