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Aclaris Therapeutics, Inc.

ACRS Net selling
CIK 0001557746 #2604 in the set updated 17 Sep 2026
Bought (120 mo)
$14.84M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$82.89M
$136.02K on a plan · $2.91M straight out of an exercise
Sold at will
$79.84M
89 of 111 sales
Net
−$68.05M
−$65.00M against sales at will

By person

29 insiders · 162 transactions
11.3×

Neal Walker holds 11.3 times base salary in stock. $6.99M of shares against $615.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Neal Walker last reported holding, valued at $4.53, the price Common Stock was last bought or sold at on the open market here, on 23 Apr 2026.

Insider
Role
Bought
Sold
Net
Holding
Worth
Change
VIVO VENTURES VII, LLC entity
10% owner
$34.01M (10)
−$34.01M
2,858,569
$12.95M
−31.8%
Mehra Anand
Director
$5.50M (2)
$21.19M (1)
−$15.69M
4,177,456
$18.92M
+9.1%
Flynn James E
10% owner
$7.74M (14)
−$7.74M
4,123,266
$18.68M
−30.0%
Walker Neal
CEO
$167.50K (1)
$5.37M (18)
−$5.20M
1,543,886
$6.99M
+77.1%
Leonard Braden Michael
10% owner
$5.59M (21)
$1.36M (1)
+$4.23M
13,950,000
$63.19M
+48.5%
Ali-Jackson Kamil
Chief Legal Officer
$3.20M (22) scheduled
−$3.20M
160,214
$725.77K
+110.9%
Ruffo Frank
Chief Financial Officer
$43.51K (2)
$2.85M (9)
−$2.81M
201,883
$914.53K
+41.5%
Monahan Joseph
Chief Scientific Officer
$2.14M (13)
−$2.14M
265,855
$1.20M
+363.8%
Gordon David N.
Chief Medical Officer
$1.19M (5)
−$1.19M
147,447
$667.93K
SCHIFF ANDREW N
Director
$2.50M (1)
$3.65M (12)
−$1.15M
1,094,450
$4.96M
−5.7%
Tullman Stephen A.
Director
$739.79K (4)
+$739.79K
571,471
$2.59M
−6.3%
Manion Douglas J.
Pres and CEO
$99.81K (2)
+$99.81K
41,813
$189.41K
FMR LLC entity
See Remark 1
$82.26K (2)
−$82.26K
4,506,831
$20.42M
−13.9%
Balthaser Kevin
Chief Financial Officer
$74.97K (1)
$23.58K (2) scheduled
+$51.39K
187,453
$849.16K
+26,679%
Loerop James
Chief Business Officer
$99.96K (1)
$59.27K (1)
+$40.69K
192,260
$870.94K
+402.5%
Molineaux Christopher P.
Director
$38.00K (1)
−$38.00K
69,536
$315.00K
Powell Andrew Kenneth William
Director
$27.52K (3)
+$27.52K
33,523
$151.86K
Powala Christopher
Chief Reg & Develop Officer
272,163
$1.23M
+4.3%
Shanler Stuart
Chief Scientific Officer
272,047
$1.23M
+4.3%
Davis Hugh M.
President and COO
45,425
$205.78K
Humphries William D.
Director
45,105
$204.33K
GOWEN MAXINE
Director
33,334
$151.00K
MILANO VINCENT
Director
28,896
$130.90K
Reasons Bryan M.
Director
28,732
$130.16K
Hall Jesse Wayne
Chief Medical Officer
27,045
$122.51K
Kolbeck Roland Wilhelm
Chief Scientific Officer
23,990
$108.67K
Fair Brett
Chief Commercial Officer
10,582
$47.94K
+236.9%
Cawkwell Gail
Chief Medical Officer
9,593
$43.46K
Foresite Capital Management III, LLC entity
10% owner
8,276
$37.49K
−99.6%

No percentages here. This company's share count has moved by a factor of 2.1 over the window, from 71,430,942 to 147,198,893 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Insider
Date
Role
Action
Shares
Price
Amount
Leonard Braden Michael
23 Apr 2026
10% owner
Sell indirect
300,000
$4.53
$1.36M
Walker Neal
4 Dec 2024
INTERIM CEO
Exercised, kept
118,840
$1.52
$180.64K
Mehra Anand
19 Nov 2024
Director
Buy
666,666
$2.25
$1.50M
Walker Neal
9 Aug 2024
INTERIM PRESIDENT AND CEO
Exercised, kept
43,548
$0.72
$31.35K
Leonard Braden Michael
5 Aug 2024
10% owner
Buy indirect
206,025
$1.24
$256.36K
Leonard Braden Michael
2 Aug 2024
10% owner
Buy indirect
167,544
$1.29
$216.40K
Leonard Braden Michael
31 Jul 2024
10% owner
Buy indirect
100,000
$1.33
$132.64K
Leonard Braden Michael
30 Jul 2024
10% owner
Buy indirect
173,730
$1.30
$226.37K
Leonard Braden Michael
22 Jul 2024
10% owner
Buy indirect
17,716
$1.33
$23.56K
Leonard Braden Michael
19 Jul 2024
10% owner
Buy indirect
6,689
$1.30
$8.70K
Leonard Braden Michael
18 Jul 2024
10% owner
Buy indirect
130,317
$1.30
$169.56K
Leonard Braden Michael
5 Jul 2024
10% owner
Buy indirect
123,017
$1.15
$141.33K
Leonard Braden Michael
3 Jul 2024
10% owner
Buy indirect
143,288
$1.16
$166.07K
Leonard Braden Michael
2 Jul 2024
10% owner
Buy indirect
86,092
$1.14
$98.49K
Leonard Braden Michael
1 Jul 2024
10% owner
Buy indirect
107,434
$1.14
$122.18K
Leonard Braden Michael
28 Jun 2024
10% owner
Buy indirect
400,000
$1.13
$452.00K
Leonard Braden Michael
28 Jun 2024
10% owner
Buy indirect
801,000
$1.12
$896.56K
Leonard Braden Michael
27 Jun 2024
10% owner
Buy indirect
235,000
$1.15
$271.33K
Leonard Braden Michael
18 Jun 2024
10% owner
Buy indirect
50,000
$1.13
$56.51K
Leonard Braden Michael
17 Jun 2024
10% owner
Buy indirect
150,000
$1.13
$169.50K
Leonard Braden Michael
14 Jun 2024
10% owner
Buy indirect
345,000
$1.17
$402.20K
Leonard Braden Michael
13 Jun 2024
10% owner
Buy indirect
500,000
$1.15
$575.00K
Leonard Braden Michael
13 Jun 2024
10% owner
Buy indirect
28,621
$1.14
$32.76K
Leonard Braden Michael
12 Jun 2024
10% owner
Buy indirect
82,579
$1.14
$94.14K
Leonard Braden Michael
11 Jun 2024
10% owner
Buy indirect
1,000,000
$1.08
$1.08M
Powell Andrew Kenneth William
4 Mar 2024
Director
Buy
6,000
$1.25
$7.50K
Powell Andrew Kenneth William
1 Mar 2024
Director
Buy
8,500
$1.23
$10.46K
Monahan Joseph
23 Oct 2023
Chief Scientific Officer
Sold on a plan
6,000
$5.08
$30.46K
Balthaser Kevin
6 Sep 2023
Chief Financial Officer
Buy
9,490
$7.90
$74.97K
Loerop James
28 Aug 2023
Chief Business Officer
Buy
14,705
$6.80
$99.96K
Monahan Joseph
21 Aug 2023
Chief Scientific Officer
Sold on a plan
6,000
$7.32
$43.89K
Monahan Joseph
20 Jun 2023
Chief Scientific Officer
Sold on a plan
6,000
$10.28
$61.66K
Molineaux Christopher P.
20 Jun 2023
Director
Exercised, kept
16,500
$1.41
$23.27K
Molineaux Christopher P.
15 Jun 2023
Director
Exercised, kept
198
$1.52
$300.96
Molineaux Christopher P.
15 Jun 2023
Director
Exercised, kept
51
$0.72
$36.72
Manion Douglas J.
17 Mar 2023
Pres and CEO
Buy
6,300
$7.86
$49.53K
Manion Douglas J.
9 Mar 2023
Pres and CEO
Buy
6,500
$7.74
$50.28K
Balthaser Kevin
3 Mar 2023
Chief Financial Officer
Sell
894
$12.63
$11.29K
Monahan Joseph
3 Mar 2023
Chief Scientific Officer
Sell
16,037
$12.63
$202.61K
Walker Neal
3 Mar 2023
Director
Sell
30,240
$12.63
$382.07K
Balthaser Kevin
2 Mar 2023
Chief Financial Officer
Sold after exercise
1,000
$12.29
$12.29K
Monahan Joseph
2 Mar 2023
Chief Scientific Officer
Sold after exercise
14,800
$12.37
$183.02K
Walker Neal
2 Mar 2023
Director
Sold after exercise
29,000
$12.37
$358.59K
Monahan Joseph
15 Feb 2023
Chief Scientific Officer
Sell
5,000
$13.06
$65.31K
Loerop James
8 Feb 2023
Chief Business Officer
Sell
4,267
$13.89
$59.27K
Walker Neal
2 Feb 2023
Director
Sell
200
$17.54
$3.51K
Walker Neal
2 Feb 2023
Director
Sell
3,121
$16.88
$52.69K
Walker Neal
2 Feb 2023
Director
Sell
600
$15.55
$9.33K
Walker Neal
2 Feb 2023
Director
Sell
1,079
$14.57
$15.72K
Walker Neal
1 Feb 2023
Director
Sell
25,000
$16.75
$418.68K
Walker Neal
4 Jan 2023
Director
Sell
15,000
$14.89
$223.34K
Walker Neal
3 Jan 2023
Director
Sell
1,618
$16.16
$26.15K
Walker Neal
3 Jan 2023
Director
Sell
23,382
$15.19
$355.07K
Monahan Joseph
15 Dec 2022
Chief Scientific Officer
Sell
5,000
$15.88
$79.41K
SCHIFF ANDREW N
14 Nov 2022
Director
Sell indirect
1,371
$17.08
$23.42K
SCHIFF ANDREW N
11 Nov 2022
Director
Sell indirect
41,160
$17.06
$702.18K
SCHIFF ANDREW N
10 Nov 2022
Director
Sell indirect
11,395
$17.02
$194.00K
SCHIFF ANDREW N
26 Oct 2022
Director
Sell indirect
14,540
$17.01
$247.25K
SCHIFF ANDREW N
25 Oct 2022
Director
Sell indirect
12,018
$17.02
$204.52K
SCHIFF ANDREW N
24 Oct 2022
Director
Sell indirect
14,616
$17.01
$248.59K
SCHIFF ANDREW N
18 Oct 2022
Director
Sell indirect
32,093
$16.89
$542.02K
Monahan Joseph
17 Oct 2022
Chief Scientific Officer
Sell
5,000
$15.98
$79.91K
SCHIFF ANDREW N
17 Oct 2022
Director
Sell indirect
19,944
$16.05
$320.09K
SCHIFF ANDREW N
7 Oct 2022
Director
Sell indirect
7,324
$16.16
$118.35K
SCHIFF ANDREW N
6 Oct 2022
Director
Sell indirect
37,839
$16.54
$625.74K
SCHIFF ANDREW N
4 Oct 2022
Director
Sell indirect
7,700
$16.01
$123.26K
SCHIFF ANDREW N
17 Jun 2022
Director
Sell
19,565
$15.14
$296.27K
Walker Neal
25 Apr 2022
President and CEO
Sell
20,000
$15.18
$303.66K
Walker Neal
22 Apr 2022
President and CEO
Sell
25,000
$15.04
$376.10K
Walker Neal
21 Apr 2022
President and CEO
Sell
25,000
$15.24
$380.95K
Monahan Joseph
18 Apr 2022
Chief Scientific Officer
Sell
30,000
$16.28
$488.30K
Walker Neal
11 Mar 2022
President and CEO
Sell
56,303
$15.91
$896.05K
Monahan Joseph
10 Mar 2022
Chief Scientific Officer
Sell
27,165
$15.71
$426.80K
Ruffo Frank
10 Mar 2022
Chief Financial Officer
Sell
12,823
$15.55
$199.33K
Walker Neal
9 Feb 2022
President and CEO
Sell
3,595
$12.66
$45.51K
Ruffo Frank
9 Feb 2022
Chief Financial Officer
Sell
1,388
$12.66
$17.57K
Monahan Joseph
9 Feb 2022
Chief Scientific Officer
Sell
383
$12.68
$4.86K
Gordon David N.
13 Jul 2021
Chief Medical Officer
Sell
2,631
$16.98
$44.67K
Ali-Jackson Kamil
3 Jun 2021
Chief Legal Officer
Sell
9,492
$21.96
$208.42K
Walker Neal
2 Jun 2021
President and CEO
Sell
5,517
$22.30
$123.04K
Walker Neal
2 Jun 2021
President and CEO
Sell
27,743
$21.51
$596.70K
Ruffo Frank
2 Jun 2021
Chief Financial Officer
Sell
2,450
$22.30
$54.64K
Ruffo Frank
2 Jun 2021
Chief Financial Officer
Sell
12,587
$21.51
$270.75K
Monahan Joseph
2 Jun 2021
Chief Scientific Officer
Sell
3,550
$22.31
$79.21K
Monahan Joseph
2 Jun 2021
Chief Scientific Officer
Sell
18,240
$21.50
$392.23K
Ali-Jackson Kamil
2 Jun 2021
Chief Legal Officer
Sell
2,387
$22.31
$53.26K
Ali-Jackson Kamil
2 Jun 2021
Chief Legal Officer
Sell
12,732
$21.51
$273.82K
Ali-Jackson Kamil
2 Jun 2021
Chief Legal Officer
Sell
2,517
$22.32
$56.17K
Ali-Jackson Kamil
2 Jun 2021
Chief Legal Officer
Sell
12,483
$21.50
$268.41K
Gordon David N.
2 Jun 2021
Chief Medical Officer
Sell
6,800
$22.26
$151.40K
Gordon David N.
2 Jun 2021
Chief Medical Officer
Sell
31,114
$21.50
$668.81K
Ali-Jackson Kamil
1 Jun 2021
Chief Legal Officer
Sold after exercise
5,254
$23.57
$123.85K
Ali-Jackson Kamil
1 Jun 2021
Chief Legal Officer
Sold after exercise
9,746
$22.72
$221.45K
Gordon David N.
1 Jun 2021
Chief Medical Officer
Sold after exercise
4,885
$23.57
$115.14K
Gordon David N.
1 Jun 2021
Chief Medical Officer
Sold after exercise
9,115
$22.71
$207.02K
Ali-Jackson Kamil
7 May 2021
Chief Legal Officer
Sold after exercise
2,100
$23.99
$50.38K
Ali-Jackson Kamil
7 May 2021
Chief Legal Officer
Sold after exercise
3,316
$23.23
$77.02K
Ali-Jackson Kamil
6 May 2021
Chief Legal Officer
Sold after exercise
3,102
$23.86
$74.02K
Ali-Jackson Kamil
6 May 2021
Chief Legal Officer
Sold after exercise
11,898
$23.32
$277.44K
Ali-Jackson Kamil
5 May 2021
Chief Legal Officer
Sold after exercise
498
$24.36
$12.13K
Ali-Jackson Kamil
5 May 2021
Chief Legal Officer
Sold after exercise
14,502
$23.97
$347.58K
Ali-Jackson Kamil
4 May 2021
Chief Legal Officer
Sold after exercise
1,279
$24.47
$31.30K
Ali-Jackson Kamil
4 May 2021
Chief Legal Officer
Sold after exercise
13,721
$23.61
$323.89K
Ali-Jackson Kamil
3 May 2021
Chief Legal Officer
Sold after exercise
4,339
$24.91
$108.07K
Ali-Jackson Kamil
3 May 2021
Chief Legal Officer
Sold after exercise
10,661
$24.46
$260.74K
Ruffo Frank
26 Apr 2021
Chief Financial Officer
Sell
100
$26.44
$2.64K
Ruffo Frank
26 Apr 2021
Chief Financial Officer
Sell
27,239
$25.79
$702.58K
Ruffo Frank
23 Apr 2021
Chief Financial Officer
Sell
800
$27.33
$21.86K
Ruffo Frank
23 Apr 2021
Chief Financial Officer
Sell
29,200
$26.64
$777.80K
Walker Neal
22 Apr 2021
President and CEO
Sell
30,000
$26.84
$805.24K
Ruffo Frank
22 Apr 2021
Chief Financial Officer
Sell
30,000
$26.84
$805.22K
Mehra Anand
2 Feb 2021
Director
Exercised, kept
6,632
$18.32
$121.50K
Mehra Anand
2 Feb 2021
Director
Exercised, kept
8,000
$18.35
$146.80K
Flynn James E
27 Jun 2019
10% owner
Sell indirect
590,801
$2.69
$1.59M
Flynn James E
27 Jun 2019
10% owner
Sell indirect
108,674
$2.69
$292.41K
Flynn James E
26 Jun 2019
10% owner
Sell indirect
1,352
$4.50
$6.09K
Flynn James E
26 Jun 2019
10% owner
Sell indirect
352
$4.50
$1.58K
Flynn James E
25 Jun 2019
10% owner
Sell indirect
40,850
$4.51
$184.19K
Flynn James E
25 Jun 2019
10% owner
Sell indirect
10,634
$4.51
$47.95K
Flynn James E
24 Jun 2019
10% owner
Sell indirect
50,177
$4.52
$226.93K
Flynn James E
24 Jun 2019
10% owner
Sell indirect
13,063
$4.52
$59.08K
Flynn James E
21 Jun 2019
10% owner
Sell indirect
269,402
$4.62
$1.24M
Flynn James E
21 Jun 2019
10% owner
Sell indirect
70,135
$4.62
$323.70K
Flynn James E
10 May 2019
10% owner
Sell indirect
71,869
$6.05
$434.75K
Flynn James E
10 May 2019
10% owner
Sell indirect
108,696
$6.05
$657.52K
Flynn James E
9 May 2019
10% owner
Sell indirect
172,800
$6.16
$1.06M
Flynn James E
9 May 2019
10% owner
Sell indirect
261,345
$6.16
$1.61M
Mehra Anand
22 Oct 2018
Director
Buy indirect
372,093
$10.75
$4.00M
Tullman Stephen A.
4 Oct 2018
Director
Buy
7,100
$14.00
$99.37K
Tullman Stephen A.
23 Aug 2018
Director
Buy
6,600
$15.00
$98.98K
Tullman Stephen A.
15 Aug 2018
Director
Buy
6,250
$15.97
$99.81K
Ali-Jackson Kamil
12 Jun 2018
Chief Legal Officer
Sell
4,900
$20.00
$98.00K
Ali-Jackson Kamil
11 Jun 2018
Chief Legal Officer
Sell
100
$20.00
$2.00K
Ali-Jackson Kamil
18 May 2018
Chief Legal Officer
Sell
10,000
$20.00
$200.00K
Powell Andrew Kenneth William
16 May 2018
Director
Buy
500
$19.12
$9.56K
Ruffo Frank
7 May 2018
Chief Financial Officer
Buy
1,250
$18.22
$22.78K
Molineaux Christopher P.
6 Apr 2018
Director
Sell
2,300
$16.52
$38.00K
Tullman Stephen A.
6 Apr 2018
Director
Buy
26,700
$16.54
$441.62K
Ruffo Frank
6 Apr 2018
Chief Financial Officer
Buy
1,250
$16.59
$20.74K
Walker Neal
5 Apr 2018
President and CEO
Buy
10,000
$16.75
$167.50K
Molineaux Christopher P.
20 Mar 2018
Director
Exercised, kept
264
$1.52
$401.28
Molineaux Christopher P.
20 Mar 2018
Director
Exercised, kept
120
$0.72
$86.40
Molineaux Christopher P.
20 Mar 2018
Director
Exercised, kept
1,993
$0.41
$817.13
SCHIFF ANDREW N
16 Aug 2017
Director
Buy indirect
108,601
$23.02
$2.50M
Molineaux Christopher P.
17 Mar 2017
Director
Exercised, kept
311
$0.72
$223.92
Molineaux Christopher P.
17 Mar 2017
Director
Exercised, kept
592
$1.52
$899.84
Molineaux Christopher P.
17 Mar 2017
Director
Exercised, kept
6,702
$0.41
$2.75K
VIVO VENTURES VII, LLC
2 Mar 2017
10% owner
Sell indirect
2,666
$31.20
$83.18K
VIVO VENTURES VII, LLC
2 Mar 2017
10% owner
Sell indirect
122,334
$31.20
$3.82M
VIVO VENTURES VII, LLC
1 Mar 2017
10% owner
Sell indirect
2,133
$30.98
$66.08K
VIVO VENTURES VII, LLC
1 Mar 2017
10% owner
Sell indirect
97,867
$30.98
$3.03M
VIVO VENTURES VII, LLC
28 Feb 2017
10% owner
Sell indirect
4,266
$30.50
$130.11K
VIVO VENTURES VII, LLC
28 Feb 2017
10% owner
Sell indirect
195,734
$30.50
$5.97M
Mehra Anand
10 Jan 2017
Director
Sell indirect
750,000
$28.25
$21.19M
VIVO VENTURES VII, LLC
18 Nov 2016
10% owner
Sell indirect
9,598
$22.72
$218.07K
VIVO VENTURES VII, LLC
18 Nov 2016
10% owner
Sell indirect
440,402
$22.72
$10.01M
VIVO VENTURES VII, LLC
16 Nov 2016
10% owner
Sell indirect
9,765
$27.30
$266.58K
VIVO VENTURES VII, LLC
16 Nov 2016
10% owner
Sell indirect
448,063
$23.25
$10.42M
FMR LLC
26 Oct 2016
10% owner
Sell indirect
100
$22.15
$2.22K
FMR LLC
26 Oct 2016
10% owner
Sell indirect
3,650
$21.93
$80.04K
Ali-Jackson Kamil
26 Oct 2016
Chief Legal Officer
Sold after exercise
3,912
$21.83
$85.40K
Ali-Jackson Kamil
28 Sep 2016
Chief Legal Officer
Sold after exercise
1,841
$24.66
$45.40K

What was left out

Form 4 filings counted 343
Amendments (4/A) skipped 2
Filings about a different issuer 0
Unreadable filings 0
Joint filings 12
Sales on a Rule 10b5-1 plan 3
Sales straight out of an exercise 19
Sales at will 89
Transactions with no price 0
Shares from compensation/vesting 7,189,262
Sales filed before the plan box existed 88
History held since 31 Aug 2016