-----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, Jr5TDpudumAya1MNzLO8hWbBz1Sytl8Zbhz9vdnYKmcBnYrU8q5G1n0uYiakNzvt DMCfL35tFNu8QTrCYq7leQ== 0000922423-99-000284.txt : 19990217 0000922423-99-000284.hdr.sgml : 19990217 ACCESSION NUMBER: 0000922423-99-000284 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19990216 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: ATLANTIC COAST AIRLINES HOLDINGS INC CENTRAL INDEX KEY: 0000904020 STANDARD INDUSTRIAL CLASSIFICATION: AIR TRANSPORTATION, SCHEDULED [4512] IRS NUMBER: 133621051 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G SEC ACT: SEC FILE NUMBER: 005-51399 FILM NUMBER: 99542178 BUSINESS ADDRESS: STREET 1: 515 A SHAW ROAD CITY: DULLES STATE: VA ZIP: 20166 BUSINESS PHONE: 7039256000 MAIL ADDRESS: STREET 1: ONE EXPORT DRIVE STREET 2: ONE EXPORT DRIVE CITY: STERLING STATE: VA ZIP: 20164 FORMER COMPANY: FORMER CONFORMED NAME: ATLANTIC COAST AIRLINES INC DATE OF NAME CHANGE: 19930507 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: GILDER GAGNON HOWE & CO LLC CENTRAL INDEX KEY: 0000902464 STANDARD INDUSTRIAL CLASSIFICATION: [] IRS NUMBER: 133174112 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 1775 BROADWAY STREET 2: 26TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 BUSINESS PHONE: 2127652500 MAIL ADDRESS: STREET 1: 1775 BROADWAY STREET 2: 26TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10019 FORMER COMPANY: FORMER CONFORMED NAME: GILDER GAGNON HOWE & CO DATE OF NAME CHANGE: 19930428 SC 13G 1 SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Under the Securities Exchange Act of 1934 SCHEDULE 13G INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934 Atlantic Coast Airlines Holdings, Inc. -------------------------------------- (Name of Issuer) Common Stock ------------ (Title of Class of Securities) 048396105 --------- (CUSIP Number) December 31, 1998 ----------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |X| Rule 13d-1(b) |_| Rule 13d-1(c) |_| Rule 13d-1(d) Page 1 of 6 Pages SCHEDULE 13G CUSIP No.048396105 Page 2 of 6 Pages - ------------------------------------------------------------------------------- 1) NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Gilder Gagnon Howe & Co. LLC 13-3174112 - -------------------------------------------------------------------------------- 2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) |_| (b) |_| - -------------------------------------------------------------------------------- 3) SEC USE ONLY - -------------------------------------------------------------------------------- 4) CITIZENSHIP OR PLACE OF ORGANIZATION New York - -------------------------------------------------------------------------------- 5) SOLE VOTING POWER None NUMBER ------------------------------------------------- OF 6) SHARED VOTING POWER SHARES None BENEFICIALLY ------------------------------------------------- OWNED BY 7) SOLE DISPOSITIVE POWER EACH None REPORTING ------------------------------------------------- PERSON 8) SHARED DISPOSITIVE POWER WITH 1,103,475 - -------------------------------------------------------------------------------- 9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,103,475 - -------------------------------------------------------------------------------- 10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES |_| - -------------------------------------------------------------------------------- 11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.7% - -------------------------------------------------------------------------------- 12) TYPE OF REPORTING PERSON BD - -------------------------------------------------------------------------------- Schedule 13G Item 1(a). Name of Issuer: Atlantic Coast Airlines Holdings, Inc. Item 1(b). Address of Issuer's Principal Executive Offices: 515-A Shaw Road Dulles, VA 20166 Item 2(a). Name of Person Filing: Gilder Gagnon Howe & Co. LLC Item 2(b). Address of Principal Business Office or, if None, Residence: 1775 Broadway, 26th Floor New York, NY 10019 Item 2(c). Citizenship: New York Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 048396105 Item 3. If this statement is filed pursuant to ss.ss.240.13d-1(b), or 240.13d-2(b) or (c), check whether the person filing is a: (a) |X| Broker or Dealer Registered Under Section 15 of the Act (15 U.S.C. 78o) (b) |_| Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c) (c) |_| Insurance Company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c) (d) |_| Investment Company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8) (e) |_| Investment Adviser in accordance with ss.240.13d-1(b)(1)(ii)(E) Page 3 of 6 Pages (f) |_| Employee benefit plan or endowment fund in accordance with ss.240.13d-1(b)(1)(ii)(F) (g) |_| Parent Holding Company or control person in accordance with ss.240.13d-1(b)(ii)(G) (h) |_| Savings Association as defined in ss.3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813) (i) |_| Church plan that is excluded from the definition of an investment company under ss.3(c)(15) of the Investment Company Act of 1940 (15 U.S.C. 80a-3) (j) |_| Group, in accordance with ss.240.13d-1(b)(ii)(J) Item 4. Ownership. (a) Amount beneficially owned: 1,103,475 (b) Percent of class: 5.7% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: None (ii) Shared power to vote or to direct the vote: None (iii) Sole power to dispose or to direct the disposition of: None (iv) Shared power to dispose or to direct the disposition of: 1,103,475 The shares reported are held in customer accounts over which members and/or employees of the Reporting Person have discretionary authority to dispose of or direct the disposition of the shares. 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. The owners of the accounts in which the shares reported on this Schedule are held have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities. Page 4 of 6 Pages 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 acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purposes or effect. Page 5 of 6 Pages SIGNATURE After reasonable inquiry and to the best knowledge and belief of the undersigned, the undersigned certifies that the information set forth in this Statement is true, complete and correct. February 16, 1999 ---------------------- Date /s/ Walter Weadock --------------------- Signature Walter Weadock, Member ---------------------- Name/Title Page 6 of 6 Pages -----END PRIVACY-ENHANCED MESSAGE-----