X0609 4 2026-09-01 0001841761 Grove Collaborative Holdings, Inc. GROV 0001832413 Karp Jason H. false C/O GROVE COLLABORATIVE HOLDINGS INC. 1301 SANSOME STREET SAN FRANCISCO CA 94111 1 0 Class A Common Stock 2026-09-01 4 P 0 55000 1.0278 A 575000 D Class A Common Stock 2026-09-02 4 P 0 15200 1.0761 A 590200 D Class A Common Stock 1111110 I by LLC The transaction was executed in multiple trades in prices ranging from $.99 to $1.0873, inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares purchased at each respective price within the range set forth in this footnote of this Form 4. The transaction was executed in multiple trades in prices ranging from $1.04 to $1.0799, inclusive. The price reported in Column 4 above reflects the weighted average sales price. The Reporting person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares purchased at each respective price within the range set forth in this footnote of this Form 4. These securities are directly held by HCI Grove, LLC. of which the Reporting Person is the sole Manager. /s/ Barbara Wallace, Attorney-in-Fact for Jason H. Karp 2026-09-02