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.
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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.
Insider Trade Summary 10b5-1
Exercise and sale activity reported; no spread calculated
Exercise and Sale
13 txns
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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
Key Figures
Class A shares sold: 70,775 shares
Class A shares acquired from Class B conversions: 74,852 shares
Gifted Class A shares: 4,077 shares
+4 more
7 metrics
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
Key Terms
Rule 10b5-1 trading plan, weighted average price, bona fide gift, Class B Common Stock, +1 more
5 terms
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
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
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.
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.
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.
AI-generated analysis. How Rhea-AI works. Not financial advice.
