1 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-C REPORT BY ISSUER OF SECURITIES QUOTED ON NASDAQ INTERDEALER QUOTATION SYSTEM FILED PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULE 13a-17 OR 15d-17 THEREUNDER ADAC LABORATORIES (Exact name of issuer as specified in charter) 540 ALDER DRIVE MILPITAS, CALIFORNIA 95035 (Address of principal executive offices) Issuer's telephone number, including area code (408) 321-9100 I. CHANGE IN NUMBER OF SHARES OUTSTANDING Indicate any change (INCREASE or decrease) of 5% or more in the number of shares outstanding: 1. TITLE OF SECURITY: Common Stock. 2. NUMBER OF SHARES OUTSTANDING BEFORE THE CHANGE: 44,893,419 (being the number reported on issuer's prior Form 10-C, dated September 3, 1992 and before a 1-for-3 reverse stock split). 3. NUMBER OF SHARES OUTSTANDING AFTER THE CHANGE: Common Stock -- 17,321,045 (as of March 7, 1996). 4. EFFECTIVE DATE OF CHANGE: From the date of the Issuer's prior Form 10-C, various option holders have exercised and purchased shares of Common Stock. The 1-for-3 reverse stock split was effective as of March 15, 1993. 5. METHOD OF CHANGE: SPECIFY METHOD (SUCH AS MERGER, ACQUISITION, EXCHANGE, DISTRIBUTION, STOCK SPLIT, REVERSE SPLIT, ACQUISITION OF STOCK FOR TREASURY, ETC.) Shares reduced due to 1-for-3 reverse stock split. Shares increased due to exercises of stock options, purchases of stock under employee stock purchase plan and issuance of shares in acquisitions. GIVE BRIEF DESCRIPTION OF TRANSACTION: Shares reduced due to 1-for-3 reverse stock split. Shares increased due to exercises of options, purchases of stock under employee stock purchase plans and issuance of 273,286 and 138,302 shares in two acquisition transactions. 2 II. CHANGE IN NAME OF ISSUER 1. NAME PRIOR TO CHANGE: N/A 2. NAME AFTER CHANGE: ___________________________________________________ 3. EFFECTIVE DATE OF CHARTER AMENDMENT CHANGING NAME: 4. DATE OF SHAREHOLDER APPROVAL OF CHANGE, IF REQUIRED: ISSUER: ADAC LABORATORIES Date: March 11, 1996 By /s/Robert A. Starr -------------------------------- Robert A. Starr, Vice President and Assistant Secretary