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Purple Biotech Ltd. (PPBT) reported that, as of close of business on September 30, 2026, Mitchell P. Kopin, Daniel B. Asher and Intracoastal Capital LLC may each have been deemed to beneficially own 206,941,858 ordinary shares issuable upon exercise of the Intracoastal Warrant, or approximately 9.99% of the class. Each is listed with shared voting and dispositive power over that amount.
The ownership amount excludes another 193,058,142 shares issuable under the warrant because the blocker bars exercise to the extent it would result in ownership above 9.99% for the holder, its affiliates and persons acting as a group with them. The calculation uses 1,864,548,218 shares outstanding as of May 20, 2026, plus the warrant shares; without the blocker, each may have been deemed to beneficially own 400,000,000 shares.
Key Figures
Ordinary shares issuable under the Intracoastal Warrant included in beneficial ownership:206,941,858 sharesReported beneficial ownership:9.99%Ordinary shares outstanding:1,864,548,218 shares+2 more
5 metrics
Ordinary shares issuable under the Intracoastal Warrant included in beneficial ownership206,941,858 sharesAs of close of business on September 30, 2026; amount reported for each reporting person
Reported beneficial ownership9.99%For each reporting person
Ordinary shares outstanding1,864,548,218 sharesAs of May 20, 2026
Ordinary shares issuable under the warrant excluded from the reported amount193,058,142 sharesExcluded under the warrant's blocker provision
Potential beneficial ownership without the blocker400,000,000 ordinary sharesAmount each reporting person may have been deemed to beneficially own without the blocker
"may have been deemed to have beneficial ownership"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Intracoastal Warranttechnical
"issuable upon exercise of the Intracoastal Warrant"
blocker provisiontechnical
"the Intracoastal Warrant contains a blocker provision"
shared voting powerregulatory
"Shared Voting Power 206,941,858.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared dispositive powerregulatory
"Shared Dispositive Power 206,941,858.00"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many PPBT shares are reported as beneficially owned?
As of close of business on September 30, 2026, Mitchell P. Kopin, Daniel B. Asher and Intracoastal Capital LLC each may have been deemed to beneficially own 206,941,858 ordinary shares issuable upon exercise of the Intracoastal Warrant, approximately 9.99% of the class.
Why are 193,058,142 PPBT warrant shares excluded from the reported amount?
The Intracoastal Warrant's blocker prevents exercise to the extent it would result in beneficial ownership above 9.99% for the holder, its affiliates and persons acting as a group with them. Without the blocker, each reporting person may have been deemed to beneficially own 400,000,000 ordinary shares.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 3)
Purple Biotech Ltd.
(Name of Issuer)
Ordinary shares, no par value per share
(Title of Class of Securities)
74638P307
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
74638P307
1
Names of Reporting Persons
Mitchell P. Kopin
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
206,941,858.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
206,941,858.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
206,941,858.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
74638P307
1
Names of Reporting Persons
Daniel B. Asher
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
206,941,858.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
206,941,858.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
206,941,858.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, IN
SCHEDULE 13G
CUSIP Number(s):
74638P307
1
Names of Reporting Persons
Intracoastal Capital LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
206,941,858.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
206,941,858.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
206,941,858.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.99 %
12
Type of Reporting Person (See Instructions)
OO
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Purple Biotech Ltd.
(b)
Address of issuer's principal executive offices:
4 Oppenheimer Street, Science Park, Rehovot 7670104, Israel
Item 2.
(a)
Name of person filing:
This Schedule 13G is being filed on behalf of (i) Mitchell P. Kopin, an individual ("Mr. Kopin"), (ii) Daniel B. Asher, an individual ("Mr. Asher") and (iii) Intracoastal Capital LLC, a Delaware limited liability company ("Intracoastal" and together with Mr. Kopin and Mr. Asher, collectively the "Reporting Persons").
(b)
Address or principal business office or, if none, residence:
The principal business office of Mr. Kopin and Intracoastal is 245 Palm Trail, Delray Beach, Florida 33483. The principal business office of Mr. Asher is 1011 Lake Street, Suite 311, Oak Park, Illinois 60301.
(c)
Citizenship:
Mr. Kopin is a citizen of the United States of America. Mr. Asher is a citizen of the United States of America. Intracoastal is a Delaware limited liability company.
(d)
Title of class of securities:
Ordinary shares, no par value per share
(e)
CUSIP No.:
74638P307
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
As of the close of business on September 30, 2026, each of the Reporting Persons may have been deemed to have beneficial ownership of 206,941,858 Ordinary Shares issuable upon exercise of a warrant held by Intracoastal (the "Intracoastal Warrant"), and all such Ordinary Shares represent beneficial ownership of approximately 9.99% of the Ordinary Shares, based on (1) 1,864,548,218 Ordinary Shares outstanding as of May 20, 2026, as reported by the Issuer, plus (2) 206,941,858 Ordinary Shares issuable upon exercise of the Intracoastal Warrant. The foregoing excludes 193,058,142 Ordinary Shares issuable upon exercise of the Intracoastal Warrant because the Intracoastal Warrant contains a blocker provision under which the holder thereof does not have the right to exercise the Intracoastal Warrant to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 9.99% of the Ordinary Shares Without such blocker provision, each of the Reporting Persons may have been deemed to have beneficial ownership of 400,000,000 Ordinary Shares.
(b)
Percent of class:
9.99 %
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
0
(ii) Shared power to vote or to direct the vote:
206,941,858
(iii) Sole power to dispose or to direct the disposition of:
0
(iv) Shared power to dispose or to direct the disposition of:
206,941,858
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
