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 * West Allen   2. Issuer Name and Ticker or Trading Symbol PAM TRANSPORTATION SERVICES INC [PTSI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VP Finance, CFO, Secy, Treas (Last) (First) (Middle) C/O P.A.M. TRANSPORTATION SERVICES, INC., POST OFFICE BOX 188 3. Date of Earliest Transaction (Month/Day/Year) 08/06/2018 (Street) TONTITOWN, AR 72770 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 08/06/2018   M   400 A $ 11.22 1,400 D   Common Stock 08/06/2018   M   25 A $ 11.22 1,425 D   Common Stock 08/06/2018   S   425 D $ 58.5 1,000 D   Common Stock 08/06/2018   S   350 D $ 59 650 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

Employee Stock Option (Right to Buy)

$ 11.22

08/06/2018

M

400

(1)

11/30/2020

Common Stock

400

$ 0

0

D

Employee Stock Option (Right to Buy)

$ 11.22

08/06/2018

M

25

(2)

11/30/2020

Common Stock

25

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
West Allen C/O P.A.M. TRANSPORTATION SERVICES, INC. POST OFFICE BOX 188 TONTITOWN, AR 72770			VP Finance, CFO, Secy, Treas

Signatures

/s/ Courtney C. Crouch, III, as Attorney-in-fact for Allen West		08/08/2018
**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)	This option vested in five equal annual installments beginning on November 30, 2011.
(2)	On November 30, 2010, the reporting person was granted an option for 1,920 shares to vest based on the satisfaction of certain quarterly and annual performance criteria by P.A.M. Transportation Services, Inc. (the "Company") for each quarter in 2011 and for the year ended 2011. The performance criteria for the second quarter of 2011 were met, resulting in the option becoming exercisable as to 125 shares on July 27, 2011, the date of the Company's earnings release for the period in which the applicable performance criteria were met. The exercisable portion of the option vested in five equal annual installments beginning on July 27, 2012.

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.