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Valion Bio (VBIO) backer 3i builds 9.9% stake and urges CEO replacement

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D

Rhea-AI Filing Summary

Valion Bio, Inc. has a significant investor group led by 3i, LP, Tumim Stone Capital, LLC, 3i Management LLC and Maier J. Tarlow, which together report beneficial ownership of up to approximately 9.9 % of Valion Bio’s common stock, based on 4,407,364 shares outstanding. 3i, LP’s position includes 382,058 shares held directly and an additional 64,701 shares issuable from warrants, a senior secured convertible note and Series B and Series C preferred stock, all subject to a 9.99 % beneficial ownership limitation. Tumim Stone holds 49,242 shares, or 1.1 % of the common stock.

The investor group has provided substantial financing to Valion Bio through several instruments: a senior secured convertible note with an original principal amount of $16,253,147.10 and related warrants for up to 4,553,213 shares at $2.2310 per share; purchases of Series B and Series C preferred stock with associated warrants; and an equity line of credit allowing Valion Bio to sell up to $50,000,000 of common stock to Tumim Stone. As of July 28, 2026, the company has sold 129,000 shares to Tumim Stone under the equity line at an average price of $0.5355 per share, and Tumim Stone has resold 526,770 shares at an average price of $0.7104 per share. The investors describe their holdings as for investment but note they may engage with Valion Bio’s board and other shareholders and, in a July 29, 2026 letter, 3i, LP demanded the immediate removal of chief executive officer Michael Handley and the start of a search for his replacement.

Positive

  • None.

Negative

  • None.

Filing Explained

The investors have shifted to Schedule 13D and disclosed a CEO-removal demand, but no management change is reported as completed.

The Schedule 13D reports a July 28, 2026 event and amends the reporting persons’ prior Schedule 13G, placing the disclosure in the form used when a holder may seek to influence control rather than the passive-holder form.

The disclosed governance action is 3i’s demand that Valion Bio’s board immediately remove CEO Michael Handley and begin a search for a replacement.

That demand remains incomplete in this filing: it records the request, while stating that no other Item 4(a)–(j) plans currently exist and reserving the reporting persons’ right to change their position or formulate additional proposals.

The concrete resolution path is a board response to the July 29, 2026 letter or a later Schedule 13D amendment describing further plans or changes.

3i, LP beneficial ownership 446,759 shares (9.9 %) Beneficial ownership of Valion Bio common stock reported by 3i, LP
Tumim Stone ownership 49,242 shares (1.1 %) Beneficial ownership of Valion Bio common stock reported by Tumim Stone Capital, LLC
Shares outstanding baseline 4,407,364 shares Common stock outstanding used to calculate ownership percentages
Senior secured convertible note $16,253,147.10 Original principal amount issued to 3i, LP in December 2025
Note-related warrants 4,553,213 shares at $2.2310 Common stock purchase warrants issued with the senior secured convertible note
Series C investment by 3i, LP $6,000,000 Purchase of 6,000 Series C Preferred shares and 1,452,264 warrants at $2.2310
Equity line capacity $50,000,000 Maximum amount of common stock Valion Bio may sell to Tumim Stone
ELOC shares sold and resale pricing 129,000 at $0.5355; 526,770 at $0.7104 Shares sold by Valion Bio to Tumim Stone and resold by Tumim Stone as of July 28, 2026
beneficial ownership limitation regulatory
"which exercises are subject to a 9.99% beneficial ownership limitation provision"
A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.
senior secured convertible note financial
"conversions of a senior secured convertible note in the original principal amount"
A senior secured convertible note is a loan a company takes that is backed by specific assets and has first claim on repayment ahead of other creditors, but can also be exchanged for company shares under agreed conditions. For investors it signals higher priority if the company struggles (like a mortgage holder vs a general creditor) while also creating potential stock dilution if the loan is converted into equity, affecting value and recovery prospects.
Equity Line of Credit financial
"entered into a Common Stock Purchase Agreement (the "ELOC Purchase Agreement")"
An equity line of credit is a loan that allows homeowners to borrow money against the value of their property, similar to having a flexible credit card secured by their home. It matters to investors because it provides a way for property owners to access cash for various needs, which can influence real estate markets and overall economic activity. This type of credit offers ongoing borrowing capacity, making it a valuable financial tool for those with significant property equity.
Registration Rights Agreement regulatory
"entered into a Registration Rights Agreement, pursuant to which the Issuer agreed to file"
A registration rights agreement is a contract that gives investors the option to have their ownership stakes officially registered with the government, making it easier to sell their shares later. This agreement matters because it provides investors with a clearer path to cash out their investments if they choose, offering more liquidity and confidence in their ability to sell their holdings when desired.
Tranche Closing financial
"each, a "Tranche Closing") for an aggregate purchase price of up to $75,000,000"
pre-funded warrants financial
"excluding 437,012 shares of Common Stock issued to Tumin Stone upon exercises of the pre-funded warrants"
Pre-funded warrants are financial instruments that give investors the right to purchase a company's stock at a set price, but with most or all of the purchase price paid upfront. They function like a coupon or gift card for stock, allowing investors to buy shares later at a fixed price, which can be beneficial if they want to avoid future price increases. This makes them important for investors seeking flexibility and certainty in their investment plans.

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

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FAQ

What ownership stake in Valion Bio (VBIO) does 3i, LP report?

3i, LP reports beneficial ownership of up to 446,759 Valion Bio common shares, representing 9.9 % of the outstanding class, based on 4,407,364 shares outstanding including recent Series B conversions.

How much Valion Bio (VBIO) stock does Tumim Stone Capital hold?

Tumim Stone Capital, LLC reports beneficial ownership of 49,242 Valion Bio common shares, representing approximately 1.1 % of the company’s 4,407,364 outstanding common shares as of the reference date used in the disclosure.

What are the key terms of the senior secured convertible note held in Valion Bio (VBIO)?

Valion Bio issued a senior secured convertible note with an original principal amount of $16,253,147.10 to 3i, LP, together with warrants to purchase up to 4,553,213 common shares at an exercise price of $2.2310 per share.

How large is the equity line of credit Valion Bio (VBIO) has with Tumim Stone?

Under a Common Stock Purchase Agreement, Valion Bio may sell up to $50,000,000 of newly issued common stock to Tumim Stone. As of July 28, 2026, 129,000 shares have been sold at an average price of $0.5355 per share.

What activist action did 3i, LP take regarding Valion Bio (VBIO) management?

On July 28, 2026, 3i, LP delivered a letter dated July 29, 2026 to Valion Bio’s board of directors demanding the immediate removal of chief executive officer Michael Handley and the commencement of a search for his replacement.

What beneficial ownership limitations apply to 3i, LP’s Valion Bio (VBIO) securities?

Conversions or exercises of 3i, LP’s warrants, senior secured convertible note, Series B preferred stock and Series C preferred stock are each subject to a 9.99 % beneficial ownership limitation, restricting how many shares can be acquired at any time.





888705308

(CUSIP Number)
Maier J. Tarlow
2 Wooster Street, 2nd Floor,
New York, NY, 10013
(646) 845-0040

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
07/28/2026

(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).




schemaVersion:


SCHEDULE 13D




Comment for Type of Reporting Person:
As more fully described in Item 5 of this Statement on Schedule 13D (this "Schedule 13D"), such shares and percentage are based on 4,407,364 shares of common stock, par value $0.0001 per share, of the Issuer (the "Common Stock") outstanding, consisting of (a) 4,151,259 shares of Common Stock as of July 7, 2026 as disclosed in the definitive proxy statement filed by the Issuer with the U.S. Securities and Exchange Commission ("SEC") on July 17, 2026 (the "Proxy Statement"), plus (b) 256,105 shares of Common Stock issued to 3i, LP on July 19, 2026 pursuant to conversions of certain shares of Series B Preferred Stock (as defined below). Beneficial ownership consists of 382,058 shares of Common Stock directly held by 3i, LP and 64,701 shares of Common Stock issuable in any combination upon (i) exercises of certain common stock purchase warrants (the "Warrants") held directly by 3i, LP, which exercises are subject to a 9.99% beneficial ownership limitation provision (a "Blocker"), (ii) conversions of a senior secured convertible note in the original principal amount of $16,253,147.10 (the "Note") held directly by 3i, LP, which conversions are subject to a Blocker, (iii) conversions of shares of Series B Convertible Preferred Stock, par value $0.0001 per share, of the Issuer (the "Series B Preferred Stock") directly held by 3i, LP, which conversions are subject to a Blocker, and (iv) conversions of shares of Series C Convertible Preferred Stock, par value $0.0001 per share, of the Issuer (the "Series C Preferred Stock") directly held by the 3i, LP, which conversions are subject to a Blocker.


SCHEDULE 13D




Comment for Type of Reporting Person:
As more fully described in Item 5 of this Schedule 13D, such shares and percentage are based on 4,407,364 shares of Common Stock outstanding, consisting of (a) 4,151,259 shares of Common Stock as of July 7, 2026 as disclosed in the Proxy Statement, plus (b) 256,105 shares of Common Stock issued to 3i, LP on July 19, 2026 pursuant to conversions of certain shares of Series B Preferred Stock. Beneficial ownership consists of 49,242 shares of Common Stock directly held by Tumim Stone.


SCHEDULE 13D




Comment for Type of Reporting Person:
As more fully described in Item 5 of this Schedule 13D, such shares and percentage are based on 4,407,364 shares of Common Stock outstanding, consisting of (a) 4,151,259 shares of Common Stock as of July 7, 2026 as disclosed in the Proxy Statement, plus (b) 256,105 shares of Common Stock issued to 3i, LP on July 19, 2026 pursuant to conversions of certain shares of Series B Preferred Stock. Beneficial ownership consists of 431,300 shares of Common Stock indirectly held by the reporting person and 9,994 shares of Common Stock issuable in any combination upon (i) exercises of the Warrants indirectly held by the reporting person, which exercises are in each case subject to a Blocker, and (ii) conversions of the Note, shares of Series B Preferred Stock and shares of Series C Preferred Stock indirectly held by the reporting person, which conversions are in each case subject to a Blocker.


SCHEDULE 13D




Comment for Type of Reporting Person:
As more fully described in Item 5 of this Schedule 13D, such shares and percentage are based on 4,407,364 shares of Common Stock outstanding, consisting of (a) 4,151,259 shares of Common Stock as of July 7, 2026 as disclosed in the Proxy Statement, plus (b) 256,105 shares of Common Stock issued to 3i, LP on July 19, 2026 pursuant to conversions of certain shares of Series B Preferred Stock. Beneficial ownership consists of 431,300 shares of Common Stock indirectly held by the reporting person and 9,994 shares of Common Stock issuable in any combination upon (i) exercises of the Warrants indirectly held by the reporting person, which exercises are in each case subject to a Blocker, and (ii) conversions of the Note, shares of Series B Preferred Stock and shares of Series C Preferred Stock indirectly held by the reporting person, which conversions are in each case subject to a Blocker.


SCHEDULE 13D


3i, LP
Signature:/s/ Maier J. Tarlow
Name/Title:Maier J. Tarlow, manager of 3i Management LLC, general partner of 3i, LP
Date:08/03/2026
Tumim Stone Capital, LLC
Signature:/s/ Maier J. Tarlow
Name/Title:Maier J. Tarlow, manager of 3i Management LLC, manager of Tumim Stone Capital, LLC
Date:08/03/2026
3i Management LLC
Signature:/s/ Maier J. Tarlow
Name/Title:Maier J. Tarlow, Manager
Date:08/03/2026
Maier J. Tarlow
Signature:/s/ Maier J. Tarlow
Name/Title:Maier J. Tarlow
Date:08/03/2026