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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
MARTIN BRYAN R
  2. Issuer Name and Ticker or Trading Symbol
8X8 INC /DE/ [EGHT]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Technology Officer
(Last)
(First)
(Middle)
C/O 8X8, INC, 2125 O'NEL DRIVE
3. Date of Earliest Transaction (Month/Day/Year)
10/21/2018
(Street)

SAN JOSE, CA 95131
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)
Code V Amount (A) or (D) Price
Common Stock 10/21/2018   M(1)   8,126 A $ 0 432,750 (2) (3) D  
Common Stock 10/21/2018   F(4)   4,091 D $ 17.81 428,659 D  
Common Stock 10/21/2018   M(5)   3,336 A $ 0 431,995 D  
Common Stock 10/21/2018   F(4)   1,679 D $ 17.81 430,316 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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 V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit (6) 10/21/2018   M     8,126   (7) 10/21/2018 Common Stock 8,126 $ 0 0 (9) D  
Restricted Stock Unit (6) 10/21/2018   M     3,336   (8) 10/21/2018 Common Stock 3,336 $ 0 0 (9) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MARTIN BRYAN R
C/O 8X8, INC
2125 O'NEL DRIVE
SAN JOSE, CA 95131
      Chief Technology Officer  

Signatures

 /s/ Bryan R. Martin   10/24/2018
**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) 8,126 Restricted Stock Units (RSUs) became fully vested and have been converted to Common Stock.
(2) Prior Form 4 reports filed by the Reporting Person have calculated this figure as the sum of all (a) issued and outstanding shares, (b) shares issuable upon vesting of unvested RSUs, (c) shares issuable upon vesting of unvested performance share units (PSUs) and (d) shares issuable upon exercise of options (vested and unvested), in each case owned, directly or indirectly, by the Reporting Person. The figure reported here includes only issued and outstanding shares owned by the Reporting Officer. The grant dates and number of shares remaining subject to the RSUs referenced in (b) above are as follows: (i) September 22, 2015, 9,282 shares, and (ii) September 20, 2016, 12,896 shares.
(3) The grant dates and number of shares remaining subject to the PSUs referenced in (c) above are as follows: (i) September 20, 2016, 4,804 shares, and (ii) September 26, 2016, 4,804 shares. The grant dates and number of shares remaining subject to the options referenced in (d) above are as follows: (i) August 21, 2012, 200,000 shares, (ii) September 17, 2013, 84,864 shares, (iii) October 21, 2014, 54,176 shares, and (iv) September 15, 2015, 37,128 shares.
(4) Payment of tax liability by withholding securities incident to vesting of RSUs and PSUs.
(5) 3,336 PSUs became fully vested and have been converted to Common Stock.
(6) Each RSU represents a contingent right to receive one share of EGHT common stock.
(7) This award vested at the rate of 8,126 shares on each of the following dates: October 21, 2015, October 21, 2016, October 21, 2017 and October 21, 2018.
(8) RSUs do not vest unless and until average closing price of 8x8 common stock over any 30 consecutive trading day period within 4 years from the grant date exceeds 150% of grant date closing price; then, at rate of 25% on each anniversary of the grant date.
(9) Prior Form 4 reports filed by the Reporting Person have calculated this figure as the sum of all (a) issued and outstanding shares, (b) shares issuable upon vesting of unvested restricted stock units (RSUs), (c) shares issuable upon vesting of unvested performance share units (PSUs) and (d) shares issuable upon exercise of options (vested and unvested), in each case owned, directly or indirectly, by the Reporting Person. The figure reported here includes only the remaining number of shares issuable upon vesting of the derivative security shown in this row.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.