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TEISSEYRE THOMAS

Disclosed activity across 1 company

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19780
SEC CIK
0001985264

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
Hyperfine, Inc.HYPR · Entity 6865Chief Operating OfficerAugust 24, 2026August 25, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

Hyperfine, Inc.

Report date August 24, 2026 · Filed August 25, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Class A Common StockSEC Table I · non-derivativeDirect671,256 Reported balance After 2026-08-24 transaction · row 1
1 source row

Row 1 · 2026-08-24 · Sale · Disposed 7,345 · Balance 671,256

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.

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.

Filing footnotes · ownership attribution and instrument terms

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.

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.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 24, 2026 Filed Aug 25, 2026 20:15 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 7,345 $0.85 $6,272.63
Disclosure

SEC source: 0001193125-26-365147 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 671,256

F1 · shares: 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.

F2 · price: 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.

Read SEC document
May 26, 2026 Filed May 27, 2026 20:26 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 6,047 $1.65 $9,977.55
Disclosure

SEC source: 0001193125-26-241960 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 678,601

F1 · shares: 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.

F2 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $1.63 to $1.715 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.

Read SEC document
March 31, 2026 Filed Apr 1, 2026 20:58 UTC Hyperfine, Inc. HYPR · Entity 6865 GrantClass A Common Stock 330,000 $0.00 $0.00
Disclosure

SEC source: 0001193125-26-138144 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 684,648

F1 · shares: 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.

Read SEC document
March 23, 2026 Filed Mar 25, 2026 21:15 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 24,188 $1.21 $29,267.48
Disclosure

SEC source: 0001193125-26-124368 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 354,648

F1 · price: 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.

Read SEC document
February 13, 2026 Filed Feb 17, 2026 20:39 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 821 $1.11 $912.54
Disclosure

SEC source: 0001193125-26-054433 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 378,836

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
November 19, 2025 Filed Nov 20, 2025 00:07 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 1,405 $1.08 $1,517.40
Disclosure

SEC source: 0001193125-25-288507 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 379,657

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
August 18, 2025 Filed Aug 18, 2025 20:10 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 1,151 $1.33 $1,530.83
Disclosure

SEC source: 0000950170-25-109724 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 381,062

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
May 16, 2025 Filed May 16, 2025 22:30 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,776 $0.58 $1,610.08
Disclosure

SEC source: 0000950170-25-073807 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,213

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
March 31, 2025 Filed May 20, 2025 21:24 UTC Hyperfine, Inc. HYPR · Entity 6865 GrantClass A Common Stock 300,000 $0.00 $0.00
Disclosure

SEC source: 0000950170-25-075380 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 382,213

F1 · shares: Consists 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, 2026, with the remainder vesting in equal quarterly installment over the following three years, subject to the employee's continued service to the Company through the applicable vesting dates, subject to Dr. Teisseyre's continued service through the applicable vesting date.

Read SEC document
February 20, 2025 Filed Feb 20, 2025 22:23 UTC Amendment Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 3,238 $1.08 $3,497.04
Disclosure

SEC source: 0000950170-25-024316 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,989

F1 · price: The sales reported in this amended Form 4 were effected to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs") that were granted on March 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
February 18, 2025 Filed Feb 19, 2025 00:03 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 3,237 $1.20 $3,884.40
Disclosure

SEC source: 0000950170-25-022627 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 84,990

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
November 18, 2024 Filed Nov 18, 2024 22:41 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,800 $0.85 $2,380.00
Disclosure

SEC source: 0000950170-24-128110 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,227

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
August 16, 2024 Filed Aug 16, 2024 21:04 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,746 $1.05 $2,883.30
Disclosure

SEC source: 0000950170-24-098132 · ownership.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,027

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
May 16, 2024 Filed May 16, 2024 21:33 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,753 $0.88 $2,422.64
Disclosure

SEC source: 0001209191-24-005657 · doc4.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 93,773

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
March 28, 2024 Filed Mar 28, 2024 22:30 UTC Hyperfine, Inc. HYPR · Entity 6865 GrantStock Option (right to buy) · Derivative 500,000 $0.00 Strike: $1.00 $0.00
Disclosure

SEC source: 0001209191-24-005128 · doc4.xml · derivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Class A Common Stock · 500,000 shares

Expires 2034-03-28

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% on March 28, 2025, with the remainder vesting in 36 equal monthly installments thereafter, subject to Dr. Teisseyre's continued service through the applicable vesting date.

Read SEC document
February 16, 2024 Filed Feb 16, 2024 21:06 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 3,230 $1.11 $3,585.30
Disclosure

SEC source: 0001209191-24-003440 · doc4.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 96,526

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
November 16, 2023 Filed Nov 18, 2023 00:34 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,655 $1.26 $3,345.30
Disclosure

SEC source: 0001209191-23-055911 · doc4.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 99,756

F1 · price: 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 28, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
August 16, 2023 Filed Aug 17, 2023 20:45 UTC Hyperfine, Inc. HYPR · Entity 6865 SaleClass A Common Stock 2,785 $2.26 $6,294.10
Disclosure

SEC source: 0001209191-23-046315 · doc4.xml · nonDerivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,411

F1 · price: 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 29, 2022 and April 28, 2022 pursuant to a "sell to cover" provision included in the RSU Agreement.

Read SEC document
July 24, 2023 Filed Jul 24, 2023 20:13 UTC Hyperfine, Inc. HYPR · Entity 6865 GrantStock Option (right to buy) · Derivative 200,000 $0.00 Strike: $2.77 $0.00
Disclosure

SEC source: 0001209191-23-043193 · doc4.xml · derivative · entry 1

TEISSEYRE THOMAS · CIK 0001985264 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Class A Common Stock · 200,000 shares

Expires 2033-07-24

F1 · derivative.exercise_date: The shares underlying this option vest as to 25% of the shares on July 24, 2024, with the remainder vesting in 36 equal monthly installments thereafter, subject to Dr. Teisseyre's continued service through the applicable vesting date.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.