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HeartBeam (BEAT): Strome group details 6.8% ownership and July–August share sales

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

HeartBeam, Inc. (BEAT) has an amended Schedule 13D filing from Mark E. Strome and affiliated entities regarding holdings of its common stock. Strome Mezzanine Fund II, LP purchased 750,000 shares in HeartBeam’s underwritten public offering of 12,500,000 shares at $0.80 per share, for a total of $600,000, funded with its own capital.

Following this and other positions, Mark E. Strome reports beneficial ownership of 3,764,200 shares, or 6.8% of HeartBeam’s common stock, based on 55,506,835 shares outstanding as of May 11, 2026. Strome Group, Inc., Strome Investment Management, LP and Strome Mezzanine Fund II, LP each report 3,650,000 shares, or 6.6%, with shared voting and dispositive power. The filing lists numerous recent open-market sales by the Fund between July 6 and August 12, 2026 at prices generally between $0.49 and $0.69 per share, which are noted as not yet reflected in the reported aggregate ownership figures.

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Mark E. Strome beneficial ownership 3,764,200 shares Beneficially owned, representing 6.8% of HeartBeam common stock
Strome entities beneficial ownership 3,650,000 shares Strome Group, Manager and Fund each, representing 6.6% of the class
Shares outstanding baseline 55,506,835 shares HeartBeam common stock outstanding as of May 11, 2026
Underwritten offering size 12,500,000 shares HeartBeam common stock offered in underwritten public offering
Offering price $0.80 per share Price of HeartBeam shares in underwritten public offering
Fund purchase amount $600,000 Strome Mezzanine Fund II purchase of 750,000 shares in the offering
underwritten public offering financial
"in connection with the issuer's underwritten public offering of 12,500,000 shares"
An underwritten public offering is when a company sells new shares of its stock to the public with the help of a financial firm, called an underwriter. The underwriter agrees to buy all the shares upfront, reducing the company's risk, and then sells them to investors. This process helps companies raise money quickly and confidently from a wide range of buyers.
sole bookrunner financial
"Titan Partners...acted as the sole bookrunner for the offering"
A sole bookrunner is the main organization responsible for managing and coordinating a financial offering, such as selling bonds or shares to investors. They handle tasks like setting the price, finding buyers, and ensuring the process runs smoothly, much like a conductor leading an orchestra. This role matters to investors because it signals who is overseeing the deal and can influence how smoothly the offering proceeds.
beneficially owned financial
"Aggregate amount beneficially owned by each reporting person 3,764,200.00"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
dispositive power financial
"Sole Dispositive Power 114,200.00 Shared Dispositive Power 3,650,000.00"
Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.
shared voting power financial
"Shared Voting Power 3,650,000.00"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

FAQ

What percentage of HeartBeam (BEAT) does Mark E. Strome report owning?

Mark E. Strome reports beneficial ownership of 3,764,200 shares of HeartBeam common stock, representing 6.8% of the company. This percentage is based on 55,506,835 shares outstanding as of May 11, 2026, as stated in the filing.

How many HeartBeam (BEAT) shares do the Strome entities collectively report?

Strome Group, Inc., Strome Investment Management, LP, and Strome Mezzanine Fund II, LP each report beneficial ownership of 3,650,000 shares, equal to 6.6% of HeartBeam’s common stock. These holdings carry shared voting and dispositive power according to the Schedule 13D/A.

What was the size and price of HeartBeam’s underwritten offering mentioned in this 13D/A?

The filing notes HeartBeam completed an underwritten public offering of 12,500,000 shares of common stock at $0.80 per share. Strome Mezzanine Fund II, LP purchased 750,000 shares in this offering for a total of $600,000 using its own funds.

What recent trading activity in HeartBeam (BEAT) shares did the Strome Fund report?

The Strome Fund lists a series of open-market sales between July 6 and August 12, 2026, at prices generally from about $0.49 to $0.69 per share. The filing states these trades are not reflected in the reported aggregate ownership totals.

On what share count is the Strome ownership percentage in HeartBeam (BEAT) based?

The reported ownership percentages are based on 55,506,835 shares of HeartBeam common stock outstanding. The filing specifies this share count is as of May 11, 2026, and uses it to calculate the 6.8% and 6.6% stakes.

Why did the Strome entities acquire HeartBeam (BEAT) shares according to the filing?

The reporting persons state they acquired HeartBeam common stock in the ordinary course of business for investment purposes. This applies both to the shares purchased in the underwritten offering and to other holdings referenced in the Schedule 13D/A.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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42238H108

(CUSIP Number)
Strome Group, Inc.
Attn: Mark E. Strome, 13535 Ventura Boulevard, Suite C-525
Sherman Oaks, CA, 91423
(310)850-9700

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
04/16/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




schemaVersion:


SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


STROME MARK E
Signature:/s/ Mark E. Strome
Name/Title:Mark E. Strome
Date:08/13/2026
STROME GROUP, INC.
Signature:/s/ Mark E. Strome
Name/Title:Mark E. Strome/President
Date:08/13/2026
STROME INVESTMENT MANAGEMENT LP
Signature:/s/ Mark E. Strome
Name/Title:Strome Group, Inc./General Partner of Strome Investment Management, LP
Date:08/13/2026
Signature:/s/ Mark E. Strome
Name/Title:Mark E. Strome/President of Strome Group, Inc.
Date:08/13/2026
Strome Mezzanine Fund II, LP
Signature:/s/ Mark E. Strome
Name/Title:Strome Investment Management, LP/General Partner of Strome Mezzanine Fund II, LP
Date:08/13/2026
Signature:/s/ Mark E. Strome
Name/Title:Strome Group, Inc./General Partner of Strome Investment Management, LP
Date:08/13/2026
Signature:/s/ Mark E. Strome
Name/Title:Mark E. Strome/President of Strome Group, Inc.
Date:08/13/2026