Statement of Changes in Beneficial Ownership (4)

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	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * HOLZGREFE FREDERICK J III	2. Issuer Name and Ticker or Trading Symbol SAIA INC [ SAIA ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                      _____ 10% Owner __ X __ Officer (give title below)      _____ Other (specify below) President & COO
(Last)          (First)          (Middle) 11465 JOHNS CREEK PARKWAY, SUITE 400	3. Date of Earliest Transaction (MM/DD/YYYY) 2/11/2019
(Street) JOHNS CREEK, GA 30097 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	2/11/2019		F (1)		2065.00	D	$65.41	45196.00	D
Common Stock	2/11/2019		S		10932.00	D	$64.416	34264.00	D
Common Stock	2/12/2019		M		23260.00	A	$27.45	57524.00	D
Common Stock	2/12/2019		S		23260.00	D	$67.511	34264.00	D
Common Stock	2/12/2019		S		2488.00	D	$67.678	31776.00	D

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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
Phantom Stock	(2)	2/12/2019		I		743.694		(3)	(4)	Common Stock	743.694	$0.00	3306.048	D
Stock Options (Right to Buy)	$27.45	2/12/2019		M			23260.00	2/9/2019	2/9/2023	Common Stock	23260.00	$0.00	0.00	D
Stock Options (Right to Buy)	$73.35							2/6/2021	2/6/2025	Common Stock	8120.00		8120.00	D
Stock Options (Right to Buy)	$66.03							2/7/2022	2/7/2026	Common Stock	11430.00		11430.00	D
Stock Options (Right to Buy)	$46.35							2/7/2020	2/7/2024	Common Stock	6190.00		6190.00	D

Explanation of Responses:
(1)	Shares withheld at officer's election to cover tax liabilities incurred in connection with the vesting of restricted shares awarded in February 2016.
(2)	The conversion rate of this derivative security on February 12, 2019 is 1.1741 resulting in 3,881.763 shares of common stock (underlying security in column 7).
(3)	Immediate
(4)	The shares of phantom stock become payable in the Company's common stock upon reporting person's termination of service as an employee, in accordance with the terms of the Plan.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HOLZGREFE FREDERICK J III 11465 JOHNS CREEK PARKWAY SUITE 400 JOHNS CREEK, GA 30097			President & COO

Signatures
/s/ Stephanie R. Maschmeier		2/13/2019
** Signature of Reporting Person		Date

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 control number.