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Company profile

Aclaris Therapeutics, Inc. Insider Trading

ACRS

Every SEC Form 4 insider trading filing for Aclaris Therapeutics, Inc. (ACRS) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
CIK
0001557746
Filings
114
Insiders
18
Last filing
2026-08-01
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No insider transactions in the last 30 days. The most recent was on August 1, 2026, when Roland Wilhelm Kolbeck bought 36,375 shares. 114 filings from 18 insiders are on record below.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Aclaris Therapeutics, Inc. insiders are net buyers across the period shown.

PurchasesSales
Q4 23Q1 24$4.0MQ2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $4.0M.

90 day insight

Over the last 90 days, Aclaris Therapeutics, Inc. insiders bought $0 (2 transactions) and sold $64K (1 transaction).

  • Most active insider: Roland Wilhelm Kolbeck with 3 transactions totaling $64K.
  • Largest single sale: $64K by Roland Wilhelm Kolbeck on Aug 1, 2026.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Aug 1, 2026Roland Wilhelm KolbeckACRS
Option Exercise
36,375——+3.3% 1m
Aug 1, 2026Roland Wilhelm KolbeckACRS
Tax Withholding
12,385$5.20$64K+3.3% 1m
Aug 1, 2026Roland Wilhelm KolbeckACRS
Option Exercise
36,375——+3.3% 1m
Jun 5, 2026William D. HumphriesACRS
Option Exercise
11,580——+39.0% 3m
Jun 5, 2026William D. HumphriesACRS
Option Exercise
11,580——+39.0% 3m

45 more transactions hidden

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Top insiders

By total value filed.

Braden Michael Leonard1 filing−$1.4M
Neal WalkerInterim President and CEO1 filing−$65K
Roland Wilhelm KolbeckChief Scientific Officer1 filing−$64K
Jesse Wayne HallChief Medical Officer1 filing−$41K
Kevin BalthaserChief Financial Officer2 filings−$24K

Institutional Ownership

Top 13F-HR holders of Aclaris Therapeutics, Inc. as of 2026-06-30

↓ decreasing
Total reported AUM
$159.0M
QoQ change
-59.6%
Reporting period
2026-06-30
#1
BML Capital Management, LLC
CIK 0001616824
$63.3M
12.0M shares
#2
BlackRock, Inc.
CIK 0002012383
$30.3M
5.7M shares
#3
State Street Corp
CIK 0000093751
$17.2M
3.3M shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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