BLECHARCZYK NATHAN (Chief Strategy Officer) sold 77.5% of their position (70.78K shares) of AIRBNB, INC. on the open market

Open‑market sale worth $13.45M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales

BLECHARCZYK NATHAN

Filed: 9/1/2026ACC: 0001193125-26-379003

InsiderBLECHARCZYK NATHANCIK 1834147

→

IssuerAIRBNB, INC.CIK 1559720

DirectorOfficer10% Owner· Chief Strategy Officer

Since Dec 2020

-74.85K

Net shares

Net seller

$13.45M

Total sold

Open market trades

0B · 7S

Total transactions

74.85K acquired · 149.70K disposed

Non-Derivative Transactions10

Class A Common Stock

Indirect

C · Conversion

+57.16K

Price / share

—

Trade value

—

% of position

277.9%

8/28/2026

20.57K→77.73K

Class A Common Stock

Indirect

S · Sale

−45.22K

Price / share

$190.58

Trade value

$8.62M

% of position

58.2%

8/28/2026

77.73K→32.51K

Class A Common Stock

Indirect

S · Sale

−11.95K

Price / share

$191.20

Trade value

$2.28M

% of position

36.7%

8/28/2026

32.51K→20.57K

Class A Common Stock

Indirect

C · Conversion

+17.69K

Price / share

—

Trade value

—

% of position

86.0%

8/31/2026

20.57K→38.26K

Class A Common Stock

Indirect

G · Gift

−4.08K

Price / share

—

Trade value

—

% of position

10.7%

8/31/2026

38.26K→34.18K

Class A Common Stock

Indirect

S · Sale

−1.89K

Price / share

$185.67

Trade value

$350.36K

% of position

5.5%

8/31/2026

34.18K→32.30K

Class A Common Stock

Indirect

S · Sale

−4.04K

Price / share

$186.38

Trade value

$753.36K

% of position

12.5%

8/31/2026

32.30K→28.25K

Class A Common Stock

Indirect

S · Sale

−3.73K

Price / share

$187.68

Trade value

$699.68K

% of position

13.2%

8/31/2026

28.25K→24.52K

Class A Common Stock

Indirect

S · Sale

−3.72K

Price / share

$188.51

Trade value

$701.05K

% of position

15.2%

8/31/2026

24.52K→20.81K

Class A Common Stock

Indirect

S · Sale

−239.00

Price / share

$189.05

Trade value

$45.18K

% of position

1.1%

8/31/2026

20.81K→20.57K

Total

Net shares

+0.00

Net value

-$13.45M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	8/28/2026	C · Conversion	+57.16K	—	—	277.9%	20.57K	77.73K
Class A Common Stock Indirect	8/28/2026	S · Sale	−45.22K	$190.58	$8.62M	58.2%	77.73K	32.51K
Class A Common Stock Indirect	8/28/2026	S · Sale	−11.95K	$191.20	$2.28M	36.7%	32.51K	20.57K
Class A Common Stock Indirect	8/31/2026	C · Conversion	+17.69K	—	—	86.0%	20.57K	38.26K
Class A Common Stock Indirect	8/31/2026	G · Gift	−4.08K	—	—	10.7%	38.26K	34.18K
Class A Common Stock Indirect	8/31/2026	S · Sale	−1.89K	$185.67	$350.36K	5.5%	34.18K	32.30K
Class A Common Stock Indirect	8/31/2026	S · Sale	−4.04K	$186.38	$753.36K	12.5%	32.30K	28.25K
Class A Common Stock Indirect	8/31/2026	S · Sale	−3.73K	$187.68	$699.68K	13.2%	28.25K	24.52K
Class A Common Stock Indirect	8/31/2026	S · Sale	−3.72K	$188.51	$701.05K	15.2%	24.52K	20.81K
Class A Common Stock Indirect	8/31/2026	S · Sale	−239.00	$189.05	$45.18K	1.1%	20.81K	20.57K
Total			+0.00		-$13.45M

Derivative Transactions2

Class B Common Stock

Indirect

C · Conversion

Converts to

Class A Common Stock

57.16K shares

−57.16K

Strike price

Held after

44.42M

Exercisable

—

8/28/2026

Class B Common Stock

Indirect

C · Conversion

Converts to

Class A Common Stock

17.69K shares

−17.69K

Strike price

Held after

44.40M

Exercisable

—

8/31/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Indirect	Class A Common Stock57.16K shares	8/28/2026	C · Conversion	−57.16K		—	44.42M
Class B Common Stock Indirect	Class A Common Stock17.69K shares	8/31/2026	C · Conversion	−17.69K		—	44.40M

Non-Derivative Holdings (Post-Transaction)1

Class A Common Stock

Direct

Shares owned74.81K

Total

74.81K direct74.81K

Security Title	Shares Owned	Ownership Type
Class A Common Stock	74.81K	Direct
Total	74.81K	74.81K direct

Derivative Holdings (Post-Transaction)0

No derivative holdings reported