Transaction · 0001193125-26-361410

Blecharczyk Nathan

Blecharczyk Nathan, CSO, reported a transaction classified as unknown at Airbnb, Inc. involving 450.000000 shares. Reported holdings after the transaction were 20567.000000 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—Shares × reported price
Shares traded450Price unknown
Holdings after20.5kIndirect · By Trust
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

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.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

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

Non-derivative
Type
unknown
Code C
Identifier
0001193125-26-361410
Class A Common Stock
Transaction date
Aug 19, 2026
Filed Aug 21, 2026, 10:38 PM · 2d delay
Shares
450 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
20,567 sh
Indirect · By Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

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

-14 points

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
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
Related transactions

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Recent company activity

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