SIMPSON ADAM K. (Chief Executive Officer) sold 5.4% of their position (15K shares) of ICOSAVAX, INC. on the open market

Open‑market sale worth $235.1K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SIMPSON ADAM K.

Filed: 1/4/2024ACC: 0001209191-24-000844

InsiderSIMPSON ADAM K.CIK 1873839

→

IssuerICOSAVAX, INC.CIK 1786255

DirectorOfficer· Chief Executive Officer

Since Jul 2021

-15K

Net shares

Net seller

$235.1K

Total sold

Open market trades

0B · 1S

Total transactions

15K acquired · 30K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+15K

Price / share

$1.04

Trade value

$15.60K

% of position

5.8%

1/2/2024

260.64K→275.64K

Common Stock

Direct

S · Sale

−15K

Price / share

$15.67

Trade value

$235.09K

% of position

5.4%

1/2/2024

275.64K→260.64K

Total

Net shares

+0.00

Net value

-$219.49K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	1/2/2024	M · Option Exercise	+15K	$1.04	$15.60K	5.8%	260.64K	275.64K
Common Stock Direct	1/2/2024	S · Sale	−15K	$15.67	$235.09K	5.4%	275.64K	260.64K
Total			+0.00		-$219.49K

Derivative Transactions1

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

15K shares

−15K

Strike price

1.04

Held after

299.68K

Exercisable

—

1/2/2024

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock15K shares	1/2/2024	M · Option Exercise	−15K	1.04	—	299.68K

Non-Derivative Holdings (Post-Transaction)3

Common Stock

Indirect

Shares owned531.58K

Common Stock

Indirect

Shares owned129.03K

Common Stock

Indirect

Shares owned129.03K

Total

789.64K indirect789.64K

Security Title	Shares Owned	Ownership Type
Common Stock	531.58K	Indirect
Common Stock	129.03K	Indirect
Common Stock	129.03K	Indirect
Total	789.64K	789.64K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported