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Birchler Brian

Track

Insider profile

Performance

Overall performance
2.6
Performance over holding periods
2.6
30 days 90 days 120 days
Average return -8% 8.2% 15.1%
Success rate 33% 68% 82%
Transactions
11 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Birchler Brian's trades of Ionis Pharmaceuticals Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• 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
2026-04-17 2026-04-16
S Sale
97,231 +48.9%
46.28
US$2,293,263 		97,231 +48.9% 46.28 US$2,293,263
2026-04-16 2026-04-16
PrS Proposed sale
46,380
232.50
US$2,450,162 		46,380 232.50 US$2,450,162
2026-02-02 2026-01-30
S Sale
60,987 +18.1%
260.08
US$4,894,861 		60,987 +18.1% 260.08 US$4,894,861
2026-01-30 2026-01-30
PrS Proposed sale
6,179
82.91
US$512,272 		6,179 82.91 US$512,272
2026-01-20 2026-01-16
S Sale
8,480 -12.3%
75.11
US$636,933 		8,480 -12.3% 75.11 US$636,933
2026-01-16 2026-01-16
PrS Proposed sale
8,480
76.22
US$646,376 		8,480 76.22 US$646,376
2025-11-07 2025-11-06
PlS Planned sale
8,000 -14.1%
76.17
US$609,379 		8,000 -14.1% 76.17 US$609,379
2025-10-16 2025-10-15
PlS Planned sale
12,425 -17.9%
72.23
US$897,398 		12,425 -17.9% 72.23 US$897,398
2025-10-16 2025-10-14
PlS Planned sale
11,475 -16.8%
72.03
US$826,589 		11,475 -16.8% 72.03 US$826,589
2025-10-14 2025-10-14
PrS Proposed sale
31,900
72.00
US$2,296,800 		31,900 72.00 US$2,296,800
2025-04-17 2025-04-16
S Sale
680 -1.2%
28.37
US$19,292 		680 -1.2% 28.37 US$19,292
2025-04-16 2025-04-16
PrS Proposed sale
680
28.37
US$19,292 		680 28.37 US$19,292
2025-01-17 2025-01-16
S Sale
5,400 -8.9%
32.70
US$176,580 		5,400 -8.9% 32.70 US$176,580
2025-01-16 2025-01-16
PrS Proposed sale
5,400
32.70
US$176,580 		5,400 32.70 US$176,580
2024-10-25 2024-10-25
S Sale
153,846
6.50
£999,999 		153,846 6.50 £999,999
2024-07-09 2024-07-08
S Sale
69,479
5.65
£392,556 		69,479 5.65 £392,556
2024-04-17 2024-04-16
S Sale
905 -1.9%
41.66
US$37,698 		905 -1.9% 41.66 US$37,698
2024-04-16 2024-04-16
PrS Proposed sale
905
42.00
US$38,010 		905 42.00 US$38,010
2024-01-18 2024-01-17
S Sale
4,497 -9.2%
50.42
US$226,725 		4,497 -9.2% 50.42 US$226,725
2024-01-17 2024-01-17
PrS Proposed sale
4,497
50.54
US$227,276 		4,497 50.54 US$227,276
2023-04-19 2023-04-18
S Sale
672 -1.8%
36.50
US$24,530 		672 -1.8% 36.50 US$24,530
2023-04-17 2023-04-17
PrS Proposed sale
713
37.78
US$26,937 		713 37.78 US$26,937
2022-04-08 2022-04-08
S Sale
17,815
7.65
£136,285 		17,815 7.65 £136,285