SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Walker Jonathan (Last) (First) (Middle) 50 CASTILIAN DRIVE (Street) SANTA BARBARA CA 93117 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol APPFOLIO INC [ APPF ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Chief Technology Officer
	3. Date of Earliest Transaction (Month/Day/Year) 11/02/2017
	4. If Amendment, Date of Original Filed (Month/Day/Year) 11/06/2017	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. 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
Class A Common Stock	11/02/2017		C		30,000	A	$0	30,000	D
Class A Common Stock	11/02/2017		S		26,871(1)	D	$44.5(2)	3,129	D
Class A Common Stock	11/02/2017		S		3,129(1)	D	$45.27(3)	0	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 (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 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: 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
Class B Common Stock	$0.0	11/02/2017		C			30,000	(4)(5)	(4)(5)	Class A Common Stock	30,000	$0	1,554,025	D

Explanation of Responses:

1. These shares were sold pursuant to a Rule 10b5-1 Plan adopted by Mr. Walker on or around August 10, 2017.

2. This transaction was executed in multiple trades with sales prices ranging from $44.15 to $45.05. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

3. This transaction was executed in multiple trades with sales prices ranging from $45.15 to $45.60. The price reported above reflects the weighted average sales price for the cumulative trades. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer information regarding the individual trades.

4. Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, except for any transfers by (i) a partnership or limited liability company that was a registered holder of shares of Class B Common Stock to anyone who was a partner or member of any such partnership or limited liability company at the effective time, and (ii) a transfer to a "qualified recipient," as defined in the Issuer's amended and restated certificate of incorporation. The shares of Class B Common Stock have no expiration date.

5. All of the outstanding shares of Class B Common Stock will convert automatically into shares of Class A Common Stock, on a one share for one share basis, on the date when the number of the Company's outstanding shares of Class B Common Stock represents less than 10% of the sum of its outstanding shares of Class A Common Stock and Class B Common Stock.

Remarks:

This Form 4/A is being filed to add footnote 1, which explains that the sales reflected herein were made pursuant to a Rule 10b5-1 Plan adopted by Mr. Walker on or around August 10, 2017.

	/s/ Ida Kane, as Attorney-In-Fact for Jonathan Walker	11/09/2017
	** Signature of Reporting Person	Date
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