Form Type: 4

Accession Number:	0001493152-21-016059
Date:	2021-06-30
Issuer:	MISONIX INC (MSON)
Original Submission Date:

Reporting Person:

KLUGEWICZ SHARON W
C/O MISONIX, INC.
1938 NEW HIGHWAY FARMINGDALE, NY 11735

Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Title of Security	Transaction Date	2a. Deemed Execution Date	Transaction Code	Shares	Acquired or Disposed	Price per share	5. Amount of Securities Beneficially Owned Following Reported Transaction	6. Ownership Form Direct or Indirect	Nature of Indirect Ownership

Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, convertible securities
Title of Derivative Security	Conversion or Exercise Price of Derivative Security	Transaction Date	Deemed Execution Date	Transaction Code	Number of Derivative Securities Acquired (A) or Disposed of (D)	Date Exercisable	Expiration Date	Title and Amount of Securities Underlying Derivative Security	Price of Derivative Security	Number of derivative Securities Beneficially Owned Following Reported Transaction(s)	Ownership Form: Direct (D) or Indirect (I)	Nature of Indirect Beneficial Ownership
STOCK OPTION	22.18	2021-06-30	deemed execution date	A	15,000 (a)		2031-06-29	common stock 15,000	$22.18	15,000	direct

Footnotes
ID	footnote
f1	award of stock options under the misonix 2017 equity incentive plan. stock options vest in 48 equal monthly installments on the anniversary of the grant date, june 30, 2021.

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