SUMMIT PARTNERS L P
Insider Reports History
- Location
- Boston, MA
- Signature
- /s/ Adam H. Hennessey, as attorney-in-fact for Summit Partners, L.P.
- All insider transactions
- Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date
Holdings reported by SUMMIT PARTNERS L P:
| Company | Role | Class | Num Shares | Value | Price $ | Report Date | Ownership |
|---|---|---|---|---|---|---|---|
| EngageSmart, Inc. | 10%+ Owner | Common Stock, par value $0.001 per share | 25,004,973 | $572,613,882 | $22.90 | 07 Mar 2023 | Indirect |
| LifeStance Health Group, Inc. | 10%+ Owner | Common Stock | 33,524,715 | $169,970,305 | $5.07 | 18 Aug 2025 | Direct |
| A10 Networks, Inc. | 10%+ Owner | Common Stock | 5,388,206 | $68,484,098 | $12.71 | 08 Sep 2022 | See Remarks |
| Solo Brands, Inc. | 10%+ Owner | Class A Common Stock, $0.001 par value per share | 1,100,870 | $10,898,613 | $9.90 | 01 Jan 2026 | Indirect |
| Klaviyo, Inc. | 10%+ Owner | Series B Common Stock, par value $0.001 per share | 18,852,778 | $388,278 | $0.0100 | 08 Sep 2025 | Indirect |
| Klaviyo, Inc. | 10%+ Owner | Series A Common Stock, par value $0.001 per share | 0 | $0 | $31.87 | 08 Sep 2025 | Indirect |
| Solo Brands, Inc. | 10%+ Owner | Class B Common Stock, $0.001 par value per share | 0 | 01 Jan 2026 | Indirect | ||
| Solo Brands, Inc. | 10%+ Owner | Common Units | 0 | 01 Jan 2026 | Indirect |
Insider Reports Filed by SUMMIT PARTNERS L P
| Symbol | Company | Period | Transactions | Value $ | Form Type | Role | Filing Time |
|---|---|---|---|---|---|---|---|
| DTCB | Solo Brands, Inc. | 01 Jan 2026 | 3 | $0 | 4 | 10%+ Owner | 05 Jan 2026, 16:05 |
| KVYO | Klaviyo, Inc. | 08 Sep 2025 | 3 | -$127,480,000 | 4 | 10%+ Owner | 10 Sep 2025, 16:15 |
| KVYO | Klaviyo, Inc. | 25 Aug 2025 | 3 | -$29,259,750 | 4 | 10%+ Owner | 27 Aug 2025, 16:05 |
| KVYO | Klaviyo, Inc. | 21 Aug 2025 | 1 | $0 | 4 | 10%+ Owner | 22 Aug 2025, 16:12 |
| LFST | LifeStance Health Group, Inc. | 18 Aug 2025 | 1 | -$42,626,750 | 4 | 10%+ Owner | 20 Aug 2025, 16:34 |
| KVYO | Klaviyo, Inc. | 13 Aug 2025 | 3 | -$195,065,000 | 4 | 10%+ Owner | 15 Aug 2025, 16:17 |
| KVYO | Klaviyo, Inc. | 04 Jun 2025 | 3 | -$133,400,000 | 4 | 10%+ Owner | 05 Jun 2025, 19:13 |
| KVYO | Klaviyo, Inc. | 19 May 2025 | 3 | -$132,000,000 | 4 | 10%+ Owner | 20 May 2025, 18:25 |
| KVYO | Klaviyo, Inc. | 14 Mar 2025 | 3 | -$64,880,000 | 4 | 10%+ Owner | 17 Mar 2025, 17:11 |
| KVYO | Klaviyo, Inc. | 09 Dec 2024 | 3 | -$82,215,000 | 4 | 10%+ Owner | 11 Dec 2024, 16:57 |
| KVYO | Klaviyo, Inc. | 25 Nov 2024 | 1 | $0 | 4 | 10%+ Owner | 25 Nov 2024, 16:05 |
| KVYO | Klaviyo, Inc. | 14 Nov 2024 | 3 | -$114,149,207 | 4 | 10%+ Owner | 18 Nov 2024, 16:25 |
| KVYO | Klaviyo, Inc. | 13 Sep 2024 | 3 | -$3,573,765 | 4 | 10%+ Owner | 17 Sep 2024, 16:23 |
| KVYO | Klaviyo, Inc. | 12 Sep 2024 | 3 | -$3,358,733 | 4 | 10%+ Owner | 16 Sep 2024, 17:05 |
| KVYO | Klaviyo, Inc. | 11 Sep 2024 | 3 | -$91,231 | 4 | 10%+ Owner | 13 Sep 2024, 16:01 |
| KVYO | Klaviyo, Inc. | 03 Sep 2024 | 3 | -$190,410 | 4 | 10%+ Owner | 05 Sep 2024, 16:00 |
| KVYO | Klaviyo, Inc. | 30 Aug 2024 | 3 | -$41,132 | 4 | 10%+ Owner | 04 Sep 2024, 17:40 |
| KVYO | Klaviyo, Inc. | 29 Aug 2024 | 3 | -$534,173 | 4 | 10%+ Owner | 03 Sep 2024, 16:20 |
| KVYO | Klaviyo, Inc. | 28 Aug 2024 | 3 | -$869,458 | 4 | 10%+ Owner | 30 Aug 2024, 16:01 |
| KVYO | Klaviyo, Inc. | 27 Aug 2024 | 3 | -$2,177,508 | 4 | 10%+ Owner | 29 Aug 2024, 16:03 |
| KVYO | Klaviyo, Inc. | 26 Aug 2024 | 3 | -$2,920,500 | 4 | 10%+ Owner | 28 Aug 2024, 16:13 |
| KVYO | Klaviyo, Inc. | 23 Aug 2024 | 3 | -$9,881,277 | 4 | 10%+ Owner | 27 Aug 2024, 16:02 |
| KVYO | Klaviyo, Inc. | 22 Aug 2024 | 3 | -$2,620,168 | 4 | 10%+ Owner | 26 Aug 2024, 17:16 |
| KVYO | Klaviyo, Inc. | 21 Aug 2024 | 3 | -$3,615,876 | 4 | 10%+ Owner | 23 Aug 2024, 16:02 |
| KVYO | Klaviyo, Inc. | 20 Aug 2024 | 3 | -$4,342,069 | 4 | 10%+ Owner | 22 Aug 2024, 16:06 |
| KVYO | Klaviyo, Inc. | 16 Aug 2024 | 3 | -$7,709,860 | 4 | 10%+ Owner | 20 Aug 2024, 17:44 |
| LFST | LifeStance Health Group, Inc. | 24 May 2024 | 1 | -$22,395,812 | 4 | Manager of GP of 10% owner | 29 May 2024, 16:59 |
| KVYO | Klaviyo, Inc. | 23 Oct 2023 | 3 | -$50,138,592 | 4 | 10%+ Owner | 23 Oct 2023, 17:10 |
| KVYO | Klaviyo, Inc. | 22 Sep 2023 | 3 | -$139,319,607 | 4 | 10%+ Owner | 22 Sep 2023, 16:21 |
| KVYO | Klaviyo, Inc. | 20 Sep 2023 | 0 | $0 | 3 | 10%+ Owner | 20 Sep 2023, 16:46 |
| /report/000089924323007378-summit-partners-l-p-2023-03-07 | EngageSmart, Inc. | 07 Mar 2023 | 1 | -$4,597,736 | 4 | 10%+ Owner | 07 Mar 2023, 16:00 |
| /report/000089924323007034-summit-partners-l-p-2023-03-03 | EngageSmart, Inc. | 03 Mar 2023 | 1 | -$30,364,229 | 4 | 10%+ Owner | 03 Mar 2023, 16:26 |
| ATEN | A10 Networks, Inc. | 08 Sep 2022 | 1 | -$44,625,000 | 4 | 10%+ Owner | 09 Sep 2022, 16:31 |
| ATEN | A10 Networks, Inc. | 24 Jun 2022 | 1 | $0 | 4 | 10%+ Owner | 28 Jun 2022, 08:22 |
| ATEN | A10 Networks, Inc. | 07 Dec 2021 | 1 | -$10,535,000 | 4 | Manager of GP of 10% owner | 10 Dec 2021, 05:05 |
| DTCB | Solo Brands, Inc. | 28 Oct 2021 | 0 | $0 | 3 | 10%+ Owner | 28 Oct 2021, 18:32 |
| /report/000089924321037345-summit-partners-l-p-2021-09-23 | EngageSmart, Inc. | 23 Sep 2021 | 0 | $0 | 3 | 10%+ Owner | 23 Sep 2021, 17:07 |
| LFST | LifeStance Health Group, Inc. | 25 Jun 2021 | 1 | -$19,403,375 | 4 | Manager of GP of 10% owner | 29 Jun 2021, 17:19 |
| LFST | LifeStance Health Group, Inc. | 14 Jun 2021 | 1 | -$23,284,036 | 4 | Manager of GP of 10% owner | 16 Jun 2021, 16:50 |
| LFST | LifeStance Health Group, Inc. | 10 Jun 2021 | 0 | $0 | 3 | Manager of GP of 10% owner | 10 Jun 2021, 21:01 |