SUMMIT PARTNERS L P

PrivateCIK: 830588
Location

BOSTON, MA

SUMMIT PARTNERS L P sold 20.1% of their position (8.41M shares) of LIFESTANCE HEALTH GROUP, INC. on the open market

Open‑market sale worth $42.63M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderSUMMIT PARTNERS L PCIK 830588
Other
Since Jun 2021
-8.41M
Net shares
Net seller
$42.63M
Total sold
1
Open market trades
0B · 1S
1
Total transactions
8.41M disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

8.41M

Price / share

$5.07

Trade value

$42.63M

% of position

20.1%
8/18/2025
41.93M33.52M
Total

Net shares

8.41M

Net value

-$42.63M

Derivative Transactions0
No derivative transactions reported
SUMMIT PARTNERS L P — Insider Transaction (Form 4) Filed Aug 20, 2025 | Finecho