UNITED STATES Securities and Exchange Commission Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): Form 10-K and 10-KSB Form 11-K Form 20-F X Form 10-Q Form N-SAR For Period Ending: September 30, 2005 If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates: PART I - REGISTRANT INFORMATION ADM Tronics Unlimited, Inc. Full Name of Registrant Former Name if Applicable: 224-S Pegasus Avenue Address of Principal Executive Officer (Street and Number) Northvale, New Jersey 07647 City, State and Zip Code PART II - Rules 12b-25(b) and (c) If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed (Check box if appropriate). x (a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense. x (b) The subject annual report or semi-annual report/portion thereof will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report/portion thereof will be filed on or before the fifth calendar day following the prescribed due date; and (c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable. PART III - NARRATIVE State below in reasonable detail the reasons why the Form 10-K, 11-K, 20-F, 10-Q, or N-SAR or portion thereof, could not be filed within the prescribed time period. The report cannot be so filed due to additional accounting work that was required for the Registration Statement on Form SB-2 for the Registrant's subsidiary, Ivivi Technologies, Inc., which delayed the completion of the consolidated financial statements of the Registrant. 1 PART IV - OTHER INFORMATION (1) Name and telephone number of person to contact in regard to this notification. Andre' Di Mino 201 767-6040 (Name) (Area Code) (Telephone Number) (2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) been filed? If answer is no identify report(s). x Yes No (3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof? x Yes No If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made. It is anticipated that the Registrant had a loss of approximately $2.4 million as compared to $429,282 for the six months ended September 30, 2005 and 2004, respectively. The increased loss is due to increased costs and expenses related to the expansion of operations of the Registrant's medical device subsidiary, Ivivi Technologies, Inc. ADM Tronics Unlimited, Inc. (Name of Registrant as Specified in Charter) has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized. Date: November 14, 2005 By: /s/ Andre' DiMino Andre' Di Mino President and Chief Financial Officer 2