Reporting owner · CIK 0001834147

Blecharczyk Nathan

Visual SEC Form 4 history across 1 companies, 48 transactions and 9 filings.

CSOChief Strategy OfficerAirbnb, Inc.
Open-market mix
Latest filingSep 01, 2026, 11:40 PM
Filings9Form 4 records
Buying$00 purchases
Selling$120.7M22 sales
Net value−$120.7MBuys minus sells
Companies13 securities
Most recentAug 31, 2026unknown

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
20100-10-203Feb 2519Aug 26

Net value flow

Buys minus sells

Feb 25
−$33.1M
Aug 26
−$87.5M

Transaction texture

Ownership and ticket size

Average P/S size$5.5M
Median P/S size$1.2M
Direct10
Indirect38
Aug 31, 2026unknown

Filing-only signals

Deterministic matches in this insider's history

Cluster Sellingpattern3Derivative Transactionfiling-context10Direct Ownershipfiling-context10Large Holdings Increaseholdings8Large Holdings Reductionholdings13Large Salesize11Repeat Sellerpattern2010b5-1 Detectedfiling-context44

Latest Form 4 facts

Quick context from source filings

Latest transaction

sale at Airbnb, Inc. on Aug 31, 2026 valued at $45,182.

Review SEC filing
Latest buy

No open-market insider purchase is available.

Associated companies

Visual map of known reporting history

ABNBAirbnb, Inc.48 transactions · latest Sep 01, 2026, 11:40 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
ABNBBlecharczyk Nathan
CSO
unknown10b5-117.6k$0C
Derivative Transaction 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
unknown10b5-157.1k$0C
Derivative Transaction 10b5-1 Detected
0.0%09/0108/28
ABNBBlecharczyk Nathan
CSO
sale10b5-1239-$4.51MS
Repeat Seller 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
sale10b5-13.71k-$70.1MS
Repeat Seller 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
sale10b5-13.72k-$69.9MS
Repeat Seller 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
sale10b5-14.04k-$75.3MS
Repeat Seller 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
sale10b5-11.88k-$35.0MS
Repeat Seller 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
gift10b5-14.07k$0G
10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
unknown10b5-117.6k—C
Large Holdings Increase 10b5-1 Detected
0.0%09/0108/31
ABNBBlecharczyk Nathan
CSO
sale10b5-111.9k-$228MS
Large Holdings Reduction Large Sale Repeat Seller+1
0.0%09/0108/28

Blecharczyk Nathan Insider Activity FAQ

SEC Form 4 context

Who is Blecharczyk Nathan?

Blecharczyk Nathan is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001834147.

Which companies has Blecharczyk Nathan reported transactions for?

Airbnb, Inc.

When was Blecharczyk Nathan's latest insider buy?

No open-market insider purchase is available for this period.

When was Blecharczyk Nathan's latest insider sale?

sale at Airbnb, Inc. on Aug 31, 2026 valued at $45,182.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.