Summit Partners L P

Summit Partners L P is listed in filings as 10% Owner at LifeStance Health Group, Inc.. This profile follows SEC Form 4 activity through Sep 10, 2025, including sale activity. Recent filings connect the profile to LifeStance Health Group, Inc. (LFST) and Klaviyo, Inc. (KVYO). The current snapshot covers public activity from Jun 5, 2025 to Sep 10, 2025. Reported amounts are shown as $42.6M to $7.0K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.