STOCK TITAN

Quoin insider buys 20,490 ADSs at $4.88 each

After the ADS purchase, insider Carter directly owns 37,709 ADSs, while the warrants are immediately exercisable under a beneficial ownership cap.

(Neutral)
(Positive)
Form Type
4

Rhea-AI Filing Summary

Quoin Pharmaceuticals, Ltd. (QNRX) director and Chief Operating Officer Denise P. Carter reported net purchases on August 31, 2026. She purchased 20,490 ADSs at $4.88 per ADS in a private placement and acquired 10,245 ordinary warrants with a $6.10 exercise price, giving the right to buy 10,245 ADSs. Each ADS represents 35 ordinary shares. The warrants are immediately exercisable, subject to a beneficial ownership cap, and will expire on the earlier of five years from issuance or 30 days after Quoin publicly announces that the primary endpoint has been met in clinical trial CL-QRX003-004 for Netherton Syndrome. Following the ADS purchase, Carter directly owns 37,709 ADSs.

Positive

  • None.

Negative

  • None.
Insider Carter Denise P.
Role Chief Operating Officer
Bought 30,735 shs
Type Security Shares Price Value
Purchase Ordinary Warrants (Right to Buy) F2, F3, F4, F1 10,245 -- --
Purchase ADSs F1, F2 20,490 $4.88 $100K
Holdings After Transaction: Ordinary Warrants (Right to Buy) — 10,245 contracts (Direct); ADSs — 37,709 shares (Direct)
Footnotes (4)
  1. F1. Ordinary Shares are represented by American Depositary Shares ("ADSs"). Each ADS represents thirty-five (35) ordinary shares of the Issuer.
  2. F2. Purchased in Issuer's private placement of ADSs with 50% warrant coverage. The ADSs and accompanying ordinary warrants ("Warrants") were issued at a combined purchase price of $4.88.
  3. F3. The Warrants were exercisable immediately upon issuance, subject to a beneficial ownership cap.
  4. F4. The Warrants will expire on the earlier of (i) five (5) years from the date of issuance or (ii) 30 days after the Issuer's public announcement that the primary endpoint has been met in the clinical trial CL-QRX003-004 for the treatment of Netherton Syndrome.
ADSs purchased 20,490 ADSs Purchased on August 31, 2026 at $4.88 per ADS in a private placement
ADS purchase price $4.88 per ADS Combined purchase price for ADSs and accompanying warrants in private placement
Ordinary warrants acquired 10,245 warrants Ordinary Warrants (Right to Buy) acquired with 50% warrant coverage
Warrant exercise price $6.10 per ADS Conversion or exercise price for the ordinary warrants acquired on August 31, 2026
ADS holdings after transaction 37,709 ADSs Direct ownership reported after the August 31, 2026 ADS purchase
ADS to ordinary share ratio 1 ADS : 35 ordinary shares Each ADS represents thirty-five ordinary shares of Quoin Pharmaceuticals
Total shares bought (ADSs and underlying warrants) 30,735 ADS-equivalent instruments 20,490 ADSs plus 10,245 ADS-underlying warrants purchased on August 31, 2026
Warrant maximum term 5 years Warrants expire five years from issuance unless earlier terminated by trial endpoint announcement
American Depositary Shares financial
"Ordinary Shares are represented by American Depositary Shares ("ADSs")."
American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.
beneficial ownership cap financial
"The Warrants were exercisable immediately upon issuance, subject to a beneficial ownership cap."
A beneficial ownership cap is a rule that limits how much of a company a single investor or related group can effectively control, even if legal ownership could be higher. Think of it as a speed limit for ownership that prevents any one party from accumulating a controlling stake; it matters to investors because it affects takeover risk, voting power, dilution, and potential returns by shaping who can influence corporate decisions.
primary endpoint medical
"30 days after the Issuer's public announcement that the primary endpoint has been met"
The primary endpoint is the single main result a clinical study is designed to measure to decide if a treatment works, like the finish line in a race that tells you who won. Investors care because meeting or missing this goal drives regulatory decisions, future sales expectations and stock value — it turns trial data into a clear yes-or-no signal about a drug’s commercial prospects.
clinical trial CL-QRX003-004 medical
"the clinical trial CL-QRX003-004 for the treatment of Netherton Syndrome."
private placement financial
"Purchased in Issuer's private placement of ADSs with 50% warrant coverage."
A private placement is a sale of securities directly to a selected group of investors, typically institutions or accredited investors, instead of through a public offering. It lets a company raise money faster and with fewer regulatory steps; for existing shareholders it matters because the newly issued shares, often sold at a discount, increase the share count and can dilute their ownership.

FAQ

What did Quoin Pharmaceuticals (QNRX) executive Denise P. Carter buy on August 31, 2026?

She purchased 20,490 ADSs of Quoin Pharmaceuticals at $4.88 per ADS in a private placement and acquired 10,245 ordinary warrants with a $6.10 exercise price, each warrant relating to one ADS.

How many QNRX ADSs does Denise P. Carter hold after these transactions?

After the August 31, 2026 transaction, Denise P. Carter directly holds 37,709 ADSs of Quoin Pharmaceuticals. This figure reflects her reported position following the purchase of 20,490 ADSs in the private placement.

What are the key terms of the Quoin Pharmaceuticals warrants purchased by Denise P. Carter?

She acquired 10,245 ordinary warrants with a $6.10 exercise price per underlying ADS. The warrants are immediately exercisable, subject to a beneficial ownership cap, and expire the earlier of five years from issuance or 30 days after a specified clinical trial endpoint announcement.

Was the QNRX insider purchase made under a Rule 10b5-1 trading plan?

The filing indicates the Rule 10b5-1 checkbox is not affirmed for these transactions, and there is no footnote stating that the purchases were made pursuant to a Rule 10b5-1 trading plan.

What triggers earlier expiration of the Quoin Pharmaceuticals warrants?

The warrants expire on the earlier of five years from issuance or 30 days after Quoin’s public announcement that the primary endpoint has been met in clinical trial CL-QRX003-004 for the treatment of Netherton Syndrome.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Carter Denise P.

(Last)(First)(Middle)
C/O QUOIN PHARMACEUTICALS LTD.,
42127 PLEASANT FOREST COURT

(Street)
ASHBURN VIRGINIA 20148

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Quoin Pharmaceuticals, Ltd. [ QNRX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
Chief Operating Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/31/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
ADSs(1)08/31/2026P(2)20,490A$4.8837,709D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Ordinary Warrants (Right to Buy)$6.108/31/2026P(2)10,24508/31/2026(3) (4)ADS(1)10,245(2)10,245D
Explanation of Responses:
1. Ordinary Shares are represented by American Depositary Shares ("ADSs"). Each ADS represents thirty-five (35) ordinary shares of the Issuer.
2. Purchased in Issuer's private placement of ADSs with 50% warrant coverage. The ADSs and accompanying ordinary warrants ("Warrants") were issued at a combined purchase price of $4.88.
3. The Warrants were exercisable immediately upon issuance, subject to a beneficial ownership cap.
4. The Warrants will expire on the earlier of (i) five (5) years from the date of issuance or (ii) 30 days after the Issuer's public announcement that the primary endpoint has been met in the clinical trial CL-QRX003-004 for the treatment of Netherton Syndrome.
/s/ Denise Carter09/01/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)