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  4. [Form 4] Vor Biopharma Inc. Insider Trading Activity

Vor Biopharma insiders disclose weighted‑avg share sales via RA Capital

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Vor Biopharma (VOR) insiders affiliated with RA Capital reported open‑market sales of common stock on 10/20/2025 and 10/21/2025. Transactions included 70,366 shares at a weighted average price of $29.63 (range $29.045–$30.025), 6,553 shares at $30.12 (range $30.05–$30.26), and 25,027 shares at $28.11 (range $28.00–$28.475) held indirectly by the RA Capital Healthcare Fund. The RA Capital Nexus Fund sold 13,817 shares at $29.63 and 1,287 shares at $30.12.

Following these transactions, the Healthcare Fund beneficially owned 1,401,226 shares indirectly; the Nexus Fund held 0 shares. The filing was made by more than one reporting person. Reporting persons are noted as Director and 10% Owner and disclaim beneficial ownership except to the extent of pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider RA CAPITAL MANAGEMENT, L.P., RA Capital Healthcare Fund LP, RA Capital Nexus Fund, L.P., Kolchinsky Peter, Shah Rajeev M.
Role Director, 10% Owner | Director, 10% Owner | Director | Director, 10% Owner | Director, 10% Owner
Sold 117,050 shs ($3.43M)
Type Security Shares Price Value
Sale Common Stock 25,027 $28.11 $704K
Sale Common Stock 70,366 $29.63 $2.08M
Sale Common Stock 13,817 $29.63 $409K
Sale Common Stock 6,553 $30.12 $197K
Sale Common Stock 1,287 $30.12 $39K
Holdings After Transaction: Common Stock — 1,401,226 shares (Indirect, See footnotes)
Footnotes (1)
  1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.045 to $30.025 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund, L.P. (the "Nexus 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, the Nexus 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. Held directly by the Fund. Held directly by the Nexus Fund. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.05 to $30.26 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.475 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Form 4 Insider Transactions: What Each Field Means →
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 MA 02116
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Vor Biopharma Inc. [ VOR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
10/20/2025
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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 10/20/2025 S 70,366 D $29.63(1) 1,432,806 I See footnotes(2)(3)
Common Stock 10/20/2025 S 13,817 D $29.63(1) 1,287 I See footnotes(2)(4)
Common Stock 10/20/2025 S 6,553 D $30.12(5) 1,426,253 I See footnotes(2)(3)
Common Stock 10/20/2025 S 1,287 D $30.12(5) 0 I See footnotes(2)(4)
Common Stock 10/21/2025 S 25,027 D $28.11(6) 1,401,226 I See footnotes(2)(3)
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
1. Name and Address of Reporting Person*
RA CAPITAL MANAGEMENT, L.P.
(Last) (First) (Middle)
200 BERKELEY STREET 18TH FLOOR
(Street)
BOSTON MA 02116
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X 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 MA 02116
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
RA Capital Nexus Fund, L.P.
(Last) (First) (Middle)
200 BERKELEY STREET, 18TH FLOOR
(Street)
BOSTON MA 02116
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director 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 MA 02116
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X 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 MA 02116
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.045 to $30.025 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
2. RA Capital Management, L.P. (the "Adviser") is the investment manager for RA Capital Healthcare Fund, L.P. (the "Fund") and RA Capital Nexus Fund, L.P. (the "Nexus 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, the Nexus 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.
3. Held directly by the Fund.
4. Held directly by the Nexus Fund.
5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.05 to $30.26 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
6. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.475 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Remarks:
Ms. Sarah Reed, General Counsel of the Adviser, serves on the Issuer's board of directors.
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. 10/22/2025
/s/ Peter Kolchinsky, Manager of RA Capital Healthcare GP, LLC, the General Partner of RA Capital Healthcare Fund, L.P. 10/22/2025
/s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund GP, LLC the General Partner of RA Capital Nexus Fund, L.P. 10/22/2025
/s/ Peter Kolchinsky, individually 10/22/2025
/s/ Rajeev Shah, individually 10/22/2025
** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did VOR report on Form 4?

Affiliates of RA Capital reported open‑market sales of Vor Biopharma common stock on 10/20/2025 and 10/21/2025 at weighted average prices within disclosed ranges.

What prices were the VOR shares sold at?

Weighted average prices included $29.63 (range $29.045–$30.025), $30.12 (range $30.05–$30.26), and $28.11 (range $28.00–$28.475).

How many VOR shares remain beneficially owned after the sales?

The RA Capital Healthcare Fund beneficially owned 1,401,226 shares indirectly after the reported transactions; the RA Capital Nexus Fund held 0.

Who filed the Form 4 for VOR?

More than one reporting person, including RA Capital entities and individuals. They are listed as Director and 10% Owner and disclaim beneficial ownership except for pecuniary interest.

Were the VOR sales made by a director or 10% owner?

Yes. The reporting persons indicated roles as Director and 10% Owner.

Do the reported prices represent single trades?

No. Each reported price is a weighted average across multiple trades within the stated price ranges.