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OraSure gets new 6.4% investor group stake

OraSure Technologies, Inc. (OSUR) has attracted a new shareholder group led by Islet Management and Yorkville-affiliated funds, which together report beneficial ownership of 4,408,634 common shares, or about 6.4% of the outstanding stock.

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D

Rhea-AI Filing Summary

OraSure Technologies, Inc. (OSUR) has attracted a new shareholder group led by Islet Management and Yorkville-affiliated funds, which together report beneficial ownership of 4,408,634 common shares, or about 6.4% of the outstanding stock. Islet Management holds 490,000 shares (approximately 0.7%), acquired for about $1.68 million, while YA II PN, Ltd. and related Yorkville entities hold 3,918,634 shares (approximately 5.7%), acquired for about $15.32 million. These percentages are based on 68,968,627 shares outstanding as of July 31, 2026.

The investors state they view OraSure’s shares as undervalued and have formed a Group Agreement to work together to “enhance stockholder value,” including potentially nominating directors for the Issuer’s 2027 annual meeting and discussing changes to capital allocation, capitalization, ownership structure (including a possible sale of the company in whole or in parts), and Board composition. Islet Management has also entered into cash-settled total return swaps referencing an additional 500,000 notional shares (about 0.7%), which provide economic exposure but no voting or dispositive power.

Positive

  • None.

Negative

  • None.

Filing Explained

The group agreement entered on September 11, 2026 requires advance notice and pre-clearance for certain securities transactions and joint approval of SEC filings and communications; potential nominations for the 2027 annual meeting remain under discussion.

Islet shares owned 490,000 shares Beneficially owned by Islet Management, about 0.7% of outstanding shares
Yorkville shares owned via YA II 3,918,634 shares Beneficially owned directly by YA II PN, Ltd., about 5.7% of outstanding shares
Group aggregate ownership 4,408,634 shares Total shares deemed beneficially owned by the reporting group, about 6.4% of outstanding
Shares outstanding 68,968,627 shares OraSure common shares outstanding as of July 31, 2026
Islet purchase cost $1,682,891 Aggregate purchase price for Islet’s 490,000 shares, including commissions
YA II purchase cost $15,317,013 Aggregate purchase price for YA II’s 3,918,634 shares, including commissions
Swap notional exposure 500,000 shares Notional shares referenced by Islet’s cash-settled total return swaps, about 0.7% of outstanding
Group Agreement date September 11, 2026 Date Yorkville and Islet entered into Group Agreement regarding OraSure
beneficially own financial
"The aggregate percentage of Shares reported beneficially owned by each person"
Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.
Group Agreement financial
"members of Yorkville and Islet entered into a Group Agreement"
cash-settled total return swap agreements financial
"Islet Management has entered into certain cash-settled total return swap agreements"
economic exposure financial
"which provide economic exposure to an aggregate of 500,000 notional Shares"
Economic exposure is the degree to which a company’s future cash flows and overall value can change because of shifts in broad economic forces—most commonly currency rates, interest rates, or inflation. Think of a business as a sailboat whose speed and direction can be pushed off course by changing winds; investors care because greater exposure means more uncertainty in earnings and valuation, influencing risk assessment and hedging choices.
stockholder value financial
"the Group agreed to work together to enhance stockholder value at the Issuer"
dispositive power financial
"do not provide the power to vote or direct the voting or dispose of"
Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

FAQ

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

How much of OraSure Technologies (OSUR) do Islet and Yorkville now own?

The investor group led by Islet Management and Yorkville reports beneficial ownership of 4,408,634 shares of OraSure Technologies common stock, representing approximately 6.4% of the 68,968,627 shares outstanding as of July 31, 2026.

What are the individual stakes of Islet Management and YA II PN, Ltd. in OSUR?

Islet Management reports beneficial ownership of 490,000 OraSure shares, about 0.7% of outstanding shares. YA II PN, Ltd. reports beneficial ownership of 3,918,634 shares, about 5.7% of outstanding shares, with related Yorkville entities deemed to share that ownership.

How much did the investor group pay for their OSUR shares?

Islet Management reports an aggregate purchase price of approximately $1,682,891 for its 490,000 shares. YA II PN, Ltd. reports an aggregate purchase price of approximately $15,317,013 for its 3,918,634 shares, both figures including brokerage commissions.

What are Islet and Yorkville planning to do at OraSure Technologies (OSUR)?

The investors state they believe OraSure shares are undervalued and plan to work together to enhance stockholder value, potentially including nominating directors for the 2027 annual meeting and discussing changes to capital allocation, capitalization, ownership structure, and Board composition.

Did the investor group enter into any formal agreement regarding OSUR?

Yes. On September 11, 2026, members of Yorkville and Islet entered into a Group Agreement covering coordinated SEC reporting, working together to enhance stockholder value, possible director nominations in 2027, trading pre-clearance requirements, and joint approval of related communications.

Does Islet have additional economic exposure to OSUR through derivatives?

Yes. Islet Management has entered into cash-settled total return swap agreements referencing an aggregate of 500,000 notional OraSure shares, about 0.7% of outstanding shares. These swaps provide economic exposure but no voting or dispositive power over the referenced shares.

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

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68554V108

(CUSIP Number)
Islet Management, LP
590 Madison Avenue, 27th Floor,
New York, NY, 10022
212-381-1990


Stephen M. Leitzell, Esq.
Dechert LLP, Cira Centre, 2929 Arch Street
Philadelphia, PA, 19104
215-994-4000


Andrew Freedman, Esq.
Olshan Frome Wolosky LLP, 1325 Avenue of the Americas
New York, NY, 10019
212-451-2300

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
09/14/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




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Islet Management, LP
Signature:/s/ Rebecca Waldman
Name/Title:General Counsel
Date:09/17/2026
Samuels, Joseph Aron
Signature:/s/ Joseph Samuels
Name/Title:General Counsel
Date:09/17/2026
YA II PN, Ltd.
Signature:/s/ David Gonzalez
Name/Title:General Counsel
Date:09/17/2026
YA Global Investments II (U.S.), LP
Signature:/s/ David Gonzalez
Name/Title:General Counsel
Date:09/17/2026
Yorkville Advisors Global, LP
Signature:/s/ David Gonzalez
Name/Title:General Counsel
Date:09/17/2026
Yorkville Advisors Global II, LLC
Signature:/s/ David Gonzalez
Name/Title:General Counsel
Date:09/17/2026
YAII GP, LP
Signature:Gonzalez/s/ David
Name/Title:General Counsel
Date:09/17/2026
YAII GP II, LLC
Signature:Gonzalez/s/ David
Name/Title:General Counsel
Date:09/17/2026
ANGELO, MARK
Signature:/s/ Mark Angelo
Name/Title:Authorized Person
Date:09/17/2026

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