Follow the people · Insider
SUMMIT PARTNERS L P
SUMMIT PARTNERS L P files insider transactions with the SEC as a 10% owner of Klaviyo (KVYO). We hold 1 disclosed purchase or sale filed since 10 February 2006, 1 of them in the last 90 days.
- Files forKVYO
- Disclosed buys and sells1 in all, 1 in the last 90 days
- Last disclosure13 August 2026
Positions held
9 posts we hold — a term names its own dates; a run of filings only says when they filed- Filed 20 August 2024 — 11 August 202610% owner · Klaviyo (KVYO)29 Form 4 lines · source: SEC Form 4
- Filed 1 January 2026 — 1 January 202610% owner · Solo Brands (SBDS)3 Form 4 lines · source: SEC Form 4
- Filed 25 June 2021 — 18 August 202510% owner · LifeStance Health Group (LFST)2 Form 4 lines · source: SEC Form 4
- Filed 11 February 2015 — 11 February 2015Other role · M/A-COM Technology Solutions Holdings (MTSI)1 Form 4 line · source: SEC Form 4
- Filed 4 December 2014 — 4 December 2014Other role · Fortegra Financial (FRF)1 Form 4 line · source: SEC Form 4
- Filed 7 June 2012 — 10 September 2013Other role · Fleetcor Technologies (FLT)2 Form 4 lines · source: SEC Form 4
- Filed 9 November 2006 — 20 May 2009Other role · Global Cash Access Holdings (GCA)8 Form 4 lines · source: SEC Form 4
- Filed 8 June 2006 — 1 November 2006Other role · Seabright Insurance Holdings (SEAB)6 Form 4 lines · source: SEC Form 4
- Filed 8 February 2006 — 15 August 2006Other role · NightHawk Radiology Holdings (NHWK)6 Form 4 lines · source: SEC Form 4
Everything they disclosed
58 entries, newest first — one per disclosure report, one per Form 4 line- converted 5,000,000 shares of KlaviyoSEC Form 413 August 2026Series A Common Stock, par value $0.001 per share · traded 11 August 2026 · filed 13 August 2026
- ▼ sold on the open market 5,000,000 shares of KlaviyoSEC Form 413 August 2026Series A Common Stock, par value $0.001 per share · traded 11 August 2026 · filed 13 August 2026
- converted 5,000,000 shares of Klaviyo (a derivative holding)SEC Form 413 August 2026Series B Common Stock, par value $0.001 per share · traded 11 August 2026 · filed 13 August 2026
- converted 354,189 shares of Solo BrandsSEC Form 45 January 2026Class A Common Stock, $0.001 par value per share · traded 1 January 2026 · filed 5 January 2026
- acquired or disposed of, other 354,189 shares of Solo BrandsSEC Form 45 January 2026Class B Common Stock, $0.001 par value per share · traded 1 January 2026 · filed 5 January 2026
- converted 354,189 shares of Solo Brands (a derivative holding)SEC Form 45 January 2026Common Units · traded 1 January 2026 · filed 5 January 2026
- acquired or disposed of, other 500,000 shares of KlaviyoSEC Form 422 August 2025Series A Common Stock, par value $0.001 per share · traded 21 August 2025 · filed 22 August 2025
- ▼ sold on the open market 8,407,643 shares of LifeStance Health GroupSEC Form 420 August 2025Common Stock · traded 18 August 2025 · filed 20 August 2025
- converted 2,100,000 shares of Klaviyo (a derivative holding)SEC Form 411 December 2024Series B Common Stock, par value $0.001 per share · traded 9 December 2024 · filed 11 December 2024
- converted 2,100,000 shares of KlaviyoSEC Form 411 December 2024Series A Common Stock, par value $0.001 per share · traded 9 December 2024 · filed 11 December 2024
- ▼ sold on the open market 2,100,000 shares of KlaviyoSEC Form 411 December 2024Series A Common Stock, par value $0.001 per share · traded 9 December 2024 · filed 11 December 2024
- acquired or disposed of, other 346,707 shares of KlaviyoSEC Form 425 November 2024Series A Common Stock, par value $0.001 per share · traded 25 November 2024 · filed 25 November 2024
- converted 107,205 shares of Klaviyo (a derivative holding)SEC Form 416 September 2024Series B Common Stock, par value $0.001 per share · traded 12 September 2024 · filed 16 September 2024
- converted 107,205 shares of KlaviyoSEC Form 416 September 2024Series A Common Stock, par value $0.001 per share · traded 12 September 2024 · filed 16 September 2024
- ▼ sold on the open market 107,205 shares of KlaviyoSEC Form 416 September 2024Series A Common Stock, par value $0.001 per share · traded 12 September 2024 · filed 16 September 2024
- converted 2,942 shares of Klaviyo (a derivative holding)SEC Form 413 September 2024Series B Common Stock, par value $0.001 per share · traded 11 September 2024 · filed 13 September 2024
- converted 2,942 shares of KlaviyoSEC Form 413 September 2024Series A Common Stock, par value $0.001 per share · traded 11 September 2024 · filed 13 September 2024
- ▼ sold on the open market 2,942 shares of KlaviyoSEC Form 413 September 2024Series A Common Stock, par value $0.001 per share · traded 11 September 2024 · filed 13 September 2024
- converted 6,039 shares of Klaviyo (a derivative holding)SEC Form 45 September 2024Series B Common Stock, par value $0.001 per share · traded 3 September 2024 · filed 5 September 2024
- converted 6,039 shares of KlaviyoSEC Form 45 September 2024Series A Common Stock, par value $0.001 per share · traded 3 September 2024 · filed 5 September 2024
- ▼ sold on the open market 6,039 shares of KlaviyoSEC Form 45 September 2024Series A Common Stock, par value $0.001 per share · traded 3 September 2024 · filed 5 September 2024
- converted 67,436 shares of Klaviyo (a derivative holding)SEC Form 429 August 2024Series B Common Stock, par value $0.001 per share · traded 27 August 2024 · filed 29 August 2024
- converted 67,436 shares of KlaviyoSEC Form 429 August 2024Series A Common Stock, par value $0.001 per share · traded 27 August 2024 · filed 29 August 2024
- ▼ sold on the open market 67,436 shares of KlaviyoSEC Form 429 August 2024Series A Common Stock, par value $0.001 per share · traded 27 August 2024 · filed 29 August 2024
- converted 90,502 shares of Klaviyo (a derivative holding)SEC Form 428 August 2024Series B Common Stock, par value $0.001 per share · traded 26 August 2024 · filed 28 August 2024
- converted 90,502 shares of KlaviyoSEC Form 428 August 2024Series A Common Stock, par value $0.001 per share · traded 26 August 2024 · filed 28 August 2024
- ▼ sold on the open market 90,502 shares of KlaviyoSEC Form 428 August 2024Series A Common Stock, par value $0.001 per share · traded 26 August 2024 · filed 28 August 2024
- converted 305,638 shares of Klaviyo (a derivative holding)SEC Form 427 August 2024Series B Common Stock, par value $0.001 per share · traded 23 August 2024 · filed 27 August 2024
- converted 305,638 shares of KlaviyoSEC Form 427 August 2024Series A Common Stock, par value $0.001 per share · traded 23 August 2024 · filed 27 August 2024
- ▼ sold on the open market 305,638 shares of KlaviyoSEC Form 427 August 2024Series A Common Stock, par value $0.001 per share · traded 23 August 2024 · filed 27 August 2024
- converted 135,902 shares of Klaviyo (a derivative holding)SEC Form 422 August 2024Series B Common Stock, par value $0.001 per share · traded 20 August 2024 · filed 22 August 2024
- converted 135,902 shares of KlaviyoSEC Form 422 August 2024Series A Common Stock, par value $0.001 per share · traded 20 August 2024 · filed 22 August 2024
- ▼ sold on the open market 135,902 shares of KlaviyoSEC Form 422 August 2024Series A Common Stock, par value $0.001 per share · traded 20 August 2024 · filed 22 August 2024
- ▼ sold on the open market 1,140,704 shares of LifeStance Health GroupSEC Form 429 June 2021Common Stock · traded 25 June 2021 · filed 29 June 2021
- ▼ sold on the open market 2,235,000 shares of M/A-COM Technology Solutions HoldingsSEC Form 411 February 2015Common Stock · traded 11 February 2015 · filed 11 February 2015
- ▼ sold on the open market 12,438,772 shares of Fortegra FinancialSEC Form 44 December 2014Common Stock · traded 4 December 2014 · filed 4 December 2014
- ▼ sold on the open market 2,000,000 shares of Fleetcor TechnologiesSEC Form 412 September 2013Common Stock · traded 10 September 2013 · filed 12 September 2013
- ▼ sold on the open market 4,000,000 shares of Fleetcor TechnologiesSEC Form 411 June 2012Common Stock · traded 7 June 2012 · filed 11 June 2012
- acquired or disposed of, other 2,500,000 shares of Global Cash Access HoldingsSEC Form 421 May 2009Common Stock · traded 20 May 2009 · filed 21 May 2009
- acquired or disposed of, other 103,300 shares of Global Cash Access HoldingsSEC Form 421 May 2009Common Stock · traded 20 May 2009 · filed 21 May 2009
- acquired or disposed of, other 103,300 shares of Global Cash Access HoldingsSEC Form 421 May 2009Common Stock · traded 20 May 2009 · filed 21 May 2009
- was granted 66,000 shares of Global Cash Access Holdings (a derivative holding)SEC Form 48 May 2009Stock option (right to buy) · traded 24 February 2009 · filed 8 May 2009
- was granted 34,000 shares of Global Cash Access HoldingsSEC Form 48 May 2009Common Stock · traded 24 February 2009 · filed 8 May 2009
- ▼ sold on the open market 258,600 shares of Global Cash Access HoldingsSEC Form 422 February 2007Common Stock · traded 21 February 2007 · filed 22 February 2007
- ▼ sold on the open market 800 shares of Global Cash Access HoldingsSEC Form 422 February 2007Common Stock · traded 22 February 2007 · filed 22 February 2007
- ▼ sold on the open market 733,918 shares of Global Cash Access HoldingsSEC Form 49 November 2006Common Stock · traded 9 November 2006 · filed 9 November 2006
- acquired or disposed of, other 750,000 shares of Seabright Insurance HoldingsSEC Form 42 November 2006Common Stock · traded 1 November 2006 · filed 2 November 2006
- acquired or disposed of, other 171,604 shares of Seabright Insurance HoldingsSEC Form 42 November 2006Common Stock · traded 1 November 2006 · filed 2 November 2006
- acquired or disposed of, other 171,604 shares of Seabright Insurance HoldingsSEC Form 42 November 2006Common Stock · traded 1 November 2006 · filed 2 November 2006
- acquired or disposed of, other 900,000 shares of NightHawk Radiology HoldingsSEC Form 415 August 2006Common Stock · traded 15 August 2006 · filed 15 August 2006
- acquired or disposed of, other 245,189 shares of NightHawk Radiology HoldingsSEC Form 415 August 2006Common Stock · traded 15 August 2006 · filed 15 August 2006
- acquired or disposed of, other 245,189 shares of NightHawk Radiology HoldingsSEC Form 415 August 2006Common Stock · traded 15 August 2006 · filed 15 August 2006
- acquired or disposed of, other 1,000,000 shares of Seabright Insurance HoldingsSEC Form 412 June 2006Common Stock · traded 8 June 2006 · filed 12 June 2006
- acquired or disposed of, other 155,435 shares of Seabright Insurance HoldingsSEC Form 412 June 2006Common Stock · traded 8 June 2006 · filed 12 June 2006
- acquired or disposed of, other 155,435 shares of Seabright Insurance HoldingsSEC Form 412 June 2006Common Stock · traded 8 June 2006 · filed 12 June 2006
- converted 6,500,003 shares of NightHawk Radiology Holdings (a derivative holding)SEC Form 410 February 20066% Series A Convertible Preferred Stock · traded 8 February 2006 · filed 10 February 2006
- converted 6,500,003 shares of NightHawk Radiology HoldingsSEC Form 410 February 2006Common Stock · traded 8 February 2006 · filed 10 February 2006
- ▼ sold on the open market 500,000 shares of NightHawk Radiology HoldingsSEC Form 410 February 2006Common Stock · traded 8 February 2006 · filed 10 February 2006
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.