<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G/A
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 11 )*
-----
Media 100 Inc.
---------------------------------------------------------------
(Name of Issuer)
Common Stock, $0.01 par value per share
---------------------------------------------------------------
(Title of Class of Securities)
584-40W-105
--------------------------
(CUSIP Number)
Check the following box if a fee is being paid with the statement [_]. (A fee is
not required only if the reporting person: (1) has a previous statement on file
reporting beneficial ownership of more than five percent of the class of
securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such class.)
(See Rule 13d-7.)
*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>
- ------------------------- ---------------------
CUSIP NO. 238-015-10-1 13G PAGE 2 OF 5 PAGES
- ------------------------- ---------------------
- ------------------------------------------------------------------------------
NAME OF REPORTING PERSON
1 S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Alfred A. Molinari, Jr. ###-##-####
- ------------------------------------------------------------------------------
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
2 (a) [_]
(b) [X]
- ------------------------------------------------------------------------------
SEC USE ONLY
3
- ------------------------------------------------------------------------------
CITIZENSHIP OR PLACE OF ORGANIZATION
4
United States of America
- ------------------------------------------------------------------------------
SOLE VOTING POWER
5
NUMBER OF 996,599 shares
SHARES -----------------------------------------------------------
SHARED VOTING POWER
BENEFICIALLY 6
-----
OWNED BY
-----------------------------------------------------------
EACH SOLE DISPOSITIVE POWER
7
REPORTING 996,599 shares
PERSON -----------------------------------------------------------
SHARED DISPOSITIVE POWER
WITH 8
-----
- ------------------------------------------------------------------------------
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
9
996,599 shares
- ------------------------------------------------------------------------------
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
10 CERTAIN SHARES* [X]
- ------------------------------------------------------------------------------
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
11
12.3%
- ------------------------------------------------------------------------------
TYPE OF REPORTING PERSON*
12
IN
- ------------------------------------------------------------------------------
*SEE INSTRUCTIONS BEFORE FILLING OUT!
<PAGE>
.
Page 3 of 5 Pages
AMENDMENT NO. 11 TO
SCHEDULE 13G FOR ALFRED A. MOLINARI, JR.
Item 1(a). Name of Issuer:
--------------
Media 100 Inc.
Item 1(b). Address of Issuer's Principal Executive Offices:
-----------------------------------------------
100 Locke Drive, Marlboro, Massachusetts 01752
Item 2(a). Name of Person Filing
---------------------
Alfred A. Molinari, Jr.
Item 2(b). Address of Principal Business Office or, if none, residence:
-----------------------------------------------------------
100 Locke Drive, Marlboro, Massachusetts 01752
Item 2(c). Citizenship
-----------
United States
Item 2(d). Title of Class of Securities:
----------------------------
Common Stock
Item 2(e). CUSIP Number:
------------
584-40W-105
Item 3. If this statement is filed pursuant to Rule 13d-1(b), or 13d-2(b),
------------------------------------------------------------------
check whether the person filing is a:
-------------------------------------
Not applicable
Item 4. Ownership*
---------
(a). Amount Beneficially Owned: 996,599 shares (1)
-------------------------
________________________
* Notes to Item 4:
1. Does not include 17,614 shares owned by Mr. Molinari's wife as to which
Mr. Molinari disclaims beneficial ownership.
<PAGE>
Page 4 of 5 Pages
(b). Percent of Class: 12.3%
----------------
(c). Number of shares as to which such person has:
--------------------------------------------
(i) sole power to vote or to direct the vote: 996,599 shares (1)
(ii) shared power to vote or to direct the vote:
----
(iii) sole power to dispose or to direct the disposition of:
996,599 shares (1)
(iv) shared power to dispose or to direct the disposition of:
----
Item 5. Ownership of Five Percent or Less of a Class:
--------------------------------------------
Not Applicable
Item 6. Ownership of More than Five 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:
--------------------------------------------------------
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.Certification:
-------------
Not Applicable
<PAGE>
Page 5 of 5 Pages
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.
By:/s/ Alfred A. Molinari, Jr.
---------------------------------------------
Name: Alfred A. Molinari, Jr.
Title: Director
February 13, 1997