Sec Form 4 Filing - Palin Carrie @ SendGrid, Inc. - 2019-01-04

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 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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1. Name and Address of Reporting Person Palin Carrie 2. Issuer Name and Ticker or Trading Symbol SendGrid, Inc. [ SEND] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Marketing Officer (Last) (First) (Middle) C/O SENDGRID, INC., 1801 CALIFORNIA STREET, SUITE 500 3. Date of Earliest Transaction (MM/DD/YY) 01/04/2019 (Street) DENVER, CO80202 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 01/04/2019 S( 1 ) 2,494 D $ 40.89 109,801 ( 2 ) ( 3 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Palin Carrie C/O SENDGRID, INC. 1801 CALIFORNIA STREET, SUITE 500 DENVER, CO80202 Chief Marketing Officer Signatures /s/ Matthew P. Dubofsky, Attorney-in-Fact 01/08/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The shares of Common Stock were sold pursuant to a 10b5-1 plan and the sales reported include the sale of shares to cover the tax obligation that occurred upon the vesting of previously reported restricted stock units. ( 2 )Includes 98,698 shares issued as restricted stock units (an "RSU") under the Issuer's 2017 Equity Incentive Plan (the "Plan"). The RSUs will vest and the shares will be delivered to the Reporting Person in a series of quarterly installments commencing on April 1, 2019 until fully vested on October 1, 2022, provided in each case that the Reporting Person's continuous service to the Issuer has not been terminated as defined in or as determined under the Plan. ( 3 )Includes 7,018 shares issued as RSUs under the Plan. Subject to the Reporting Person's continuous service to the Issuer (as defined in the Plan) on such date, 100% of the RSU will vest on March 31, 2019.

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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