InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
1
T+90 hit rate
28%
T+90 mean return
-0.5%
Across 18 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Prince Douglas S, Director. Insider active across 2 companies, notably Senseonics Holdings, Inc.. In total, 25 reports have been logged. Split: 0 buy · 1 sell. Total volume traded: €212k. History available since 25 May 2021. The latest transaction was disclosed on 1 April 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Declarations25 total
1,221 shares@ US$6.658.3% of flowCommon StockSEC:0001666995-26-000004:0
1,379 shares@ US$5.892.7% of flowCommon StockSEC:0001666995-26-000002:0
19,673 shares@ US$0.4137.0% of flowCommon StockSEC:0001666995-25-000004:0
17,069 shares@ US$0.4767.5% of flowCommon StockSEC:0001415889-25-019315:0
111,386 shares0Common StockSEC:0001415889-25-014722:0
12,219 shares@ US$0.66492.4% of flowCommon StockSEC:0001415889-25-009963:0
17,177 shares@ US$0.4732.5% of flowCommon StockSEC:0001415889-25-000640:0
24,102 shares@ US$0.33712.3% of flowCommon StockSEC:0001415889-24-024540:0
20,528 shares@ US$0.39582.4% of flowCommon StockSEC:0001415889-24-019179:0
236,344 shares0Common StockSEC:0001415889-24-014538:0
15,931 shares@ US$0.512.4% of flowCommon StockSEC:0001415889-24-010308:0
14,508 shares@ US$0.562.3% of flowCommon StockSEC:0001209191-24-000817:0
14,508 shares@ US$0.562.5% of flowCommon StockSEC:0001209191-23-051518:0
10,253 shares@ US$0.79242.4% of flowCommon StockSEC:0001209191-23-041592:0
147,948 shares0Common StockSEC:0001209191-23-031053:0
14,715 shares@ US$0.63712.7% of flowCommon StockSEC:0001209191-23-023356:0
9,101 shares@ US$1.032.8% of flowCommon StockSEC:0001209191-23-002133:0
7,156 shares0Common StockSEC:0001209191-22-052803:0
9,191 shares0Common StockSEC:0001209191-22-041150:0
99,557 shares0Common StockSEC:0001209191-22-032966:0
4,832 shares@ US$1.940.0028% mcap3.5% of flowCommon StockSEC:0001209191-22-023331:0
3,409 shares@ US$2.750.0027% mcap3.4% of flowCommon StockSEC:0001209191-22-001946:0
2,717 shares@ US$3.450.0027% mcap3.3% of flowCommon StockSEC:0001209191-21-059631:0
2,678 shares@ US$3.500.0026% mcap3.2% of flowCommon StockSEC:0001209191-21-045530:0
136,539 shares@ US$1.900.070% mcap86.6% of flowCommon StockSEC:0001209191-21-036393:0
25 of 25 declarations
About Prince Douglas S
Douglas S. Prince is a Board Member at Senseonics Holdings, Inc. He plays a key role in the governance of the company, contributing to strategy and decision-making. His experience in the healthcare sector is valuable in guiding Senseonics in its development and innovation initiatives.
