SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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

1. Name and Address of Reporting Person^*

SCHEEL JEFFREY A

(Last)

(First)

(Middle)

C/O ARCSIGHT, INC.

5 RESULTS WAY

(Street)

CUPERTINO

95014

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
ArcSight Inc [ ARST ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Sr. VP, Business Development

3. Date of Earliest Transaction (Month/Day/Year)
10/21/2010

4. If Amendment, Date of 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

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	10/21/2010		U⁽¹⁾		1,104	D	$43.5	0	D

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 Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$8.5	10/22/2010		D			22,503	⁽²⁾	06/17/2018	Common Stock	22,503	⁽³⁾	0	D
Stock Option (Right to Buy)	$18	10/22/2010		D			29,890	⁽⁴⁾	06/08/2019	Common Stock	29,890	⁽⁵⁾	0	D
Stock Option (Right to Buy)	$18	10/22/2010		D			55,158	⁽⁴⁾	06/08/2019	Common Stock	55,158	⁽⁶⁾	0	D
Stock Option (Right to Buy)	$21.63	10/22/2010		D			36,000	⁽⁷⁾	05/18/2020	Common Stock	36,000	⁽⁸⁾	0	D

Explanation of Responses:

1. Pursuant to the terms of the tender offer by Priam Acquisition Corporation, a Delaware corporation ("Purchaser") and a wholly-owned, direct or indirect, subsidiary of Hewlett-Packard Company, a Delaware corporation ("HP"), to purchase all outstanding shares of Issuer Common Stock, disclosed in the Tender Offer Statement on Schedule TO filed with the Securities and Exchange Commission (the "Tender Offer"), Purchaser accepted for payment of $43.50 per share all shares validly tendered on or prior to October 20, 2010.

2. The option vests and becomes exercisable as to 1/4th of the shares on June 16, 2009 and vests and becomes exercisable as to 1/48th of the shares at the end of each full month thereafter.

3. Pursuant to the terms of the merger (the "Merger") contemplated by that certain Agreement and Plan of Merger by and among the Issuer, HP and Purchaser, dated as of September 13, 2010 (the "Merger Agreement"), 5,836 shares under this option were cancelled in exchange for a cash payment to the Reporting Person equal to the difference between the offer price per share of $43.50 and the exercise price per share of the option and the remaining shares under the option were assumed and exchanged for an option to purchase 16,923 shares of HP Common Stock at an exercise price per share of $8.38.

4. The option vests and becomes exercisable as to 1/4th of the shares on May 1, 2010 and vests and becomes exercisable as to 1/48th of the shares at the end of each full month thereafter.

5. Pursuant to the terms of the Merger, 10,585 shares under this option were cancelled in exchange for a cash payment to the Reporting Person equal to the difference between the offer price per share of $43.50 and the exercise price per share of the option and the remaining shares under the option were assumed and exchanged for an option to purchase 19,602 shares of HP Common Stock at an exercise price per share of $17.73.

6. Pursuant to the terms of the Merger, 19,534 shares under this option were cancelled in exchange for a cash payment to the Reporting Person equal to the difference between the offer price per share of $43.50 and the exercise price per share of the option and the remaining shares under the option were assumed and exchanged for an option to purchase 36,172 shares of HP Common Stock at an exercise price per share of $17.73.

7. The option vests and becomes exercisable as to 1/4th of the shares on May 1, 2011 and vests and becomes exercisable as to 1/48th of the shares at the end of each full month thereafter.

8. Pursuant to the terms of the Merger, this option was assumed and exchanged for an option to purchase 36,554 shares of HP Common Stock at an exercise price per share of $21.31.

Remarks:

	/s/ Tram T. Phi as attorney-in-fact for Jeffrey Scheel	10/25/2010
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
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