Sec Form 4 Filing - ARMSTRONG RONALD E @ PACCAR INC - 2019-06-04

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 ARMSTRONG RONALD E 2. Issuer Name and Ticker or Trading Symbol PACCAR INC [ PCAR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 777 106TH AVENUE NE 3. Date of Earliest Transaction (MM/DD/YY) 06/04/2019 (Street) BELLEVUE, WA98004 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 217,892 D COMMON STOCK (SIP) ( 1 ) 06/04/2019 J( 2 ) 107.535 A $ 68.62 22,952.91 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 ( 3 ) $ 50.5 01/01/2014 02/03/2021 COMMON STOCK 31,380 31,380 D STOCK OPTION ( 3 ) $ 43.24 01/01/2015 02/02/2022 COMMON STOCK 49,102 49,102 D STOCK OPTION ( 3 ) $ 47.81 01/01/2016 02/06/2023 COMMON STOCK 43,672 43,672 D STOCK OPTION ( 3 ) $ 59.15 01/01/2017 02/07/2024 COMMON STOCK 34,394 34,394 D STOCK OPTION ( 3 ) $ 62.46 01/01/2018 02/04/2025 COMMON STOCK 58,372 58,372 D STOCK OPTION ( 3 ) $ 50 01/01/2019 02/04/2026 COMMON STOCK 92,382 92,382 D STOCK OPTION ( 3 ) $ 67.63 01/01/2020 02/07/2027 COMMON STOCK 73,140 73,140 D STOCK OPTION ( 3 ) $ 68.69 01/01/2021 02/07/2028 COMMON STOCK 64,460 64,460 D STOCK OPTION ( 3 ) $ 65.56 01/01/2022 02/06/2029 COMMON STOCK 121,704 121,704 D STOCK UNITS (LTIP) ( 4 ) ( 4 ) ( 4 ) ( 4 ) COMMON STOCK 33,531 33,531 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ARMSTRONG RONALD E 777 106TH AVENUE NE BELLEVUE, WA98004 X Chief Executive Officer Signatures Ronald E. Armstrong 06/06/2019 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Shares held in PACCAR Savings Investment Plan (SIP). ( 2 )Dividend on PACCAR Savings Investment Plan (SIP) shares reinvested pursuant to SIP. ( 3 )Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP). ( 4 )Restricted stock units awarded under LTIP and convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions. Each award vests in four equal installments commencing on March 1 following the award and January 1 of the next three years.

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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