SC 13G 1 0001.txt SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ------------------------ SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILES PURSUANT TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. )/1 OraPharma, Inc. ----------------------------------------------------------------- (Name of Issuer) Common Stock ----------------------------------------------------------------- (Title of Class of Securities) 68554E 10 6 ----------------------------------------------------------------- (CUSIP Number) March 9, 2000 ----------------------------------------------------------------- Date of Event Which Requires Filing of this Statement Check the appropriate box to designate the rule pursuant to which this Schedule is Filed: [ ] Rule 13d-1(b) [ ] Rule 13d-1(c) [X] Rule 13d-1(d) -------- 1/ 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 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act. CUSIP No. 68554E 10 6 Page 2 of 11 Pages -------------------------------------------------------------------------------- 1) Name of Reporting Person Domain Partners I.R.S. Identification IV, L.P. No. of Above Person (Entities Only) -------------------------------------------------------------------------------- 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] -------------------------------------------------------------------------------- 3) SEC Use Only -------------------------------------------------------------------------------- 4) Citizenship or Place Delaware of Organization -------------------------------------------------------------------------------- Number of 5) Sole Voting 1,033,510 shares Shares Beneficially Power of Common Stock Owned by Each (including shares Reporting Person issuable upon With exercise of warrants) -------------------------------------------------- 6) Shared Voting Power -0- -------------------------------------------------- 7) Sole Disposi- 1,033,510 shares tive Power of Common Stock (including shares issuable upon exercise of warrants) -------------------------------------------------- 8) Shared Dis- positive Power -0- -------------------------------------------------- 9) Aggregate Amount Beneficially 1,033,510 shares Owned by Each Reporting person of Common Stock (including shares issuable upon exercise of warrants) -------------------------------------------------------------------------------- 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares CUSIP No. 68554E 10 6 Page 3 of 11 Pages -------------------------------------------------------------------------------- 11) Percent of Class Represented by 7.7% Amount in Row (9) -------------------------------------------------------------------------------- 12) Type of Reporting Person PN CUSIP No. 68554E 10 6 Page 4 of 11 Pages -------------------------------------------------------------------------------- 1) Name of Reporting Person DP IV Associates, I.R.S. Identification L.P. No. of Above Person (Entities Only) -------------------------------------------------------------------------------- 2) Check the Appropriate Box (a) [ X ] if a Member of a Group (b) [ ] -------------------------------------------------------------------------------- 3) SEC Use Only -------------------------------------------------------------------------------- 4) Citizenship or Place Delaware of Organization -------------------------------------------------------------------------------- Number of 5) Sole Voting 24,766 shares Shares Beneficially Power of Common Stock Owned by Each (including shares Reporting Person issuable upon With exercise of warrants) -------------------------------------------------- 6) Shared Voting Power -0- -------------------------------------------------- 7) Sole Disposi- 24,766 shares tive Power of Common Stock (including shares issuable upon exercise of warrants) -------------------------------------------------- 8) Shared Dis- positive Power -0- -------------------------------------------------- 9) Aggregate Amount Beneficially 24,766 shares Owned by Each Reporting person of Common Stock (including shares issuable upon exercise of warrants) -------------------------------------------------------------------------------- 10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares CUSIP No. 68554E 10 6 Page 5 of 11 Pages -------------------------------------------------------------------------------- 11) Percent of Class Represented by 0.2% Amount in Row (9) -------------------------------------------------------------------------------- 12) Type of Reporting Person PN CUSIP No. 68554E 10 6 Page 6 of 11 Pages Schedule 13G ------------ Item 1(a) - Name of Issuer: OraPharma, Inc. Item 1(b) - Address of Issuer's Principal Executive Offices: 732 Lewis Drive, Suite 2000 Warminster, PA 18974 Item 2(a) - Name of Person Filing: This statement is being filed by Domain Partners IV, L.P., a Delaware limited partnership ("Domain IV") and DP IV Associates, L.P., a Delaware limited partnership ("DP IV A") (together, the "Reporting Persons"). Item 2(b) - Address of Principal Business Office: One Palmer Square Princeton, NJ 08542 Item 2(c) - Place of Organization: Domain IV: Delaware DP IV A: Delaware Item 2(d) - Title of Class of Securities: Common Stock Item 2(e) - CUSIP Number: 68554E 10 6 Item 3 - Statements Filed Pursuant to Rules 13d-1(b) or 13d-2(b): Not applicable. CUSIP No. 68554E 10 6 Page 7 of 11 Pages Item 4 - Ownership. (a) Amount Beneficially Owned: Domain IV: 1,033,510 shares of Common Stock (including shares issuable upon exercise of warrants) DP IV A: 24,766 shares of Common Stock (including shares issuable upon exercise of warrants) (b) Percent of Class: Domain IV: 7.7% DP IV A: 0.2% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: Domain IV: 1,033,510 shares of Common Stock (including shares issuable upon exercise of warrants) DP IV A: 24,766 shares of Common Stock (including shares issuable upon exercise of warrants) (ii) shared power to vote or to direct the vote: -0- (iii) sole power to dispose or to direct the disposition of: Domain IV: 1,033,510 shares of Common Stock (including shares issuable upon exercise of warrants) DP IV A: 24,766 shares of Common Stock (including shares issuable upon exercise of warrants) (iv) shared power to dispose or to direct the disposition of: -0- Item 5 - Ownership of Five Percent or Less of a Class: Not applicable. Item 6 - Ownership of More than Five Percent on Behalf of CUSIP No. 68554E 10 6 Page 8 of 11 Pages Another Person: Not applicable. Item 7 - Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Company: Not applicable. Item 8 - Identification and Classification of Members of the Group: See Exhibit 2. Item 9 - Notice of Dissolution of Group: Not applicable. Item 10 - Certification: Not applicable. CUSIP No. 68554E 10 6 Page 9 of 11 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. DOMAIN PARTNERS IV, L.P. By: One Palmer Square Associates IV, L.L.C., General Partner By /s/ Kathleen K. Schoemaker -------------------------------- Managing Member DP IV ASSOCIATES, L.P. By: One Palmer Square Associates IV, L.L.C., General Partner By /s/ Kathleen K. Schoemaker -------------------------------- Managing Member Date: February 9, 2001 CUSIP No. 68554E 10 6 Page 10 of 11 Pages EXHIBIT 1 AGREEMENT OF DOMAIN PARTNERS IV, L.P. AND DP IV ASSOCIATES, L.P. PURSUANT TO RULE 13d-1(f) ------------------------- The undersigned hereby agree that the Information Statement on Schedule 13G to which this Agreement is annexed as Exhibit 1 is filed on behalf of each of them in accordance with the provisions of 13d-1(f) under the Securities Exchange Act of 1934, as amended. DOMAIN PARTNERS IV, L.P. By: One Palmer Square Associates IV, L.L.C., General Partner By /s/ Kathleen K. Schoemaker -------------------------------- Managing Member DP IV ASSOCIATES, L.P. By: One Palmer Square Associates IV, L.L.C., General Partner By /s/ Kathleen K. Schoemaker -------------------------------- Managing Member Date: February 9, 2001 CUSIP No. 68554E 10 6 Page 11 of 11 Pages EXHIBIT 2 Identification and Classification of Members of the Group --------------------------------- Domain Partners IV, L.P. and DP IV Associates, L.P. are filing this statement on Schedule 13G as a group. Domain Partners IV, L.P. is a Delaware limited partnership. Its sole general partner is One Palmer Square Associates IV, L.L.C., a Delaware limited liability company. DP IV Associates, L.P. is a Delaware limited partnership. Its sole general partner is One Palmer Square Associates IV, L.L.C., a Delaware limited liability company.