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Aclaris (ACRS) director Andrew Schiff reports RSU vesting and new stock option grant

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

Rhea-AI Filing Summary

Aclaris Therapeutics director Andrew N. Schiff reported routine equity compensation and an RSU vesting and conversion. On June 5, 2026, 11,580 restricted stock units vested and were converted into 11,580 shares of common stock, bringing his directly held common shares to 25,540.

On June 4, 2026, he received 10,987 new restricted stock units and a stock option for 42,350 shares at an exercise price of $4.71 per share, both granted under company equity plans. The option vests in twelve equal monthly installments starting July 4, 2026, and the new RSUs vest on June 4, 2027, subject to continuous service.

A separate indirect position of 434,455 common shares is held by Aisling Capital IV LP and related entities, over which Aisling GP, Aisling Partners, and their managers share voting and dispositive power. Dr. Schiff disclaims beneficial ownership of these Aisling-held shares except to the extent of his pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider SCHIFF ANDREW N
Role null
Type Security Shares Price Value
Exercise Restricted Stock Units 11,580 $0.00 --
Exercise Common Stock 11,580 $0.00 --
Grant/Award Stock Option (Right to Buy) 42,350 $0.00 --
Grant/Award Restricted Stock Units 10,987 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 25,540 shares (Direct, null); Stock Option (Right to Buy) — 42,350 shares (Direct, null); Common Stock — 434,455 shares (Indirect, By Aisling Capital IV LP)
Footnotes (1)
  1. Each restricted stock unit represents a contingent right to receive one share of common stock of the issuer. The reportable securities are owned directly by Aisling Capital IV, LP ("Aisling"), and held indirectly by Aisling Capital Partners IV, LP ("Aisling GP"), as general partner of Aisling, Aisling Capital Partners IV LLC ("Aisling Partners"), as general partner of Aisling GP, and each of the individual managing members of Aisling Partners. The individual managing members (collectively, the "Managers") of Aisling Partners are Dr. Andrew Schiff and Steve Elms. Aisling GP, Aisling Partners, and the Managers share voting and dispositive power over the shares directly held by Aisling. Dr. Schiff disclaims beneficial ownership of these securities and this report is not an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein. The shares subject to this stock option will vest in twelve equal monthly installments commencing on July 4, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2025 Equity Incentive Plan, or the Plan) through each such vesting date. This grant was made pursuant to the issuer's tenth amended and restated non-employee director compensation policy. The shares underlying these restricted stock units will vest in one installment on June 4, 2027, subject to the Reporting Person's Continuous Service (as defined in the Plan) as of such date. The shares underlying these restricted stock units vested on June 5, 2026.
RSUs converted to common 11,580 shares Restricted stock units vested and converted on June 5, 2026
Direct common shares after conversion 25,540 shares Common stock directly held following June 5, 2026 transaction
New RSU grant 10,987 units Restricted stock unit award on June 4, 2026
New stock option grant 42,350 options Stock option for common shares granted on June 4, 2026
Stock option exercise price $4.71 per share Exercise price for 42,350-share stock option grant
Indirect Aisling-held shares 434,455 shares Aclaris common stock held by Aisling Capital IV LP and affiliates
Option expiration date June 3, 2036 Expiration of 42,350-share stock option grant
restricted stock unit financial
"Each restricted stock unit represents a contingent right to receive one share of common stock"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
stock option financial
"The shares subject to this stock option will vest in twelve equal monthly installments"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
continuous service financial
"subject to the Reporting Person's Continuous Service as defined in the Issuer's 2025 Equity Incentive Plan"
beneficial ownership financial
"Dr. Schiff disclaims beneficial ownership of these 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.
voting and dispositive power financial
"share voting and dispositive power over the shares directly held by Aisling"
non-employee director compensation policy financial
"This grant was made pursuant to the issuer's tenth amended and restated non-employee director compensation policy"
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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*
SCHIFF ANDREW N

(Last)(First)(Middle)
C/O ACLARIS THERAPEUTICS, INC.
701 LEE ROAD, SUITE 103

(Street)
WAYNE PENNSYLVANIA 19087

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Aclaris Therapeutics, Inc. [ ACRS ]
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)
06/04/2026
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 Stock06/05/2026M11,580A(1)25,540D
Common Stock434,455IBy Aisling Capital IV LP(2)
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
Stock Option (Right to Buy)$4.7106/04/2026A42,350 (3)06/03/2036Common Stock42,350$042,350(4)D
Restricted Stock Units(1)06/04/2026A10,987 (5) (5)Common Stock10,987$010,987(4)D
Restricted Stock Units(1)06/05/2026M11,580 (6) (6)Common Stock11,580$00D
Explanation of Responses:
1. Each restricted stock unit represents a contingent right to receive one share of common stock of the issuer.
2. The reportable securities are owned directly by Aisling Capital IV, LP ("Aisling"), and held indirectly by Aisling Capital Partners IV, LP ("Aisling GP"), as general partner of Aisling, Aisling Capital Partners IV LLC ("Aisling Partners"), as general partner of Aisling GP, and each of the individual managing members of Aisling Partners. The individual managing members (collectively, the "Managers") of Aisling Partners are Dr. Andrew Schiff and Steve Elms. Aisling GP, Aisling Partners, and the Managers share voting and dispositive power over the shares directly held by Aisling. Dr. Schiff disclaims beneficial ownership of these securities and this report is not an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein.
3. The shares subject to this stock option will vest in twelve equal monthly installments commencing on July 4, 2026, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2025 Equity Incentive Plan, or the Plan) through each such vesting date.
4. This grant was made pursuant to the issuer's tenth amended and restated non-employee director compensation policy.
5. The shares underlying these restricted stock units will vest in one installment on June 4, 2027, subject to the Reporting Person's Continuous Service (as defined in the Plan) as of such date.
6. The shares underlying these restricted stock units vested on June 5, 2026.
/s/ Matthew Rothman, Attorney-in-Fact06/08/2026
** 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 equity awards did Aclaris (ACRS) director Andrew Schiff receive in this Form 4?

Andrew Schiff received 10,987 restricted stock units and a stock option for 42,350 shares at an exercise price of $4.71 per share, granted under Aclaris equity plans as non-employee director compensation.

What happened to Andrew Schiff’s existing Aclaris (ACRS) restricted stock units?

On June 5, 2026, 11,580 restricted stock units vested and converted into 11,580 Aclaris common shares. Following this RSU conversion, Schiff directly held 25,540 shares of Aclaris common stock, reflecting the newly issued shares from the vesting event.

How and when do Andrew Schiff’s new Aclaris (ACRS) stock options vest?

The 42,350-share stock option vests in twelve equal monthly installments starting July 4, 2026. Vesting continues monthly as long as Andrew Schiff remains in continuous service under Aclaris’s 2025 Equity Incentive Plan until the grant is fully vested.

When do Andrew Schiff’s new Aclaris (ACRS) restricted stock units vest?

The 10,987 new restricted stock units will vest in a single installment on June 4, 2027, provided Andrew Schiff remains in continuous service as defined in Aclaris’s 2025 Equity Incentive Plan at that vesting date.

What indirect Aclaris (ACRS) holdings are reported through Aisling Capital entities?

The filing reports 434,455 Aclaris common shares owned directly by Aisling Capital IV LP and held indirectly through Aisling GP and Aisling Partners. These entities and their managers share voting and dispositive power over the shares held by Aisling.

Does Andrew Schiff claim full beneficial ownership of Aisling’s Aclaris (ACRS) shares?

No. The filing states that Dr. Schiff disclaims beneficial ownership of Aclaris shares held by Aisling Capital IV LP and related entities, except to the extent of his pecuniary interest, and that he shares voting and dispositive power through those entities.