STOCK TITAN

Airbnb CSO sells 70,775 shares at $186–$191

Blecharczyk’s trust converted Class B to Class A, bought 74,852 shares and sold 70,775, plus gifted 4,077 shares under a 10b5-1 plan.

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Airbnb, Inc. (ABNB) reported that director and Chief Strategy Officer Nathan Blecharczyk, through a trust, converted Class B Common Stock into Class A Common Stock and then executed pre-planned transactions. On August 28 and 31, 2026, the trust acquired 74,852 Class A shares via conversions and sold 70,775 Class A shares, plus made a bona fide gift of 4,077 shares, under a Rule 10b5-1 trading plan adopted on August 28, 2025. A direct holding of 74,808.445 Class A shares was reported as of August 28, 2026.

Positive

  • None.

Negative

  • None.
Insider Blecharczyk Nathan
Role Chief Strategy Officer
Sold 70,775 shs ($13.45M)
Approx. gross sale proceeds $13.45M
Type Security Shares Price Value
Conversion Class B Common Stock F1 17,692 $0.00 $0.00
Conversion Class A Common Stock F1 17,692 -- --
Gift Class A Common Stock F2 4,077 $0.00 $0.00
Sale Class A Common Stock F2, F5 1,887 $185.6711 $350K
Sale Class A Common Stock F2, F6 4,042 $186.3818 $753K
Sale Class A Common Stock F2, F7 3,728 $187.6832 $700K
Sale Class A Common Stock F2, F8 3,719 $188.5059 $701K
Sale Class A Common Stock F2, F9 239 $189.0457 $45K
Conversion Class B Common Stock F1 57,160 $0.00 $0.00
Conversion Class A Common Stock F1 57,160 -- --
Sale Class A Common Stock F2, F3 45,215 $190.5815 $8.62M
Sale Class A Common Stock F2, F4 11,945 $191.2004 $2.28M
holding Class A Common Stock -- -- --
Holdings After Transaction: Class B Common Stock — 44,401,856 contracts (Indirect, By Trust); Class A Common Stock — 20,567 shares (Indirect, By Trust); Class A Common Stock — 74,808.445 shares (Direct)
Footnotes (9)
  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 gift and 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 $190.96. 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 $191.00 to $191.36. 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 $185.51 to $185.92. 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.
  6. F6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.00 to $186.96. 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.
  7. F7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.06 to $187.92. 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.
  8. F8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.03 to $188.97. 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.
  9. F9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.02 to $189.075. 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 A shares sold 70,775 shares Net-sell shares across reported transactions on August 28 and 31, 2026
Class A shares acquired from Class B conversions 74,852 shares ExerciseShares in transaction summary for August 28 and 31, 2026
Gifted Class A shares 4,077 shares Bona fide gift by trust on August 31, 2026
Weighted average sale price August 28, 2026 $190.5815 per share 45,215 Class A shares sold at weighted average price with range $190.00–$190.96
Additional weighted average sale price August 28, 2026 $191.2004 per share 11,945 Class A shares sold at weighted average price with range $191.00–$191.36
Representative sale price August 31, 2026 $185.6711 per share 1,887 Class A shares sold at weighted average price with range $185.51–$185.92
Direct Class A holdings after transactions 74,808.445 shares Directly held Class A Common Stock position reported as of August 28, 2026
Rule 10b5-1 trading plan regulatory
"The gift and 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.
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.
bona fide gift regulatory
"transaction_code_description": "Bona fide gift""
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
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.
Class A Common Stock financial
"convertible at any time at the option of the holder into the Issuer's Class A Common Stock"
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.

FAQ

What did Nathan Blecharczyk report in this Form 4 for ABNB?

He reported Class B to Class A conversions and subsequent transactions by a trust, including 74,852 Class A shares acquired from conversions, 70,775 Class A shares sold, and a bona fide gift of 4,077 Class A shares on August 28 and 31, 2026.

How many Airbnb (ABNB) shares were sold in these transactions?

The filing’s transaction summary shows 70,775 Class A Common Stock shares were sold in total across the reported transactions on August 28 and 31, 2026.

At what prices were the ABNB shares sold in this Form 4?

Reported weighted average sale prices per share include $190.5815 and $191.2004 on August 28, 2026, and prices such as $185.6711, $186.3818, $187.6832, $188.5059, and $189.0457 on August 31, 2026, each over stated intra-day ranges.

Were the ABNB insider transactions made under a Rule 10b5-1 plan?

Yes. A footnote states the gift and sales were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025, and the Form 4 indicates the Rule 10b5-1 checkbox as affirmed.

How many ABNB shares did the insider hold directly after these transactions?

A direct holding of 74,808.445 shares of Class A Common Stock was reported as of August 28, 2026. Other shares involved in the reported transactions were held indirectly through a trust.

What happened to Airbnb (ABNB) Class B Common Stock in this filing?

Trust-held Class B Common Stock was converted into Class A Common Stock on a one-to-one basis, including 57,160 shares on August 28, 2026 and 17,692 shares on August 31, 2026, consistent with the stated Class B conversion terms.

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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)
08/28/2026
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 Stock08/28/2026C57,160A(1)77,727IBy Trust
Class A Common Stock08/28/2026S(2)45,215D$190.5815(3)32,512IBy Trust
Class A Common Stock08/28/2026S(2)11,945D$191.2004(4)20,567IBy Trust
Class A Common Stock08/31/2026C17,692A(1)38,259IBy Trust
Class A Common Stock08/31/2026G(2)4,077D$034,182IBy Trust
Class A Common Stock08/31/2026S(2)1,887D$185.6711(5)32,295IBy Trust
Class A Common Stock08/31/2026S(2)4,042D$186.3818(6)28,253IBy Trust
Class A Common Stock08/31/2026S(2)3,728D$187.6832(7)24,525IBy Trust
Class A Common Stock08/31/2026S(2)3,719D$188.5059(8)20,806IBy Trust
Class A Common Stock08/31/2026S(2)239D$189.0457(9)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)08/28/2026C57,160 (1) (1)Class A Common Stock57,160$044,419,548IBy Trust
Class B Common Stock(1)08/31/2026C17,692 (1) (1)Class A Common Stock17,692$044,401,856IBy 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 gift and 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 $190.96. 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 $191.00 to $191.36. 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 $185.51 to $185.92. 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.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $186.00 to $186.96. 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.
7. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $187.06 to $187.92. 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.
8. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $188.03 to $188.97. 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.
9. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $189.02 to $189.075. 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-fact09/01/2026
** 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)