-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, CBfhd/rMMGm8IpW1tJ0HfKVUVyq+Kj+AoNO0vCfET7aSyqmqwP30f8BCFV5MQEvK QFJQdtiyNLdlTczVIMZdhw== 0000950129-98-001502.txt : 19980408 0000950129-98-001502.hdr.sgml : 19980408 ACCESSION NUMBER: 0000950129-98-001502 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19980407 SROS: NONE SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ATMI INC CENTRAL INDEX KEY: 0001041577 STANDARD INDUSTRIAL CLASSIFICATION: GENERAL INDUSTRIAL MACHINERY & EQUIPMENT, NEC [3569] IRS NUMBER: 061481060 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-51731 FILM NUMBER: 98588952 BUSINESS ADDRESS: STREET 1: 7 COMMERCE DRIVE CITY: DANBURY STATE: CT ZIP: 06810-4169 BUSINESS PHONE: 2037941100 MAIL ADDRESS: STREET 1: 7 COMMERCE DRVIE CITY: DANBURY STATE: CT ZIP: 06810-4169 FORMER COMPANY: FORMER CONFORMED NAME: ATMI HOLDINGS INC DATE OF NAME CHANGE: 19970625 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: SIEGELE STEPHEN H CENTRAL INDEX KEY: 0001048446 STANDARD INDUSTRIAL CLASSIFICATION: [] FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 6805 CAPITAL OF TEXAS HIGHWAY STREET 2: SUITE 330 CITY: AUSTIN STATE: TX ZIP: 78731 BUSINESS PHONE: 5124188200 MAIL ADDRESS: STREET 1: 6805 CAPITAL OF TEXAS HIGHWAY STREET 2: SUITE 330 CITY: AUSTIN STATE: TX ZIP: 78731 SC 13G 1 STEPHEN H. SIEGELE FOR ATMI, INC. 1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 -------------------- Schedule 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b),(c) and (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) ATMI, Inc. - ------------------------------------------------------------------------------- (Name of Issuer) Common Stock, par value $0.01 per share - ------------------------------------------------------------------------------- (Title of Class of Securities) 00 207R 10 1 - ------------------------------------------------------------------------------- (CUSIP Number) MARCH 31, 1998 AND APRIL 2, 1998 - ------------------------------------------------------------------------------- (DATES OF EVENTS WHICH REQUIRE FILING OF THIS STATEMENT) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) [ X ] Rule 13d-1(c) [ ] Rule 13d-1(d) 2 CUSIP No. 00 207R 10 1 13G Page 2 of 6 Pages - ------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) STEPHEN H. SIEGELE - ------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] - ------------------------------------------------------------------------------- 3 SEC USE ONLY - ------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA - ------------------------------------------------------------------------------- 5 SOLE VOTING POWER NUMBER 2,541,305 OF ---------------------------------------------- SHARES 6 SHARED VOTING POWER BENEFICIALLY 0 OWNED BY ---------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON 2,541,305 WITH ---------------------------------------------- 8 SHARED DISPOSITIVE POWER 0 - ------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 2,541,305 - ------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] - ------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 12.4% - ------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON* IN - ------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! 3 Page 3 of 6 Pages ITEM 1(A) NAME OF ISSUER: ATMI, Inc. ITEM 1(B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 7 Commerce Drive Danbury, Connecticut 06810-4169 ITEM 2(A) NAME OF PERSON FILING: Stephen H. Siegele ITEM 2(B) ADDRESS OF PRINCIPAL BUSINESS OFFICE: 6805 Capital of Texas Highway Suite 330 Austin, Texas 78731 ITEM 2(C) CITIZENSHIP: U.S.A. ITEM 2(D) TITLE OF CLASS OF SECURITIES: Common Stock, par value $0.01 per share ITEM 2(E) CUSIP NUMBER: 00 207R 10 1 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B) OR 13D-2(B) OR (C), CHECK WHETHER THE PERSON FILING IS A: (a) [ ] Broker or dealer registered under Section 15 of the Exchange Act. (b) [ ] Bank as defined in Section 3(a)(6) of the Exchange Act. 4 Page 4 of 6 Pages (c) [ ] Insurance company as defined in Section 3(a)(19) of the Exchange Act. (d) [ ] Investment company registered under Section 8 of the Investment Company Act. (e) [ ] An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); (f) [ ] An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); (g) [ ] A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); (h) [ ] A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; (i) [ ] A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; (j) [ ] Group, in accordance with Rule 13d-1(b)(1) (ii)(J). If this statement is filed pursuant to Rule 13d-1(c), check this box [X]. ITEM 4. OWNERSHIP. (a) Amount Beneficially Owned: 2,541,305 (b) Percent of Class: 12.4% (based on 20,437,992 shares outstanding) (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 2,541,305 (ii) Shared power to vote or to direct the vote: 0 (iii) Sole power to dispose or to direct the disposition of: 2,541,305 (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. 5 Page 5 of 6 Pages 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. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. 6 Page 6 of 6 Pages SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in this statement is true, complete and correct. April 2, 1998 /s/ STEPHEN H. SIEGELE - ---------------------- Stephen H. Siegele -----END PRIVACY-ENHANCED MESSAGE-----