ROBINSON CHANDLER

PrivateCIK: 1727334
Location

WILMETTE, IL

ROBINSON CHANDLER (Chief Executive Officer) sold 22.6% of their position (29.06K shares) of MONOPAR THERAPEUTICS on the open market

Open‑market sale worth $2.56M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderROBINSON CHANDLERCIK 1727334
→
IssuerMONOPAR THERAPEUTICSCIK 1645469
DirectorOfficer10% Owner· Chief Executive Officer
Since Aug 2018
-29.06K
Net shares
Net seller
$2.56M
Total sold
4
Open market trades
0B · 4S
8
Total transactions
29.06K acquired · 58.11K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+14.06K

Price / share

$30.00

Trade value

$421.68K

% of position

14.2%
9/24/2026
99.27K→113.32K

Common Stock

Direct
M · Option Exercise

Shares

+15K

Price / share

$14.00

Trade value

$210K

% of position

13.2%
9/24/2026
113.32K→128.32K

Common Stock

Direct
S · Sale

Shares

−10.45K

Price / share

$87.15

Trade value

$910.72K

% of position

8.1%
9/24/2026
128.32K→117.87K

Common Stock

Direct
S · Sale

Shares

−9.64K

Price / share

$87.96

Trade value

$847.76K

% of position

8.2%
9/24/2026
117.87K→108.23K

Common Stock

Direct
S · Sale

Shares

−8.37K

Price / share

$88.97

Trade value

$744.50K

% of position

7.7%
9/24/2026
108.23K→99.87K

Common Stock

Direct
S · Sale

Shares

−600.00

Price / share

$89.79

Trade value

$53.87K

% of position

0.6%
9/24/2026
99.87K→99.27K
Total

Net shares

+0.00

Net value

-$1.93M

Derivative Transactions2

Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

14.06K shares

Shares

−14.06K

Strike price

30

Held after

15.04K

Exercisable

—

9/24/2026

Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

15K shares

Shares

−15K

Strike price

14

Held after

27.20K

Exercisable

—

9/24/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned62.81K
Total
62.81K indirect62.81K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
ROBINSON CHANDLER — Insider Transaction (Form 4) Filed Sep 29, 2026 | Finecho