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How Antoinette

Disclosed activity across 1 company

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10044
SEC CIK
0002083093

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Nextdoor Holdings, Inc.NXDR · Entity 5074Chief Accounting OfficerSeptember 21, 2026September 23, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Nextdoor Holdings, Inc.

Report date September 21, 2026 · Filed September 23, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect0 Ending reported balance After 2026-09-21 transaction · row 2
2 source rows · reconciled sequence

Row 1 · 2026-09-21 · Conversion · Acquired 40,000 · Balance 40,000

Row 2 · 2026-09-21 · Sale · Disposed 40,000 · Balance 0

F1: This transaction was entered into 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.

F2: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.62 to $2.6350 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.

Stock Option (Right to Buy)SEC Table II · derivative / convertible security · Conversion / exercise price $2.41 · Expires 2031-03-23Direct50,986 Reported balance After 2026-09-21 transaction · row 3 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 3 · 2026-09-21 · Exercise / conversion · Disposed 40,000 · Balance 50,986

F1: This transaction was entered into 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.

F3: The stock option award is fully vested and exercisable.

Class B Common StockSEC Table II · derivative / convertible securityDirect40,000 Reported balance After 2026-09-21 transaction · row 4 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 4 · 2026-09-21 · Exercise / conversion · Acquired 40,000 · Balance 40,000

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).

F1: This transaction was entered into 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.

Class B Common StockSEC Table II · derivative / convertible securityDirect0 Reported balance After 2026-09-21 transaction · row 5 Instrument identity requires review; Table II rows are not merged.
1 source row

Row 5 · 2026-09-21 · Conversion · Disposed 40,000 · Balance 0

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).

Filing footnotes · ownership attribution and instrument terms

F1: This transaction was entered into 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.

F2: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.62 to $2.6350 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.

F3: The stock option award is fully vested and exercisable.

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).

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 3,024 $1.96 $5,927.04
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 6

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,304

Read SEC document
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 7,347 $0.00 $0.00
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 5

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,328

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 1,359 $1.96 $2,663.64
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 4

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 17,981

Read SEC document
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 3,112 $0.00 $0.00
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 3

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,340

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 3,032 $1.96 $5,942.72
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 2

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,228

Read SEC document
January 15, 2026 Filed Jan 20, 2026 21:41 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 6,568 $0.00 $0.00
Disclosure

SEC source: 0001846069-26-000008 · wk-form4_1768945315.xml · nonDerivative · entry 1

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 19,260

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
December 10, 2025 Filed Dec 12, 2025 21:02 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 SaleClass A Common Stock 31,894 $2.63 $83,893.98
Disclosure

SEC source: 0001846069-25-000142 · wk-form4_1765573318.xml · nonDerivative · entry 1

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 12,692

F1 · shares: 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 2, 2025.

Read SEC document
October 16, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 SaleClass A Common Stock 15,633 $2.01 $31,355.11
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 11

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,586

F1 · shares: 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 2, 2025.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionRestricted Stock Units (RSU) · Derivative 9,478 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · derivative · entry 16

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 104,266

Underlying: Class A Common Stock · 9,478 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F8 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionRestricted Stock Units (RSU) · Derivative 7,346 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · derivative · entry 15

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 73,464

Underlying: Class A Common Stock · 7,346 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F7 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionRestricted Stock Units (RSU) · Derivative 7,346 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · derivative · entry 14

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,079

Underlying: Class A Common Stock · 7,346 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F6 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionRestricted Stock Units (RSU) · Derivative 3,112 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · derivative · entry 13

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,225

Underlying: Class A Common Stock · 3,112 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: 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.

F4 · derivative.expiration_date: These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionRestricted Stock Units (RSU) · Derivative 6,568 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · derivative · entry 12

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 13,137

Underlying: Class A Common Stock · 6,568 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The 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.

F4 · derivative.expiration_date: These RSUs do not expire; they either vest or are cancelled prior to the vesting date.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 3,398 $2.09 $7,101.82
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 10

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 60,219

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 9,478 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 9

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 63,617

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 2,634 $2.09 $5,505.06
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 8

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 54,139

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 7,346 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 7

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 56,773

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 2,634 $2.09 $5,505.06
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 6

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 49,427

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 7,346 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 5

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 52,061

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 1,116 $2.09 $2,332.44
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 4

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 44,715

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 3,112 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 3

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,831

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Tax withholdingClass A Common Stock 2,355 $2.09 $4,921.95
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 2

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 42,719

Read SEC document
October 15, 2025 Filed Oct 17, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 Exercise / conversionClass A Common Stock 6,568 $0.00 $0.00
Disclosure

SEC source: 0001846069-25-000122 · wk-form4_1760731218.xml · nonDerivative · entry 1

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 45,074

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
September 17, 2025 Filed Sep 19, 2025 20:00 UTC Nextdoor Holdings, Inc. NXDR · Entity 5074 SaleClass A Common Stock 13,484 $2.20 $29,671.54
Disclosure

SEC source: 0001846069-25-000115 · wk-form4_1758312038.xml · nonDerivative · entry 1

How Antoinette · CIK 0002083093 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,506

F1 · shares: 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 2, 2025.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.