KLEIN UWE

PrivateCIK: 2040350
Location

SOUTH SAN FRANCISCO, CA

KLEIN UWE (SVP, Biological Sciences) exercised options at SEPTERNA, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises
InsiderKLEIN UWECIK 2040350
IssuerSEPTERNA, INC.CIK 1984086
Officer· SVP, Biological Sciences
Since Feb 2026
0.00
Net shares
Net seller
$94.4K
Total acquired
0
Open market trades
0B · 0S
6
Total transactions
23.01K acquired · 23.01K disposed
Non-Derivative Transactions3

Common Stock

Direct
M · Option Exercise

Shares

+10.45K

Price / share

$2.76

Trade value

$28.85K

% of position

New position
8/18/2025
0.0010.45K

Common Stock

Direct
M · Option Exercise

Shares

+4.93K

Price / share

$2.76

Trade value

$13.62K

% of position

47.2%
8/18/2025
10.45K15.39K

Common Stock

Direct
M · Option Exercise

Shares

+7.62K

Price / share

$6.81

Trade value

$51.90K

% of position

49.5%
8/18/2025
15.39K23.01K
Total

Net shares

+23.01K

Net value

$94.37K

Derivative Transactions3

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

10.45K shares

Shares

10.45K

Strike price

2.76

Held after

10.45K

Exercisable

8/18/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

4.93K shares

Shares

4.93K

Strike price

2.76

Held after

9K

Exercisable

8/18/2025

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

7.62K shares

Shares

7.62K

Strike price

6.81

Held after

33.03K

Exercisable

8/18/2025
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned104.53K
Total
104.53K indirect104.53K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
KLEIN UWE — Insider Transaction (Form 4) Filed Aug 19, 2025 | Finecho