James Loerop - 31 Dec 2025 Form 4 Insider Report for Aclaris Therapeutics, Inc. (ACRS)

Signature
/s/ Matthew Rothman, Attorney-in-Fact
Issuer symbol
ACRS
Transactions as of
31 Dec 2025
Net transactions value
-$120,094
Form type
4
Filing time
05 Jan 2026, 16:30:13 UTC
Previous filing
03 Feb 2026
Next filing
05 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Loerop James Chief Business Officer C/O ACLARIS THERAPEUTICS, INC., 701 LEE ROAD, SUITE 103, WAYNE /s/ Matthew Rothman, Attorney-in-Fact 05 Jan 2026 0001781549

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACRS Common Stock Options Exercise +73,750 +71% 177,056 31 Dec 2025 Direct F1
transaction ACRS Common Stock Tax liability $102,322 -33,994 -19% $3.01 143,062 31 Dec 2025 Direct F2
transaction ACRS Common Stock Options Exercise +18,150 +13% 161,212 02 Jan 2026 Direct F1
transaction ACRS Common Stock Tax liability $17,772 -6,171 -3.8% $2.88 155,041 02 Jan 2026 Direct F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ACRS Restricted Stock Units Options Exercise $0 -73,750 -100% $0.000000 0 31 Dec 2025 Common Stock 73,750 Direct F1, F3
transaction ACRS Restricted Stock Units Options Exercise $0 -18,150 -49% $0.000000 18,700 02 Jan 2026 Common Stock 18,150 Direct F1, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer.
F2 The transaction reported represents the withholding of shares by the issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting and settlement of restricted stock units described in this Form 4.
F3 50% of the shares underlying these restricted stock units vested on each of December 31, 2024 and December 31, 2025.
F4 The shares underlying these restricted stock units vest as to 33% on January 2, 2025, 33% on January 2, 2026, and 34% on January 2, 2027, subject to the Continuous Service (as defined in the Plan) of the Reporting Person as of each such date.