Transaction · 0001437749-26-032865

Klemp Walter V

KLEMP WALTER V, CEO, PRES, reported a transaction classified as exercise at Moleculin Biotech, Inc. involving 207500.000000 shares. Reported holdings after the transaction were 771840.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCEO, PRES
MBRXMoleculin Biotech, Inc.
Trade date
Oct 15, 2026
Filing date
Oct 17, 2026
View on SEC Insider profile
Estimated value—Shares × reported price
Shares traded207kPrice unknown
Holdings after771kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

MBRX price since this filing

Daily closing prices, with the filing date and available return windows
MBRX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago1d ago
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001437749-26-032865
Common Stock
Transaction date
Oct 15, 2026
Filed Oct 17, 2026, 01:00 AM · 2d delay
Shares
207,500 sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
771,840 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Large Holdings Increase
Filing-only score

+2 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • missing_price-8 points

    price_cents is null

    Missing price reduces confidence in value-based signals.
Missing facts
  • price_cents
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO and President

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Restricted stock units convert into common stock on a one-for-one basis.

  2. F2

    Shares withheld for payment of taxes upon vesting of restricted stock unit awards.

  3. F3

    The stock option/restricted stock unit set forth in this table vests as follows: (i) 50% on grant; and (ii) 50% in 18 equal installments over 18 months.

  4. F4

    Issued in connection with the reporting person's employment with the Company.

  5. F5

    Each restricted stock unit represents a contingent right to receive one shares of Company common stock.

Original filing · 0001437749-26-032865
Related transactions

0 other transactions

Same SEC filing
Recent company activity

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