FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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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 *

Cavanagh William
2. Issuer Name and Ticker or Trading Symbol

Isoray, Inc. [ ISR ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
Chief R&D Officer
(Last)          (First)          (Middle)

350 HILLS STREET, SUITE 106
3. Date of Earliest Transaction (MM/DD/YYYY)

10/22/2020
(Street)

RICHLAND, WA 99354
(City)        (State)        (Zip)
4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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)
Code V Amount (A) or (D) Price
Common Stock 10/22/2020  P  7692 (1)A$0.52 (1)27692 D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. 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 of Derivative Security: 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
Warrant (right to buy) $0.57 10/22/2020  P   3846 (2)   10/22/2020 (2)10/22/2025 (2)Common Stock 3846 $0 705506 D  

Explanation of Responses:
(1) Purchased pursuant to public offering that closed on October 22, 2020.
(2) Purchased pursuant to public offering that closed on October 22, 2020. Each share of common stock purchased included one-half of a warrant. Each whole warrant is exercisable to purchase one share of common stock at an exercise price of $0.57 per share. Each warrant is immediately exercisable, and will expire October 22, 2025.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Cavanagh William
350 HILLS STREET
SUITE 106
RICHLAND, WA 99354


Chief R&D Officer

Signatures
/s/ William Cavanagh10/27/2020
**Signature of Reporting PersonDate

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