Summary
Updated Aug 31, 2026
Michael Kiernan is Chief Revenue Officer of Nextdoor Holdings, Inc. (NXDR). 8 SEC Form 4 filings on record going back to 2025, most recently on 25 August 2026. Most recent open-market trade: sold $266K of NXDR on 25 August 2026. Lifetime open-market sales: $266K.
Recent Transactions
20Every recent SEC Form 4 transaction Michael Kiernan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Michael Kiernan go back to 2025: 8 primary Form 4 filings, an average of 4.0 per year. 1 recorded transaction carries a Rule 10b5-1 flag, meaning it was pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Michael Kiernan files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Sophia Schwartz - $562K of NXDR open-market activity in the last 12 months
- Craig Lisowski - $225K of NXDR open-market activity in the last 12 months
- Antoinette How - $135K of NXDR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Michael Kiernan?
Michael Kiernan is a corporate insider, tracked as Chief Revenue Officer of Nextdoor Holdings, Inc. (NXDR). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Michael Kiernan submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Michael Kiernan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($266K) across all tracked filings.
Where can I see all of Michael Kiernan's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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