TIML, the pattern is 4 calendar days, not 4 business days. February 15th was a Friday.
Besides...
PART II - RULES 12B-25 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, the following should be completed.
(a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;
(b) The subject annual report, semi-annual report, transition report of Form 10-Q, Form 20-F, 11-K or Form N-SAR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report of transition report on Form 10-Q, or portion thereof will be filed on or before the fifth calendar day following the prescribed due date; and
(c) The accountants statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.