Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Aharon Arnon	2. Date of Event Requiring Statement (MM/DD/YYYY) 3/16/2021	3. Issuer Name and Ticker or Trading Symbol Chemomab Therapeutics Ltd. [CMMB]
(Last)        (First)        (Middle) 12 YAVNE ST.	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          _____ 10% Owner ___X___ Officer (give title below)        _____ Other (specify below) Chief Medical Officer /
(Street) TEL AVIV, L3 6579116       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Option to purchase American Depositary Shares	(1)	12/3/2027	American Depositary Shares (2)	13274	$1.49	D
Option to purchase American Depositary Shares	(3)	12/16/2029	American Depositary Shares (2)	61958	$1.62	D

Explanation of Responses:
(1)	10,779 of these options to purchase American Depositary Share (ADSs) have vested and are exercisable as of the date hereof, and the remaining 2,495 of these options will vest and become exercisable in three remaining installments, with 1/3 of such options vesting on each three month anniversary commencing on of June 4, 2021, subject to the Reporting Person's continued service.
(2)	Each ADS represents twenty (20) ordinary shares, no par value, of the Issuer.
(3)	30,973 of these options to purchase ADSs have vested and are exercisable as of the date hereof, and the remaining 30,985 of these options will vest and become exercisable in eight remaining installments, with 12.5% of such options vesting on each three month anniversary commencing on May 28, 2021, subject to the Reporting Person's continued service.

Remarks: Exhibit 24.1: Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Aharon Arnon 12 YAVNE ST. TEL AVIV, L3 6579116			Chief Medical Officer

Signatures
/s/ Matthew Rudolph, Esq., Attorney-in-Fact for Arnon Aharon		3/25/2021
**Signature of Reporting Person		Date