Vor Biopharma: Andrew Levin exercises 500 options

Shares received on exercise are to be turned over to the Fund’s adviser to offset advisory fees owed by the Fund.

Rhea-AI Filing Summary

Vor Biopharma Inc. (VOR) reported that an option granted to Andrew Levin under its non-employee director compensation policy, and held for the benefit of RA Capital Healthcare Fund, L.P., was exercised on October 2, 2026. The exercise covered 500 options at an exercise price of $12.80 per share, yielding 500 common shares. Levin is obligated to turn the shares over to the Fund’s adviser, RA Capital Management, L.P., to offset advisory fees owed by the Fund; the reported option position after exercise was 0 shares.

Insider Trade Summary

500 shares exercised/converted

Exercise 3 txns

Insider RA CAPITAL MANAGEMENT, L.P., RA Capital Healthcare Fund LP, Kolchinsky Peter, Shah Rajeev M.

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner

Type	Security	Shares	Price	Value
Exercise	Stock Option (Right to Buy) F5, F1, F2	500	$0.00	$0.00
Exercise	Common Stock F1, F2	500	$12.80	$6K
holding	Common Stock F3, F1, F4	--	--	--

Holdings After Transaction: Stock Option (Right to Buy) — 0 contracts (Indirect, See Footnotes); Common Stock — 4,503,882 shares (Indirect, See footnotes)

Footnotes (5)

1. F1. RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, Dr. Kolchinsky and Mr. Shah disclaims beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein.
2. F2. This option was granted to Andrew Levin pursuant to the Issuer's non-employee director compensation policy. Under Dr. Levin's arrangement with the Adviser, Dr. Levin held the option for the benefit of the Fund. Dr. Levin is obligated to turn over to the Adviser any stock received upon exercise of the option, which will offset advisory fees owed by the Fund to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.
3. F3. The shares held by the Fund prior to the transactions reported herein reflect the receipt of shares previously held by the Adviser to offset advisory fees owed by the Fund to the Adviser. The receipt of such shares by the Fund constituted a change in form of ownership and, therefore, was not required to be reported pursuant to Section 16.
4. F4. Held directly by the Fund.
5. F5. Immediately exercisable.

Key Figures

Options exercised: 500 options Common shares received: 500 shares Exercise price: $12.80 per share +1 more

4 metrics

Options exercised 500 options Exercised on October 2, 2026

Common shares received 500 shares Received upon option exercise on October 2, 2026

Exercise price $12.80 per share For the option exercised on October 2, 2026

Option position following exercise 0 shares Reported following the October 2, 2026 exercise

Key Terms

immediately exercisable, beneficial ownership, pecuniary interest, non-employee director compensation policy

4 terms

immediately exercisable financial

"Immediately exercisable."

beneficial ownership financial

"disclaims beneficial ownership of any of the reported securities"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"except to the extent of its or his respective pecuniary interest therein"

non-employee director compensation policy technical

"pursuant to the Issuer's non-employee director compensation policy"

FAQ

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

How many VOR shares resulted from the option exercise?

Andrew Levin exercised an option for 500 VOR common shares on October 2, 2026, at an exercise price of $12.80 per share. He held the option for the benefit of RA Capital Healthcare Fund, L.P.; the shares received are to be turned over to RA Capital Management, L.P. to offset advisory fees owed by the Fund.

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

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Available on EDGAR 10/05/2026 - 06:53 PM Accepted by SEC EDGAR 10/05/2026 - 06:52 PM 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^*

RA CAPITAL MANAGEMENT, L.P.

(Last) (First) (Middle)

200 BERKELEY STREET 18TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Vor Biopharma Inc. [ VOR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/02/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

	Form filed by One Reporting Person
X	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
Common Stock	10/02/2026		M		500	A	$12.8	500	I	See footnotes(1)(2)
Common Stock								4,503,382(3)	I	See footnotes(1)(4)

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
Stock Option (Right to Buy)	$12.8	10/02/2026		M			500	(5)	10/06/2026	Common Stock	500	$0	0	I	See Footnotes(1)(2)

1. Name and Address of Reporting Person^*

RA CAPITAL MANAGEMENT, L.P.

(Last) (First) (Middle)

200 BERKELEY STREET 18TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

RA Capital Healthcare Fund LP

(Last) (First) (Middle)

200 BERKELEY STREET, 18TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Kolchinsky Peter

(Last) (First) (Middle)

C/O RA CAPITAL MANAGEMENT, L.P.

200 BERKELEY STREET, 18TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

1. Name and Address of Reporting Person^*

Shah Rajeev M.

(Last) (First) (Middle)

C/O RA CAPITAL MANAGEMENT, L.P.

200 BERKELEY STREET, 18TH FLOOR

(Street)

BOSTON MASSACHUSETTS 02116

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

Explanation of Responses:

1. RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. Each of the Adviser, the Adviser GP, the Fund, Dr. Kolchinsky and Mr. Shah disclaims beneficial ownership of any of the reported securities, except to the extent of its or his respective pecuniary interest therein.

2. This option was granted to Andrew Levin pursuant to the Issuer's non-employee director compensation policy. Under Dr. Levin's arrangement with the Adviser, Dr. Levin held the option for the benefit of the Fund. Dr. Levin is obligated to turn over to the Adviser any stock received upon exercise of the option, which will offset advisory fees owed by the Fund to the Adviser. The Reporting Persons therefore disclaim beneficial ownership of the option and underlying common stock.

3. The shares held by the Fund prior to the transactions reported herein reflect the receipt of shares previously held by the Adviser to offset advisory fees owed by the Fund to the Adviser. The receipt of such shares by the Fund constituted a change in form of ownership and, therefore, was not required to be reported pursuant to Section 16.

4. Held directly by the Fund.

5. Immediately exercisable.

	/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.	10/05/2026
	/s/ Peter Kolchinsky, Manager of RA Capital Healthcare GP, LLC, the General Partner of RA Capital Healthcare Fund, L.P.	10/05/2026
	/s/ Peter Kolchinsky, individually	10/05/2026
	/s/ Rajeev Shah, individually	10/05/2026
	** 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.
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* Form 4: SEC 1474 (03-26)