STOCK TITAN

Nextdoor CAO exercises options, sells 154,893 shares

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Nextdoor Holdings, Inc. (NXDR) reported that Chief Accounting Officer Antoinette How exercised fully vested stock options for 154,893 shares of Class B Common Stock on September 15, 2026 at an exercise price of $1.49 per share and converted them into an equal number of Class A shares. All 154,893 Class A shares were then sold at a weighted average price of $2.4271 per share under a Rule 10b5-1 trading plan adopted June 3, 2026.

Positive

  • None.

Negative

  • None.
Insider How Antoinette
Role Chief Accounting Officer
Sold 154,893 shs ($376K)
Approx. gross sale proceeds $376K
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) F3 154,893 $0.00 $0.00
Exercise Class B Common Stock F4 154,893 $0.00 $0.00
Conversion Class B Common Stock F4 154,893 $0.00 $0.00
Conversion Class A Common Stock 154,893 $0.00 $0.00
Sale Class A Common Stock F1, F2 154,893 $2.4271 $376K
Holdings After Transaction: Stock Option (Right to Buy) — 0 contracts (Direct); Class B Common Stock — 0 contracts (Direct); Class A Common Stock — 0 shares (Direct)
Footnotes (4)
  1. F1. Sale of shares made pursuant to and in accordance with the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, under a plan adopted by the Reporting Person on June 3, 2026.
  2. F2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.42 to $2.44 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  3. F3. The stock option award is fully vested and exercisable.
  4. F4. Each share of Class B Common Stock is convertible into one share of Class A Common Stock of the Issuer at the election of the holder any time; provided; however, that each share of Class B Common Stock shall automatically be converted into Class A Common Stock on a one-for-one basis on the earlier of the: (i) tenth anniversary of the completion of the Business Combination or (ii) date specified by the affirmative vote of the holders of two-thirds of the Class B Common Stock then outstanding. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value (subject to certain exceptions).
Shares sold 154,893 shares Class A Common Stock sold on September 15, 2026
Weighted average sale price $2.4271 per share Sales of Class A Common Stock on September 15, 2026, with trades from $2.42 to $2.44
Option exercise price $1.49 per share Stock option for 154,893 shares of Class B Common Stock, fully vested and exercisable
Options exercised 154,893 derivative shares Stock Option (Right to Buy) exercised into Class B Common Stock on September 15, 2026
Net shares sold 154,893 shares Transaction summary net buy/sell shares for this Form 4
Rule 10b5-1 plan adoption date June 3, 2026 Trading plan governing the reported sale of 154,893 Class A shares
Option expiration date February 13, 2029 Expiration date of the exercised stock option on Nextdoor Class B shares
Rule 10b5-1 regulatory
"Sale of shares made pursuant to and in accordance with the requirements of Rule 10b5-1"
Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.
weighted average price financial
"The reported price in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Class B Common Stock financial
"Each share of Class B Common Stock is convertible into one share of Class A"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
Class A Common Stock financial
"convertible into one share of Class A Common Stock of the Issuer"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
Business Combination financial
"tenth anniversary of the completion of the Business Combination"
A business combination happens when two or more companies join together to operate as one, like two friends merging their teams into a single group. This is important because it can change how companies grow, compete, and make money, often making them bigger and more powerful in the market.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did NXDR’s Chief Accounting Officer report on this Form 4?

The Chief Accounting Officer, Antoinette How, reported exercising options for 154,893 Class B shares, converting them into 154,893 Class A shares, and selling all of those Class A shares on September 15, 2026.

How many Nextdoor (NXDR) shares were sold and at what price?

A total of 154,893 Class A shares of Nextdoor were sold at a weighted average price of $2.4271 per share. The footnote explains the shares were sold in multiple trades between $2.42 and $2.44 per share.

Were the NXDR share sales made under a Rule 10b5-1 plan?

Yes. The filing states the sale of 154,893 Class A shares was made pursuant to Rule 10b5-1 under a trading plan adopted by the reporting person on June 3, 2026, and the document’s Rule 10b5-1 checkbox is marked true.

What options did the NXDR insider exercise in this Form 4?

The insider exercised a fully vested stock option covering 154,893 shares of Class B Common Stock of Nextdoor at an exercise price of $1.49 per share. After exercise, that option position is reported as 0 shares remaining.

How were NXDR Class B and Class A shares treated in this transaction?

The insider received 154,893 Class B shares upon option exercise, then converted them into 154,893 Class A shares on a one-for-one basis, consistent with the disclosed Class B convertibility terms, and then sold all resulting Class A shares.

What is the net share effect of this Form 4 for the NXDR insider?

The transaction summary shows a net sell of 154,893 shares. The insider acquired and converted shares via option exercise, then sold the same 154,893 Class A shares, resulting in no reported Class A or option position from this block of awards after the sale.

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

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED 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).
X
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*
How Antoinette

(Last)(First)(Middle)
C/O NEXTDOOR HOLDINGS, INC.
420 TAYLOR STREET

(Street)
SAN FRANCISCO CALIFORNIA 94102

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Nextdoor Holdings, Inc. [ NXDR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Class A Common Stock09/15/2026C154,893A$0154,893D
Class A Common Stock09/15/2026S(1)154,893D$2.4271(2)0D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$1.4909/15/2026M154,893 (3)02/13/2029Class B Common Stock154,893$00D
Class B Common Stock(4)09/15/2026M154,893 (4) (4)Class A Common Stock154,893$0(4)154,893D
Class B Common Stock(4)09/15/2026C154,893 (4) (4)Class A Common Stock154,893$0(4)0D
Explanation of Responses:
1. Sale of shares made pursuant to and in accordance with the requirements of Rule 10b5-1 under the Securities Exchange Act of 1934, as amended, under a plan adopted by the Reporting Person on June 3, 2026.
2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.42 to $2.44 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. The stock option award is fully vested and exercisable.
4. Each share of Class B Common Stock is convertible into one share of Class A Common Stock of the Issuer at the election of the holder any time; provided; however, that each share of Class B Common Stock shall automatically be converted into Class A Common Stock on a one-for-one basis on the earlier of the: (i) tenth anniversary of the completion of the Business Combination or (ii) date specified by the affirmative vote of the holders of two-thirds of the Class B Common Stock then outstanding. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon any transfer, whether or not for value (subject to certain exceptions).
Remarks:
Exhibit 24.1 - Power of Attorney.
/s/ Sophia Contreras Schwartz, as Attorney-in-Fact for Reporting Person09/17/2026
** Signature of Reporting PersonDate
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)

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