Andrew Bialecki Insider Trading Activity

Corporate InsiderCEO · CIK 1991099

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.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	—	+10.0%	73%	55
90 days	—	+16.8%	79%	52
120 days	—	+24.6%	92%	48

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

Price & Trades

Pro: Trade Markers

KVYO · Klaviyo, Inc.

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Recent Trades

Showing the 50 most recent of 55 disclosed trades.

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
May 19, 2026	KVYO	Sell	200,000	$14.88	$3.0M	−100.0%	CEO
May 12, 2026	KVYO	Sell	58,684	$14.97	$878K	−29.3%	CEO
May 12, 2026	KVYO	Sell	141,316	$14.46	$2.0M	−100.0%	CEO
Apr 14, 2026	KVYO	Sell	109,142	$17.39	$1.9M	−54.6%	CEO
Apr 14, 2026	KVYO	Sell	90,858	$16.94	$1.5M	−100.0%	CEO
Apr 7, 2026	KVYO	Sell	200,000	$18.63	$3.7M	−100.0%	CEO
Mar 31, 2026	KVYO	Sell	200,000	$19.42	$3.9M	−100.0%	CEO
Mar 24, 2026	KVYO	Sell	200,000	$18.17	$3.6M	−100.0%	CEO
Mar 17, 2026	KVYO	Sell	97,379	$19.60	$1.9M	−48.7%	CEO
Mar 17, 2026	KVYO	Sell	102,621	$19.15	$2.0M	−100.0%	CEO
Mar 10, 2026	KVYO	Sell	206,127	$19.96	$4.1M	−99.7%	CEO
Mar 10, 2026	KVYO	Sell	700	$19.34	$14K	−100.0%	CEO
Mar 3, 2026	KVYO	Sell	154,022	$18.86	$2.9M	−77.0%	CEO
Mar 3, 2026	KVYO	Sell	45,978	$17.90	$823K	−100.0%	CEO
Feb 24, 2026	KVYO	Sell	160,356	$16.86	$2.7M	−80.2%	CEO
Feb 24, 2026	KVYO	Sell	39,644	$16.38	$649K	−100.0%	CEO
Jan 27, 2026	KVYO	Sell	150,689	$25.34	$3.8M	−97.1%	CEO
Jan 27, 2026	KVYO	Sell	4,530	$24.94	$113K	−100.0%	CEO
Jan 20, 2026	KVYO	Sell	796	$23.29	$19K	−100.0%	CEO
Jan 20, 2026	KVYO	Sell	167,130	$24.16	$4.0M	−99.5%	CEO
Jan 13, 2026	KVYO	Sell	50,319	$27.62	$1.4M	−35.8%	CEO
Jan 13, 2026	KVYO	Sell	90,327	$27.29	$2.5M	−100.0%	CEO
Jan 7, 2026	KVYO	Sell	16,649	$30.01	$500K	−100.0%	CEO
Jan 6, 2026	KVYO	Sell	135,122	$28.92	$3.9M	−98.3%	CEO
Jan 6, 2026	KVYO	Sell	2,382	$28.52	$68K	−100.0%	CEO
Dec 22, 2025	KVYO	Sell	93,066	$33.05	$3.1M	−93.1%	CEO
Dec 22, 2025	KVYO	Sell	6,934	$31.94	$221K	−100.0%	CEO
Dec 17, 2025	KVYO	Sell	100,000	$30.40	$3.0M	−100.0%	CEO
Dec 16, 2025	KVYO	Sell	138,648	$29.04	$4.0M	−100.0%	CEO
Dec 11, 2025	KVYO	Sell	17,777	$30.00	$533K	−100.0%	CEO
Dec 10, 2025	KVYO	Sell	82,223	$30.12	$2.5M	−100.0%	CEO
Dec 9, 2025	KVYO	Sell	800	$28.84	$23K	−100.0%	CEO
Dec 9, 2025	KVYO	Sell	130,562	$29.42	$3.8M	−99.4%	CEO
Dec 4, 2025	KVYO	Sell	952	$30.00	$29K	−100.0%	CEO
Dec 2, 2025	KVYO	Sell	142,045	$28.62	$4.1M	−100.0%	CEO
Nov 24, 2025	KVYO	Sell	144,717	$27.76	$4.0M	−100.0%	CEO
Nov 18, 2025	KVYO	Sell	147,329	$27.16	$4.0M	−100.0%	CEO
Nov 11, 2025	KVYO	Sell	140,464	$29.74	$4.2M	−100.0%	CEO
Oct 14, 2025	KVYO	Sell	163,331	$24.37	$4.0M	−100.0%	CEO
Oct 7, 2025	KVYO	Sell	144,890	$25.32	$3.7M	−90.8%	CEO
Oct 7, 2025	KVYO	Sell	14,618	$25.07	$366K	−100.0%	CEO
Sep 30, 2025	KVYO	Sell	6,048	$30.28	$183K	−5.1%	CEO
Sep 30, 2025	KVYO	Sell	17,960	$31.24	$561K	−13.1%	CEO
Sep 30, 2025	KVYO	Sell	44,672	$29.03	$1.3M	−39.5%	CEO
Sep 30, 2025	KVYO	Sell	39,733	$28.22	$1.1M	−58.0%	CEO
Sep 30, 2025	KVYO	Sell	28,811	$27.70	$798K	−100.0%	CEO
Sep 23, 2025	KVYO	Sell	181,553	$35.52	$6.4M	−85.9%	CEO
Sep 23, 2025	KVYO	Sell	29,805	$35.01	$1.0M	−100.0%	CEO
Sep 16, 2025	KVYO	Sell	140,921	$32.71	$4.6M	−62.2%	CEO
Sep 16, 2025	KVYO	Sell	85,461	$31.76	$2.7M	−100.0%	CEO