Who
SUMMIT PARTNERS L P
10% owner
Company insider
Files Form 4 as: 10% owner, Klaviyo, Inc. Series A; 10% owner, Solo Brands; 10% owner and Other, LifeStance Health Group; Other, MACOM Technology Solutions Holdings; Other, Fortegra Financial; Other, Corpay; Other, Global Cash Access Holdings; 10% owner and Other, Seabright Insurance Holdings.
In numbers
- Trades disclosed
- 58
- Buys
- 0
- Sells
- 19
- Bought
- $0
- Sold
- $825.5M
- Companies
- 9
- Companies where not an officer
- 9
- First trade
- 8 Feb 2006
- Last trade
- 11 Aug 2026
- Last filed
- 13 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 11 Aug 2026filed 13 Aug 2026 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code C | —5,000,000 | filing |
| 11 Aug 2026filed 13 Aug 2026 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Sold | $88.5M5,000,000 at $17.71 | filing |
| 11 Aug 2026filed 13 Aug 2026 | KVYO Klaviyo, Inc. Series Aoption or derivative · Software | SEC FORM 4 Code C | —5,000,000 | filing |
| 1 Jan 2026filed 5 Jan 2026 | Solo BrandsLeisure Products & Vehicles | SEC FORM 4 Code C | —354,189 | filing |
| 1 Jan 2026filed 5 Jan 2026 | Solo BrandsLeisure Products & Vehicles | SEC FORM 4 Code J | —354,189 | filing |
| 1 Jan 2026filed 5 Jan 2026 | Solo Brandsoption or derivative · Leisure Products & Vehicles | SEC FORM 4 Code C | —354,189 at $0.00 | filing |
| 21 Aug 2025filed 22 Aug 2025 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code J | —500,000 at $0.00 | filing |
| 18 Aug 2025filed 20 Aug 2025 | LFST LifeStance Health GroupProviders & Facilities | SEC FORM 4 Sold | $42.6M8,407,643 at $5.07 | filing |
| 9 Dec 2024filed 11 Dec 2024 | KVYO Klaviyo, Inc. Series Aoption or derivative · Software | SEC FORM 4 Code C | —2,100,000 at $0.00 | filing |
| 9 Dec 2024filed 11 Dec 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code C | —2,100,000 | filing |
| 9 Dec 2024filed 11 Dec 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Sold | $82.2M2,100,000 at $39.15 | filing |
| 25 Nov 2024filed 25 Nov 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code J | —346,707 at $0.00 | filing |
| 12 Sep 2024filed 16 Sep 2024 | KVYO Klaviyo, Inc. Series Aoption or derivative · Software | SEC FORM 4 Code C | —107,205 at $0.00 | filing |
| 12 Sep 2024filed 16 Sep 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code C | —107,205 | filing |
| 12 Sep 2024filed 16 Sep 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Sold | $3.4M107,205 at $31.33 | filing |
| 11 Sep 2024filed 13 Sep 2024 | KVYO Klaviyo, Inc. Series Aoption or derivative · Software | SEC FORM 4 Code C | —2,942 at $0.00 | filing |
| 11 Sep 2024filed 13 Sep 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code C | —2,942 | filing |
| 11 Sep 2024filed 13 Sep 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Sold | $91K2,942 at $31.01 | filing |
| 3 Sep 2024filed 5 Sep 2024 | KVYO Klaviyo, Inc. Series Aoption or derivative · Software | SEC FORM 4 Code C | —6,039 at $0.00 | filing |
| 3 Sep 2024filed 5 Sep 2024 | KVYO Klaviyo, Inc. Series ASoftware | SEC FORM 4 Code C | —6,039 | filing |
News
Contrasting RTB Digital, Inc. Common Stock (NASDAQ:RTB) & Klaviyo (NYSE:KVYO)KVYO · tickerreport.com · 21 Oct 2026Synchronoss Technologies (NASDAQ:SNCR) and Klaviyo (NYSE:KVYO) Head-To-Head AnalysisKVYO · themarketsdaily.com · 21 Oct 2026
0 headlines in the last 90 days name SUMMIT PARTNERS L P; 2 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.