Sec Form 4 Filing - Hoerter Steven L. @ Deciphera Pharmaceuticals, Inc. - 2019-03-18

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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Hoerter Steven L. 2. Issuer Name and Ticker or Trading Symbol Deciphera Pharmaceuticals, Inc. [ DCPH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) President & CEO (Last) (First) (Middle) C/O DECIPHERA PHARMACEUTICALS, INC., 500 TOTTEN POND ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2019 (Street) WALTHAM, MA02451 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 03/18/2019 A( 1 ) 22,000 A $ 0 22,000 D Common Stock 03/18/2019 A( 2 ) 30,000 A $ 0 52,000 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 Stock Option (Right to Buy) $ 25.4 03/18/2019 A 400,000 ( 3 ) 03/17/2029 Common Stock 400,000 $ 0 400,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Hoerter Steven L. C/O DECIPHERA PHARMACEUTICALS, INC. 500 TOTTEN POND ROAD WALTHAM, MA02451 X President & CEO Signatures /s/ Amanda Stastny, Attorney-in-Fact 03/20/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The reporting person was awarded 22,000 Restricted Stock Units. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock. The Restricted Stock Units shall vest in full on March 18, 2020, subject to the reporting person's continuous service with the Company through such date. The Restricted Stock Units may be settled only by delivering shares of the Issuer's Common Stock, and thus, the grant is being reported in Table 1 as allowed per SEC guidance. ( 2 )The reporting person was awarded 30,000 Restricted Stock Units. Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's Common Stock. The Restricted Stock Units shall vest in four (4) equal annual installments beginning on March 18, 2020, subject to the reporting person's continuous service with the Company through such dates. The Restricted Stock Units may be settled only by delivering shares of the Issuer's Common Stock, and thus, the grant is being reported in Table 1 as allowed per SEC guidance. ( 3 )This stock option was issued pursuant to the Issuer's 2017 Stock Option and Incentive Plan. 25% of the options shall vest on March 18, 2020, and the remaining options shall vest in equal monthly installments over the following three years, subject to continued service through such dates.

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).

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