Director-linked entity buys 31,250 HeartBeam (NASDAQ: BEAT) shares

Rhea-AI Filing Summary

HeartBeam, Inc. director-associated entity Open Book Healthcare purchased 31,250 shares of common stock in an open-market transaction on April 16, 2026, at $0.80 per share. The purchase was made 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. Following this transaction, 31,250 shares are held indirectly for the benefit of Michael R. Jaff through Open Book Healthcare.

Insider Trade Summary

Net Buyer: 31,250 shares ($25,000)

Net Buy 1 txn

Insider JAFF MICHAEL R

Role Director

Bought 31,250 shs ($25K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	31,250	$0.80	$25K

Holdings After Transaction: Common Stock — 31,250 shares (Indirect, See Footnote)

Footnotes (1)

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. The shares are indirectly held by the Reporting Person under the entity Open Book Healthcare.

Key Figures

Insider shares purchased: 31,250 shares Purchase price: $0.80 per share Post-transaction holdings: 31,250 shares +3 more

6 metrics

Insider shares purchased 31,250 shares Open-market purchase on April 16, 2026

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

Post-transaction holdings 31,250 shares Indirectly held via Open Book Healthcare

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

Offering pricing date April 14, 2026 Date the underwritten offering was priced

Offering closing date April 16, 2026 Date the underwritten offering closed

Key Terms

underwritten public offering, open-market purchase, indirectly held, sole bookrunner

4 terms

underwritten public offering financial

"These shares were purchased in connection with the Registrant's underwritten public offering of 12,500,000 shares of common stock."

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.

open-market purchase financial

"transaction_action": "open-market purchase""

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.

indirectly held financial

"The shares are indirectly held by the Reporting Person under the entity Open Book Healthcare."

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.

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^*

JAFF MICHAEL R

(Last) (First) (Middle)

2118 WALSH AVENUE, 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		31,250(1)	A	$0.8	31,250	I(2)	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 shares are indirectly held by the Reporting Person under the entity Open Book Healthcare.

	/s/ Michael R. Jaff	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) report in this Form 4?

HeartBeam reported that an entity associated with director Michael R. Jaff, Open Book Healthcare, bought 31,250 HeartBeam common shares. The open-market purchase occurred on April 16, 2026, at $0.80 per share and is held indirectly for Jaff’s benefit.

At what price were the HeartBeam (BEAT) shares purchased in this insider trade?

The shares tied to director Michael R. Jaff were purchased at $0.80 per share. The transaction involved 31,250 common shares acquired on April 16, 2026, and is reported as an open-market purchase held indirectly through the entity Open Book Healthcare.

How many HeartBeam (BEAT) shares does the reporting person hold after this transaction?

After the reported transaction, 31,250 HeartBeam common shares are held indirectly for Michael R. Jaff. These shares are owned through Open Book Healthcare, which is identified in the filing as the entity that holds the position on his behalf.

How is the insider purchase related to HeartBeam’s recent stock offering?

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

Who executed the underwritten public offering for HeartBeam (BEAT)?

Titan Partners, a division of American Capital Partners, acted as sole bookrunner for HeartBeam’s underwritten public offering. The offering covered 12,500,000 common shares, priced on April 14, 2026, and closed on April 16, 2026, according to the filing footnotes.