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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1484504	Gigamon Inc.	GIMO	Services-Computer Processing & Data Preparation (7374)	263963351

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1409173	Mike Burns	C/O Gigamon Inc. 3300 Olcott Street Santa Clara CA 95054	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2015-11-03	4,300	$11.02	85,025	No	4	M	Direct
Common Stock	Disposition	2015-11-03	4,300	$28.09	80,725	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (right to buy)	Disposition	2015-11-03	4,300	$0.00	4,300	$11.02

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
87,283		2024-07-29	No	4	M	Direct

Footnotes

The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 27, 2015.
The sale price for this transaction in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $28.01 to $28.19 per share. Upon request by the Commission staff, the Issuer or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
25% of the option shares vested on July 22, 2015 and the remaining shares vest in 36 equal monthly installments thereafter.