KLEMP WALTER V

PrivateCIK: 938419
Location

HOUSTON, TX

KLEMP WALTER V (CEO and President) exercised options at MOLECULIN BIOTECH, INC.

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

M · 2 exercises
InsiderKLEMP WALTER VCIK 938419
→
IssuerMOLECULIN BIOTECH, INC.CIK 1659617
DirectorOfficer· CEO and President
Since Jul 2019
-125.00
Net shares
Net seller
$381.12
Total sold
0
Open market trades
0B · 0S
6
Total transactions
510.00 acquired · 635.00 disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+150.00

Price / share

—

Trade value

—

% of position

0.5%
6/20/2026
30.61K→30.77K

Common Stock

Direct
F · Tax Withholding

Shares

−37.00

Price / share

$2.88

Trade value

$106.56

% of position

0.1%
6/20/2026
30.77K→30.73K

Common Stock

Direct
M · Option Exercise

Shares

+360.00

Price / share

—

Trade value

—

% of position

1.2%
6/22/2026
30.73K→31.09K

Common Stock

Direct
F · Tax Withholding

Shares

−88.00

Price / share

$3.12

Trade value

$274.56

% of position

0.3%
6/22/2026
31.09K→31.01K
Total

Net shares

+385.00

Net value

-$381.12

Derivative Transactions2

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

150.00 shares

Shares

−150.00

Strike price

Held after

326.70K

Exercisable

—

6/20/2026

Restricted Stock Units

Direct
M · Option Exercise
Converts to

Common Stock

360.00 shares

Shares

−360.00

Strike price

Held after

326.34K

Exercisable

—

6/22/2026
KLEMP WALTER V — Insider Transaction (Form 4) Filed Jun 25, 2026 | Finecho