KLAUSNER ARTHUR J

PrivateCIK: 1207790
Location

BEDFORD, NY

KLAUSNER ARTHUR J sold 36.9% of their position (5.12K shares) of MONOPAR THERAPEUTICS on the open market

Open‑market sale worth $343.9K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderKLAUSNER ARTHUR JCIK 1207790
IssuerMONOPAR THERAPEUTICSCIK 1645469
Director
Since Aug 2018
-5.12K
Net shares
Net seller
$343.9K
Total sold
2
Open market trades
0B · 2S
2
Total transactions
5.12K disposed
Non-Derivative Transactions2

Common Stock

Direct
S · Sale

Shares

4.66K

Price / share

$67.06

Trade value

$312.50K

% of position

33.6%
12/18/2025
13.88K9.22K

Common Stock

Direct
S · Sale

Shares

461.00

Price / share

$68.09

Trade value

$31.39K

% of position

5.0%
12/18/2025
9.22K8.76K
Total

Net shares

5.12K

Net value

-$343.89K

Derivative Transactions0
No derivative transactions reported
KLAUSNER ARTHUR J — Insider Transaction (Form 4) Filed Dec 19, 2025 | Finecho