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United States Biotechnology & Medical Research

Sarepta Therapeutics Inc (SRPT)

Track

The most recent insider trading activity occurred on March 12, 2026, with a reported sale of 7,239 shares by Stephen Mayo. Prior to this, on December 16, 2025, Ian Estepan sold 13,187 shares. These transactions represent significant sell-offs by key personnel.
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Ticker: SRPT Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Mayo Stephen
1 sale — total 123,208 USD
Sale 12 Mar 2026
Value US$1,329,161.14 | Price 409.64 | Shares 30,114
Proposed sale 12 Mar 2026
Value US$3,555,029.34 | Price 256.71 | Shares 18,782
Sale 16 Dec 2025
Value US$294,201.97 | Price 22.31 | Shares 13,187
Proposed sale 16 Dec 2025
Value US$294,145.27 | Price 22.31 | Shares 13,187
Sale 12 Mar 2025
Value US$248,203.24 | Price 99.64 | Shares 2,491
Proposed sale 12 Mar 2025
Value US$248,225.83 | Price 99.65 | Shares 2,491
Sale 12 Dec 2024
Value US$1,310,820.00 | Price 124.84 | Shares 10,500
Proposed sale 12 Dec 2024
Value US$1,310,400.00 | Price 124.80 | Shares 10,500
Sale 5 Dec 2024
Value US$205,399.80 | Price 125.55 | Shares 1,636
Proposed sale 5 Dec 2024
Value US$205,399.80 | Price 125.55 | Shares 1,636
Sale 30 Aug 2024
Value US$822,099.60 | Price 137.36 | Shares 5,985
Proposed sale 30 Aug 2024
Value US$822,129.53 | Price 137.37 | Shares 5,985
Buy 16 Aug 2024
Value US$760,559.68 | Price 134.66 | Shares 5,648
Buy 16 Aug 2024
Value US$2,451,153.04 | Price 134.06 | Shares 18,284
Buy 16 Aug 2024
Value US$1,744,015.42 | Price 133.07 | Shares 13,106
Proposed sale 25 Jun 2024
Value US$638,687.30 | Price 163.85 | Shares 3,898
Proposed sale 25 Jun 2024
Value US$6,383,104.45 | Price 163.85 | Shares 38,957
Planned sale 25 Jun 2024
Value US$419,361.48 | Price 164.52 | Shares 2,549
Planned sale 25 Jun 2024
Value US$627,955.20 | Price 163.53 | Shares 3,840
Planned sale 25 Jun 2024
Value US$2,859,549.65 | Price 162.65 | Shares 17,581
Planned sale 25 Jun 2024
Value US$674,465.76 | Price 161.82 | Shares 4,168
Planned sale 25 Jun 2024
Value US$156,302.25 | Price 160.31 | Shares 975
Planned sale 25 Jun 2024
Value US$350,108.00 | Price 159.14 | Shares 2,200
Planned sale 25 Jun 2024
Value US$1,208,287.08 | Price 158.07 | Shares 7,644
Planned sale 25 Jun 2024
Value US$636,270.54 | Price 163.23 | Shares 3,898
Planned sale 24 Jun 2024
Value US$37,437.12 | Price 167.13 | Shares 224
Planned sale 24 Jun 2024
Value US$116,270.00 | Price 166.10 | Shares 700
Planned sale 24 Jun 2024
Value US$49,383.00 | Price 164.61 | Shares 300
Planned sale 24 Jun 2024
Value US$172,840.65 | Price 163.83 | Shares 1,055
Planned sale 24 Jun 2024
Value US$905,689.80 | Price 162.31 | Shares 5,580
Proposed sale 24 Jun 2024
Value US$1,263,098.48 | Price 160.72 | Shares 7,859
Planned sale 2 May 2024
Value US$508,900.00 | Price 140.00 | Shares 3,635
Proposed sale 11 Mar 2024
Value US$93,546.69 | Price 122.93 | Shares 761
Sale 11 Mar 2024
Value US$93,549.73 | Price 122.93 | Shares 761
Sale 8 Mar 2024
Value US$12,239.00 | Price 122.39 | Shares 100
Sale 8 Mar 2024
Value US$1,445,809.50 | Price 123.10 | Shares 11,745
Sale 8 Mar 2024
Value US$390,746.75 | Price 123.85 | Shares 3,155
Proposed sale 8 Mar 2024
Value US$1,930,050.00 | Price 128.67 | Shares 15,000
Sale 5 Mar 2024
Value US$385,479.60 | Price 122.96 | Shares 3,135
Proposed sale 5 Mar 2024
Value US$385,482.11 | Price 122.96 | Shares 3,135
Sale 1 Mar 2024
Value US$59,277.47 | Price 129.71 | Shares 457
Sale 1 Mar 2024
Value US$198,398.94 | Price 128.58 | Shares 1,543
Sale 1 Mar 2024
Value US$250,680.00 | Price 125.34 | Shares 2,000
Proposed sale 1 Mar 2024
Value US$284,634.56 | Price 125.44 | Shares 2,269
Sale 1 Mar 2024
Value US$153,960.00 | Price 128.30 | Shares 1,200
Proposed sale 1 Mar 2024
Value US$200,020.40 | Price 127.81 | Shares 1,565
Proposed sale 1 Mar 2024
Value US$257,669.60 | Price 128.83 | Shares 2,000
Buy 3 Nov 2023
Value US$16,252.00 | Price 81.26 | Shares 200
Buy 3 Nov 2023
Value US$312,001.72 | Price 80.33 | Shares 3,884
Buy 3 Nov 2023
Value US$881,482.00 | Price 79.70 | Shares 11,060
Buy 3 Nov 2023
Value US$792,064.17 | Price 78.57 | Shares 10,081
Buy 3 Nov 2023
Value US$3,152,400.00 | Price 78.81 | Shares 40,000
Buy 3 Nov 2023
Value US$788,100.00 | Price 78.81 | Shares 10,000
Buy 14 Aug 2023
Value US$443,076.48 | Price 109.89 | Shares 4,032
Buy 14 Aug 2023
Value US$649,352.93 | Price 109.19 | Shares 5,947
Buy 11 Aug 2023
Value US$2,559,272.30 | Price 108.05 | Shares 23,686
Buy 10 Aug 2023
Value US$3,354,628.20 | Price 106.26 | Shares 31,570
Buy 10 Aug 2023
Value US$115,536.90 | Price 105.90 | Shares 1,091
Buy 10 Aug 2023
Value US$230,902.02 | Price 104.67 | Shares 2,206
Sale 4 Aug 2023
Value US$1,600,800.00 | Price 106.72 | Shares 15,000
Proposed sale 4 Aug 2023
Value US$1,590,000.00 | Price 106.00 | Shares 15,000
Sale 17 Nov 2022
Value US$94,311.36 | Price 109.92 | Shares 858
Buy 14 Sep 2022
Value US$657,250.00 | Price 105.16 | Shares 6,250
Buy 14 Sep 2022
Value US$3,151,195.02 | Price 104.67 | Shares 30,106
Buy 14 Sep 2022
Value US$2,154,679.28 | Price 103.87 | Shares 20,744
Buy 19 Aug 2022
Value US$659,328.00 | Price 108.80 | Shares 6,060
Buy 19 Aug 2022
Value US$4,339,902.00 | Price 108.20 | Shares 40,110
Buy 24 Nov 2021
Value US$299,867.40 | Price 79.33 | Shares 3,780
Buy 17 Nov 2021
Value US$2,000,578.44 | Price 79.94 | Shares 25,026
Sale 10 Mar 2021
Value US$428,800.00 | Price 85.76 | Shares 5,000
Sale 8 Mar 2021
Value US$835,100.00 | Price 83.51 | Shares 10,000
Planned sale 11 Dec 2020
Value US$183,975.00 | Price 165.00 | Shares 1,115
Planned sale 8 Dec 2020
Value US$180,000.00 | Price 160.00 | Shares 1,125
Sale 10 Aug 2020
Value US$124,048.05 | Price 159.65 | Shares 777
Sale 10 Aug 2020
Value US$1,465,995.85 | Price 158.95 | Shares 9,223
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
2026-03-13 2026-03-12 S Sale
2.1
Mayo Stephen
Non-Executive Director
30,114 -19.6%
409.64
US$1,329,161 		30,114 -19.6% 409.64 US$1,329,161
2026-03-12 2026-03-12 PrS Proposed sale
2.1
STEPHEN MAYO

Director

Non-Executive Director
18,782
256.71
US$3,555,029 		18,782 256.71 US$3,555,029
2025-12-18 2025-12-16 S Sale
3.5
Estepan Ian Michael

Chief Operating Officer

Officer
13,586 +21.6%
53.15
US$4,294,057 		13,586 +21.6% 53.15 US$4,294,057
2025-12-16 2025-12-16 PrS Proposed sale
3.5
IAN M ESTEPAN

Officer

Officer
13,187
22.31
US$294,145 		13,187 22.31 US$294,145
2025-03-13 2025-03-12 S Sale
3.4
Nicaise Claude
Non-Executive Director
2,491 -8.2%
99.64
US$248,203 		2,491 -8.2% 99.64 US$248,203
2025-03-12 2025-03-12 PrS Proposed sale
3.4
Nicaise Claude

Director

Non-Executive Director
2,491
99.65
US$248,226 		2,491 99.65 US$248,226
2024-12-16 2024-12-12 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
10,500 -31.5%
124.84
US$1,310,820 		10,500 -31.5% 124.84 US$1,310,820
2024-12-12 2024-12-12 PrS Proposed sale
3.6
Wigzell Hans Lennart Rudolf

Director

Non-Executive Director
10,500
124.80
US$1,310,400 		10,500 124.80 US$1,310,400
2024-12-06 2024-12-05 S Sale
2.7
Boor Kathryn Jean
Non-Executive Director
1,636 -21.8%
125.55
US$205,400 		1,636 -21.8% 125.55 US$205,400
2024-12-05 2024-12-05 PrS Proposed sale
2.7
Boor Kathryn Jean

Director

Non-Executive Director
1,636
125.55
US$205,400 		1,636 125.55 US$205,400
2024-09-03 2024-08-30 S Sale
3.5
Estepan Ian Michael

Chief Financial Officer

Officer
5,985 -15.0%
137.36
US$822,100 		5,985 -15.0% 137.36 US$822,100
2024-08-30 2024-08-30 PrS Proposed sale
3.5
Estepan Ian Michael

Officer

Officer
5,985
137.37
US$822,130 		5,985 137.37 US$822,130
2024-08-20 2024-08-16 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
5,648 +2.0%
134.66
US$760,560 		5,648 +2.0% 134.66 US$760,560
2024-08-20 2024-08-16 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
18,284 +7.0%
134.06
US$2,451,153 		18,284 +7.0% 134.06 US$2,451,153
2024-08-20 2024-08-16 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
13,106 +5.3%
133.07
US$1,744,015 		13,106 +5.3% 133.07 US$1,744,015
2024-06-25 2024-06-25 PrS Proposed sale
2.0
BILAL ARIF

Officer

Officer
3,898
163.85
US$638,687 		3,898 163.85 US$638,687
2024-06-25 2024-06-25 PrS Proposed sale
1.4
RYAN BROWN

Officer

Officer
38,957
163.85
US$6,383,104 		38,957 163.85 US$6,383,104
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
2,549 -13.0%
164.52
US$419,361 		2,549 -13.0% 164.52 US$419,361
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
3,840 -16.3%
163.53
US$627,955 		3,840 -16.3% 163.53 US$627,955
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
17,581 -42.8%
162.65
US$2,859,550 		17,581 -42.8% 162.65 US$2,859,550
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
4,168 -9.2%
161.82
US$674,466 		4,168 -9.2% 161.82 US$674,466
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
975 -2.1%
160.31
US$156,302 		975 -2.1% 160.31 US$156,302
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
2,200 -4.5%
159.14
US$350,108 		2,200 -4.5% 159.14 US$350,108
2024-06-25 2024-06-25 PlS Planned sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
7,644 -13.6%
158.07
US$1,208,287 		7,644 -13.6% 158.07 US$1,208,287
2024-06-25 2024-06-25 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
3,898 -18.3%
163.23
US$636,271 		3,898 -18.3% 163.23 US$636,271
2024-06-25 2024-06-24 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
224 -1.0%
167.13
US$37,437 		224 -1.0% 167.13 US$37,437
2024-06-25 2024-06-24 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
700 -3.2%
166.10
US$116,270 		700 -3.2% 166.10 US$116,270
2024-06-25 2024-06-24 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
300 -1.3%
164.61
US$49,383 		300 -1.3% 164.61 US$49,383
2024-06-25 2024-06-24 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
1,055 -4.5%
163.83
US$172,841 		1,055 -4.5% 163.83 US$172,841
2024-06-25 2024-06-24 PlS Planned sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
5,580 -19.2%
162.31
US$905,690 		5,580 -19.2% 162.31 US$905,690
2024-06-24 2024-06-24 PrS Proposed sale
2.0
BILAL ARIF

Officer

Officer
7,859
160.72
US$1,263,098 		7,859 160.72 US$1,263,098
2024-05-06 2024-05-02 PlS Planned sale
Murray Dallan

Chief Customer Officer

Officer
3,635 -16.7%
140.00
US$508,900 		3,635 -16.7% 140.00 US$508,900
2024-03-11 2024-03-11 PrS Proposed sale
2.7
Boor Kathryn Jean

Director

Non-Executive Director
761
122.93
US$93,547 		761 122.93 US$93,547
2024-03-11 2024-03-11 S Sale
2.7
Boor Kathryn Jean
Non-Executive Director
761 -9.2%
122.93
US$93,550 		761 -9.2% 122.93 US$93,550
2024-03-11 2024-03-08 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
100 -0.4%
122.39
US$12,239 		100 -0.4% 122.39 US$12,239
2024-03-11 2024-03-08 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
11,745 -33.9%
123.10
US$1,445,810 		11,745 -33.9% 123.10 US$1,445,810
2024-03-11 2024-03-08 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
3,155 -8.3%
123.85
US$390,747 		3,155 -8.3% 123.85 US$390,747
2024-03-08 2024-03-08 PrS Proposed sale
3.6
Wigzell Hans Lennart Rudolf

Director

Non-Executive Director
15,000
128.67
US$1,930,050 		15,000 128.67 US$1,930,050
2024-03-06 2024-03-05 S Sale
2.1
Mayo Stephen
Non-Executive Director
3,135 -32.1%
122.96
US$385,480 		3,135 -32.1% 122.96 US$385,480
2024-03-05 2024-03-05 PrS Proposed sale
2.1
Mayo Stephen

Director

Non-Executive Director
3,135
122.96
US$385,482 		3,135 122.96 US$385,482
2024-03-05 2024-03-01 S Sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
457 -1.7%
129.71
US$59,277 		457 -1.7% 129.71 US$59,277
2024-03-05 2024-03-01 S Sale
2.0
Arif Bilal

Chief Tech Ops Officer

Officer
1,543 -5.4%
128.58
US$198,399 		1,543 -5.4% 128.58 US$198,399
2024-03-05 2024-03-01 S Sale
1.4
Brown Ryan Edward

EVP, General Counsel

Officer
2,000 -5.9%
125.34
US$250,680 		2,000 -5.9% 125.34 US$250,680
2024-03-05 2024-03-01 S Sale
3.5
Estepan Ian Michael

Chief Financial Officer

Officer
1,200 -3.0%
128.30
US$153,960 		1,200 -3.0% 128.30 US$153,960
2024-03-01 2024-03-01 PrS Proposed sale
1.4
Brown Ryan Edward

Officer

Officer
2,269
125.44
US$284,635 		2,269 125.44 US$284,635
2024-03-01 2024-03-01 PrS Proposed sale
3.5
Estepan Ian Michael

Officer

Officer
1,565
127.81
US$200,020 		1,565 127.81 US$200,020
2024-03-01 2024-03-01 PrS Proposed sale
2.0
BILAL ARIF

Officer

Officer
2,000
128.83
US$257,670 		2,000 128.83 US$257,670
2023-11-06 2023-11-03 B Purchase
3.5
INGRAM DOUGLAS S

President & CEO

Executive Director
200 +0.1%
81.26
US$16,252 		200 +0.1% 81.26 US$16,252
2023-11-06 2023-11-03 B Purchase
3.5
INGRAM DOUGLAS S

President & CEO

Executive Director
3,884 +1.0%
80.33
US$312,002 		3,884 +1.0% 80.33 US$312,002
2023-11-06 2023-11-03 B Purchase
3.5
INGRAM DOUGLAS S

President & CEO

Executive Director
11,060 +2.9%
79.70
US$881,482 		11,060 +2.9% 79.70 US$881,482
2023-11-06 2023-11-03 B Purchase
3.5
INGRAM DOUGLAS S

President & CEO

Executive Director
10,081 +2.8%
78.57
US$792,064 		10,081 +2.8% 78.57 US$792,064
2023-11-06 2023-11-03 B Purchase
3.2
Barry Richard
Non-Executive Director
40,000 +40.0%
78.81
US$3,152,400 		40,000 +40.0% 78.81 US$3,152,400
2023-11-06 2023-11-03 B Purchase
3.2
Barry Richard
Non-Executive Director
10,000 +inf%
78.81
US$788,100 		10,000 +inf% 78.81 US$788,100
2023-08-15 2023-08-14 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
4,032 +1.7%
109.89
US$443,076 		4,032 +1.7% 109.89 US$443,076
2023-08-15 2023-08-14 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
5,947 +2.5%
109.19
US$649,353 		5,947 +2.5% 109.19 US$649,353
2023-08-14 2023-08-11 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
23,686 +11.1%
108.05
US$2,559,272 		23,686 +11.1% 108.05 US$2,559,272
2023-08-11 2023-08-10 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
31,570 +17.4%
106.26
US$3,354,628 		31,570 +17.4% 106.26 US$3,354,628
2023-08-11 2023-08-10 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
1,091 +0.6%
105.90
US$115,537 		1,091 +0.6% 105.90 US$115,537
2023-08-11 2023-08-10 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
2,206 +1.2%
104.67
US$230,902 		2,206 +1.2% 104.67 US$230,902
2023-08-08 2023-08-04 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
15,000 -41.7%
106.72
US$1,600,800 		15,000 -41.7% 106.72 US$1,600,800
2023-08-04 2023-08-04 PrS Proposed sale
3.6
Wigzell Hans Lennart Rudolf

Director

Non-Executive Director
15,000
106.00
US$1,590,000 		15,000 106.00 US$1,590,000
2022-11-21 2022-11-17 S Sale
2.1
Mayo Stephen
Non-Executive Director
858 -11.8%
109.92
US$94,311 		858 -11.8% 109.92 US$94,311
2022-09-15 2022-09-14 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
6,250 +6.1%
105.16
US$657,250 		6,250 +6.1% 105.16 US$657,250
2022-09-15 2022-09-14 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
30,106 +41.9%
104.67
US$3,151,195 		30,106 +41.9% 104.67 US$3,151,195
2022-09-15 2022-09-14 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
20,744 +40.6%
103.87
US$2,154,679 		20,744 +40.6% 103.87 US$2,154,679
2022-08-22 2022-08-19 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
6,060 +13.5%
108.80
US$659,328 		6,060 +13.5% 108.80 US$659,328
2022-08-22 2022-08-19 B Purchase
2.9
Chambers Michael Andrew
Non-Executive Director
40,110 +817.2%
108.20
US$4,339,902 		40,110 +817.2% 108.20 US$4,339,902
2021-11-29 2021-11-24 B Purchase
2.3
Rodino-Klapac Louise

Head of R&D, CSO

Officer
3,780 +6.1%
79.33
US$299,867 		3,780 +6.1% 79.33 US$299,867
2021-11-17 2021-11-17 B Purchase
3.5
INGRAM DOUGLAS S

President & CEO

Executive Director
25,026 +7.4%
79.94
US$2,000,578 		25,026 +7.4% 79.94 US$2,000,578
2021-03-10 2021-03-10 S Sale
2.1
BEHRENS M KATHLEEN
Non-Executive Director
5,000 -3.7%
85.76
US$428,800 		5,000 -3.7% 85.76 US$428,800
2021-03-10 2021-03-08 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
10,000 -37.7%
83.51
US$835,100 		10,000 -37.7% 83.51 US$835,100
2020-12-14 2020-12-11 PlS Planned sale
Bratica Joseph

Principal Financial Officer

Officer
1,115 -12.0%
165.00
US$183,975 		1,115 -12.0% 165.00 US$183,975
2020-12-10 2020-12-08 PlS Planned sale
Bratica Joseph

Principal Financial Officer

Officer
1,125 -12.1%
160.00
US$180,000 		1,125 -12.1% 160.00 US$180,000
2020-08-11 2020-08-10 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
777 -5.3%
159.65
US$124,048 		777 -5.3% 159.65 US$124,048
2020-08-11 2020-08-10 S Sale
3.6
Wigzell Hans Lennart Rudolf
Non-Executive Director
9,223 -38.8%
158.95
US$1,465,996 		9,223 -38.8% 158.95 US$1,465,996
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