Dennis Langer

CIK: 0001274225

Transaction Breakdown

Open Market Buys (P)1 (16.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (83.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

QNRX

Quoin Pharmaceuticals Ltd.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

QNRX
Quoin Pharmaceuticals, Ltd.
Aug 27, 2026
Award(A)
Direct
34.5K shares at avg. $5.15$178K
QNRX
Quoin Pharmaceuticals, Ltd.
Feb 4, 2026
Award(A)
Share Option (Right to Buy)
Direct
21.7K shares-
QNRX
Quoin Pharmaceuticals, Ltd.
Oct 14, 2025
Purchase(P)
Direct
15.2K shares at avg. $8.49$129K
QNRX
Quoin Pharmaceuticals, Ltd.
Aug 21, 2025
Award(A)
Share Option (Right to Buy)
Direct
13.7K shares-
QNRX
Quoin Pharmaceuticals, Ltd.
May 29, 2025
Award(A)
Share Option (Right to Buy)
Direct
7.8K shares-
QNRX
Quoin Pharmaceuticals, Ltd.
Dec 9, 2024
Award(A)
Share Option (Right to Buy)
Direct
50.7K shares-

		Type	Shares	Price		Ownership
Aug 27, 2026	QNRX Quoin Pharmaceuticals, Ltd.	Award(A)	34,534	$5.15	$177,850	Direct
Feb 4, 2026	QNRX Quoin Pharmaceuticals, Ltd.	Award(A) Share Option (Right to Buy)	21,709	-	-	Direct
Oct 14, 2025	QNRX Quoin Pharmaceuticals, Ltd.	Purchase(P)	15,152	$8.49	$128,640	Direct
Aug 21, 2025	QNRX Quoin Pharmaceuticals, Ltd.	Award(A) Share Option (Right to Buy)	13,682	-	-	Direct
May 29, 2025	QNRX Quoin Pharmaceuticals, Ltd.	Award(A) Share Option (Right to Buy)	7,760	-	-	Direct
Dec 9, 2024	QNRX Quoin Pharmaceuticals, Ltd.	Award(A) Share Option (Right to Buy)	50,714	-	-	Direct

1-6 of 6 transactions

About LANGER DENNIS

LANGER DENNIS (SEC CIK 0001274225) files insider reports with the SEC as Director of Quoin Pharmaceuticals Ltd. (QNRX).

Signal8 holds 7 ownership filings by LANGER DENNIS, all Form 4s, filed between Dec 10, 2024 and Oct 26, 2026. Those filings report 6 transactions, from Dec 9, 2024 to Aug 27, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on LANGER DENNIS's filings is in ASHBURN, VA.

Recent filings by LANGER DENNIS

Aug 27, 2026: Grant or award of QNRX shares (Form 4, code A).
Feb 4, 2026: Grant or award of QNRX derivative securities (Form 4, code A).
Oct 14, 2025: Open-market purchase of QNRX shares (Form 4, code P).
Aug 21, 2025: Grant or award of QNRX derivative securities (Form 4, code A).
May 29, 2025: Grant or award of QNRX derivative securities (Form 4, code A).

Other insiders filing for Quoin Pharmaceuticals Ltd. (QNRX)

Carter Denise P., Chief Operating Officer
Myers Michael, Chief Executive Officer
Lawlor Sally Bridget, Chief Financial Officer
Culverwell Anthony James, Director
Cooper Joseph Patrick, Director
SEMBER MICHAEL T, Director

How to read Form 4 transaction codes