Insider Transactions in Q4 2025 at Klaviyo, Inc. (KVYO)
Insider Transaction List (Q4 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 22
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-96.53%
|
$3,200,000
$32.5 P/Share
|
|
Dec 22
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+50.0%
|
-
|
|
Dec 18
2025
|
Amanda Whalen Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
14,000
-1.5%
|
$434,000
$31.0 P/Share
|
|
Dec 18
2025
|
Landon Edmond Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
14,190
-1.93%
|
$425,700
$30.98 P/Share
|
|
Dec 17
2025
|
Ed Hallen Director |
SELL
Open market or private sale
|
Indirect |
117,550
-17.15%
|
$3,526,500
$30.36 P/Share
|
|
Dec 17
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
100,000
-100.0%
|
$3,000,000
$30.4 P/Share
|
|
Dec 17
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
100,000
+50.0%
|
-
|
|
Dec 16
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
138,648
-100.0%
|
$4,020,792
$29.04 P/Share
|
|
Dec 16
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
138,648
+50.0%
|
-
|
|
Dec 15
2025
|
Stephen Eric Rowland President |
SELL
Open market or private sale
|
Direct |
7,104
-0.81%
|
$206,016
$29.41 P/Share
|
|
Dec 15
2025
|
Landon Edmond Chief Legal Officer |
SELL
Bona fide gift
|
Direct |
8,400
-2.23%
|
-
|
|
Dec 15
2025
|
Ed Hallen Director |
SELL
Open market or private sale
|
Indirect |
757
-0.1%
|
$22,710
$30.14 P/Share
|
|
Dec 11
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Bona fide gift
|
Direct |
3,419,000
-100.0%
|
-
|
|
Dec 11
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
3,436,777
+50.0%
|
-
|
|
Dec 11
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
17,777
-100.0%
|
$533,310
$30.0 P/Share
|
|
Dec 10
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
82,223
-100.0%
|
$2,466,690
$30.12 P/Share
|
|
Dec 10
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
82,223
+50.0%
|
-
|
|
Dec 09
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
131,362
-99.7%
|
$3,809,498
$29.13 P/Share
|
|
Dec 09
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
131,362
+50.0%
|
-
|
|
Dec 04
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
952
-100.0%
|
$28,560
$30.0 P/Share
|
|
Dec 04
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
952
+50.0%
|
-
|
|
Dec 02
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
142,045
-100.0%
|
$3,977,260
$28.62 P/Share
|
|
Dec 02
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
142,045
+50.0%
|
-
|
|
Nov 24
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
144,717
-100.0%
|
$3,907,359
$27.76 P/Share
|
|
Nov 24
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
144,717
+50.0%
|
-
|
|
Nov 20
2025
|
Landon Edmond Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
14,394
-1.86%
|
$388,638
$27.4 P/Share
|
|
Nov 18
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
147,329
-100.0%
|
$3,977,883
$27.16 P/Share
|
|
Nov 18
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
147,329
+50.0%
|
-
|
|
Nov 17
2025
|
Carmel Galvin Chief People Officer |
SELL
Open market or private sale
|
Direct |
11,156
-0.86%
|
$301,212
$27.43 P/Share
|
|
Nov 17
2025
|
Landon Edmond Chief Legal Officer |
BUY
Conversion of derivative security
|
Direct |
11,074
+2.76%
|
-
|
|
Nov 17
2025
|
Stephen Eric Rowland President |
SELL
Open market or private sale
|
Direct |
7,104
-1.58%
|
$191,808
$27.39 P/Share
|
|
Nov 17
2025
|
Stephen Eric Rowland President |
BUY
Conversion of derivative security
|
Direct |
28,457
+5.97%
|
-
|
|
Nov 15
2025
|
Amanda Whalen Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
45,058
-8.81%
|
$1,261,624
$28.61 P/Share
|
|
Nov 15
2025
|
Amanda Whalen Chief Financial Officer |
BUY
Conversion of derivative security
|
Direct |
29,513
+5.46%
|
-
|
|
Nov 15
2025
|
Carmel Galvin Chief People Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
24,817
-3.67%
|
$694,876
$28.61 P/Share
|
|
Nov 15
2025
|
Gomez Luciano Fernandez Co-Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
43,533
-34.17%
|
$1,218,924
$28.61 P/Share
|
|
Nov 15
2025
|
Landon Edmond Chief Legal Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
24,218
-5.99%
|
$678,104
$28.61 P/Share
|
|
Nov 15
2025
|
Landon Edmond Chief Legal Officer |
BUY
Conversion of derivative security
|
Direct |
11,426
+2.75%
|
-
|
|
Nov 15
2025
|
Stephen Eric Rowland President |
SELL
Payment of exercise price or tax liability
|
Direct |
34,326
-7.55%
|
$961,128
$28.61 P/Share
|
|
Nov 15
2025
|
Stephen Eric Rowland President |
BUY
Conversion of derivative security
|
Direct |
22,855
+4.79%
|
-
|
|
Nov 14
2025
|
Amanda Whalen Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
15,000
-1.51%
|
$420,000
$28.25 P/Share
|
|
Nov 14
2025
|
Amanda Whalen Chief Financial Officer |
BUY
Conversion of derivative security
|
Direct |
15,000
+2.93%
|
-
|
|
Nov 11
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
140,464
-100.0%
|
$4,073,456
$29.74 P/Share
|
|
Nov 11
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
140,464
+50.0%
|
-
|
|
Nov 11
2025
|
Ed Hallen Director |
SELL
Open market or private sale
|
Indirect |
2,811
-0.35%
|
$84,330
$30.0 P/Share
|
|
Nov 10
2025
|
Ed Hallen Director |
SELL
Bona fide gift
|
Indirect |
40,512
-6.22%
|
-
|
|
Nov 10
2025
|
Ed Hallen Director |
SELL
Open market or private sale
|
Indirect |
59,492
-6.04%
|
$1,784,760
$30.05 P/Share
|
|
Oct 15
2025
|
Stephen Eric Rowland President |
SELL
Open market or private sale
|
Direct |
7,105
-1.62%
|
$170,520
$24.35 P/Share
|
|
Oct 14
2025
|
Andrew Bialecki Co-Chief Executive Officer |
SELL
Open market or private sale
|
Direct |
163,331
-100.0%
|
$3,919,944
$24.37 P/Share
|
|
Oct 14
2025
|
Andrew Bialecki Co-Chief Executive Officer |
BUY
Conversion of derivative security
|
Direct |
163,331
+50.0%
|
-
|