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HeartBeam, Inc.

BEAT
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001779372

No open-market purchases or sales by HeartBeam, Inc. insiders were filed in the last 90 days; 41 institutions reported holding it in 13F filings for Q2 2026, worth $6.08M in total; no superinvestor holds it.

Other share classesBEATW

Holders of 5% or more of BEAT

Holders whose latest Schedule 13D or 13G filing reports 5% or more of HeartBeam, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of BEAT
HolderLatest formStakeChangeFirst filedLatest filingFiling
Strome Mark E13D/A6.80%3.76M shares–Oct 25, 20232 filingsAug 13, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

10 Schedule 13D and 13G filings on HeartBeam, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on BEAT
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 13, 20264:30 PM ETStrome Mark Eand 3 others13D/A6.80%3.76M shares–Apr 16, 2026SEC
Oct 25, 2023Strome Mark E13DOld format–New–SEC
Aug 28, 2023Public Ventures, LLC13DOld format–New–SEC
Jun 2, 2023Schwartzberg Andrew13DOld format–New–SEC
Feb 13, 2023Ionic Ventures, LLC13G/AOld format–––SEC
Jan 10, 2023Sabby Management, LLC13G/AOld format–––SEC
Feb 3, 2022Ionic Ventures, LLC13G/AOld format–––SEC
Jan 5, 2022Sabby Management, LLC13G/AOld format–––SEC
Nov 17, 2021Sabby Management, LLC13GOld format–New–SEC
Nov 16, 2021Ionic Ventures, LLC13GOld format–New–SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell HeartBeam, Inc. shares.

No Form 144 notices for HeartBeam, Inc. are on file.