InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (2 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
2
T+90 hit rate
50%
T+90 mean return
-0.5%
Across 4 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Discover the full record of transactions filed by BERTHELSEN SPENCER R, Director. Director active across 1 company, notably Ionis Pharmaceuticals INC. In total, 15 reports have been recorded. Breakdown: 0 buy · 2 sells. Total volume traded: €521k. History available since 23 June 2021. The latest transaction was disclosed on 1 June 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations15 total
8,000 sharesCommon StockSEC:0000874015-26-000207:0
8,000 sharesCommon StockSEC:0000874015-26-000207:1
8,000 shares@ US$24.420.0013% mcap8.9% of flowCommon StockSEC:0000874015-26-000188:0
8,000 shares@ US$75.670.0041% mcap27.7% of flowCommon StockSEC:0000874015-26-000188:1
4,677 shares0Common StockSEC:0000874015-24-000177:0
16,000 shares@ US$35.5328.1% of flowCommon StockSEC:0000874015-24-000149:0
1,777 shares0Common StockSEC:0000874015-23-000172:0
11,250 shares@ US$28.4715.6% of flowCommon StockSEC:0000874015-23-000144:0
5,333 shares0Common StockSEC:0000874015-22-000136:0
2,665 shares0Common StockSEC:0000874015-22-000136:1
11,250 shares@ US$12.940.0011% mcap36.8% of flowCommon StockSEC:0000874015-22-000106:0
5,333 shares0Common StockSEC:0000874015-21-000132
5,333 shares0Common StockSEC:0000874015-21-000132:0
15,000 shares@ US$9.306.2% of flowCommon StockSEC:0000874015-21-000088
15,000 shares@ US$9.300.0009% mcap31.6% of flowCommon StockSEC:0000874015-21-000088:0
15 of 15 declarations
About BERTHELSEN SPENCER R
Spencer R. Berthelsen is a Board Member at Ionis Pharmaceuticals Inc. He contributes to overseeing the company's activities and developing growth strategies. His expertise in the biopharmaceutical sector is essential for maximizing asset value.
