Boulding Mark Elliott

Track

Insider profile

Performance

Overall performance
3.5
Performance over holding periods
3.5
30 days 90 days 120 days
Average return -0% 8.2% 15.1%
Success rate 58% 68% 82%
Transactions
19 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Boulding Mark Elliott's trades of PTC Therapeutics Inc's stock


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-19 2026-05-15
PlS Planned sale
83,053 +46.3%
248.42
US$1,839,206 		83,053 +46.3% 248.42 US$1,839,206
2026-05-19 2026-05-15
PlS Planned sale
33,289 -37.0%
190.07
US$2,048,444 		33,289 -37.0% 190.07 US$2,048,444
2026-05-15 2026-05-15
PrS Proposed sale
41,115
400.43
US$289,970 		41,115 400.43 US$289,970
2026-05-12 2026-05-08
PlS Planned sale
600 -0.6%
79.28
US$47,568 		600 -0.6% 79.28 US$47,568
2026-05-12 2026-05-08
PlS Planned sale
200 -0.2%
78.00
US$15,600 		200 -0.2% 78.00 US$15,600
2026-05-12 2026-05-08
PlS Planned sale
1,900 -1.8%
79.31
US$150,689 		1,900 -1.8% 79.31 US$150,689
2026-05-12 2026-05-08
PlS Planned sale
840 -0.8%
78.23
US$65,713 		840 -0.8% 78.23 US$65,713
2026-05-08 2026-05-08
PrS Proposed sale
3,540
78.97
US$279,565 		3,540 78.97 US$279,565
2026-04-08 2026-04-06
PlS Planned sale
1,443 -1.4%
69.75
US$100,649 		1,443 -1.4% 69.75 US$100,649
2026-04-08 2026-04-06
PlS Planned sale
822 -0.8%
68.91
US$56,644 		822 -0.8% 68.91 US$56,644
2026-04-06 2026-04-06
PrS Proposed sale
2,265
69.44
US$157,283 		2,265 69.44 US$157,283
2026-02-23 2026-02-19
PlS Planned sale
590 -0.6%
69.82
US$41,194 		590 -0.6% 69.82 US$41,194
2026-02-23 2026-02-19
PlS Planned sale
212 -0.2%
68.54
US$14,530 		212 -0.2% 68.54 US$14,530
2026-02-23 2026-02-19
PlS Planned sale
1,629 -1.5%
69.82
US$113,737 		1,629 -1.5% 69.82 US$113,737
2026-02-23 2026-02-19
PlS Planned sale
588 -0.5%
68.54
US$40,302 		588 -0.5% 68.54 US$40,302
2026-02-19 2026-02-19
PrS Proposed sale
3,019
68.57
US$207,013 		3,019 68.57 US$207,013
2026-02-19 2026-02-18
S Sale
3,081 -2.8%
69.36
US$213,698 		3,081 -2.8% 69.36 US$213,698
2026-02-18 2026-02-18
PrS Proposed sale
3,081
69.36
US$213,688 		3,081 69.36 US$213,688
2026-02-19 2026-02-17
PlS Planned sale
2 -0.0%
70.13
US$140 		2 -0.0% 70.13 US$140
2026-02-19 2026-02-17
PlS Planned sale
2,811 -2.5%
69.29
US$194,774 		2,811 -2.5% 69.29 US$194,774
2026-02-17 2026-02-17
PrS Proposed sale
2,813
69.14
US$194,491 		2,813 69.14 US$194,491
2026-01-12 2026-01-09
PlS Planned sale
107 -0.1%
79.52
US$8,509 		107 -0.1% 79.52 US$8,509
2026-01-12 2026-01-09
PlS Planned sale
686 -0.6%
78.71
US$53,995 		686 -0.6% 78.71 US$53,995
2026-01-12 2026-01-09
PlS Planned sale
1,521 -1.3%
77.46
US$117,817 		1,521 -1.3% 77.46 US$117,817
2026-01-09 2026-01-09
PrS Proposed sale
2,314
77.92
US$180,314 		2,314 77.92 US$180,314
2026-01-12 2026-01-08
S Sale
1,286 -1.1%
76.45
US$98,315 		1,286 -1.1% 76.45 US$98,315
2026-01-12 2026-01-08
PlS Planned sale
265 -0.2%
77.07
US$20,424 		265 -0.2% 77.07 US$20,424
2026-01-12 2026-01-08
PlS Planned sale
2,482 -2.1%
76.56
US$190,022 		2,482 -2.1% 76.56 US$190,022
2026-01-08 2026-01-08
PrS Proposed sale
1,286
76.45
US$98,314 		1,286 76.45 US$98,314
2026-01-08 2026-01-08
PrS Proposed sale
2,747
76.61
US$210,448 		2,747 76.61 US$210,448
2026-01-08 2026-01-07
PlS Planned sale
11 -0.0%
78.98
US$869 		11 -0.0% 78.98 US$869
2026-01-08 2026-01-07
PlS Planned sale
269 -0.2%
77.92
US$20,960 		269 -0.2% 77.92 US$20,960
2026-01-08 2026-01-07
PlS Planned sale
471 -0.4%
77.10
US$36,314 		471 -0.4% 77.10 US$36,314
2026-01-08 2026-01-07
PlS Planned sale
38 -0.0%
78.60
US$2,987 		38 -0.0% 78.60 US$2,987
2026-01-08 2026-01-07
PlS Planned sale
949 -0.8%
77.91
US$73,937 		949 -0.8% 77.91 US$73,937
2026-01-08 2026-01-07
PlS Planned sale
1,638 -1.4%
77.11
US$126,306 		1,638 -1.4% 77.11 US$126,306
2026-01-08 2026-01-07
S Sale
1,503 -1.3%
77.48
US$116,452 		1,503 -1.3% 77.48 US$116,452
2026-01-07 2026-01-07
PrS Proposed sale
3,376
77.42
US$261,382 		3,376 77.42 US$261,382
2026-01-07 2026-01-07
PrS Proposed sale
1,503
77.48
US$116,458 		1,503 77.48 US$116,458
2026-01-08 2026-01-06
S Sale
1,739 -1.4%
76.95
US$133,816 		1,739 -1.4% 76.95 US$133,816
2026-01-06 2026-01-06
PrS Proposed sale
1,739
76.95
US$133,812 		1,739 76.95 US$133,812
2026-01-06 2026-01-05
PlS Planned sale
108 -0.1%
76.79
US$8,293 		108 -0.1% 76.79 US$8,293
2026-01-06 2026-01-05
PlS Planned sale
1,035 -0.8%
76.10
US$78,764 		1,035 -0.8% 76.10 US$78,764
2026-01-06 2026-01-05
PlS Planned sale
1,123 -0.9%
74.92
US$84,135 		1,123 -0.9% 74.92 US$84,135
2026-01-05 2026-01-05
PrS Proposed sale
2,266
76.00
US$172,216 		2,266 76.00 US$172,216