Dennis Langer - Director at Quoin Pharmaceuticals, Ltd.

Issuer-level insider activity

Role
Director
Issuer ticker
QNRX on Nasdaq
Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

Past-year transaction volume for Dennis Langer in Quoin Pharmaceuticals, Ltd.

Buys

Open market
Shares
+15,152
Avg price
$8.49
Total value
+$128,640

Sells

Open market
Shares
Avg price
Total value

Net

Past year
Shares
+15,152
Share %
100%
Total value
+$128,640

Reported holdings for Dennis Langer in Quoin Pharmaceuticals, Ltd.

Form 4 holding Director

Quoin Pharmaceuticals, Ltd.

Security class
Share Option (Right to Buy)
Shares / value
21,709
Estimated value
Report date
04 Feb 2026
Price
Ownership
Direct
Underlying class
ADS
Underlying amount
Form 4 holding Director

Quoin Pharmaceuticals, Ltd.

Security class
Series H Warrants (Right to Buy)
Shares / value
15,152
Estimated value
Report date
14 Oct 2025
Price
Ownership
Direct
Underlying class
ADS
Underlying amount
Form 4 holding Director

Quoin Pharmaceuticals, Ltd.

Security class
Series I Warrants (Right to Buy)
Shares / value
15,152
Estimated value
Report date
14 Oct 2025
Price
Ownership
Direct
Underlying class
ADS
Underlying amount
Form 4 holding Director

Quoin Pharmaceuticals, Ltd.

Security class
Series J Warrants (Right to Buy)
Shares / value
15,152
Estimated value
Report date
14 Oct 2025
Price
Ownership
Direct
Underlying class
ADS
Underlying amount
Form 4 holding Director

Quoin Pharmaceuticals, Ltd.

Security class
Series K Warrants (Right to Buy)
Shares / value
15,152
Estimated value
Report date
14 Oct 2025
Price
Ownership
Direct
Underlying class
ADS
Underlying amount

Transaction history for Dennis Langer in Quoin Pharmaceuticals, Ltd.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .