STOCK TITAN

Airbnb (NASDAQ: ABNB) CSO Blecharczyk sells 19,659 shares

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Airbnb, Inc. (ABNB) insider Nathan Blecharczyk, Chief Strategy Officer and major stockholder, reported a conversion and related sales involving shares held indirectly by a trust. On August 26, 2026, 19,659 shares of Class B Common Stock were converted into 19,659 shares of Class A Common Stock on a one-to-one basis. That same day, the trust sold an aggregate 19,659 Class A shares in multiple transactions at weighted average prices between approximately $190.00 and $192.43 per share, under a Rule 10b5-1 trading plan adopted on August 28, 2025. Following the derivative conversion, the reporting person’s trust held 44,476,708 Class B shares, and he also held 74,808.445 Class A shares directly.

Positive

  • None.

Negative

  • None.
Insider Blecharczyk Nathan
Role Chief Strategy Officer
Sold 19,659 shs ($3.75M)
Approx. gross sale proceeds $3.75M
Type Security Shares Price Value
Conversion Class B Common Stock F1 19,659 $0.00 $0.00
Conversion Class A Common Stock F1 19,659 -- --
Sale Class A Common Stock F2, F3 11,860 $190.2381 $2.26M
Sale Class A Common Stock F2, F4 7,199 $191.4281 $1.38M
Sale Class A Common Stock F2, F5 600 $192.1608 $115K
holding Class A Common Stock -- -- --
Holdings After Transaction: Class B Common Stock — 44,476,708 shares (Indirect, By Trust); Class A Common Stock — 20,567 shares (Indirect, By Trust); Class A Common Stock — 74,808.445 shares (Direct)
Footnotes (5)
  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.
  3. F3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.00 to $190.94. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  4. F4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.055 to $191.91. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  5. F5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.00 to $192.43. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Class B shares converted 19,659 shares Class B Common Stock converted into Class A Common Stock on August 26, 2026
Class A shares sold 19,659 shares Total Class A shares sold indirectly by trust on August 26, 2026
Weighted average sale price $190.2381 per share One tranche of Class A sales on August 26, 2026
Weighted average sale price $191.4281 per share Second tranche of Class A sales on August 26, 2026
Weighted average sale price $192.1608 per share Third tranche of Class A sales on August 26, 2026
Class B shares held after conversion 44,476,708 shares Indirectly held by trust following reported conversion
Direct Class A holdings 74,808.445 shares Directly held by Nathan Blecharczyk after the reported transactions
Rule 10b5-1 plan adoption date August 28, 2025 Trading plan under which the August 26, 2026 sales were effected
Class B Common Stock financial
"The Class B Common Stock is convertible at any time at the option"
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.
Class A Common Stock financial
"into the Issuer's Class A Common Stock on a one-to-one basis"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
Rule 10b5-1 trading plan regulatory
"sales reported in this Form 4 were effected pursuant to a Rule 10b5-1"
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.
weighted average price financial
"The price reported in Column 4 is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
indirect ownership financial
"direct_or_indirect": "I","nature_of_ownership": "By Trust""
ten percent owner regulatory
"is_ten_percent_owner": 1"

FAQ

What did Airbnb (ABNB) insider Nathan Blecharczyk report in this Form 4?

He reported converting 19,659 Class B Airbnb shares into 19,659 Class A shares and selling those 19,659 Class A shares in multiple transactions on August 26, 2026, all held indirectly through a trust.

At what prices were the Airbnb (ABNB) shares sold in this filing?

The 19,659 Class A shares were sold at weighted average prices of $190.2381, $191.4281, and $192.1608 per share, with underlying trade price ranges from $190.00 to $192.43, as disclosed in the footnotes.

Was the Airbnb (ABNB) insider sale under a Rule 10b5-1 plan?

Yes. The filing states that the sales were effected under a Rule 10b5-1 trading plan adopted on August 28, 2025, and the Rule 10b5-1 checkbox is affirmatively marked.

How many Airbnb (ABNB) Class B shares does Nathan Blecharczyk hold after these transactions?

After the reported conversion, a trust associated with Nathan Blecharczyk held 44,476,708 shares of Class B Common Stock of Airbnb on an indirect basis.

How many Airbnb (ABNB) Class A shares does Nathan Blecharczyk hold directly after the transactions?

The Form 4 shows a holding entry of 74,808.445 shares of Class A Common Stock held directly by Nathan Blecharczyk following the reported transactions.

What is the conversion ratio between Airbnb (ABNB) Class B and Class A shares?

The filing states that Class B Common Stock is convertible into Class A Common Stock on a one-to-one basis. Class B shares may also automatically convert to Class A upon specified transfer or time-based events.

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

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Learn about SEC filing dates
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)
08/26/2026
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 Stock08/26/2026C19,659A(1)40,226IBy Trust
Class A Common Stock08/26/2026S(2)11,860D$190.2381(3)28,366IBy Trust
Class A Common Stock08/26/2026S(2)7,199D$191.4281(4)21,167IBy Trust
Class A Common Stock08/26/2026S(2)600D$192.1608(5)20,567IBy Trust
Class A Common Stock74,808.445D
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)08/26/2026C19,659 (1) (1)Class A Common Stock19,659$044,476,708IBy 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.
3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $190.00 to $190.94. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $191.055 to $191.91. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $192.00 to $192.43. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
/s/ Courtney Shike, Attorney-in-fact08/28/2026
** 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)