Edgar Filing: ADAPTEC INC

Ownership Submission

FORM 4

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN 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(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

STEEL PARTNERS II LP

2. Issuer Name and Ticker or Trading Symbol
ADAPTEC INC [ADPT]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

_____ Director	__X__ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

590 MADISON AVENUE, 32ND FLOOR,

3. Date of Earliest Transaction (Month/Day/Year)
05/12/2008

(Street)

NEW YORK, NY 10022

4. If Amendment, Date Original Filed(Month/Day/Year)

6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

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)
1.Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, $.001 Par Value	05/12/2008		P		75,000	A	$ 2.84	18,234,884	D ⁽¹⁾ ⁽²⁾
Common Stock, $.001 Par Value	05/12/2008		P		125,783	A	$ 2.8187	18,360,667	D ⁽¹⁾ ⁽²⁾
Common Stock, $.001 Par Value	05/13/2008		P		154,600	A	$ 2.9532	18,515,267	D ⁽¹⁾ ⁽²⁾
Common Stock, $.001 Par Value	05/13/2008		P		27,871	A	$ 2.9212	18,543,138	D ⁽¹⁾ ⁽²⁾

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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 Underlying Securities
(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 of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)

11. Nature of Indirect Beneficial Ownership
(Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
STEEL PARTNERS II LP 590 MADISON AVENUE, 32ND FLOOR NEW YORK, NY 10022		X
Steel Partners LLC C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK, NY 10022		X
LICHTENSTEIN WARREN G C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK, NY 10022		X
STEEL PARTNERS II GP LLC C/O STEEL PARTNERS II, L.P. 590 MADISON AVENUE, 32ND FLOOR NEW YORK, NY 10022		X
Steel Partners II Master Fund L.P. MORGAN STANLEY FUND SERVICES LTD CRICKET SQ FL2 BOUNDARY HALL HUTCHINS DR BOX 2681 GRAND CAYMAN KY1-1111		X

Signatures

By: Steel Partners II, L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Lauren Isenman, as Attorney in Fact for Warren G. Lichtenstein, Managing Member		05/14/2008
^**Signature of Reporting Person		Date
By: Steel Partners LLC, By: /s/ Lauren Isenman, as Attorney In Fact for Warren G. Lichtenstein, Manager		05/14/2008
^**Signature of Reporting Person		Date
By: /s/ Lauren Isenman, as Attorney in Fact for Warren G. Lichtenstein		05/14/2008
^**Signature of Reporting Person		Date
By: Steel Partners II GP LLC, By: /s/ Lauren Isenman, as Attorney In Fact for Warren G. Lichtenstein, Managing Member		05/14/2008
^**Signature of Reporting Person		Date
By: Steel Partners II Master Fund L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Lauren Isenman, as Attorney In Fact for Warren G. Lichtenstein, Managing Member		05/14/2008
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	This Form 4 is filed jointly by Steel Partners II, L.P. ("Steel Partners II"), Steel Partners II GP LLC ("Steel GP LLC"), Steel Partners II Master Fund L.P. ("Steel Master"), Steel Partners LLC ("Partners LLC") and Warren G. Lichtenstein. Steel GP LLC, Steel Master, Partners LLC and Mr. Lichtenstein may be deemed to be 10% owners of the Issuer and Steel Partners II is a 10% owner of the Issuer.
(2)	The securities reported in this Form 4 are owned directly by Steel Partners II, and owned indirectly by Steel GP LLC by virtue of it being the general partner of Steel Partners II and Steel Master, by Steel Master by virtue of it being the sole limited partner of Steel Partners II, by Partners LLC by virtue of it being the investment manager of Steel Partners II and Steel Master and by Mr. Lichtenstein by virtue of his position as the manager of Partners LLC and the managing member of Steel GP LLC. Steel GP LLC, Steel Master, Partners LLC and Mr. Lichtenstein disclaim beneficial ownership of the shares owned by Steel Partners II except to the extent of their pecuniary interest therein.

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