AppFolio (APPF) CEO Trigg reports 3,718 shares withheld to cover taxes

Rhea-AI Filing Summary

APPFOLIO INC Chief Executive Officer William Shane Trigg reported several transactions in Class A Common Stock on August 10, 2026. In total, 3,718 shares were disposed of at $199.54 per share, all coded as F transactions. Footnotes state these shares were withheld by the issuer solely to satisfy minimum tax withholding obligations arising from the vesting of previously granted performance-based and time-based restricted stock units under the company’s equity incentive plans.

Insider Trade Summary

Net Seller: 3,718 shares

Net Sell 7 txns

Insider Trigg William Shane

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock F1	599	$199.54	$120K
Tax Withholding	Class A Common Stock F2	539	$199.54	$108K
Tax Withholding	Class A Common Stock F3	984	$199.54	$196K
Tax Withholding	Class A Common Stock F4	202	$199.54	$40K
Tax Withholding	Class A Common Stock F5	219	$199.54	$44K
Tax Withholding	Class A Common Stock F6	378	$199.54	$75K
Tax Withholding	Class A Common Stock F7	797	$199.54	$159K

Holdings After Transaction: Class A Common Stock — 72,829 shares (Direct)

Footnotes (7)

1. F1. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Incentive Plan.
2. F2. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the PSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan.
3. F3. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the time-based restricted stock units ("RSUs") previously granted to the Reporting Person on April 9, 2026 pursuant to the Issuer's 2025 Omnibus Plan.
4. F4. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Plan.
5. F5. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan.
6. F6. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on March 1, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan.
7. F7. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan.

Key Figures

Shares withheld F1: 599 shares Shares withheld F2: 539 shares Shares withheld F3: 984 shares +3 more

6 metrics

Shares withheld F1 599 shares Code F disposition on August 10, 2026 tied to PSUs granted January 29, 2025

Shares withheld F2 539 shares Code F disposition on August 10, 2026 tied to PSUs granted January 24, 2024

Shares withheld F3 984 shares Code F disposition on August 10, 2026 tied to RSUs granted April 9, 2026

Shares withheld F4–F7 total 1,596 shares Additional RSU-related tax-withholding dispositions on August 10, 2026

Aggregate shares withheld 3,718 shares Total Code F shares for tax withholding across seven transactions

Price per share $199.54 Per-share value used for all August 10, 2026 tax-withholding dispositions

Key Terms

performance-based restricted stock units, time-based restricted stock units, withheld by the Issuer to satisfy the minimum tax withholding obligations, 2015 Stock Incentive Plan, +1 more

5 terms

performance-based restricted stock units financial

"vesting on August 10, 2026 of the performance-based restricted stock units ("PSUs")"

Performance-based restricted stock units are a type of employee equity award that converts into company shares only if predefined financial or operational targets are met over a set period. Think of it like a bonus check that becomes stock only when specific goals are hit; it ties pay to results, aligning managers’ incentives with shareholders. Investors care because these awards affect future share count, executive incentives, and signal how management’s success will be measured and rewarded.

time-based restricted stock units financial

"vesting on August 10, 2026 of the time-based restricted stock units ("RSUs")"

Time-based restricted stock units are a form of employee compensation where individuals are granted company shares that are earned over a set period, often as a reward for staying with the company. These shares typically become fully owned and transferable only after passing specific time milestones, encouraging long-term commitment. For investors, they highlight a company's focus on employee retention and can influence future stock supply and company stability.

withheld by the Issuer to satisfy the minimum tax withholding obligations financial

"Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations"

2015 Stock Incentive Plan financial

"pursuant to the Issuer's 2015 Stock Incentive Plan"

2025 Omnibus Incentive Plan financial

"pursuant to the Issuer's 2025 Omnibus Incentive Plan"

An omnibus incentive plan is a company-wide program that authorizes awards of pay tied to performance and retention—such as stock options, restricted shares, cash bonuses and other rewards—here labeled for the year it was adopted (2025). Investors care because it affects how much ownership can be issued, dilutes existing shareholders, and aligns executives’ and employees’ incentives with company goals, similar to giving team members a stake in the outcome.

FAQ

What insider activity did APPF (AppFolio Inc) report on August 10, 2026?

AppFolio’s CEO William Shane Trigg reported multiple Code F transactions on August 10, 2026, covering 3,718 Class A shares withheld to cover tax obligations from vesting restricted stock units.

Did the APPF CEO sell shares on the open market in this Form 4?

The Form 4 shows Code F dispositions only, where 3,718 shares were withheld by the issuer at $199.54 per share to satisfy minimum tax withholding obligations upon RSU and PSU vesting.

What price per share was used for the APPF tax-withholding transactions?

Each of the CEO’s tax-withholding transactions used a price of $199.54 per Class A share. This price applies across the 3,718 shares withheld to cover minimum tax obligations tied to equity award vesting.

Which equity awards triggered the APPF CEO’s tax-withholding share dispositions?

The dispositions relate to vesting of performance-based RSUs (PSUs) and time-based RSUs granted between 2023 and 2026 under AppFolio’s 2015 Stock Incentive Plan and 2025 Omnibus Incentive Plan.

Was a Rule 10b5-1 trading plan involved in this APPF Form 4?

The filing’s Rule 10b5-1 checkbox is not affirmatively marked, and the transactions are described as shares withheld to satisfy tax withholding obligations in connection with vesting equity awards, rather than discretionary market trades.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 05:44 PM Accepted by SEC EDGAR 08/12/2026 - 05:43 PM Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Trigg William Shane

(Last) (First) (Middle)

70 CASTILIAN DR

(Street)

SANTA BARBARA CALIFORNIA 93117

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
APPFOLIO INC [ APPF ]

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	08/10/2026		F		599(1)	D	$199.54	75,948	D
Class A Common Stock	08/10/2026		F		539(2)	D	$199.54	75,409	D
Class A Common Stock	08/10/2026		F		984(3)	D	$199.54	74,425	D
Class A Common Stock	08/10/2026		F		202(4)	D	$199.54	74,223	D
Class A Common Stock	08/10/2026		F		219(5)	D	$199.54	74,004	D
Class A Common Stock	08/10/2026		F		378(6)	D	$199.54	73,626	D
Class A Common Stock	08/10/2026		F		797(7)	D	$199.54	72,829	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

Explanation of Responses:

1. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the performance-based restricted stock units ("PSUs") previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Incentive Plan.

2. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the PSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan.

3. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the time-based restricted stock units ("RSUs") previously granted to the Reporting Person on April 9, 2026 pursuant to the Issuer's 2025 Omnibus Plan.

4. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 29, 2025 pursuant to the Issuer's 2025 Omnibus Plan.

5. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2024 pursuant to the Issuer's 2015 Stock Incentive Plan.

6. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on March 1, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan.

7. Consists of Class A Common Stock withheld by the Issuer to satisfy the minimum tax withholding obligations of the Reporting Person arising in connection with the vesting on August 10, 2026 of the RSUs previously granted to the Reporting Person on January 24, 2023 pursuant to the Issuer's 2015 Stock Incentive Plan.

Remarks:

	/s/ Heather Peterson, as Attorney-in-Fact for Shane Trigg	08/12/2026
	** 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 Number.
* Form 4: SEC 1474 (03-26)