InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (0 ops.)
Insider track record
CFODisclosed buys
1
Disclosed sells
0
T+90 hit rate
0%
T+90 mean return
-21.6%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
No signal scores available.
Explore the full record of transactions filed by Mathiesen Jeffrey S, Chief Financial Officer. Director active across 3 companies, notably Helius Medical Technologies, INC.. In total, 9 reports have been published. Split: 1 buy · 0 sell. Total volume traded: €14k. Activity tracked since 25 May 2021. The latest transaction was filed on 3 April 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Mathiesen Jeffrey S
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations9 total
41,929 shares0Common StockSEC:0001296853-26-000001:0
27,778 shares0Common StockSEC:0001213900-25-015155:0
20,576 shares0Common StockSEC:0001213900-23-021351:0
29,240 shares0Common StockSEC:0001596771-22-000017:0
8,011 shares0Class A Common StockSEC:0001209191-22-011221:0
3,000 shares@ US$5.3098100.0% of flowClass A Common StockSEC:0001209191-21-070472:0
Canonical exit: 17 Mar 2022 (T+90)
4,592 shares0Common StockSEC:0001596771-21-000039:0
4,316 shares0Common StockSEC:0001437749-21-013593:0
937 shares0Class A Common StockSEC:0001209191-21-036235:0
9 of 9 declarations
About Mathiesen Jeffrey S
Jeffrey S. Mathiesen is the Chief Financial Officer and Treasurer at Helius Medical Technologies, Inc., Panbela Therapeutics, Inc., and NeuroOne Medical Technologies Corp. He oversees financial operations and contributes to the overall strategy of these companies.
