1 SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 -------------------- FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(B) OR 12(G) OF THE SECURITIES EXCHANGE ACT OF 1934 ATLANTIC DATA SERVICES, INC. - -------------------------------------------------------------------------------- (Exact Name of Registrant as Specified in Its Charter) Massachusetts 04-2696393 - -------------------------------------------------------------------------------- (State of Incorporation (I.R.S. Employer or Organization) Identification no.) One Batterymarch Park, Quincy, Massachusetts 02169 - -------------------------------------------------------------------------------- (Address of Principal Executive Offices) (Zip Code) If this form relates to the If this form relates to the registration of a class of securities registration of a class of securities pursuant to Section 12(b) of the pursuant to Section 12(g) of the Exchange Act and is effective Exchange Act and is effective pursuant to General Instruction pursuant to General Instruction A.(c), please check the following A.(d), please check the following box. [ ] box. [X] Securities Act registration statement file number to which this form relates: 333-48703 ----------------- (If applicable) Securities to be registered pursuant to Section 12(b) of the Act: Title of Each Class Name of Each Exchange on Which TO BE SO REGISTERED EACH CLASS IS TO BE REGISTERED ------------------- ------------------------------ None N/A Securities to be registered pursuant to Section 12(g) of the Act: COMMON STOCK, PAR VALUE $.01 PER SHARE - -------------------------------------------------------------------------------- (Title of Class) Page 1 of 3 pages. The exhibit index is located on page 2. 2 ITEM 1. DESCRIPTION OF REGISTRANT'S SECURITIES TO BE REGISTERED A description of the Registrant's Common Stock, par value $.01 per share, to be registered hereby is contained in the Registrant's Form S-1 Registration Statement, filed with the Securities and Exchange Commission on March 26, 1998 (Registration No. 333-48703), as amended, pursuant to the Securities Act of 1933, as amended (the "S-1 Registration Statement") and such information is incorporated herein by reference. ITEM 2. EXHIBITS EXHIBIT NO. EXHIBIT ----------- ------- 1. Amended and Restated Articles of Organization of the Registrant. (Incorporated by reference to Exhibit 3.01 to the S-1 Registration Statement.) 2. Form of Second Amended and Restated Articles of Organization of the Registrant (to be filed on the closing of the offering). (Incorporated by reference to Exhibit 3.02 to the S-1 Registration Statement.) 3. Amended and Restated By-laws of the Registrant. (Incorporated by reference to Exhibit 3.03 to the S-1 Registration Statement.) 4. Form of Second Amended and Restated By-laws of the Registrant (to be filed on the closing of the Offering). (Incorporated by reference to Exhibit 3.04 to the S-1 Registration Statement.) 5. Specimen Certificate representing the Common Stock. (Incorporated by reference to Exhibit 4.01 to the S-1 Registration Statement.) 6. Shareholders' Agreement among the Company and Certain Shareholders dated July 15, 1988, as amended November 24, 1997 (Incorporated by reference to Exhibit 10.02 to the S-1 Registration Statement.) 7. Form of Incentive Stock Option Agreement for Shares Issued Under the Amended and Restated 1992 Incentive Stock Option Plan (Incorporated by reference to Exhibit 10.04 to the S-1 Registration Statement.) 8. Form of Amended and Restated Stockholders Agreement for Shares Issued Under the Amended and Restated 1992 Incentive Stock Option Plan (Incorporated by reference to Exhibit 10.05 to the S-1 Registration Statement.) 9. Form of Incentive Stock Option Agreement Under the Amended and Restated 1997 Stock Plan (Incorporated by reference to Exhibit 10.08 to the S-1 Registration Statement.) 10. Form of Non-Qualified Stock Option Agreement Under the Amended and Restated 1997 Stock Plan (Incorporated by reference to Exhibit 10.09 to the S-1 Registration Statement.) 11. Form of Stock Purchase and Restriction Agreement under the Amended and Restated 1997 Stock Plan (Incorporated by reference to Exhibit 10.10 to the S-1 Registration Statement.) 12. Registration Rights Agreement dated March 25, 1998 by and among the Company and Certain Stockholders (Incorporated by reference to Exhibit 10.17 to the S-1 Registration Statement.) Page 2 of 3 pages. 3 SIGNATURE Pursuant to the requirements of Section 12 of the Securities Exchange Act of 1934, the Registrant has duly caused this registration statement to be signed on its behalf by the undersigned, thereto duly authorized. ATLANTIC DATA SERVICES, INC. By: /s/ William H. Gallagher ------------------------------------ William H. Gallagher President and Chief Operating Officer Date: May 4, 1998 Page 3 of 3 pages.