Andrew Bialecki Insider Trading Activity

Corporate InsiderCEO · CIK 1991099

55

Total trades

$133.4M

Total volume

May 19, 2026

Last activity

KVYO

Klaviyo, Inc.

Andrew Bialecki has been net-selling over the last 12 months with 0 purchases and 55 sales across 1 company.

KVYO is the most-traded position with 55 trades. The largest single transaction was a sale of KVYO for $7.0M on Sep 9, 2025.

Performance Scorecard

Forward stock performance after each transaction by Andrew Bialecki. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIODAVG BUY RETURNAVG SELL AVOIDEDSUCCESS RATETRADES
30 days—+10.3%71%52
90 days—+16.6%79%43
120 days—+27.4%90%39

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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KVYO · Klaviyo, Inc.

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Recent Trades

Showing the 50 most recent of 55 disclosed trades.

DATETICKERTYPESHARESPRICEVALUEROLE
May 19, 2026KVYOSell200,000$14.88$3.0MCEO
May 12, 2026KVYOSell58,684$14.97$878KCEO
May 12, 2026KVYOSell141,316$14.46$2.0MCEO
Apr 14, 2026KVYOSell109,142$17.39$1.9MCEO
Apr 14, 2026KVYOSell90,858$16.94$1.5MCEO
Apr 7, 2026KVYOSell200,000$18.63$3.7MCEO
Mar 31, 2026KVYOSell200,000$19.42$3.9MCEO
Mar 24, 2026KVYOSell200,000$18.17$3.6MCEO
Mar 17, 2026KVYOSell97,379$19.60$1.9MCEO
Mar 17, 2026KVYOSell102,621$19.15$2.0MCEO
Mar 10, 2026KVYOSell206,127$19.96$4.1MCEO
Mar 10, 2026KVYOSell700$19.34$14KCEO
Mar 3, 2026KVYOSell154,022$18.86$2.9MCEO
Mar 3, 2026KVYOSell45,978$17.90$823KCEO
Feb 24, 2026KVYOSell160,356$16.86$2.7MCEO
Feb 24, 2026KVYOSell39,644$16.38$649KCEO
Jan 27, 2026KVYOSell150,689$25.34$3.8MCEO
Jan 27, 2026KVYOSell4,530$24.94$113KCEO
Jan 20, 2026KVYOSell796$23.29$19KCEO
Jan 20, 2026KVYOSell167,130$24.16$4.0MCEO
Jan 13, 2026KVYOSell50,319$27.62$1.4MCEO
Jan 13, 2026KVYOSell90,327$27.29$2.5MCEO
Jan 7, 2026KVYOSell16,649$30.01$500KCEO
Jan 6, 2026KVYOSell135,122$28.92$3.9MCEO
Jan 6, 2026KVYOSell2,382$28.52$68KCEO
Dec 22, 2025KVYOSell93,066$33.05$3.1MCEO
Dec 22, 2025KVYOSell6,934$31.94$221KCEO
Dec 17, 2025KVYOSell100,000$30.40$3.0MCEO
Dec 16, 2025KVYOSell138,648$29.04$4.0MCEO
Dec 11, 2025KVYOSell17,777$30.00$533KCEO
Dec 10, 2025KVYOSell82,223$30.12$2.5MCEO
Dec 9, 2025KVYOSell800$28.84$23KCEO
Dec 9, 2025KVYOSell130,562$29.42$3.8MCEO
Dec 4, 2025KVYOSell952$30.00$29KCEO
Dec 2, 2025KVYOSell142,045$28.62$4.1MCEO
Nov 24, 2025KVYOSell144,717$27.76$4.0MCEO
Nov 18, 2025KVYOSell147,329$27.16$4.0MCEO
Nov 11, 2025KVYOSell140,464$29.74$4.2MCEO
Oct 14, 2025KVYOSell163,331$24.37$4.0MCEO
Oct 7, 2025KVYOSell144,890$25.32$3.7MCEO
Oct 7, 2025KVYOSell14,618$25.07$366KCEO
Sep 30, 2025KVYOSell6,048$30.28$183KCEO
Sep 30, 2025KVYOSell17,960$31.24$561KCEO
Sep 30, 2025KVYOSell44,672$29.03$1.3MCEO
Sep 30, 2025KVYOSell39,733$28.22$1.1MCEO
Sep 30, 2025KVYOSell28,811$27.70$798KCEO
Sep 23, 2025KVYOSell181,553$35.52$6.4MCEO
Sep 23, 2025KVYOSell29,805$35.01$1.0MCEO
Sep 16, 2025KVYOSell140,921$32.71$4.6MCEO
Sep 16, 2025KVYOSell85,461$31.76$2.7MCEO

Top Companies Traded

TICKERCOMPANYTRADESTOTAL VOLUME
KVYOKlaviyo, Inc.55$133.4M

Other insiders at Klaviyo, Inc.

6 other tracked filers at KVYO.

Whalen Amanda

CFO

19

Trades

Edmond Landon

Chief Legal Officer

10

Trades

Hallen Ed

Director

10

Trades

Rowland Stephen Eric

President

10

Trades

Summit Partners L PInstitutional

10%+ Owner

4

Trades

Galvin Carmel

Chief People Officer

3

Trades