Transaction · 0001193125-26-361410

Blecharczyk Nathan

Blecharczyk Nathan, CSO, reported a transaction classified as unknown at Airbnb, Inc. involving 450.000000 shares for an estimated $0.00. Reported holdings after the transaction were 45008659.000000 shares. The stored filing text includes a detected 10b5-1 reference.

unknownSEC transaction code CCSO
ABNBAirbnb, Inc.
Trade date
Aug 19, 2026
Filing date
Aug 21, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded450$0.00 per share
Holdings after45.0MIndirect · By Trust
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

ABNB price since this filing

Daily closing prices, with the filing date and available return windows
ABNB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -22.6%1w ago -3.8%1d ago -2.2%
Returns since7d +1.4%30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0001193125-26-361410
Class B Common Stock
Transaction date
Aug 19, 2026
Filed Aug 21, 2026, 10:38 PM · 2d delay
Shares
450 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
45,008,659 sh
Indirect · By Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction 10b5-1 Detected
Filing-only score

-22 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Strategy Officer

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will automatically convert into s…

  2. F2

    The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.

Original filing · 0001193125-26-361410
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