Director Willem Elfrink buys 187,500 HeartBeam (NASDAQ: BEAT) shares in offering

Rhea-AI Filing Summary

HeartBeam, Inc. director Willem Elfrink reported an open-market purchase of common stock. On April 16, 2026, he bought 187,500 shares at $0.80 per share, bringing his direct holdings to 538,667 shares.

According to the footnote, these shares were purchased in connection with HeartBeam’s underwritten public offering of 12,500,000 shares of common stock, which priced on April 14, 2026 and closed on April 16, 2026, with Titan Partners acting as sole bookrunner.

Insider Trade Summary

Net Buyer: 187,500 shares ($150,000)

Net Buy 1 txn

Insider Elfrink Willem

Role Director

Bought 187,500 shs ($150K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	187,500	$0.80	$150K

Holdings After Transaction: Common Stock — 538,667 shares (Direct)

Footnotes (1)

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Key Figures

Shares purchased: 187,500 shares Purchase price: $0.80 per share Holdings after transaction: 538,667 shares +3 more

6 metrics

Shares purchased 187,500 shares Open-market purchase on April 16, 2026

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

Holdings after transaction 538,667 shares Director Willem Elfrink’s direct ownership after purchase

Public offering size 12,500,000 shares HeartBeam underwritten public offering of common stock

Pricing date April 14, 2026 Date the underwritten offering priced

Closing date April 16, 2026 Date the underwritten offering closed

Key Terms

open-market purchase, underwritten public offering, sole bookrunner, common stock

4 terms

open-market purchase financial

"reported an open-market purchase of common stock"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

underwritten public offering financial

"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 ... 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.

common stock financial

"underwritten public offering of 12,500,000 shares of common stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

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^*

Elfrink Willem

(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		187,500(1)	A	$0.8	538,667	D

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.

	/s/ ElfrinkWillem	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)

FAQ

What insider transaction did HeartBeam (BEAT) director Willem Elfrink report?

Director Willem Elfrink reported an open-market purchase of 187,500 HeartBeam shares. The transaction occurred on April 16, 2026 at a price of $0.80 per share, increasing his direct ownership position in the company’s common stock.

At what price did HeartBeam (BEAT) shares trade in Willem Elfrink’s Form 4 purchase?

The reported purchase price was $0.80 per HeartBeam share. Elfrink acquired 187,500 shares at this price on April 16, 2026, reflecting an open-market transaction that was tied to the company’s concurrent underwritten public offering of common stock.

How many HeartBeam (BEAT) shares does Willem Elfrink hold after this transaction?

Following the reported purchase, Willem Elfrink directly holds 538,667 HeartBeam common shares. This total reflects the addition of 187,500 shares bought on April 16, 2026, as disclosed in the Form 4 insider trading report filed with regulators.

How is Willem Elfrink’s purchase related to HeartBeam (BEAT)’s public offering?

The footnote states the shares were bought in connection with HeartBeam’s underwritten public offering of 12,500,000 shares. That offering priced on April 14, 2026 and closed on April 16, 2026, the same date as Elfrink’s reported purchase.

Who managed HeartBeam (BEAT)’s underwritten public offering mentioned in the Form 4?

Titan Partners, a division of American Capital Partners, acted as the sole bookrunner. The offering covered 12,500,000 HeartBeam common shares, was priced on April 14, 2026, and closed on April 16, 2026, when Willem Elfrink’s insider purchase occurred.