NXDR

Nextdoor Holdings, Inc.

NasdaqTechnologyServices-Computer Programming, Data Processing, Etc.

Insider activity for last month from 09/20 to 10/20.

How these metrics are calculated

Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Total buying$00 buys
Total selling$433k5 sells
Net open-market−$433kBuying minus selling
Active insiders10Distinct reporting owners

Insider activity report

Calendar-month buckets within the selected date range

Latest filing: Oct 19, 2026

Open-market transaction mix · 5 transactions in the selected period
0 buys0%·100%5 sells

Code A includes awards, grants and other acquisitions; these are not open-market buys. A rolling period can include partial calendar months.

View exact monthly counts and disclosed values
Monthly activity within the selected period; unknown values remain unknown.
MonthBuysSellsAwards (A)Buy valueSell valueNet P/S value
Sep 2026020$0$232k-$232k
Oct 2026030$0$201k-$201k

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (6)
Sep 2026: 6 insidersOct 2026: 6 insiders
Sep 2026Oct 2026
10distinct insiders in selected period
Largest insider activity
By absolute net disclosed value · current transaction page
3 insiders
  • LC
    Lisowski CraigPRES · 0 buys · 0 sells · 0 awards (A)
    -$386.4klast 10/19/2026
  • SS
    Schwartz SophiaCLO, SECY · 0 buys · 1 sells · 0 awards (A)
    -$312.6klast 10/19/2026
  • HA
    How AntoinetteCAO · 0 buys · 0 sells · 0 awards (A)
    +$0last 10/19/2026

NXDR transaction history

Newest filings · 20 transactions per page

Latest insider transactions

Form 4 filings from last month.
Newest company filings
CompanyInsiderActivityDisclosed valueFiled (ET)
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESF · withholdingSEC filing ↗-$54.7kView disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESF · withholdingSEC filing ↗-$95.9kView disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESF · withholdingSEC filing ↗-$235kView disclosure →
NXDRNextdoor Holdings, Inc.
Lisowski CraigPRESM · exerciseSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYS · sale10b5-1 detectedSEC filing ↗-$120kView disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYF · withholding10b5-1 detectedSEC filing ↗-$38.9kView disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYF · withholding10b5-1 detectedSEC filing ↗-$31.9kView disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYF · withholding10b5-1 detectedSEC filing ↗-$121kView disclosure →
NXDRNextdoor Holdings, Inc.
Schwartz SophiaCLO · SECYM · exercise10b5-1 detectedSEC filing ↗$0View disclosure →
NXDRNextdoor Holdings, Inc.
How AntoinetteCAOM · exercise10b5-1 detectedDerivative securitySEC filing ↗$0View disclosure →
Recent filing activity
Most recent 6 transactions on this page · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$127k
10b5-1 detected34
Amended rows0

Transaction codes

By Form 4 transaction code in selected period
69transactionstxns
  • M · Option exercise · dominant44 · 64%
  • F · Tax withholding16 · 23%
  • S · Open-market sells5 · 7%
  • C · Code C4 · 6%

Activity by reported role

A joint filing can contribute to multiple roles
CAO23
PRES18
CLO10
SECY10
Chief executive officer9
Director8
CRO7
Chief financial officer3
TRES3

Reported Holdings After

Separated by insider, security, and ownership type

How AntoinetteClass A Common Stock · Direct
40.0k0Sep 21, 2026Oct 16, 2026
0Oct 16, 2026
Schwartz SophiaClass A Common Stock · Direct
428.6k360.3kOct 15, 2026Oct 16, 2026
360,324Oct 16, 2026
Tolia Nirav NClass A Common Stock · Direct
2.4M2.3MOct 15, 2026Oct 15, 2026
2,384,659Oct 15, 2026
Lisowski CraigClass A Common Stock · Direct
1.9M1.8MOct 15, 2026Oct 15, 2026
1,868,184Oct 15, 2026
Kiernan MichaelClass A Common Stock · Direct
523.6k458.6kSep 22, 2026Oct 15, 2026
505,917Oct 15, 2026
How AntoinetteClass B Common Stock · Direct
40.0k0Sep 21, 2026Oct 13, 2026
0Oct 13, 2026
How AntoinetteRestricted Stock Units (RSU) · Direct
81.0k14.7kOct 15, 2026Oct 15, 2026
81,050Oct 15, 2026
Tolia Nirav NRestricted Stock Units (RSU) · Direct
1.9M406.1kOct 15, 2026Oct 15, 2026
1,436,782Oct 15, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Current transaction page only · each cell is a filing date · buys green, sells red
1 active days
Sep 20 → Oct 20
LessMore

Nextdoor Holdings, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Nextdoor Holdings, Inc.?

Lisowski Craig, Schwartz Sophia, How Antoinette, Ponnambalam Indrajit, Tolia Nirav N, Kiernan Michael, Steele Elisa, Shah Niraj, Pressman Jason, Sze David L.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Schwartz Sophia reported a sale on Oct 16, 2026 valued at $120k. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $433,643.86. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.