STOCK TITAN

Replimune (REPL) director tax-related sale covers RSU withholding

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

Replimune Group, Inc. director Philip Astley-Sparke reported an open-market sale of 17,657 shares of common stock at a weighted average price of $5.08 per share. The shares were sold under an irrevocable “sell to cover” provision to satisfy tax withholding on partially vesting RSUs and are described as non-discretionary.

The filing notes the trades occurred at prices ranging from $5.02 to $5.08 per share. Following this tax-related sale, Astley-Sparke directly holds 1,412,414 shares of Replimune common stock.

Positive

  • None.

Negative

  • None.
Insider Astley-Sparke Philip
Role null
Sold 17,657 shs ($90K)
Type Security Shares Price Value
Sale Common Stock 17,657 $5.08 $90K
Holdings After Transaction: Common Stock — 1,412,414 shares (Direct, null)
Footnotes (1)
  1. Represents shares of the Issuer's common stock (the "Shares") sold to cover tax withholding obligations in connection with the partial vesting of the Reporting Person's Restricted Stock Units ("RSU"). The transaction reported herein was made in accordance with the irrevocable "sell to cover" provision set forth in the award agreements under which the RSUs were granted and does not represent a discretionary sale by the Reporting Person. The price reported reflects a weighted average price of the Shares. The Shares were sold in multiple transactions at prices ranging from $5.02 to $5.08 per Share. The Reporting Person will provide to the Issuer, any security holder of the Issuer or the Securities Exchange Commission staff, upon request, information regarding the number of Shares sold at each price within the range.
Shares sold 17,657 shares Open-market sale on 2026-05-18 to cover RSU taxes
Weighted average sale price $5.08 per share Price for 17,657 Replimune common shares sold
Sale price range $5.02–$5.08 per share Multiple transactions within stated range
Shares held after transaction 1,412,414 shares Direct Replimune holdings following the sale
Restricted Stock Units financial
"in connection with the partial vesting of the Reporting Person's Restricted Stock Units ("RSU")"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
sell to cover financial
"made in accordance with the irrevocable "sell to cover" provision set forth in the award agreements"
Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.
weighted average price financial
"The price reported reflects a weighted average price of the Shares."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
open-market sale financial
"transaction_action": "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
SEC Form 4
FORM 4UNITED 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*
Astley-Sparke Philip

(Last)(First)(Middle)
C/O REPLIMUNE GROUP, INC.
500 UNICORN PARK DRIVE, SUITE 303

(Street)
WOBURN MASSACHUSETTS 01801

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Replimune Group, Inc. [ REPL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
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)
CodeVAmount(A) or (D)Price
Common Stock05/18/2026S17,657(1)D$5.08(2)1,412,414D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents shares of the Issuer's common stock (the "Shares") sold to cover tax withholding obligations in connection with the partial vesting of the Reporting Person's Restricted Stock Units ("RSU"). The transaction reported herein was made in accordance with the irrevocable "sell to cover" provision set forth in the award agreements under which the RSUs were granted and does not represent a discretionary sale by the Reporting Person.
2. The price reported reflects a weighted average price of the Shares. The Shares were sold in multiple transactions at prices ranging from $5.02 to $5.08 per Share. The Reporting Person will provide to the Issuer, any security holder of the Issuer or the Securities Exchange Commission staff, upon request, information regarding the number of Shares sold at each price within the range.
/s/ Shawn Glidden, attorney-in-fact05/20/2026
** Signature of Reporting PersonDate
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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Replimune (REPL) report for Philip Astley-Sparke?

Replimune reported that director Philip Astley-Sparke sold 17,657 common shares. The sale was executed under an irrevocable “sell to cover” provision to satisfy tax withholding obligations tied to the partial vesting of his Restricted Stock Units.

Was the REPL insider sale by Philip Astley-Sparke a discretionary trade?

No. The filing states the shares were sold to cover tax withholding obligations under an irrevocable “sell to cover” provision in the RSU award agreements and “does not represent a discretionary sale” by Philip Astley-Sparke, characterizing it as a mechanistic tax-related transaction.

At what price did Philip Astley-Sparke’s Replimune shares sell in this Form 4?

The filing reports a weighted average sale price of $5.08 per share. It further explains the 17,657 shares were sold in multiple transactions at prices ranging from $5.02 to $5.08 per share, with detailed trade breakdowns available upon request.

How many Replimune (REPL) shares does Philip Astley-Sparke hold after this transaction?

After the tax-related sale, Philip Astley-Sparke directly holds 1,412,414 shares of Replimune common stock. This post-transaction holding figure provides context for the scale of the 17,657 shares sold to cover his RSU-related tax obligations.

What is the purpose of the “sell to cover” provision mentioned in the Replimune Form 4?

The “sell to cover” provision automatically sells a portion of vested RSU shares to pay required tax withholding. In this case, Astley-Sparke’s sale of 17,657 shares was executed under such an irrevocable provision in his RSU award agreements, rather than as an elective market trade.