Filed Pursuant to Rule 424(b)(3)
Registration No. 333-266829
PROSPECTUS SUPPLEMENT NO. 1
(to Reoffer Prospectus
dated August 12, 2022)
Up to 68,300,928 Shares of Class A Common Stock
This prospectus supplement is being filed to update and supplement the information contained in the reoffer prospectus filed as part of the
Registration Statement on Form S-8, filed by Symbotic Inc., a Delaware corporation (the “Company,” “Symbotic,” “we,” “our” or “us”), with the U.S.
Securities and Exchange Commission (the “SEC”) on August 12, 2022.
The reoffer prospectus as updated and supplemented
hereby relates to the resale of up to 68,300,928 shares of our Class A common stock, par value $0.0001 per share (“Class A Common Stock”), which may be reoffered and resold from time to time by certain Selling Securityholder as
described under the caption “Selling Securityholders” in the reoffer prospectus as updated and supplemented hereby. The Selling Securityholders consist of certain of our current or former employees, directors, officers and consultants who
acquired, or will acquire, shares of Class A Common Stock upon the grant, vesting and/or exercise of certain awards issued pursuant to the Symbotic Inc. 2022 Omnibus Incentive Compensation Plan (the “Omnibus Plan”).
This prospectus supplement updates and supplements the information in the reoffer prospectus and is not complete without, and may not be
delivered or utilized except in combination with, the reoffer prospectus, including any amendments, updates or supplements thereto. This prospectus supplement should be read in conjunction with the reoffer prospectus, and if there is any
inconsistency between the information in the reoffer prospectus and this prospectus supplement, you should rely on the information in this prospectus supplement and any future amendments, updates or supplements to the reoffer prospectus, as
necessary.
Upon vesting of the awards pursuant to the terms of the award agreements, the Selling Securityholders may from time to time
sell, transfer or otherwise dispose of any or all of the shares of Class A Common Stock covered by the reoffer prospectus as updated and supplemented hereby through underwriters or dealers, directly to purchasers (or a single purchaser) or
through broker-dealers or agents. Class A Common Stock may be sold in one or more transactions at fixed prices, prevailing market prices at the time of sale, prices related to the prevailing market prices, varying prices determined at the time
of sale or negotiated prices. We do not know when or in what amount the Selling Securityholders may offer the shares for sale. The Selling Securityholders may sell any, all or none of the shares offered by the reoffer prospectus as updated and
supplemented hereby. See “Plan of Distribution” in the reoffer prospectus for more information about how the Selling Securityholders may sell or dispose of the shares of Class A Common Stock covered by the reoffer prospectus as
updated and supplemented hereby. The Selling Securityholders will bear all sales commissions and similar expenses. We will bear all expenses of registration incurred in connection with this offering, including any other expenses incurred by us in
connection with the registration and offering that are not borne by the Selling Securityholders.
The shares of Class A Common Stock
that will be issued pursuant to awards granted to the Selling Securityholders will be “control securities” under the Securities Act of 1933, as amended (the “Securities Act”), before their sale under the reoffer prospectus
as updated and supplemented hereby. The reoffer prospectus as updated and supplemented hereby has been prepared for the purposes of registering the shares under the Securities Act to allow for future sales by Selling Securityholders on a continuous
or delayed basis to the public without restriction, provided that the amount of shares of Class A Common Stock to be offered or resold under the reoffer