Insider Profile
Ostroff, Brian Richard
$DAN $MDM
2
Companies Filed At
0
Open-Market Buys (2yr)
—
Buy Value (2yr, open-market)
Dec 10, 2025
Most Recent Trade
Date Company Role Nature Dir. Shares Price Value Score
Dec 10, 2025 $DAN
Arianne Phosphate Inc.
— Open Market Sell 12,960 $0.20 $3K 70
Dec 09, 2025 $MDM
Madoro Metals Corp.
— Expiry Sell 750,000 $0.08 $60K 7
Dec 09, 2025 $DAN
Arianne Phosphate Inc.
— Open Market Sell 348,440 $0.20 $68K 70
Jun 06, 2025 $MDM
Madoro Metals Corp.
— Other Buy 316,000 — — 7
Jun 06, 2025 $DAN
Arianne Phosphate Inc.
— Other Sell 496,500 — — 70
Jun 06, 2025 $DAN
Arianne Phosphate Inc.
— Other Buy 496,500 — — 70
Jun 06, 2025 $MDM
Madoro Metals Corp.
— Other Sell 316,000 — — 7
Jan 08, 2025 $DAN
Arianne Phosphate Inc.
— Comp. Grant Buy 70,000 — — 70
Oct 14, 2024 $DAN
Arianne Phosphate Inc.
— Expiry Sell 200,000 — — 70
Aug 21, 2024 $DAN
Arianne Phosphate Inc.
— Expiry Sell 20,000 — — 70
Dec 29, 2023 $DAN
Arianne Phosphate Inc.
— Comp. Grant Buy 70,000 — — 70
May 15, 2023 $DAN
Arianne Phosphate Inc.
— Open Market Sell 588,187 $0.34 $203K 70
Dec 29, 2022 $DAN
Arianne Phosphate Inc.
— Expiry Sell 12,500 — — 70
Jun 06, 2022 $MDM
Madoro Metals Corp.
— Other Buy 224,000 — — 7
May 07, 2021 $MDM
Madoro Metals Corp.
— Exercise Sell 250,000 — — 7
May 07, 2021 $MDM
Madoro Metals Corp.
— Exercise Buy 250,000 $0.10 $25K 7
May 06, 2021 $MDM
Madoro Metals Corp.
— Exercise Sell 250,000 — — 7
May 06, 2021 $MDM
Madoro Metals Corp.
— Exercise Buy 250,000 $0.10 $25K 7
Dec 08, 2020 $DAN
Arianne Phosphate Inc.
— Comp. Grant Buy 75,000 — — 70
Oct 27, 2020 $DAN
Arianne Phosphate Inc.
— Other Buy 20,000 — — 70
Jul 06, 2020 $DAN
Arianne Phosphate Inc.
— Comp. Grant Buy 250,000 — — 70
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.