Insider Profile
Felderhof, G. William
1
Companies Filed At
2
Open-Market Buys (2yr)
$108K
Buy Value (2yr, open-market)
May 20, 2026
Most Recent Trade
Date Company Role Nature Dir. Shares Price Value Score
May 20, 2026 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 550,000 $0.08 $44K
Mar 09, 2026 $ZFR
Zephyr Minerals Ltd.
Expiry Sell 455,000
Feb 26, 2026 $ZFR
Zephyr Minerals Ltd.
Exercise Buy 725,000 $0.08 $58K
Feb 26, 2026 $ZFR
Zephyr Minerals Ltd.
Exercise Sell 725,000 $0.08 $58K
Feb 25, 2026 $ZFR
Zephyr Minerals Ltd.
Open Market Buy 725,000 $0.08 $58K
Nov 10, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 525,000
Jul 25, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 525,000 $0.08 $42K
Jul 25, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 525,000 $0.04 $21K
Jul 25, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 1,250,000 $0.08 $100K
Jul 25, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 1,250,000 $0.04 $50K
Jun 12, 2025 $ZFR
Zephyr Minerals Ltd.
Open Market Buy 1,250,000 $0.04 $50K
May 29, 2025 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 550,000 $0.05 $28K
Aug 15, 2024 $ZFR
Zephyr Minerals Ltd.
Expiry Sell 100,000
May 31, 2024 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 75,000
May 31, 2024 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 75,000 $0.05 $4K
Aug 15, 2023 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 100,000 $0.09 $9K
Aug 15, 2023 $ZFR
Zephyr Minerals Ltd.
Open Market Sell 100,000
Jan 17, 2023 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 250,000
Jan 13, 2022 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 200,000 $0.16 $32K
Mar 10, 2021 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 455,000 $0.19 $86K
Dec 16, 2020 $ZFR
Zephyr Minerals Ltd.
Expiry Sell 325,000
Nov 25, 2020 $ZFR
Zephyr Minerals Ltd.
Open Market Buy 21,000 $0.14 $3K
Jun 05, 2020 $ZFR
Zephyr Minerals Ltd.
Exercise Buy 7,500 $0.30 $2K
Jun 05, 2020 $ZFR
Zephyr Minerals Ltd.
Exercise Sell 7,500 $0.30 $2K
May 08, 2020 $ZFR
Zephyr Minerals Ltd.
Comp. Grant Buy 200,000 $0.26 $52K
Muted rows are plan purchases, compensation grants, or DRIP — not open-market. Confluence Scores reflect the company's current score, not the score at time of trade.
Form55 provides data and analysis for informational purposes only. Nothing on this site constitutes investment advice or a recommendation to buy or sell any security. Past performance is not indicative of future results.