Company: GROVW
Filing Date: 2025-07-08
Form Type: 424B3
Source: 0001628280-25-034525
Chunk: 0

Company: Grove Collaborative Holdings, Inc.
Filing Date: 2025-07-08
Form: 424B3
Chunk 0
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#### Filed Pursuant to Rule 424(b)(3)

#### Registration No. 333-266205
PROSPECTUS SUPPLEMENT NO. 1

(TO PROSPECTUS DATED AUGUST 4, 2023)

#### Up to 6,511,532 Shares of Class A Common Stock
This prospectus supplement supplements the prospectus, dated August 4, 2023, relating to the resale from time to time of up to 6,511,532 shares of Class A common stock, par value $0.0001 per share (the “Class A Common Stock”), of Grove Collaborative Holdings, Inc., a Delaware public benefit corporation (“Grove Collaborative” or the “Company”), by YA II PN, LTD., a Cayman Islands exempt limited partnership (the “Selling Holder”) pursuant to a standby equity purchase agreement we entered into with the Selling Holder on July 18, 2022, as amended o n July 8, 2025. This prospectus supplement should be read in conjunction with the prospectus, and is qualified by reference to the prospectus, ex cept to the extent that the information presented herein supersedes the information contained in the prospectus This prospectus supplement is not complete without, and may not be delivered or utilized except in connection with, the prospectus, including any amendments or supplements thereto.

Investing in our Class A Common Stock involves a high degree of risk. See the section entitled “

#### Risk Factors

#### ” beginning on page

#### 6
of the prospectus and any risk factors described in any amendments or supplements to the prospectus and in the documents incorporated by reference therein to read about factors you should consider before buying our securities.

Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

This prospectus s upplement is being filed in connection with the amendment of the Purchase Agreement entered into on July 8, 2025. No additional shares of Class A Common Stock are being offered for resale hereunder. The description under the Section titled “Committed Equity Financing” of the prospectus is amended and restated to read as follows:

On July 18, 2022, we entered into the Purchase Agreement with the Selling Holder, which was subsequently amended on July 8, 2025 (the “Amended Purchase Agreement”). Pursuant to the Am