ACRS

Aclaris Therapeutics, Inc.

Pharmaceutical PreparationsNasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

38

Buys

9

Sells

26

Largest Trade

N/A

Insiders

9

Institutional Funds

89

Inst. Value

$1M+

Activist Filings

47

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Mehra AnandDirectorBUY$1M+667K$2.25Nov 20, 2024
Leonard Braden Michael10% OwnerBUY$100K–$500K274K$1.31Jul 31, 2024
Leonard Braden Michael10% OwnerBUY$1M+1.5M$1.13Jul 1, 2024
Leonard Braden Michael10% OwnerBUY$500K+545K$1.15Jun 18, 2024
Leonard Braden Michael10% OwnerBUY$1M+1.6M$1.11Jun 13, 2024
Monahan JosephChief Scientific O…SELL$15K–$50K6K$5.08Oct 25, 2023
Balthaser KevinCFOBUY$50K–$100K9K$7.90Sep 7, 2023
Loerop JamesChief Business Off…BUY$50K–$100K15K$6.80Aug 28, 2023
Monahan JosephChief Scientific O…SELL$15K–$50K6K$7.32Aug 22, 2023
Monahan JosephChief Scientific O…SELL$50K–$100K6K$10.28Jun 22, 2023
Manion Douglas J.Pres and CEOBUY$15K–$50K6K$7.86Mar 17, 2023
Manion Douglas J.Pres and CEOBUY$50K–$100K7K$7.74Mar 9, 2023
Walker NealDirectorSELL$500K+59K$12.50Mar 4, 2023
Walker NealDirectorEXERCISEN/A157KMar 4, 2023
Monahan JosephChief Scientific O…EXERCISEN/A87KMar 4, 2023
Monahan JosephChief Scientific O…SELL$100K–$500K31K$12.51Mar 4, 2023
Balthaser KevinCFOSELL$15K–$50K2K$12.45Mar 4, 2023
Balthaser KevinCFOEXERCISEN/A6KMar 4, 2023
Monahan JosephChief Scientific O…SELL$50K–$100K5K$13.06Feb 17, 2023
Loerop JamesChief Business Off…SELL$50K–$100K4K$13.89Feb 10, 2023
Walker NealDirectorSELL$100K–$500K30K$16.66Feb 3, 2023
Walker NealDirectorSELL$500K+40K$15.11Jan 4, 2023
Monahan JosephChief Scientific O…SELL$50K–$100K5K$15.88Dec 16, 2022
SCHIFF ANDREW NDirectorSELL$500K+54K$17.05Nov 14, 2022
SCHIFF ANDREW NDirectorSELL$500K+41K$17.01Oct 26, 2022
SCHIFF ANDREW NDirectorSELL$500K+52K$16.57Oct 19, 2022
Monahan JosephChief Scientific O…SELL$50K–$100K5K$15.98Oct 19, 2022
SCHIFF ANDREW NDirectorSELL$100K–$500K7K$16.16Oct 11, 2022
SCHIFF ANDREW NDirectorSELL$500K+46K$16.45Oct 6, 2022
SCHIFF ANDREW NDirectorSELL$100K–$500K20K$15.14Jun 21, 2022
Walker NealPresident and CEOSELL$1M+70K$15.15Apr 25, 2022
Monahan JosephChief Scientific O…SELL$100K–$500K30K$16.28Apr 20, 2022
Walker NealPresident and CEOSELL$500K+56K$15.91Mar 14, 2022
Ruffo FrankCFOSELL$100K–$500K13K$15.55Mar 14, 2022
Monahan JosephChief Scientific O…SELL$100K–$500K27K$15.71Mar 14, 2022
Monahan JosephChief Scientific O…SELL$1K–$15K383$12.68Feb 11, 2022
Ruffo FrankCFOSELL$15K–$50K1K$12.66Feb 11, 2022
Walker NealPresident and CEOSELL$15K–$50K4K$12.66Feb 11, 2022
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

BML Investment Partners, L.P.

SC 13G/A · Feb 9, 2026

11.9%

14.3M shares

BlackRock, Inc.

SC 13G/A · Jan 21, 2026

6.2%

6.7M shares

Biosion, Inc.

SC 13G/A · Jan 9, 2026

9.4%

11.3M shares

Adage Capital Management, L.P.

SC 13G/A · Nov 13, 2025

4.9%

5.3M shares

The Vanguard Group

SC 13G · Jul 29, 2025

6.2%

6.7M shares

Millennium Management LLC

SC 13G/A · Jul 24, 2025

3.5%

3.8M shares

BlackRock, Inc.

SC 13G · Jul 17, 2025

5.1%

5.5M shares

Rock Springs Capital Management LP

SC 13G/A · May 15, 2025

4.7%

5.0M shares

Adage Capital Management, L.P.

SC 13G/A · May 12, 2025

7.6%

8.2M shares

Millennium Management LLC

SC 13G · May 5, 2025

5.1%

5.5M shares

The Vanguard Group

SC 13G/A · Apr 30, 2025

4.6%

5.0M shares

BML Investment Partners, L.P.

SC 13G/A · Feb 13, 2025

13.3%

14.3M shares

Adage Capital Management, L.P.

SC 13G · Feb 12, 2025

9.0%

9.6M shares

Biosion, Inc.

SC 13G · Nov 25, 2024

9.5%

11.3M shares

6.3%

6.8M shares

7.4%

8.0M shares

Citadel Advisors LLC

SC 13G/A · Nov 14, 2024

0.3%

6 shares

Millennium Management LLC

SC 13G/A · Oct 9, 2024

4.2%

3.0M shares

BlackRock, Inc.

SC 13G/A · Jul 8, 2024

2.9%

2.0M shares

0.0%

0 shares

RA Capital Management, L.P.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2024

6.1%

6 shares

Millennium Management LLC

SC 13G · Feb 14, 2024

5.3%

3.8M shares

TANG CAPITAL PARTNERS, LP

SC 13G/A · Feb 14, 2024

2.5%

1.8M shares

Rock Springs Capital Management LP

SC 13G/A · Feb 14, 2024

4.2%

3.0M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

The Vanguard Group - 23-1945930

SC 13G · Feb 13, 2024

6.7%

4.7M shares

0.0%

0 shares

Millennium Management LLC

SC 13G/A · Feb 1, 2024

4.9%

3.5M shares

BlackRock, Inc.

SC 13G/A · Jan 25, 2024

8.3%

5.9M shares

BML Investment Partners, L.P.

SC 13G · Jan 16, 2024

6.4%

4.5M shares

Millennium Management LLC

SC 13G · Dec 11, 2023

5.1%

3.6M shares

Wellington Management Group LLP

SC 13G/A · Dec 11, 2023

0.0%

0 shares

TANG CAPITAL PARTNERS, LP

SC 13G · Nov 24, 2023

6.1%

4.3M shares

Citadel Advisors LLC

SC 13G · Sep 5, 2023

4.7%

6 shares

Wellington Management Group LLP

SC 13G/A · Apr 10, 2023

11.1%

7.4M shares

Biotechnology Value Fund, L.P.

SC 13G · Mar 16, 2023

2.7%

1.8M shares

Rock Springs Capital Management LP

SC 13G/A · Feb 14, 2023

5.9%

4.0M shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 14, 2023

2.6%

1.7M shares

4.2%

2.8M shares

BlackRock, Inc.

SC 13G/A · Jan 31, 2023

7.6%

5.1M shares

RA Capital Management, L.P.

SC 13G · Apr 25, 2022

7.1%

4.4M shares

Rock Springs Capital Management LP

SC 13G/A · Feb 14, 2022

6.3%

3.9M shares

7.5%

4.6M shares

0.0%

0 shares

2.7%

1.7M shares

Biotechnology Value Fund, L.P.

SC 13G · Jan 24, 2022

3.4%

2.1M shares

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