Hyperfine COO sells 7,345 shares to cover taxes

Hyperfine, Inc. (HYPR) reported that Chief Operating Officer Thomas Teisseyre sold 7,345 shares of Class A Common Stock on August 24, 2026 at a weighted average price of about $0.854 per share.

Rhea-AI Filing Summary

Hyperfine, Inc. (HYPR) reported that Chief Operating Officer Thomas Teisseyre sold 7,345 shares of Class A Common Stock on August 24, 2026 at a weighted average price of about $0.854 per share. The company states these sales were made solely to cover tax withholding obligations upon vesting of RSUs granted on March 31, 2025 under a "sell to cover" provision. Following this transaction, Teisseyre directly holds 671,256 shares of Hyperfine Class A Common Stock.

Insider Trade Summary

Net Seller: 7,345 shares

Net Sell 1 txn

Insider TEISSEYRE THOMAS

Role Chief Operating Officer

Sold 7,345 shs ($6K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	7,345	$0.854	$6K

Holdings After Transaction: Class A Common Stock — 671,256 shares (Direct)

Footnotes (2)

1. F1. The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on March 31, 2025 pursuant to a "sell to cover" provision included in the RSU Agreement.
2. F2. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.854 to $0.868 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

Key Figures

Shares sold: 7,345 shares Weighted average sales price: $0.854 per share Sale price range: $0.854 to $0.868 per share +1 more

4 metrics

Shares sold 7,345 shares Class A Common Stock sold on August 24, 2026 to cover tax withholding

Weighted average sales price $0.854 per share Weighted average price for the reported sale transaction

Sale price range $0.854 to $0.868 per share Range of prices at which the reported shares were sold

Shares owned after transaction 671,256 shares Direct holdings of Class A Common Stock by Thomas Teisseyre after the sale

Key Terms

restricted stock units, sell to cover, weighted average sales price, tax withholding obligations

4 terms

restricted stock units financial

"in connection with the vesting of restricted stock units ("RSUs")"

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.

sell to cover financial

"pursuant to a "sell to cover" provision included in the RSU Agreement"

Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.

weighted average sales price financial

"Represents the weighted average sales price per share."

tax withholding obligations financial

"effected to cover tax withholding obligations in connection with the vesting"

FAQ

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

What insider transaction did HYPR disclose for Thomas Teisseyre?

Hyperfine, Inc. disclosed that Chief Operating Officer Thomas Teisseyre sold 7,345 shares of Class A Common Stock on August 24, 2026 at a weighted average price of about $0.854 per share, in a sale reported as covering tax withholding obligations on vested RSUs.

Why did Hyperfine (HYPR) COO Thomas Teisseyre sell 7,345 shares?

The sales of 7,345 shares were effected to cover tax withholding obligations related to the vesting of restricted stock units granted on March 31, 2025, pursuant to a "sell to cover" provision in the RSU Agreement.

What is Thomas Teisseyre’s remaining Hyperfine (HYPR) share ownership after this Form 4 transaction?

After the reported sale, Chief Operating Officer Thomas Teisseyre directly holds 671,256 shares of Hyperfine, Inc. Class A Common Stock, according to the Form 4.

At what prices were the Hyperfine (HYPR) shares sold by Thomas Teisseyre?

The Form 4 reports a weighted average sales price of $0.854 per share. The footnote states that the shares were sold in a price range from $0.854 to $0.868 per share.

Were the Hyperfine (HYPR) insider sales made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirmative plan transaction, and the footnotes describe the sales as occurring under a "sell to cover" provision to satisfy tax withholding on vested RSUs.

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

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Available on EDGAR 08/25/2026 - 04:15 PM EDT Accepted by SEC EDGAR 08/25/2026 - 04:15 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)
08/24/2026

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	08/24/2026		S		7,345(1)	D	$0.854(2)	671,256	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. The sales reported in this Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on March 31, 2025 pursuant to a "sell to cover" provision included in the RSU Agreement.

2. Represents the weighted average sales price per share. The shares sold at prices ranging from $0.854 to $0.868 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

	/s/ Brett Hale, Attorney-in-Fact	08/25/2026
	** 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)