Transaction · 0001437749-26-031411

Robinson Chandler

Robinson Chandler, CEO, reported an open-market or private sale at Monopar Therapeutics involving 10450.000000 shares for an estimated $910717.50. Reported holdings after the transaction were 117873.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
MNPRMonopar Therapeutics
Filing timeSep 29
Trade dateSep 24, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded8.14%Shares sold ÷ (holdings after + shares sold). Estimated position before: 128,323 shares.

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.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$85.23
Pre-filing
1mo ago +30.5%1w ago +20.5%1d ago +4.9%
Returns since
7d30d90d180d1y

MNPR price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MNPR since 2026-09-29Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001437749-26-031411
Common Stock
Transaction date
Sep 24, 2026
Filed Sep 29, 2026, 12:47 AM · 5d delay
Shares
10.4k sh
$87.15 per share
Estimated value
-$910k
Computed from shares × price
Holdings after
117k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership 10b5-1 Detected
-4score
Filing-only score

-4

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.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

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

    This transaction was effected pursuant to a Rule 10b5-1 Plan executed by the reporting person on June 25, 2026.

  2. F2

    On August 9, 2018, the reporting person was granted stock options to purchase up to 29,100 shares of common stock. Stock options vest 6/51 on the six-month anniversary of vesting commencement date of…

  3. F3

    On February 2, 2022, the reporting person was granted stock options to purchase up to 42,204 shares of common stock. Stock options vest 6/48ths on June 30, 2022 and 1/48ths per month thereafter.

  4. F4

    Represents shares held by the Chandler D. Robinson Irrevocable Trust U/A dated May 20, 2020.

  5. F5

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.54 to $87.53, inclusive. The reporting person undertakes to provi…

  6. F6

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.54 to $88.53, inclusive. The reporting person undertakes to provi…

  7. F7

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.54 to $89.51, inclusive. The reporting person undertakes to provi…

  8. F8

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.56 to $89.91, inclusive. The reporting person undertakes to provi…

Original filing · 0001437749-26-031411
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Same reporting owner
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