STOCK TITAN
  1. Home
  2. Sec-filings
  3. ABNB
  4. [Form 4] Airbnb, Inc. Insider Trading Activity

Airbnb (NASDAQ: ABNB) CSO sells shares; trust holds 45,008,659 Class B

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Airbnb, Inc. (ABNB) insider Nathan Blecharczyk, a director, Chief Strategy Officer and more than 10% owner, reported several equity transactions. On 2026-08-20 he sold 2,738 shares of Class A Common Stock at $184.42 per share, effected under a Rule 10b5-1 trading plan adopted on August 28, 2025. On 2026-08-19, 450 shares of Class B Common Stock held indirectly by a trust were converted into 450 shares of Class A Common Stock, and 4,084.648 Class A shares were delivered or withheld for payment of exercise price or tax liability at $183.25 per share. Following these transactions, a trust associated with him held 20,567 Class A shares and 45,008,659 Class B shares, with the Class B shares convertible into Class A on a one-to-one basis subject to specified conditions.

Positive

  • None.

Negative

  • None.

Insights

Analyzing...

Insider Blecharczyk Nathan
Role Chief Strategy Officer
Sold 2,738 shs ($505K)
Approx. gross sale proceeds $505K
Type Security Shares Price Value
Sale Class A Common Stock F2 2,738 $184.42 $505K
Conversion Class B Common Stock F1 450 $0.00 $0.00
Exercise Price or Tax Liability Class A Common Stock 4,084.648 $183.25 $749K
Conversion Class A Common Stock F1 450 -- --
Holdings After Transaction: Class B Common Stock — 45,008,659 shares (Indirect, By Trust); Class A Common Stock — 20,567 shares (Indirect, By Trust); Class A Common Stock — 74,808.445 shares (Direct)
Footnotes (2)
  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 shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.
  2. F2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.
Class A shares sold 2,738 shares Sale of Class A Common Stock on 2026-08-20
Sale price per share $184.42 per share Price for 2,738 Class A shares sold on 2026-08-20
Shares delivered or withheld for exercise price or tax liability 4,084.648 shares Class A shares on 2026-08-19 at $183.25 per share
Reference price for exercise price or tax liability shares $183.25 per share Applied to 4,084.648 Class A shares on 2026-08-19
Class B shares converted 450 shares Conversion of Class B into Class A on 2026-08-19
Indirect Class A holdings after conversion 20,567 shares Class A Common Stock held by trust after 2026-08-19
Indirect Class B holdings after transaction 45,008,659 shares Class B Common Stock held by trust after 2026-08-19
Rule 10b5-1 plan adoption date August 28, 2025 Plan governing the reported sale transactions
Rule 10b5-1 trading plan regulatory
"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Class B Common Stock financial
"The Class B Common Stock is convertible at any time at the option of the holder"
A class B common stock is one of multiple types of a company’s ordinary shares that carries specific rights—often different voting power or dividend priority—compared with other classes. For investors it matters because those differences affect how much influence you have over company decisions, the income you might receive, and how freely the shares trade; think of it like owning a car with different keys: some keys let you start the engine and open the trunk, others only unlock the door.
convertible financial
"The Class B Common Stock is convertible at any time at the option of the holder"
A convertible is a type of investment that starts as a loan or preferred stake (like a bond or preferred share) but can be exchanged for common shares of the company at a set price or under certain conditions. It matters to investors because it offers a mix of steady income and downside protection like a loan, plus the upside of stock ownership if the company does well—similar to holding a coupon that you can trade for a full ticket if the event becomes valuable.
exercise price or tax liability financial
"Payment of exercise price or tax liability by delivering or withholding securities"

FAQ

What insider transactions did ABNB executive Nathan Blecharczyk report?
Nathan Blecharczyk reported a sale of 2,738 Class A shares at $184.42 on 2026-08-20, a conversion of 450 Class B shares into Class A on 2026-08-19, and 4,084.648 Class A shares delivered or withheld for exercise price or tax liability.

At what price did Nathan Blecharczyk sell Airbnb (ABNB) shares?
He sold 2,738 Class A shares of Airbnb, Inc. at a price of $184.42 per share on 2026-08-20, characterized as a sale in an open market or private transaction.

Were Nathan Blecharczyk’s ABNB share sales under a Rule 10b5-1 plan?
Yes. The filing states the sales were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025, and the Rule 10b5-1 checkbox is affirmed for the filing.

How many Airbnb (ABNB) shares were used to cover exercise price or tax liability?
A total of 4,084.648 Class A shares were delivered or withheld on 2026-08-19 to pay exercise price or tax liability, at a reference price of $183.25 per share.

What are Nathan Blecharczyk’s reported indirect holdings of Airbnb stock after these transactions?
After the reported transactions, a trust associated with Nathan Blecharczyk held 20,567 shares of Class A Common Stock and 45,008,659 shares of Class B Common Stock of Airbnb, Inc., as reported in the Form 4 data.

How is Airbnb (ABNB) Class B Common Stock treated in terms of conversion?
The filing states that Class B Common Stock is convertible at any time, at the holder’s option, into Class A Common Stock on a one-to-one basis, and will automatically convert on a one-to-one basis upon specified transfer, vote, or time-based conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Blecharczyk Nathan
(Last)(First)(Middle)
888 BRANNAN STREET
(Street)
SAN FRANCISCO CALIFORNIA 94103
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Airbnb, Inc. [ ABNB ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirectorX10% Owner
XOfficer (give title below)Other (specify below)
Chief Strategy Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Class A Common Stock08/19/2026F4,084.648D$183.2577,546.445D
Class A Common Stock08/19/2026C450A(1)20,567IBy Trust
Class A Common Stock08/20/2026S(2)2,738D$184.4274,808.445D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Class B Common Stock(1)08/19/2026C450 (1) (1)Class A Common Stock450$045,008,659IBy Trust
Explanation of Responses:
1. 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 shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the date and time, or the occurrence of an event, specified by vote or written consent of the holders of at least 80% of the outstanding shares of Class B common stock at the time of such vote or consent, voting as a separate series or (c) the 20-year anniversary of the closing of the Issuer's initial public offering.
2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025.
/s/ Courtney Shike, Attorney-in-fact08/21/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR