Bernstein David C
Active proposal10b5-1 planOct 15, 2026 · Class A
Broker: Fidelity Brokerage Services LLC
Proposed
$230.01K
1,369 shares
Reported as executed
$0
0 shares
0% matched
0 linked Form 4 filings
WhaleWave
Ownership research
Company ownership
ABNB · SEC CIK 0001559720
Broad multi-source activity
Analysis window: last 120 days.
2 of 4 source families recorded activity between Jun 18, 2026 and Oct 15, 2026.
Activity
2 of 4
Filing types detected
Recent events
39
Jun 18 – Oct 15
Insider purchases
$0
Form 144 proposals matched against reported Form 4 sales.
A Form 144 is a proposed sale notice. Execution status is based on matching subsequent Form 4 sales.
Bernstein David C
Active proposal10b5-1 planOct 15, 2026 · Class A
Broker: Fidelity Brokerage Services LLC
Proposed
$230.01K
1,369 shares
Reported as executed
$0
0 shares
0% matched
0 linked Form 4 filings
Blecharczyk Nathan
Confirmed10b5-1 planOct 12, 2026 · Class A
Broker: Fidelity Brokerage Services LLC
No reported events
Confirmed sales
$108.75M
20 matched events
Proposed
$2.25M
13,615 shares
Reported as executed
$2.25M
13,615 shares
100% matched
1 linked Form 4 filings
Blecharczyk Nathan
Confirmed10b5-1 planSep 28, 2026 · Class A
Broker: Fidelity Brokerage Services LLC
Proposed
$2.14M
13,615 shares
Reported as executed
$2.14M
13,615 shares
100% matched
1 linked Form 4 filings