Edgar Filing: Reiss Gunter

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 ^*

Reiss Gunter

2. Issuer Name and Ticker or Trading Symbol
A10 Networks, Inc. [ATEN]

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

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
VP Worldwide Mktg & Bus Dev

(Last)

(First)

(Middle)

C/O A10 NETWORKS, INC., 3 WEST PLUMERIA DRIVE

3. Date of Earliest Transaction (Month/Day/Year)
12/03/2017

(Street)

SAN JOSE, CA 95134

4. If Amendment, Date Original Filed(Month/Day/Year)
12/05/2017

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	12/03/2017		A		30,000 ⁽¹⁾	A	$ 0	134,929 ⁽²⁾	D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Employee Stock Option (right to buy)

$ 7.87

12/03/2017

75,000

11/23/2017⁽³⁾

12/03/2027

Common Stock

75,000

$ 0

75,000

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Reiss Gunter C/O A10 NETWORKS, INC. 3 WEST PLUMERIA DRIVE SAN JOSE, CA 95134			VP Worldwide Mktg & Bus Dev

Signatures

/s/ Robert Cochran, as Attorney-in-Fact		12/21/2017
^**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)	Each share is represented by a Restricted Stock Unit ("RSU"). One-fourth (1/4) of the total RSUs will vest on each of the first four (4) anniversaries of the Vesting Commencement Date (11/5/2017), provided that the Reporting Person continues to serve through each vesting date.
(2)	Includes shares acquired by the Reporting Person pursuant to the Issuer's Employee Stock Purchase Plan.
(3)	One-fourth (1/4) of the shares subject to the option will vest on the first anniversary of the Vesting Commencement Date (10/23/2017), and the remaining shares will vest in equal monthly installments over the following 36 months, provided that the Reporting Person continues to serve through each vesting date.
Remarks: This amendment restates in its entirety the Reporting Person's Form 4 that was filed on December 5, 2017, as amended on December 8, 2017. The issuance of the securities described in that Form 4 was effected on December 3, 2017 as originally reported. The amendment filed on December 8, 2017 should be disregarded.

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