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Klaviyo, Inc.

KVYO Mostly scheduled
CIK 0001835830 #1305 in the set updated 17 Sep 2026
Bought (12 mo)
$300.31K
out of their own pocket, the only kind of buying there is
Sold (12 mo)
$211.59M
$12.74M on a plan · $198.85M straight out of an exercise
Sold at will
$0.00
0 of 96 sales
Net
−$211.29M
+$300.31K against sales at will

By person

13 insiders · 97 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Bialecki Andrew
Co-Chief Executive Officer
—
$108.08M (49) scheduled
−$108.08M
0
0.000%
$0.00
—
SUMMIT PARTNERS L P entity
10% owner
—
$88.55M (1) scheduled
−$88.55M
0
0.000%
$0.00
—
Hallen Ed
Director
—
$7.49M (10) scheduled
−$7.49M
1,067,449
0.360%
$17.00M
+103.2%
Whalen Amanda
Chief Financial Officer
—
$3.30M (17) scheduled
−$3.30M
795,242
0.268%
$12.67M
+88.1%
Edmond Landon
Chief Legal Officer
—
$3.12M (11) scheduled
−$3.12M
477,866
0.161%
$7.61M
+94.5%
Rowland Stephen Eric
President
—
$576.80K (4) scheduled
−$576.80K
434,294
0.146%
$6.92M
+125.6%
Galvin Carmel
Chief People Officer
—
$306.92K (2) scheduled
−$306.92K
907,458
0.306%
$14.46M
+31.3%
Ceran Jennifer
Director
$300.31K (1)
—
+$300.31K
45,513
0.015%
$725.02K
+433.4%
St. Ledger Susan
Director
—
$170.28K (2) scheduled
−$170.28K
23,433
0.008%
$373.29K
+174.6%
Fernandez Gomez Luciano
Co-Chief Executive Officer
—
—
—
2,301,573
0.775%
$36.66M
+9,682%
Weisman Tony
Director
—
—
—
125,007
0.042%
$1.99M
+1,365%
Oulman Roxanne
Director
—
—
—
54,118
0.018%
$862.10K
+534.3%
Fagnan Jeff
10% owner
—
—
—
3,900
0.001%
$62.13K
—

Individual transactions

62
Insider
Date
Role
Action
Shares
Price
Amount
SUMMIT PARTNERS L P
11 Aug 2026
10% owner
Sold after exercise indirect
5,000,000
$17.71
$88.55M
Bialecki Andrew
26 May 2026
Co-Chief Executive Officer
Sold after exercise
212,529
$14.61
$3.11M
Bialecki Andrew
19 May 2026
Co-Chief Executive Officer
Sold after exercise
200,000
$14.88
$2.98M
St. Ledger Susan
18 May 2026
Director
Sold after exercise
9,334
$14.27
$133.20K
Whalen Amanda
14 May 2026
Chief Financial Officer
Sold after exercise
14,000
$14.26
$199.64K
Bialecki Andrew
12 May 2026
Co-Chief Executive Officer
Sold after exercise
141,316
$14.46
$2.04M
Bialecki Andrew
12 May 2026
Co-Chief Executive Officer
Sold after exercise
58,684
$14.97
$878.50K
Whalen Amanda
16 Apr 2026
Chief Financial Officer
Sold after exercise
14,000
$18.54
$259.56K
Bialecki Andrew
14 Apr 2026
Co-Chief Executive Officer
Sold after exercise
90,858
$16.94
$1.54M
Bialecki Andrew
14 Apr 2026
Co-Chief Executive Officer
Sold after exercise
109,142
$17.39
$1.90M
Bialecki Andrew
7 Apr 2026
Co-Chief Executive Officer
Sold after exercise
200,000
$18.63
$3.73M
Bialecki Andrew
31 Mar 2026
Co-Chief Executive Officer
Sold after exercise
200,000
$19.42
$3.88M
Bialecki Andrew
24 Mar 2026
Co-Chief Executive Officer
Sold after exercise
200,000
$18.17
$3.63M
Bialecki Andrew
17 Mar 2026
Co-Chief Executive Officer
Sold after exercise
102,621
$19.15
$1.97M
Bialecki Andrew
17 Mar 2026
Co-Chief Executive Officer
Sold after exercise
97,379
$19.60
$1.91M
Bialecki Andrew
10 Mar 2026
Co-Chief Executive Officer
Sold after exercise
700
$19.34
$13.54K
Bialecki Andrew
10 Mar 2026
Co-Chief Executive Officer
Sold after exercise
206,127
$19.96
$4.11M
Bialecki Andrew
3 Mar 2026
Co-Chief Executive Officer
Sold after exercise
45,978
$17.90
$823.01K
Bialecki Andrew
3 Mar 2026
Co-Chief Executive Officer
Sold after exercise
154,022
$18.86
$2.90M
Bialecki Andrew
24 Feb 2026
Co-Chief Executive Officer
Sold after exercise
39,644
$16.38
$649.37K
Bialecki Andrew
24 Feb 2026
Co-Chief Executive Officer
Sold after exercise
160,356
$16.86
$2.70M
Whalen Amanda
13 Feb 2026
Chief Financial Officer
Sold after exercise
4,719
$18.63
$87.91K
Whalen Amanda
13 Feb 2026
Chief Financial Officer
Sold after exercise
9,281
$19.01
$176.43K
Bialecki Andrew
27 Jan 2026
Co-Chief Executive Officer
Sold after exercise
4,530
$24.94
$112.98K
Bialecki Andrew
27 Jan 2026
Co-Chief Executive Officer
Sold after exercise
150,689
$25.34
$3.82M
Bialecki Andrew
20 Jan 2026
Co-Chief Executive Officer
Sold after exercise
796
$23.29
$18.54K
Bialecki Andrew
20 Jan 2026
Co-Chief Executive Officer
Sold after exercise
167,130
$24.16
$4.04M
Whalen Amanda
15 Jan 2026
Chief Financial Officer
Sold after exercise
6,174
$25.52
$157.56K
Whalen Amanda
15 Jan 2026
Chief Financial Officer
Sold after exercise
7,826
$26.08
$204.10K
Bialecki Andrew
13 Jan 2026
Co-Chief Executive Officer
Sold after exercise
90,327
$27.29
$2.47M
Bialecki Andrew
13 Jan 2026
Co-Chief Executive Officer
Sold after exercise
50,319
$27.62
$1.39M
Bialecki Andrew
7 Jan 2026
Co-Chief Executive Officer
Sold after exercise
16,649
$30.01
$499.64K
Bialecki Andrew
6 Jan 2026
Co-Chief Executive Officer
Sold after exercise
2,382
$28.52
$67.93K
Bialecki Andrew
6 Jan 2026
Co-Chief Executive Officer
Sold after exercise
135,122
$28.92
$3.91M
Bialecki Andrew
22 Dec 2025
Chief Executive Officer
Sold after exercise
6,934
$31.94
$221.47K
Bialecki Andrew
22 Dec 2025
Chief Executive Officer
Sold after exercise
93,066
$33.05
$3.08M
Bialecki Andrew
17 Dec 2025
Chief Executive Officer
Sold after exercise
100,000
$30.40
$3.04M
Bialecki Andrew
16 Dec 2025
Chief Executive Officer
Sold after exercise
138,648
$29.04
$4.03M
Bialecki Andrew
11 Dec 2025
Chief Executive Officer
Sold after exercise
17,777
$30.00
$533.31K
Bialecki Andrew
10 Dec 2025
Chief Executive Officer
Sold after exercise
82,223
$30.12
$2.48M
Bialecki Andrew
9 Dec 2025
Chief Executive Officer
Sold after exercise
800
$28.84
$23.07K
Bialecki Andrew
9 Dec 2025
Chief Executive Officer
Sold after exercise
130,562
$29.42
$3.84M
Bialecki Andrew
4 Dec 2025
Chief Executive Officer
Sold after exercise
952
$30.00
$28.56K
Bialecki Andrew
2 Dec 2025
Chief Executive Officer
Sold after exercise
142,045
$28.62
$4.07M
Bialecki Andrew
24 Nov 2025
Chief Executive Officer
Sold after exercise
144,717
$27.76
$4.02M
Bialecki Andrew
18 Nov 2025
Chief Executive Officer
Sold after exercise
147,329
$27.16
$4.00M
Rowland Stephen Eric
17 Nov 2025
President
Sold after exercise
7,104
$27.39
$194.58K
Whalen Amanda
14 Nov 2025
Chief Financial Officer
Sold after exercise
300
$27.89
$8.37K
Whalen Amanda
14 Nov 2025
Chief Financial Officer
Sold after exercise
14,700
$28.61
$420.57K
Bialecki Andrew
11 Nov 2025
Chief Executive Officer
Sold after exercise
140,464
$29.74
$4.18M
Bialecki Andrew
14 Oct 2025
Chief Executive Officer
Sold after exercise
163,331
$24.37
$3.98M
Whalen Amanda
10 Oct 2025
Chief Financial Officer
Sold after exercise
5,192
$24.45
$126.94K
Whalen Amanda
10 Oct 2025
Chief Financial Officer
Sold after exercise
9,808
$25.33
$248.44K
Bialecki Andrew
7 Oct 2025
Chief Executive Officer
Sold after exercise
14,618
$25.07
$366.47K
Bialecki Andrew
7 Oct 2025
Chief Executive Officer
Sold after exercise
144,890
$25.32
$3.67M
Bialecki Andrew
30 Sep 2025
Chief Executive Officer
Sold after exercise
28,811
$27.70
$798.06K
Bialecki Andrew
30 Sep 2025
Chief Executive Officer
Sold after exercise
39,733
$28.22
$1.12M
Bialecki Andrew
30 Sep 2025
Chief Executive Officer
Sold after exercise
44,672
$29.03
$1.30M
Bialecki Andrew
30 Sep 2025
Chief Executive Officer
Sold after exercise
6,048
$30.28
$183.13K
Bialecki Andrew
30 Sep 2025
Chief Executive Officer
Sold after exercise
17,960
$31.24
$561.07K
Bialecki Andrew
23 Sep 2025
Chief Executive Officer
Sold after exercise
29,805
$35.01
$1.04M
Bialecki Andrew
23 Sep 2025
Chief Executive Officer
Sold after exercise
181,553
$35.52
$6.45M
Show all 97 transactions →

What was left out

Form 4 filings counted 85
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 5
Sales on a Rule 10b5-1 plan 34
Sales straight out of an exercise 62
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 20,825,761
History held since 22 Sep 2023