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.
Filing timeAug 21
Trade dateAug 19, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$187.30
Pre-filing
1mo ago -22.6%1w ago -3.8%1d ago -2.2%
Returns since
7d +1.4%30d +1.4%90d +1.4%180d +1.4%1y +1.4%

ABNB price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
ABNB since 2026-08-21Filed 13 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

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
20.5k sh
Indirect · By Trust

Filing warnings

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

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
10b5-1 Detected
-14score
Filing-only score

-14

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.

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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Same reporting owner
Recent company activity

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ABNB