Airbnb (ABNB) co-founder’s trust sells 35,565 shares, converts Class B to A
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Airbnb, Inc. director and Chief Strategy Officer Nathan Blecharczyk, through a trust, reported net share sales alongside share conversions. On April 21–22, 2026, the trust sold an aggregate 35,565 shares of Class A Common Stock in open-market transactions at weighted average prices around $145–$147 per share, under a pre-arranged Rule 10b5-1 trading plan adopted on August 28, 2025. Over the same period, the trust converted a total of 35,565 shares of Class B Common Stock into Class A Common Stock on a one-to-one basis, with no cash exercise price. Following these transactions, the filing shows 11,920 Class A shares held indirectly by the trust and 49,250.232 Class A shares held directly, along with 46,018,232 Class B shares held indirectly.
Positive
- None.
Negative
- None.
Insights
Pre-planned sales and conversions by a large Airbnb insider look routine in scale.
The filing shows a trust associated with Nathan Blecharczyk selling 35,565 Class A shares while converting an equal number of Class B shares into Class A on a one-to-one basis. This keeps overall equity exposure largely intact while shifting the share class mix.
The sales were executed under a Rule 10b5-1 trading plan adopted on August 28, 2025, indicating they were pre-scheduled rather than timed opportunistically. After these trades, the insider still holds 49,250.232 Class A shares directly, 11,920 Class A shares indirectly, and 46,018,232 Class B shares indirectly, suggesting the dispositions are small relative to the total position.
Insider Trade Summary 10b5-1
Net Seller: 35,565 shares ($5,180,945)
Net Sell
9 txns
Insider
Blecharczyk Nathan
Role
Chief Strategy Officer
Sold
35,565 shs ($5.18M)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Conversion | Class B Common Stock | 24,788 | $0.00 | -- |
| Conversion | Class A Common Stock | 24,788 | $0.00 | -- |
| Sale | Class A Common Stock | 13,352 | $145.3713 | $1.94M |
| Sale | Class A Common Stock | 11,236 | $146.4205 | $1.65M |
| Sale | Class A Common Stock | 200 | $147.00 | $29K |
| Conversion | Class B Common Stock | 10,777 | $0.00 | -- |
| Conversion | Class A Common Stock | 10,777 | $0.00 | -- |
| Sale | Class A Common Stock | 10,777 | $145.2507 | $1.57M |
| holding | Class A Common Stock | -- | -- | -- |
Holdings After Transaction:
Class B Common Stock — 46,018,232 shares (Indirect, By Trust);
Class A Common Stock — 36,708 shares (Indirect, By Trust);
Class A Common Stock — 49,250.232 shares (Direct, null)
Footnotes (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. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.00 to $145.76. 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $145.00 to $145.955. 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $146.00 to $146.92. 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.
Key Figures
Net shares sold: 35,565 shares
Sale prices: $145.00–$146.92 per share
Shares converted: 35,565 shares
+4 more
7 metrics
Net shares sold
35,565 shares
Aggregate Class A sale volume over April 21–22, 2026
Sale prices
$145.00–$146.92 per share
Weighted-average sale ranges from footnotes F3–F5
Shares converted
35,565 shares
Class B converted into Class A on a one-to-one basis
Indirect Class A holdings
11,920 shares
Class A Common Stock held indirectly by trust after transactions
Direct Class A holdings
49,250.232 shares
Class A Common Stock held directly after transactions
Indirect Class B holdings
46,018,232 shares
Class B Common Stock held indirectly by trust after conversion
Rule 10b5-1 plan adoption date
August 28, 2025
Plan governing the reported open-market sales
Key Terms
Rule 10b5-1 trading plan, Class B Common Stock, weighted average price, derivative conversion, +1 more
5 terms
Rule 10b5-1 trading plan regulatory
"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted on August 28, 2025."
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 into the Issuer's Class A Common Stock on a one-to-one basis."
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.
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.
derivative conversion financial
"transaction_action": "derivative conversion""
initial public offering financial
"the 20-year anniversary of the closing of the Issuer's initial public offering."
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
FAQ
What insider transactions did Airbnb (ABNB) report for Nathan Blecharczyk?
Airbnb reported that a trust associated with Nathan Blecharczyk sold 35,565 shares of Class A Common Stock and converted an equal 35,565 shares of Class B into Class A. These were open-market sales paired with derivative conversions over April 21–22, 2026.
Were Nathan Blecharczyk’s Airbnb (ABNB) stock sales pre-planned?
Yes. The filing states the sales were made under a Rule 10b5-1 trading plan adopted on August 28, 2025. Such plans are established in advance, meaning the timing of individual trades follows predetermined instructions rather than day-to-day discretionary decisions.