Hyperfine COO awarded 330,000 restricted stock units

TEISSEYRE THOMAS reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

TEISSEYRE THOMAS reported acquisition or exercise transactions in this Form 4 filing.

Hyperfine, Inc. reported that Chief Operating Officer Dr. Thomas Teisseyre received an equity compensation grant of 330,000 shares of Class A Common Stock in the form of restricted stock units (RSUs). These RSUs carry no purchase price and increase his direct holdings to 684,648 shares.

The RSUs vest 25% on March 23, 2027, with the remaining 75% vesting in equal quarterly installments over the following three years, conditioned on his continued service. This structure is designed to retain the executive and align his incentives with long‑term company performance.

Insider Trade Summary

Grant/Award: 330,000 shares

Grant/Award 1 txn

Insider TEISSEYRE THOMAS

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock	330,000	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 684,648 shares (Direct)

Footnotes (1)

1. F1. Consist of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A common stock upon vesting. The RSUs vest 25% on March 23, 2027, with the remainder vesting in equal quarterly installments over the following three years, subject to Dr. Teisseyre's continued service through the applicable vesting date.

Key Figures

RSUs granted: 330,000 shares Vesting cliff: 25% on March 23, 2027 Remaining vesting period: 3 years of quarterly vesting +2 more

5 metrics

RSUs granted 330,000 shares Class A Common Stock RSU award to COO

Vesting cliff 25% on March 23, 2027 Initial vesting date for RSU grant

Remaining vesting period 3 years of quarterly vesting Balance of RSUs after March 23, 2027

Shares owned after grant 684,648 shares Total direct holdings following the RSU award

Grant price per RSU $0.0000 per share Stated acquisition price for the RSU award

Key Terms

restricted stock units, RSUs, vesting, continued service, +1 more

5 terms

restricted stock units financial

"Consist of restricted stock units ("RSUs"). Each RSU represents the right to receive one share"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

"Consist of restricted stock units ("RSUs"). Each RSU represents the right"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

vesting financial

"The RSUs vest 25% on March 23, 2027, with the remainder vesting in equal quarterly installments"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

continued service financial

"over the following three years, subject to Dr. Teisseyre's continued service through the applicable vesting date"

beneficially owns financial

"total_shares_following_transaction": "684648.0000""

Beneficially owns means a person or entity enjoys the economic benefits and control of a security even if the legal title or registration is held in another name. Think of it like having the keys and profits from a car that is registered to a friend: you use it, benefit from it, and make decisions about it even though the official paperwork lists someone else. For investors, this matters because it reveals who truly controls shares, affects voting power, potential conflicts of interest, and regulatory disclosure obligations.

FAQ

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

What insider transaction did Hyperfine (HYPR) report for its COO?

Hyperfine reported that Chief Operating Officer Dr. Thomas Teisseyre received a grant of 330,000 restricted stock units of Class A Common Stock. This equity award is compensation, not an open-market share purchase, and increases his direct holdings to 684,648 shares following the grant.

How many Hyperfine (HYPR) RSUs were granted to the COO and at what price?

Dr. Thomas Teisseyre was granted 330,000 restricted stock units of Hyperfine Class A Common Stock at a stated price of $0.0000 per share. This reflects a compensation award rather than a cash purchase, with each RSU representing the right to receive one share upon vesting.

What is the vesting schedule for the 330,000 Hyperfine (HYPR) RSUs?

The 330,000 RSUs granted to Hyperfine’s COO vest 25% on March 23, 2027. The remaining 75% vest in equal quarterly installments over the following three years, and each vesting event is contingent on Dr. Teisseyre’s continued service through the applicable vesting date.

How many Hyperfine (HYPR) shares does the COO hold after this Form 4 transaction?

After the reported RSU grant, Dr. Thomas Teisseyre beneficially owns 684,648 shares of Hyperfine Class A Common Stock directly. This total includes the newly awarded 330,000 restricted stock units that will convert into shares as they vest over time, subject to service conditions.

Is the Hyperfine (HYPR) COO’s RSU grant a market buy or a compensation award?

The Form 4 shows a compensation award, not a market purchase. The 330,000 Class A Common Stock RSUs were granted at a price of $0.0000 per share as part of Dr. Teisseyre’s equity compensation and vest over several years, subject to continued service requirements.

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

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Accepted by SEC EDGAR 04/01/2026 - 04:58 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^*

TEISSEYRE THOMAS

(Last) (First) (Middle)

C/O HYPERFINE, INC.

351 NEW WHITFIELD STREET

(Street)

GUILFORD CONNECTICUT 06437

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Hyperfine, Inc. [ HYPR ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/31/2026

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
Class A Common Stock	03/31/2026		A		330,000(1)	A	$0	684,648	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. Consist of restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Class A common stock upon vesting. The RSUs vest 25% on March 23, 2027, with the remainder vesting in equal quarterly installments over the following three years, subject to Dr. Teisseyre's continued service through the applicable vesting date.

	/s/ Brett Hale, Attorney-in-Fact	04/01/2026
	** 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)