[Form 3] Nextdoor Holdings, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

How Antoinette filed an initial Form 3 reporting beneficial ownership in Nextdoor Holdings, Inc. (NXDR) following a 09/01/2025 event. The reporting person is identified as a Director and the Chief Accounting Officer and filed the form individually.

The filing shows 51,990 shares of Class A common stock held directly and multiple stock options and restricted stock units. Option awards include rights to purchase Class B and Class A shares totaling 548,415 underlying shares across listed grants with exercise prices from $1.49 to $6.06 and exercisable dates from 02/13/2029 through 10/04/2032. Several RSU awards totaling 378,... shares (specific RSU quantities listed) vest on scheduled quarterly dates between July 15, 2024 and April 15, 2026, subject to continued service.

Positive

• Direct ownership of 51,990 Class A common shares is explicitly reported
• Multiple option grants are listed with exercise prices and exercisability dates, including fully vested awards
• RSU vesting schedules are detailed with specific quarterly vesting dates and service conditions, improving transparency

Negative

• None.

Insights

Securities Analyst

TL;DR: Routine Form 3 shows meaningful equity and multi-year option/RSU grants for a director/officer, aligning compensation with shareholder outcomes.

The filing documents direct ownership of 51,990 Class A shares and multiple option grants convertible into Class A and Class B shares with explicit exercise prices and long-dated exercisability. Numerous RSU awards with detailed quarterly vesting schedules are disclosed, some vesting beginning July 15, 2024 and continuing through April 15, 2026. For investors, this confirms executive equity exposure and the timing of potential share issuance on vesting or exercise.

Corporate Governance Expert

TL;DR: Disclosure is standard for an officer/director; it clearly lists vested options and phased RSU vesting tied to continued service.

The report identifies the reporting person as an officer (Chief Accounting Officer) and director and supplies granular vesting schedules for multiple RSU awards plus fully vested stock options. The explicit vesting dates and service conditions are important for governance transparency and for assessing executive incentives and retention mechanisms.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

How Antoinette

(Last) (First) (Middle)

C/O NEXTDOOR HOLDINGS, INC.

420 TAYLOR STREET

(Street)

SAN FRANCISCO CA 94102

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/01/2025

3. Issuer Name and Ticker or Trading Symbol
Nextdoor Holdings, Inc. [ NXDR ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Accounting Officer

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Common Stock	51,990	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(1)	02/13/2029	Class B Common Stock	154,893	$1.49	D
Stock Option (Right to Buy)	(1)	04/29/2030	Class B Common Stock	10,972	$2.37	D
Stock Option (Right to Buy)	(1)	03/23/2031	Class B Common Stock	90,986	$2.41	D
Stock Option (Right to Buy)	(1)	03/24/2032	Class A Common Stock	43,564	$6.06	D
Stock Option (Right to Buy)	(1)	10/04/2032	Class A Common Stock	148,000	$2.79	D
Restricted Stock Units (RSU)	(2)	(3)	Class A Common Stock	19,705	$0	D
Restricted Stock Units (RSU)	(4)	(3)	Class A Common Stock	9,337	$0	D
Restricted Stock Units (RSU)	(5)	(3)	Class A Common Stock	51,425	$0	D
Restricted Stock Units (RSU)	(6)	(3)	Class A Common Stock	80,810	$0	D
Restricted Stock Units (RSU)	(7)	(3)	Class A Common Stock	113,744	$0	D

Explanation of Responses:

1. The stock option award is fully vested and exercisable.

2. The restricted stock unit ("RSU") award vests in quarterly installments over two years, with 1/6th of the total shares vesting on July 15, 2024, followed by three additional quarterly vesting events of 1/6th of the total shares on October 15, 2024, January 15, 2025, and April 15, 2025, respectively, and four final quarterly vesting events of 1/12th of the total shares on July 15, 2025, October 15, 2025, January 15, 2026, and April 15, 2026, respectively, subject to the reporting person's continued service to the Issuer on each vesting date.

3. These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

4. The RSU award vests in equal quarterly installments over one year on January 15, April 15, July 15, and October 15, with the first such vesting event on July 15, 2025, subject to the reporting person's continued service to the Issuer on each vesting date.

5. The RSU award vests in equal quarterly installments over two years on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting date on July 15, 2025, subject to the reporting person's continued service to the Issuer on each vesting date.

6. The RSU award vests in equal quarterly installments over three years on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting date on July 15, 2025, subject to the reporting person's continued service to the Issuer on each vesting date.

7. The RSU award vests in equal quarterly installments over three years on January 15, April 15, July 15 and October 15 of each calendar year, with the first such vesting date on October 15, 2025, subject to the reporting person's continued service to the Issuer on each vesting date.

Remarks:

	/s/ Sophia Contreras Schwartz, as Attorney-in-Fact for Reporting Person	09/11/2025
	** 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 5 (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.

FAQ

Who filed the Form 3 for Nextdoor Holdings (NXDR)?

The Form 3 was filed by How Antoinette, identified as a Director and the Chief Accounting Officer, filing individually.

What securities does the reporting person directly own in NXDR?

The reporting person directly owns 51,990 shares of Class A common stock.

What option awards are disclosed on the Form 3?

The filing lists stock options exercisable for Class B and Class A common stock totaling underlying amounts across grants dated 02/13/2029, 04/29/2030, 03/23/2031, 03/24/2032, and 10/04/2032 with exercise prices from $1.49 to $6.06.

Are there restricted stock units (RSUs) and when do they vest?

Yes. Multiple RSU awards are disclosed with quarterly vesting schedules beginning as early as July 15, 2024 and continuing through April 15, 2026, subject to continued service.

When was the Form 3 filing event date?

The date of the event requiring the statement is 09/01/2025.