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RA Capital exercises 2,100,000 Vor Biopharma (VOR) pre-funded warrants

(Moderate)
(Neutral)
Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

RA Capital Management and affiliated entities report beneficial ownership of 12,937,855 shares of Vor Biopharma common stock, representing 19.9% of the class. The position includes common shares, common stock warrants, pre-funded warrants and stock options held for the benefit of RA Capital.

On July 16, 2026, the RA Capital Healthcare Fund exercised pre-funded warrants to purchase 2,100,000 shares at $0.002 per share on a cashless basis, resulting in 2,099,787 shares issued and 213 shares withheld to satisfy the exercise price. The pre-funded warrants contain a Beneficial Ownership Blocker that prevents exercises taking ownership above 19.99% of outstanding shares; the fund is currently limited to 12,937,855 shares.

The reported ownership percentage is calculated using 54,185,582 shares outstanding as of May 5, 2026, plus the 2,099,787 newly issued shares. Andrew Levin resigned from Vor Biopharma’s Board of Directors effective July 6, 2026.

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Beneficial ownership 12,937,855 shares Vor Biopharma common stock beneficially owned by the RA Capital reporting persons
Ownership percentage 19.9 % Percent of Vor Biopharma common stock class represented by the reported holdings
Pre-funded warrants exercised 2,100,000 shares at $0.002 per share Shares underlying pre-funded warrants exercised on July 16, 2026
Net shares issued from exercise 2,099,787 shares Vor Biopharma shares issued to the fund after cashless warrant exercise, with 213 shares withheld
Shares outstanding baseline 54,185,582 shares Vor Biopharma common shares outstanding as of May 5, 2026 used in ownership calculation
Pre-funded warrant capacity 7,900,000 shares Maximum Vor Biopharma shares exercisable under pre-funded warrants held by the fund
Common stock warrants 1,056,072 shares Vor Biopharma shares issuable upon exercise of Common Stock Warrants held by the fund
Pre-Funded Warrants financial
"pre-funded warrants (the "Pre-Funded Warrants" and, together with the Common"
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.
Pre-Funded Warrant Beneficial Ownership Blocker regulatory
"The Pre-Funded Warrants contain a provision (the "Pre-Funded Warrant Beneficial"
cashless basis financial
"The Fund exercised the Pre-Funded Warrants on a cashless basis, resulting in"
An agreement executed on a cashless basis lets a holder convert or exercise a security (like options, warrants, or conversion rights) without paying money upfront; instead the holder receives a smaller number of shares equal in value to what the cash would have purchased. Think of trading a coupon for fewer slices of a cake rather than handing over cash for the full slice. For investors, it affects how much ownership and dilution occur and avoids immediate cash outlays.
beneficial owner regulatory
"may be deemed a beneficial owner, for purposes of Section 13(d) of the Act"
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
Section 13(d) of the Act regulatory
"for purposes of Section 13(d) of the Act, of any securities of the Issuer"

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

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FAQ

What stake do RA Capital and affiliates report in Vor Biopharma (VOR)?

RA Capital and affiliated entities report beneficial ownership of 12,937,855 shares of Vor Biopharma common stock, representing 19.9% of the class. This total includes common shares, warrants and stock options that are exercisable or convertible within 60 days of the reporting date.

What warrant exercise involving Vor Biopharma (VOR) did RA Capital complete on July 16, 2026?

On July 16, 2026, the RA Capital Healthcare Fund exercised pre-funded warrants to purchase 2,100,000 shares of Vor Biopharma common stock at $0.002 per share. The cashless exercise led to 2,099,787 shares issued and 213 shares withheld to cover the aggregate exercise price.

How does the Pre-Funded Warrant Beneficial Ownership Blocker affect RA Capital’s VOR holdings?

The Pre-Funded Warrant Beneficial Ownership Blocker prevents the fund from exercising pre-funded warrants if doing so would push ownership above 19.99% of Vor Biopharma’s common stock. As a result, the fund is currently capped at beneficial ownership of 12,937,855 shares.

How many Vor Biopharma (VOR) shares were used to calculate RA Capital’s ownership percentage?

The ownership percentage is based on 54,185,582 shares of Vor Biopharma common stock outstanding as of May 5, 2026, plus 2,099,787 shares issued afterward upon the pre-funded warrant exercise and other securities exercisable within 60 days.

Which RA Capital representative resigned from Vor Biopharma (VOR)’s board and when?

Andrew Levin, affiliated with RA Capital, resigned from Vor Biopharma’s Board of Directors effective July 6, 2026. His departure is included in the updated purpose-of-transaction disclosure by the RA Capital reporting group.





929033207

(CUSIP Number)
Peter Kolchinsky
RA Capital Management, L.P., 200 Berkeley Street, 18th Floor
Boston, MA, 02116
617.778.2500

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
07/16/2026

(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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SCHEDULE 13D






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SCHEDULE 13D






SCHEDULE 13D


RA Capital Management, L.P.
Signature:/s/ Peter Kolchinsky
Name/Title:By Peter Kolchinsky, Manager
Date:07/21/2026
Peter Kolchinsky
Signature:/s/ Peter Kolchinsky
Name/Title:Peter Kolchinsky
Date:07/21/2026
Rajeev Shah
Signature:/s/ Rajeev Shah
Name/Title:Rajeev Shah
Date:07/21/2026
RA Capital Healthcare Fund, L.P.
Signature:/s/ Peter Kolchinsky
Name/Title:By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager
Date:07/21/2026