X0306 4 2020-10-01 0 0001819608 Avanti Acquisition Corp. AVAN 0001258394 MIGNONE ROBERTO PO BOX 1093, BOUNDARY HALL, CRICKET SQUARE, GRAND CAYMAN GEORGETOWN E9 KY1-1102 CAYMAN ISLANDS 1 0 0 0 Units, consisting of Class A ordinary share and one-half of 2020-10-01 4 P 0 1000000 10.00 A 1000000 I See Footnote The units disclosed in Table I were purchased in the Issuer's initial public offering. Such units of this Form 4 are held of record by Swiftcurrent Partners, L.P. and Swiftcurrent Offshore Master, Ltd. (the "Funds"). Bridger Management, LLC is the investment adviser to the Funds and Mr. Mignone is the manager of Bridger Management, LLC. By reason of the provisions of Rule 16a-1(a)(1) under the Securities Exchange Act of 1934, as amended, Mr. Mignone may be deemed to beneficially own the units held of record by the Funds. Mr. Mignone disclaims beneficial ownership of the units held of record by the Funds except to the extent of his indirect pecuniary interest therein and this report shall not be deemed an admission that Mr. Mignone is the beneficial owner of the units held of record by the Funds for purposes of Section 16, or for any other purpose. /s/ Roberto Mignone 2020-10-05