KVYO Klaviyo, Inc.

NYSE
$16.36

Klaviyo, Inc. (KVYO) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with KVYO's own trailing one-year pace, with 60% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
8
101 transactions
Purchases
$300.3K
16,339 shares
Sales
$221.9M
10,593,910 shares
Net activity
-$221.6M
purchases less sales

How much of that selling was preplanned? 60% planned / 40% discretionary

10b5-1 plan sales $133.4M 100 transactions · 5,593,910 shares
Discretionary sales $88.6M 1 transaction · 5,000,000 shares

Largest single sale: $88.6M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: February 12, 2026 , by Ceran Jennifer .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Hallen Ed 2 fills Director Sell 10b5-1 98,782 $20.48 $2.0M 465,631 −17.5% of holding
Edmond Landon Chief Legal Officer Sell 10b5-1 8,103 $20.44 $165.6K 477,866 −1.7% of holding
Edmond Landon Chief Legal Officer Sell 10b5-1 53,473 $20.01 $1.1M 485,969 −9.9% of holding
Whalen Amanda Chief Financial Officer Sell 10b5-1 14,000 $18.47 $258.6K 824,192 −1.7% of holding
Sell 5,000,000 $17.71 $88.6M None left
Whalen Amanda Chief Financial Officer Sell 10b5-1 14,000 $17.75 $248.5K 838,192 −1.6% of holding
Whalen Amanda Chief Financial Officer Sell 10b5-1 14,000 $13.23 $185.2K 852,192 −1.6% of holding
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 212,529 $14.61 $3.1M None left
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 200,000 $14.88 $3.0M None left
St. Ledger Susan Director Sell 10b5-1 9,334 $14.27 $133.2K 10,939 −46% of holding
Whalen Amanda Chief Financial Officer Sell 10b5-1 14,000 $14.26 $199.6K 895,141 −1.5% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 200,000 $14.61 $2.9M 141,316 −58.6% of holding
Edmond Landon Chief Legal Officer Sell 10b5-1 9,623 $20.00 $192.5K 584,124 −1.6% of holding
Whalen Amanda Chief Financial Officer Sell 10b5-1 14,000 $18.54 $259.6K 895,141 −1.5% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 200,000 $17.19 $3.4M 90,858 −68.8% of holding
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 200,000 $18.63 $3.7M None left
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 200,000 $19.42 $3.9M None left
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 200,000 $18.17 $3.6M None left
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 200,000 $19.37 $3.9M 102,621 −66.1% of holding
Edmond Landon Chief Legal Officer Sell 10b5-1 14,366 $20.15 $289.5K 312,362 −4.4% of holding
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 14,000 $19.58 $274.2K 417,502 −3.2% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 206,827 $19.96 $4.1M 700 −99.7% of holding
Edmond Landon Chief Legal Officer Sell 10b5-1 15,093 $20.16 $304.3K 326,728 −4.4% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 200,000 $18.64 $3.7M 45,978 −81.3% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 200,000 $16.76 $3.4M 39,644 −83.5% of holding
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 14,000 $18.88 $264.3K 446,938 −3% of holding
Ceran Jennifer Director Buy 16,339 $18.38 $300.3K 30,691
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 155,219 $25.33 $3.9M 4,530 −97.2% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 167,926 $24.16 $4.1M 796 −99.5% of holding
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 14,000 $25.83 $361.7K 448,393 −3% of holding
Edmond Landon 2 fills Chief Legal Officer Sell 10b5-1 10,000 $25.83 $258.3K 348,281 −2.8% of holding
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 140,646 $27.41 $3.9M 90,327 −60.9% of holding
Bialecki Andrew Co-Chief Executive Officer Sell 10b5-1 16,649 $30.01 $499.6K None left
Bialecki Andrew 2 fills Co-Chief Executive Officer Sell 10b5-1 137,504 $28.91 $4.0M 2,382 −98.3% of holding
Bialecki Andrew 2 fills Chief Executive Officer Sell 10b5-1 100,000 $32.97 $3.3M 6,934 −93.5% of holding
Edmond Landon 2 fills Chief Legal Officer Sell 10b5-1 14,190 $31.38 $445.3K 354,354 −3.9% of holding
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 14,000 $31.38 $439.4K 452,634 −3% of holding
Hallen Ed 2 fills Director Sell 10b5-1 117,550 $30.36 $3.6M 525,246 −18.3% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 100,000 $30.40 $3.0M None left
Bialecki Andrew Chief Executive Officer Sell 10b5-1 138,648 $29.04 $4.0M None left
Rowland Stephen Eric 2 fills President Sell 10b5-1 7,104 $29.45 $209.2K 437,485 −1.6% of holding
Hallen Ed 2 fills Director Sell 10b5-1 757 $30.15 $22.8K 607,918 −0.1% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 17,777 $30.00 $533.3K None left
Bialecki Andrew Chief Executive Officer Sell 10b5-1 82,223 $30.12 $2.5M None left
Bialecki Andrew 2 fills Chief Executive Officer Sell 10b5-1 131,362 $29.42 $3.9M 800 −99.4% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 952 $30.00 $28.6K None left
Bialecki Andrew Chief Executive Officer Sell 10b5-1 142,045 $28.62 $4.1M None left
Bialecki Andrew Chief Executive Officer Sell 10b5-1 144,717 $27.76 $4.0M None left
Edmond Landon 2 fills Chief Legal Officer Sell 10b5-1 14,394 $27.59 $397.1K 380,492 −3.6% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 147,329 $27.16 $4.0M None left
Galvin Carmel 2 fills Chief People Officer Sell 10b5-1 11,156 $27.51 $306.9K 643,896 −1.7% of holding
Rowland Stephen Eric President Sell 10b5-1 7,104 $27.39 $194.6K 441,398 −1.6% of holding
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 15,000 $28.60 $428.9K 482,019 −3% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 140,464 $29.74 $4.2M None left
Hallen Ed 2 fills Director Sell 10b5-1 2,811 $30.00 $84.3K 608,518 −0.5% of holding
Hallen Ed 2 fills Director Sell 10b5-1 59,492 $30.04 $1.8M 651,296 −8.4% of holding
Rowland Stephen Eric President Sell 10b5-1 7,105 $24.35 $173.0K 431,516 −1.6% of holding
Bialecki Andrew Chief Executive Officer Sell 10b5-1 163,331 $24.37 $4.0M None left
Whalen Amanda 2 fills Chief Financial Officer Sell 10b5-1 15,000 $25.03 $375.4K 486,911 −3% of holding
Bialecki Andrew 2 fills Chief Executive Officer Sell 10b5-1 159,508 $25.30 $4.0M 14,618 −91.6% of holding
Bialecki Andrew 5 fills Chief Executive Officer Sell 10b5-1 137,224 $28.86 $4.0M 119,264 −53.5% of holding
Bialecki Andrew 2 fills Chief Executive Officer Sell 10b5-1 211,358 $35.45 $7.5M 29,805 −87.6% of holding
Bialecki Andrew 2 fills Chief Executive Officer Sell 10b5-1 226,382 $32.35 $7.3M 85,461 −72.6% of holding
Hallen Ed 2 fills Director Sell 10b5-1 89,748 $31.71 $2.8M 722,476 −11% of holding
Rowland Stephen Eric 2 fills President Sell 10b5-1 7,105 $31.88 $226.5K 438,821 −1.6% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.