HeartBeam director-linked entities buy 750K shares

HeartBeam, Inc. director-associated entities acquired 750,000 shares of common stock at $0.80 per share in an underwritten public offering of 12,500,000 shares.

Rhea-AI Filing Summary

HeartBeam, Inc. director-associated entities acquired 750,000 shares of common stock at $0.80 per share in an underwritten public offering of 12,500,000 shares. The purchase was an open-market style transaction tied to the offering that priced on April 14, 2026 and closed on April 16, 2026.

The shares are held by Strome Mezzanine Fund II, LP, the Mark E. Strome Living Trust and Strome Dynasty, LLC. Following this transaction, entities associated with director Mark E. Strome hold 3,650,000 shares of HeartBeam common stock indirectly. Mr. Strome has voting and disposal authority but disclaims beneficial ownership beyond his pecuniary interest.

Insider Trade Summary

Net Buyer: 750,000 shares

Net Buy 1 txn

Insider STROME MARK E

Role Director

Bought 750,000 shs ($600K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	750,000	$0.80	$600K

Holdings After Transaction: Common Stock — 3,650,000 shares (Indirect, See Footnote)

Footnotes (2)

1. F1. These shares were purchased in connection with the Registrant's underwritten public offering of 12,500,000 shares of common stock. Titan Partners, a division of American Capital Partners, acted as the sole bookrunner for the offering, which priced on April 14, 2026, and closed on April 16, 2026.
2. F2. The reported securities are held directly by Strome Mezzanine Fund II, LP, Mark E. Strome Living Trust and Strome Dynasty, LLC. Mr. Strome has the authority to vote and dispose of the reported securities held by each of these entities. Mr. Strome disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein. This report shall not be deemed an admission that Mr. Strome is a beneficial owner of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

Key Figures

Shares purchased: 750,000 shares Purchase price: $0.80 per share Indirect holdings after trade: 3,650,000 shares +2 more

5 metrics

Shares purchased 750,000 shares Open-market purchase on April 16, 2026

Purchase price $0.80 per share Price paid for HeartBeam common stock

Indirect holdings after trade 3,650,000 shares Total indirect HeartBeam shares held after transaction

Underwritten offering size 12,500,000 shares HeartBeam public offering connected to the purchase

Transaction date April 16, 2026 Closing date of offering and share purchase

Key Terms

underwritten public offering, sole bookrunner, beneficial ownership, pecuniary interest, +1 more

5 terms

underwritten public offering financial

"These shares were purchased in connection with the Registrant'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, a division of American Capital 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.

beneficial ownership financial

"Mr. Strome disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein"

Section 16 of the Securities Exchange Act of 1934 regulatory

"beneficial owner of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934"

A provision of federal securities law that requires company insiders—directors, officers and large shareholders—to publicly report their stock holdings and trades and to surrender any “short-swing” profits from purchases and sales within a six-month window. It acts like a rule that forces leaders to announce their trades and prevents quick buy-sell windfalls, giving investors transparency into insider activity and reducing opportunities for unfair gain.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did HeartBeam (BEAT) insider-related entities do in this Form 4?

Entities associated with director Mark E. Strome bought 750,000 HeartBeam shares at $0.80 each. The purchase occurred in connection with an underwritten public offering that priced April 14, 2026 and closed April 16, 2026.

How many HeartBeam (BEAT) shares were purchased and at what price?

The entities purchased 750,000 shares of HeartBeam common stock at $0.80 per share. This open-market style transaction was executed as part of a broader underwritten public offering of 12,500,000 shares.

What is the total indirect HeartBeam (BEAT) holding after this transaction?

After the transaction, entities linked to Mark E. Strome hold 3,650,000 HeartBeam shares indirectly. These holdings are spread across Strome Mezzanine Fund II, a living trust, and Strome Dynasty, LLC, with Mr. Strome having voting and disposal authority.

Was the HeartBeam (BEAT) share purchase part of a larger offering?

Yes. The 750,000 shares were bought in connection with HeartBeam’s underwritten public offering of 12,500,000 shares. Titan Partners, a division of American Capital Partners, served as sole bookrunner for this offering.

Who executed the HeartBeam (BEAT) share purchase reported in the Form 4?

The reported securities are held by Strome Mezzanine Fund II, LP, the Mark E. Strome Living Trust and Strome Dynasty, LLC. Director Mark E. Strome oversees voting and disposal but disclaims beneficial ownership beyond his pecuniary interest.

Does Mark E. Strome claim full beneficial ownership of these HeartBeam (BEAT) shares?

No. Mark E. Strome disclaims beneficial ownership of the reported HeartBeam securities, except to the extent of his pecuniary interest. The shares are owned by affiliated entities for which he has voting and disposal authority.

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

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Accepted by SEC EDGAR 04/16/2026 - 08:46 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

STROME MARK E

(Last) (First) (Middle)

2118 WALSH AVE, SUITE 210

(Street)

SANTA CLARA CALIFORNIA 95050

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
HeartBeam, Inc. [ BEAT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/16/2026		P		750,000(1)	A	$0.8	3,650,000	I	See Footnote(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were purchased in connection with the Registrant's underwritten public offering of 12,500,000 shares of common stock. Titan Partners, a division of American Capital Partners, acted as the sole bookrunner for the offering, which priced on April 14, 2026, and closed on April 16, 2026.

2. The reported securities are held directly by Strome Mezzanine Fund II, LP, Mark E. Strome Living Trust and Strome Dynasty, LLC. Mr. Strome has the authority to vote and dispose of the reported securities held by each of these entities. Mr. Strome disclaims beneficial ownership of the reported securities, except to the extent of his pecuniary interest therein. This report shall not be deemed an admission that Mr. Strome is a beneficial owner of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	/s/ Mark E. Strome	04/16/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)