<PAGE>
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 11)*
MISONIX, INC.
(Name of Issuer)
Common Stock, par value $.01 per share
(Title of Class of Securities)
604871103
(CUSIP Number)
Mr. Gary Gelman
c/o American Para Professional Systems, Inc.
One Jericho Plaza
Jericho, New York 11753
(516) 822-6230
(Name, Address and Telephone Number of Person Authorized to Received Notices
and Communications)
March 20, 2000
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement on Schedule 13G
to report the acquisition that is the subject of this Schedule 13D, and is
filing this schedule because of ss.ss.240.13d-1(e), 240.13d-1(f) or
240.13d-1(g), check the following box /__/.
NOTE: Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits. See ss.240.13d-7(b) for other
parties to whom copies are to be sent.
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
<PAGE>
SCHEDULE 13D
CUSIP No. 604871103
1) NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Gary Gelman
2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
INSTRUCTIONS) (a)__
(b)__
3) SEC USE ONLY
4) SOURCE OF FUNDS
5) CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT
TO ITEMS 2(d) or 2(e)
6) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.
NUMBER OF 7) SOLE VOTING POWER
SHARES 690,750
BENEFICIALLY 8) SHARED VOTING POWER
OWNED BY None
EACH 9) SOLE DISPOSITIVE POWER
REPORTING 690,750
PERSON WITH 10) SHARED DISPOSITIVE POWER
None
11) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
690,750
12) CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS)
13) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
10.5%
14) TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IN
<PAGE>
The undersigned hereby amends the Schedule 13D dated December 1, 1994
and Amendments No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 7, No. 8, No. 9,
No. 10 and No. 11 thereto dated December 8, 1994, December 22, 1994, April 6,
1995, June 26, 1995, March 27, 1996, February 18, 1997, August 27, 1997,
September 12, 1997, February 19, 1998 and September 23, 1998 (collectively the
"Schedule 13D"). Except as expressly set forth herein, there has been no
material change in the facts set forth in the Schedule 13D.
This Schedule relates to the common stock, par value $.01 per share
("Common Stock"), of MISONIX, INC., a New York corporation (the "Company").
Item 5. Interest in Securities of the Issuer.
Item 5(a) of the Schedule is hereby amended by deleting the existing
text and inserting the following text in its stead:
Mr. Gelman beneficially owns (as defined by Rule 13d-3 under
the Securities Exchange Act of 1934, as amended) 690,750
shares, or 10.5% of the shares of Common Stock outstanding as
of March 20, 2000. 688,500 of such shares are issuable
pursuant to presently exercisable options under the Company's
Outside Directors Stock Option Plan.
Item 5(b) of the Schedule is hereby amended by deleting the existing
text and inserting the following text in its stead:
Mr. Gelman has sole voting and dispositive power over
690,750 shares of Common Stock.
Item 5(c) of the Schedule is hereby amended by deleting the existing
text and inserting the following text in its stead:
"The following chart sets forth information concerning
disposition of shares of Common Stock by Mr. Gelman during the
past sixty (60) days:
Number of
Date of Disposition Shares Disposed
------------------- ---------------
3/20/00 60,000
<PAGE>
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.
/s/ GaryGelman
-------------------------
Gary Gelman
Date: March 20, 2000
