Walter Klemp V

Insider Reports History

Identity Names, identifiers, and filing context for this profile. 1 identity field
Reporting-owner location
Houston, TX
SEC source record Original filing metadata and source links for verification. 1 source field
Latest reporting-owner signature
/s/ Jonathan P. Foster by Power of Attorney
Source: Latest parsed Forms 3/4/5 signature
Source evidence Original filing metadata and source links for verification. 1 source field
Transaction source note
Rows are grouped by transaction date from the original SEC filing. Open the aggregated insider activity page to review issuer-level activity across dates.

Reported holdings for Walter Klemp V

Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Performance Based Restricted Stock Units
Shares / value
3,960,731
Estimated value
$1,327,119
Report date
12 Nov 2025
Price
$3.57
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Restricted Stock Units
Shares / value
2,548,335
Estimated value
$1,171,503
Report date
15 Oct 2026
Price
$3.57
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Stock option (right to buy)
Shares / value
3,210,731
Estimated value
Report date
12 Nov 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Series E Warrants
Shares / value
2,409,481
Estimated value
Report date
23 Jun 2025
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Options (right to buy)
Shares / value
2,341,335
Estimated value
Report date
15 Oct 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding CEO and President, Director

Moleculin Biotech, Inc.

Security class
Series I Warrants
Shares / value
1,926,335
Estimated value
Report date
03 Aug 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Executive Chairman, Director

Soliton, Inc.

Security class
Common Stock
Shares / value
0
Estimated value
Report date
16 Dec 2021
Price
$22.60
Ownership
Direct
Form 4 holding Executive Chairman, Director

Soliton, Inc.

Security class
Stock option (right to buy)
Shares / value
0
Estimated value
Report date
16 Dec 2021
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Executive Chairman, Director

Soliton, Inc.

Security class
Warrant (right to buy)
Shares / value
0
Estimated value
Report date
16 Dec 2021
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Walter Klemp V

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