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Andrew Bialecki

MassachusettsTechnology
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AIProfile Summary

Andrew Bialecki is a Massachusetts technology entrepreneur, born in 1985, with an estimated net worth of ~$1.8B RTB. SEC records identify him as an insider connected to Klaviyo, Inc. (KVYO) SEC EDGAR.

Business & SEC Activity

Klaviyo, Inc. is the company associated with Bialecki in SEC records SEC EDGAR. His SEC record contains 42 filings, including 39 insider filings. Recent filings include Form 4 reports—which disclose insiders' transactions in company securities—and Form 144 notices, which are filings made before the proposed sale of restricted or control securities SEC EDGAR.

Political Activity

Federal election records show 24 contributions totaling $214.04 from December 18, 2021, through February 25, 2026. The reported party classification for the full $214.04 is Unknown; listed recipients include ActBlue ($196) and MoveOn.org Political Action ($18.04) FEC.

These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.

AI-generated summary from fec, gdelt, rtb, sec_edgar — 9/13/2026 (gpt-5.6-terra). All claims are derived from the source data shown below.

USU.S. Presence

residenceBoston, Massachusetts

FECPolitical Contributions

$214.04Total Contributed
24Contributions
2021–2026Date Range

By Party

Unknown
$214.04

Top Recipients

ACTBLUE$196
MOVEON.ORG POLITICAL ACTION$18.04

Matched by name only. These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.

Source: FEC — contribution filings · latest on record (retrieved 9/13/2026) (fec)Dispute

SECSEC Filings

42Total Filings
39Insider Filings
212EDGAR Mentions
0001991099Personal CIK

Associated Companies

Entities appearing alongside this person in SEC full-text search — an association, not necessarily ownership or control. Follow each link to the primary SEC record to judge for yourself.

Recent Insider Filings

4FORM 4
5/28/2026
144xsl144X01/primary_doc.xml
5/26/2026
4FORM 4
5/20/2026
4FORM 4
5/14/2026
4FORM 4
4/16/2026
4FORM 4
4/9/2026
144xsl144X01/primary_doc.xml
4/7/2026
4FORM 4
4/2/2026
4FORM 4
3/26/2026
4FORM 4
3/19/2026
Source: SEC EDGAR — regulatory filings · latest on record (retrieved 6/27/2026) (sec_derived)Dispute

SCOREGiving score

Not graded — insufficient data

We hold no charitable giving record for this person that we can count toward a score: no foundation filing we can tie to them and no sourced record of their direct giving. A gift reported elsewhere on this page, in the news or the summary, is not one we have recorded as a giving record yet. Without a record, a score would reflect how much data we hold about them and any Giving Pledge signature rather than recorded giving, so we do not give one. That says nothing about how much they give.

Know of a gift we are missing? Tell us and we will source it.

All data is sourced from public records. Each section links to its original source.

Andrew Bialecki — Not graded | Billionaire Army