United States Biotechnology & Medical Research

Aclaris Therapeutics Inc (ACRS)

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Aclaris Therapeutics Inc. has seen no insider trading activity in the last three months. The most recent transaction occurred on April 23, 2026, involving a sale of 300,000 shares. Prior to this, there was a period of significant buying activity by insiders throughout 2024.
Ticker: ACRS Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Sale 23 Apr 2026
Value US$937,251.84 | Price 247.15 | Shares 73,231 (+49.7%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-04-27 2026-04-23 S Sale
2.9
Leonard Braden Michael
Large shareholder
73,231 +49.7%
247.15
US$937,252 		73,231 +49.7% 247.15 US$937,252
2024-11-20 2024-11-19 B Purchase
1.6
Mehra Anand
Non-Executive Director
9,855 -5.0%
162.17
US$2,982,548 		9,855 -5.0% 162.17 US$2,982,548
2024-08-05 2024-08-05 B Purchase
2.9
Leonard Braden Michael
Large shareholder
76,757 -27.7%
448.40
US$2,880,645 		76,757 -27.7% 448.40 US$2,880,645
2024-08-05 2024-08-02 B Purchase
2.9
Leonard Braden Michael
Large shareholder
167,544 +1.2%
1.29
US$216,400 		167,544 +1.2% 1.29 US$216,400
2024-07-31 2024-07-31 B Purchase
2.9
Leonard Braden Michael
Large shareholder
100,000 +0.7%
1.33
US$132,640 		100,000 +0.7% 1.33 US$132,640
2024-07-31 2024-07-30 B Purchase
2.9
Leonard Braden Michael
Large shareholder
173,730 +1.3%
1.30
US$226,370 		173,730 +1.3% 1.30 US$226,370
2024-07-22 2024-07-22 B Purchase
2.9
Leonard Braden Michael
Large shareholder
17,716 +0.1%
1.33
US$23,557 		17,716 +0.1% 1.33 US$23,557
2024-07-22 2024-07-19 B Purchase
2.9
Leonard Braden Michael
Large shareholder
6,689 +0.0%
1.30
US$8,696 		6,689 +0.0% 1.30 US$8,696
2024-07-22 2024-07-18 B Purchase
2.9
Leonard Braden Michael
Large shareholder
130,317 +1.0%
1.30
US$169,555 		130,317 +1.0% 1.30 US$169,555
2024-07-05 2024-07-05 B Purchase
2.9
Leonard Braden Michael
Large shareholder
123,017 +0.9%
1.15
US$141,334 		123,017 +0.9% 1.15 US$141,334
2024-07-05 2024-07-03 B Purchase
2.9
Leonard Braden Michael
Large shareholder
143,288 +1.1%
1.16
US$166,071 		143,288 +1.1% 1.16 US$166,071
2024-07-05 2024-07-02 B Purchase
2.9
Leonard Braden Michael
Large shareholder
86,092 +0.7%
1.14
US$98,489 		86,092 +0.7% 1.14 US$98,489
2024-07-01 2024-07-01 B Purchase
2.9
Leonard Braden Michael
Large shareholder
107,434 +0.8%
1.14
US$122,185 		107,434 +0.8% 1.14 US$122,185
2024-07-01 2024-06-28 B Purchase
2.9
Leonard Braden Michael
Large shareholder
400,000 +3.2%
1.13
US$452,000 		400,000 +3.2% 1.13 US$452,000
2024-07-01 2024-06-28 B Purchase
2.9
Leonard Braden Michael
Large shareholder
801,000 +6.8%
1.12
US$896,559 		801,000 +6.8% 1.12 US$896,559
2024-07-01 2024-06-27 B Purchase
2.9
Leonard Braden Michael
Large shareholder
235,000 +2.0%
1.15
US$271,331 		235,000 +2.0% 1.15 US$271,331
2024-06-18 2024-06-18 B Purchase
2.9
Leonard Braden Michael
Large shareholder
50,000 +0.4%
1.13
US$56,505 		50,000 +0.4% 1.13 US$56,505
2024-06-18 2024-06-17 B Purchase
2.9
Leonard Braden Michael
Large shareholder
150,000 +1.3%
1.13
US$169,500 		150,000 +1.3% 1.13 US$169,500
2024-06-18 2024-06-14 B Purchase
2.9
Leonard Braden Michael
Large shareholder
345,000 +3.1%
1.17
US$402,201 		345,000 +3.1% 1.17 US$402,201
2024-06-13 2024-06-13 B Purchase
2.9
Leonard Braden Michael
Large shareholder
500,000 +4.8%
1.15
US$575,000 		500,000 +4.8% 1.15 US$575,000
2024-06-13 2024-06-13 B Purchase
2.9
Leonard Braden Michael
Large shareholder
28,621 +0.3%
1.14
US$32,757 		28,621 +0.3% 1.14 US$32,757
2024-06-13 2024-06-12 B Purchase
2.9
Leonard Braden Michael
Large shareholder
82,579 +0.8%
1.14
US$94,140 		82,579 +0.8% 1.14 US$94,140
2024-06-13 2024-06-11 B Purchase
2.9
Leonard Braden Michael
Large shareholder
1,000,000 +10.6%
1.08
US$1,080,000 		1,000,000 +10.6% 1.08 US$1,080,000
2024-03-05 2024-03-04 B Purchase
2.1
Powell Andrew Kenneth William
Non-Executive Director
6,000 +26.2%
1.25
US$7,500 		6,000 +26.2% 1.25 US$7,500
2024-03-05 2024-03-01 B Purchase
2.1
Powell Andrew Kenneth William
Non-Executive Director
8,500 +59.2%
1.23
US$10,455 		8,500 +59.2% 1.23 US$10,455
2023-10-25 2023-10-23 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
6,000 -4.4%
5.08
US$30,460 		6,000 -4.4% 5.08 US$30,460
2023-10-23 2023-10-23 PrS Proposed sale
3.7
JOSEPH B MONAHAN

Officer

Officer
6,000
5.28
US$31,680 		6,000 5.28 US$31,680
2023-09-07 2023-09-06 B Purchase
1.5
Balthaser Kevin

Chief Financial Officer

Officer
9,490 +158.9%
7.90
US$74,971 		9,490 +158.9% 7.90 US$74,971
2023-08-28 2023-08-28 B Purchase
2.3
Loerop James

Chief Business Officer

Officer
14,705 +210.6%
6.80
US$99,959 		14,705 +210.6% 6.80 US$99,959
2023-08-22 2023-08-21 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
6,000 -4.2%
7.32
US$43,895 		6,000 -4.2% 7.32 US$43,895
2023-08-21 2023-08-21 PrS Proposed sale
3.7
JOSEPH B MONAHAN

Officer

Officer
6,000
7.15
US$42,900 		6,000 7.15 US$42,900
2023-06-22 2023-06-20 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
6,000 -4.1%
10.28
US$61,663 		6,000 -4.1% 10.28 US$61,663
2023-06-20 2023-06-20 PrS Proposed sale
3.7
JOSEPH B MONAHAN

Officer

Officer
6,000
10.22
US$61,320 		6,000 10.22 US$61,320
2023-03-17 2023-03-17 B Purchase
3.6
Manion Douglas J.

Pres and CEO

Executive Director
6,300 +96.9%
7.86
US$49,532 		6,300 +96.9% 7.86 US$49,532
2023-03-09 2023-03-09 B Purchase
3.6
Manion Douglas J.

Pres and CEO

Executive Director
6,500 +inf%
7.74
US$50,278 		6,500 +inf% 7.74 US$50,278
2023-03-03 2023-03-03 S Sale
1.5
Balthaser Kevin

Chief Financial Officer

Officer
894 -14.5%
12.63
US$11,290 		894 -14.5% 12.63 US$11,290
2023-03-03 2023-03-03 S Sale
3.8
Walker Neal
Non-Executive Director
30,240 -2.3%
12.63
US$382,070 		30,240 -2.3% 12.63 US$382,070
2023-03-03 2023-03-03 S Sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
16,037 -9.8%
12.63
US$202,615 		16,037 -9.8% 12.63 US$202,615
2023-03-03 2023-03-02 S Sale
1.5
Balthaser Kevin

Chief Financial Officer

Officer
1,000 -17.7%
12.29
US$12,289 		1,000 -17.7% 12.29 US$12,289
2023-03-03 2023-03-02 S Sale
3.8
Walker Neal
Non-Executive Director
29,000 -2.2%
12.37
US$358,588 		29,000 -2.2% 12.37 US$358,588
2023-03-03 2023-03-02 S Sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
14,800 -8.9%
12.37
US$183,024 		14,800 -8.9% 12.37 US$183,024
2023-02-17 2023-02-15 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
5,000 -5.2%
13.06
US$65,310 		5,000 -5.2% 13.06 US$65,310
2023-02-10 2023-02-08 S Sale
2.3
Loerop James

Chief Business Officer

Officer
4,267 -37.9%
13.89
US$59,272 		4,267 -37.9% 13.89 US$59,272
2023-02-03 2023-02-02 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
200 -0.0%
17.54
US$3,507 		200 -0.0% 17.54 US$3,507
2023-02-03 2023-02-02 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
3,121 -0.3%
16.88
US$52,691 		3,121 -0.3% 16.88 US$52,691
2023-02-03 2023-02-02 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
600 -0.1%
15.55
US$9,332 		600 -0.1% 15.55 US$9,332
2023-02-03 2023-02-02 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
1,079 -0.1%
14.57
US$15,718 		1,079 -0.1% 14.57 US$15,718
2023-02-03 2023-02-01 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
25,000 -2.1%
16.75
US$418,675 		25,000 -2.1% 16.75 US$418,675
2023-01-04 2023-01-04 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
15,000 -1.2%
14.89
US$223,342 		15,000 -1.2% 14.89 US$223,342
2023-01-04 2023-01-03 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
1,618 -0.1%
16.16
US$26,146 		1,618 -0.1% 16.16 US$26,146
2023-01-04 2023-01-03 PlS Planned sale
3.8
Walker Neal
Non-Executive Director
23,382 -1.9%
15.19
US$355,067 		23,382 -1.9% 15.19 US$355,067
2022-12-16 2022-12-15 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
5,000 -4.9%
15.88
US$79,412 		5,000 -4.9% 15.88 US$79,412
2022-11-14 2022-11-14 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
1,371 -0.3%
17.08
US$23,417 		1,371 -0.3% 17.08 US$23,417
2022-11-14 2022-11-11 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
41,160 -8.6%
17.06
US$702,177 		41,160 -8.6% 17.06 US$702,177
2022-11-14 2022-11-10 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
11,395 -2.3%
17.02
US$193,995 		11,395 -2.3% 17.02 US$193,995
2022-10-26 2022-10-26 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
14,540 -2.9%
17.01
US$247,253 		14,540 -2.9% 17.01 US$247,253
2022-10-26 2022-10-25 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
12,018 -2.3%
17.02
US$204,516 		12,018 -2.3% 17.02 US$204,516
2022-10-26 2022-10-24 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
14,616 -2.8%
17.01
US$248,586 		14,616 -2.8% 17.01 US$248,586
2022-10-19 2022-10-18 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
32,093 -5.7%
16.89
US$542,022 		32,093 -5.7% 16.89 US$542,022
2022-10-19 2022-10-17 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
19,944 -3.4%
16.05
US$320,087 		19,944 -3.4% 16.05 US$320,087
2022-10-19 2022-10-17 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
5,000 -4.7%
15.98
US$79,908 		5,000 -4.7% 15.98 US$79,908
2022-10-11 2022-10-07 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
7,324 -1.2%
16.16
US$118,349 		7,324 -1.2% 16.16 US$118,349
2022-10-06 2022-10-06 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
37,839 -6.0%
16.54
US$625,744 		37,839 -6.0% 16.54 US$625,744
2022-10-06 2022-10-04 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
7,700 -1.2%
16.01
US$123,259 		7,700 -1.2% 16.01 US$123,259
2022-06-21 2022-06-17 PlS Planned sale
SCHIFF ANDREW N
Non-Executive Director
19,565 -100.0%
15.14
US$296,269 		19,565 -100.0% 15.14 US$296,269
2022-04-25 2022-04-25 PlS Planned sale
3.8
Walker Neal

President and CEO

Executive Director
20,000 -1.6%
15.18
US$303,656 		20,000 -1.6% 15.18 US$303,656
2022-04-25 2022-04-22 PlS Planned sale
3.8
Walker Neal

President and CEO

Executive Director
25,000 -1.9%
15.04
US$376,098 		25,000 -1.9% 15.04 US$376,098
2022-04-25 2022-04-21 PlS Planned sale
3.8
Walker Neal

President and CEO

Executive Director
25,000 -1.9%
15.24
US$380,948 		25,000 -1.9% 15.24 US$380,948
2022-04-20 2022-04-18 PlS Planned sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
30,000 -22.0%
16.28
US$488,298 		30,000 -22.0% 16.28 US$488,298
2022-03-14 2022-03-11 S Sale
3.8
Walker Neal

President and CEO

Executive Director
56,303 -4.1%
15.91
US$896,045 		56,303 -4.1% 15.91 US$896,045
2022-03-14 2022-03-10 S Sale
3.4
Ruffo Frank

Chief Financial Officer

Officer
12,823 -6.0%
15.55
US$199,335 		12,823 -6.0% 15.55 US$199,335
2022-03-14 2022-03-10 S Sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
27,165 -16.6%
15.71
US$426,803 		27,165 -16.6% 15.71 US$426,803
2022-02-11 2022-02-09 S Sale
3.4
Ruffo Frank

Chief Financial Officer

Officer
1,388 -0.8%
12.66
US$17,568 		1,388 -0.8% 12.66 US$17,568
2022-02-11 2022-02-09 S Sale
3.7
Monahan Joseph

Chief Scientific Officer

Officer
383 -0.4%
12.68
US$4,857 		383 -0.4% 12.68 US$4,857
2022-02-11 2022-02-09 S Sale
3.8
Walker Neal

President and CEO

Executive Director
3,595 -0.3%
12.66
US$45,513 		3,595 -0.3% 12.66 US$45,513
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