Klaviyo, Inc.
US ˙ NYSE ˙ US49845K1016

SecurityKVYO / Klaviyo, Inc.
InsiderSummit Partners L P
This page shows the track record and history of SUMMIT PARTNERS L P insider trades in Klaviyo, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Summit Partners L P in KVYO / Klaviyo, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Max		 Price at
Max		 Max
Profit ($)		 Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

KVYO / Klaviyo, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Summit Partners L P in KVYO / Klaviyo, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Min		 Price at
Min		 Max Loss
Avoided ($)		 Max Loss
Avoided (%)
2025-09-08 4,000,000 31.8700 4,000,000 31.8700 127,480,000 2 31.1700 -2,800,000 -2.20
2025-08-25 975,000 30.0100 975,000 30.0100 29,259,750
2025-08-13 6,500,000 30.0100 6,500,000 30.0100 195,065,000
2025-06-04 4,000,000 33.3500 4,000,000 33.3500 133,400,000
2025-05-19 4,000,000 33.0000 4,000,000 33.0000 132,000,000
2025-03-14 2,000,000 32.4400 2,000,000 32.4400 64,880,000
2024-12-09 2,100,000 39.1500 2,100,000 39.1500 82,215,000
2024-11-14 3,153,293 36.2000 3,153,293 36.2000 114,149,207
2024-09-13 113,561 31.4700 113,561 31.4700 3,573,765
2024-09-12 107,205 31.3300 107,205 31.3300 3,358,733
2024-09-11 2,942 31.0100 2,942 31.0100 91,231
2024-09-03 6,039 31.5300 6,039 31.5300 190,410
2024-08-30 1,300 31.6400 1,300 31.6400 41,132
2024-08-29 16,931 31.5500 16,931 31.5500 534,173
2024-08-28 27,445 31.6800 27,445 31.6800 869,458
2024-08-27 67,436 32.2900 67,436 32.2900 2,177,508
2024-08-26 90,502 32.2700 90,502 32.2700 2,920,500
2024-08-23 305,638 32.3300 305,638 32.3300 9,881,277
2024-08-22 82,499 31.7600 82,499 31.7600 2,620,168
2024-08-21 113,850 31.7600 113,850 31.7600 3,615,876
2024-08-20 135,902 31.9500 135,902 31.9500 4,342,069
2024-08-16 242,601 31.7800 242,601 31.7800 7,709,860
2023-10-23 1,770,318 28.3218 1,770,318 28.3218 50,138,592
2023-09-22 4,919,165 28.3218 4,919,165 28.3218 139,319,607

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

KVYO / Klaviyo, Inc. Insider Trades
Insider Transaction History
File
Date		 Trade
Date		 Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price		 Unit
Price		 Units
Changed		 Value
Changed (1K)		 Remaining
Options		 Remaining
Shares
2025-09-10 2025-09-08 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.8700 -4,000,000 -127,480 0
2025-09-10 2025-09-08 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 4,000,000 4,000,000
2025-08-27 2025-08-25 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 30.0100 -975,000 -29,260 0
2025-08-27 2025-08-25 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 975,000 975,000
2025-08-22 2025-08-21 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share J - Other I -500,000 0
2025-08-15 2025-08-13 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 30.0100 -6,500,000 -195,065 500,000
2025-08-15 2025-08-13 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 7,000,000 7,000,000
2025-06-05 2025-06-04 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 33.3500 -4,000,000 -133,400 0
2025-06-05 2025-06-04 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 4,000,000 4,000,000
2025-05-20 2025-05-19 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 33.0000 -4,000,000 -132,000 0
2025-05-20 2025-05-19 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 4,000,000 4,000,000
2025-03-17 2025-03-14 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 32.4400 -2,000,000 -64,880 0
2025-03-17 2025-03-14 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 2,000,000 2,000,000
2024-12-11 2024-12-09 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 39.1500 -2,100,000 -82,215 0
2024-12-11 2024-12-09 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 2,100,000 2,100,000
2024-11-25 2024-11-25 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share J - Other I -346,707 0
2024-11-18 2024-11-14 4 SUMMIT PARTNERS L P See footnotes KVYO Series A Common Stock, par value $0.001 per share S - Sale I 36.2000 -3,153,293 -114,149 346,707
2024-11-18 2024-11-14 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 3,500,000 3,500,000
2024-09-17 2024-09-13 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.4700 -113,561 -3,574 0
2024-09-17 2024-09-13 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 113,561 113,561
2024-09-16 2024-09-12 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.3300 -107,205 -3,359 0
2024-09-16 2024-09-12 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 107,205 107,205
2024-09-13 2024-09-11 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.0100 -2,942 -91 0
2024-09-13 2024-09-11 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 2,942 2,942
2024-09-05 2024-09-03 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.5300 -6,039 -190 0
2024-09-05 2024-09-03 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 6,039 6,039
2024-09-04 2024-08-30 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.6400 -1,300 -41 0
2024-09-04 2024-08-30 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 1,300 1,300
2024-09-03 2024-08-29 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.5500 -16,931 -534 0
2024-09-03 2024-08-29 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 16,931 16,931
2024-08-30 2024-08-28 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.6800 -27,445 -869 0
2024-08-30 2024-08-28 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 27,445 27,445
2024-08-29 2024-08-27 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 32.2900 -67,436 -2,178 0
2024-08-29 2024-08-27 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 67,436 67,436
2024-08-28 2024-08-26 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 32.2700 -90,502 -2,920 0
2024-08-28 2024-08-26 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 90,502 90,502
2024-08-27 2024-08-23 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 32.3300 -305,638 -9,881 0
2024-08-27 2024-08-23 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 305,638 305,638
2024-08-26 2024-08-22 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.7600 -82,499 -2,620 0
2024-08-26 2024-08-22 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 82,499 82,499
2024-08-23 2024-08-21 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.7600 -113,850 -3,616 0
2024-08-23 2024-08-21 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 113,850 113,850
2024-08-22 2024-08-20 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.9500 -135,902 -4,342 0
2024-08-22 2024-08-20 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 135,902 135,902
2024-08-20 2024-08-16 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 31.7800 -242,601 -7,710 0
2024-08-20 2024-08-16 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 242,601 242,601
2023-10-23 2023-10-23 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 28.3218 -1,770,318 -50,139 0
2023-10-23 2023-10-23 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 1,770,318 1,770,318
2023-09-22 2023-09-22 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share S - Sale I 28.3218 -4,919,165 -139,320 0
2023-09-22 2023-09-22 4 SUMMIT PARTNERS L P KVYO Series A Common Stock, par value $0.001 per share C - Conversion I 4,919,165 4,919,165
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)