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SEC EDGAR - Form 4 insider activity

Airbnb $ABNB

Travel - 8 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

3

OM buys - 90d

5

OM sells - 90d

0

Routine filings

3

Cluster filings

$28.08M

Largest trade

69/100

Avg signal score

Filing tape

Recent filings

Last 30d: 8
Reported BuyHigh signal 70/100
filed 2026-07-24
BNBoard

Blecharczyk Nathan - Director, Chief Strategy Officer, 10% Owner

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.

View source filing
Reported BuyHigh signal 70/100
filed 2026-07-22
BNBoard

Blecharczyk Nathan - Director, Chief Strategy Officer, 10% Owner

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics.

View source filing
Open-market SellHigh signal 70/100
filed 2026-07-17
GJBoard

Gebbia Joseph - Director, 10% Owner - $28.08M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.

View source filing
Open-market SellNotable 56/100
filed 2026-07-15
GJBoard

Gebbia Joseph - Director, 10% Owner - $236.3K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-07-09
GJBoard

Gebbia Joseph - Director, 10% Owner - $369.0K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-07-08
BNBoard

Blecharczyk Nathan - Director, Chief Strategy Officer, 10% Owner

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellNotable 62/100
filed 2026-07-07
GJBoard

Gebbia Joseph - Director, 10% Owner - $4.16M

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-07-07
MECFO

Mertz Elinor - Chief Financial Officer - $555.0K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing