Edgar Filing: SEAGATE TECHNOLOGY

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 ^*

DAVIDSON JAMES

2. Issuer Name and Ticker or Trading Symbol
SEAGATE TECHNOLOGY [STX]

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

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

(Last)

(First)

(Middle)

2775 SAND HILL ROAD, SUITE 100

3. Date of Earliest Transaction (Month/Day/Year)
09/18/2007

(Street)

MENLO PARK, CA 94025

4. If Amendment, Date 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

(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 Shares	09/18/2007		S		296,550 ⁽¹⁾	D	$ 25	2,629,138	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		10,600 ⁽¹⁾	D	$ 25.01	2,618,538	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		25,700 ⁽¹⁾	D	$ 25.02	2,592,838	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		12,300 ⁽¹⁾	D	$ 25.05	2,580,538	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		15,900 ⁽¹⁾	D	$ 25.06	2,564,638	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		400 ⁽¹⁾	D	$ 25.1	2,564,238	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		14,250 ⁽¹⁾	D	$ 25.11	2,549,988	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		6,150 ⁽¹⁾	D	$ 25.12	2,543,838	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		15,000 ⁽¹⁾	D	$ 25.13	2,528,838	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		1,700 ⁽¹⁾	D	$ 25.14	2,527,138	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		3,500 ⁽¹⁾	D	$ 25.15	2,523,638	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		4,500 ⁽¹⁾	D	$ 25.16	2,519,138	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		13,200 ⁽¹⁾	D	$ 25.17	2,505,938	I	See footnote ⁽²⁾
Common Shares	09/18/2007		S		19,700 ⁽¹⁾	D	$ 25.18	2,486,238	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		2,200 ⁽¹⁾	D	$ 25.24	2,484,038	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		3,100 ⁽¹⁾	D	$ 25.26	2,480,938	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		1,400 ⁽¹⁾	D	$ 25.27	2,479,538	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		6,800 ⁽¹⁾	D	$ 25.28	2,472,738	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		19,500 ⁽¹⁾	D	$ 25.3	2,453,238	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		1,600 ⁽¹⁾	D	$ 25.31	2,451,638	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		300 ⁽¹⁾	D	$ 25.34	2,451,338	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		300 ⁽¹⁾	D	$ 25.35	2,451,038	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		41,900 ⁽¹⁾	D	$ 25.36	2,409,138	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		1,400 ⁽¹⁾	D	$ 25.37	2,407,738	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		1,500 ⁽¹⁾	D	$ 25.38	2,406,238	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		200 ⁽¹⁾	D	$ 25.39	2,406,038	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		84,800 ⁽¹⁾	D	$ 25.4	2,321,238	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		2,400 ⁽¹⁾	D	$ 25.41	2,318,838	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		49,600 ⁽¹⁾	D	$ 25.45	2,269,238	I	See footnote ⁽²⁾
Common Shares	09/19/2007		S		14,900 ⁽¹⁾	D	$ 25.46	2,254,338	I	See footnote ⁽²⁾

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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
DAVIDSON JAMES 2775 SAND HILL ROAD SUITE 100 MENLO PARK, CA 94025	X

Signatures

/S/ Roberta S. Cohen for James A. Davidson		09/20/2007
^**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)	Represents common shares, par value $0.00001 per share (the "Common Shares"), of Seagate Technology (the "Issuer") owned by Silver Lake Partners Cayman, L.P., Silver Lake Investors Cayman, L.P., and Silver Lake Technology Investors Cayman, L.P. (collectively, the "Silver Lake Funds"). The shares reported hereby were sold by the Silver Lake Funds pursuant to a sales plan that they adopted on February 26, 2007 in accordance with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.
(2)	The Reporting Person is a shareholder and a director of Silver Lake (Offshore) AIV G.P., Ltd., which is the general partner of each of Silver Lake Technology Associates Cayman, L.P. and Silver Lake Technology Investors Cayman, L.P. Silver Lake Technology Associates Cayman, L.P. is the general partner of each of Silver Lake Partners Cayman, L.P. and Silver Lake Investors Cayman, L.P. Because of his affiliation with the Silver Lake Funds, the Reporting Person may be deemed to have shared voting and dispositive power over the Issuer's Common Shares held by the Silver Lake Funds. The Reporting Person, however, disclaims beneficial ownership of any of the Issuer's Common Shares beneficially owned by the Silver Lake Funds, except to the extent of any pecuniary interest therein.
Remarks: Please note this is one of three related Form 4 reports.

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