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Filing Details

Accession Number:: 0001209191-16-099573
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2016-02-17 20:09:48
Reporting Period:: 2016-02-15

Filing Date:: 2016-02-17
Accepted Time:: 2016-02-17 20:09:48
SEC Url:: Form 4 Filing

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
1577352	B Paul Shinn	C/O Gigamon Inc. 3300 Olcott Street Santa Clara CA 95054	Secretary And General Counsel	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2016-02-15	987	$22.54	35,737	No	4	F	Direct
Common Stock	Disposition	2016-02-16	9,711	$23.34	26,026	No	4	S	Direct
Common Stock	Disposition	2016-02-16	900	$23.85	25,126	No	4	S	Direct
Common Stock	Acquisiton	2016-02-16	18,000	$0.00	43,126	No	4	A	Direct
Common Stock	Acquisiton	2016-02-16	421	$0.00	44,713	No	4	A	Direct
Common Stock	Disposition	2016-02-17	1,730	$24.14	42,983	No	4	S	Direct
Common Stock	Disposition	2016-02-17	700	$24.60	42,283	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	F	Direct
No	4	S	Direct
No	4	S	Direct
No	4	A	Direct
No	4	A	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Performance-Based Restricted Stock Units	Acquisiton	2016-02-16	18,000	$0.00	18,000	$0.00

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
18,000			No	4	A	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 31, 2015.
The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units, or RSUs.
The sale price for this transaction in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $22.82 to $23.8199 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.
The sale price for this transaction in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $23.82 to $24.8199 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.
The reported securities represent RSUs, 1/16th of which shall vest on May 15, 2016 and 1/16th of which shall vest on the 15th of each of August, November, February and May thereafter.
The reported securities represent RSUs, 1/8th of which shall vest on May 15, 2016 and 1/8th of which shall vest on the 15th of each of August, November, February and May thereafter.
Includes 1,166 shares acquired by the Reporting Person under the Issuer's 2013 Employee Stock Purchase Plan on February 16, 2016.
The sale price for this transaction in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $23.46 to $24.4599 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.
The sale price for this transaction in column 4 of Table I represents the weighted average sale price of the shares sold, ranging from $24.47 to $25.4699 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.
Each performance-based restricted stock unit, or PRSU, represents the contingent right to receive one share of GIMO common stock, and will be eligible to vest based on the achievement of certain performance metrics for 2016. The reported PRSUs reflect the target number and the Reporting Person may ultimately receive up to 200% of the target number. Any shares eligible to vest shall vest on February 15, 2017 as to 1/4th upon determination of achievement, with 1/16th of the remaining shares to vest on the 15th of each of May, August, November and February thereafter.