Insider Profile
Matheson, Joseph Roderick
$MRVL
1
Companies Filed At
29
Open-Market Buys (2yr)
$154K
Buy Value (2yr, open-market)
Aug 14, 2026
Most Recent Trade
Currently Accumulating Companies this insider is net-buying on the open market over the last 90 days
$MRVL 58
Marvel Biosciences Corp.
$5K · 1 buy
Last buy Aug 14, 2026
Date Company Role Nature Dir. Shares Price Value Score
Aug 14, 2026 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 30,000 $0.17 $5K 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Buy 4,166,667 — — 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Sell 4,166,667 — — 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Buy 4,166,667 $0.12 $500K 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Buy 4,166,667 $0.12 $500K 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Ownership Chg Buy 4,166,667 — — 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Ownership Chg Sell 4,166,667 — — 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Sell 4,166,667 — — 58
Feb 24, 2026 $MRVL
Marvel Biosciences Corp.
— Corp. Event Buy 4,166,667 — — 58
Nov 12, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 5,500 $0.20 $1K 58
Oct 14, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 49,000 $0.23 $12K 58
Aug 28, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 20,000 $0.24 $5K 58
Aug 28, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.23 $2K 58
Aug 15, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 35,000 $0.20 $7K 58
Aug 13, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.19 $2K 58
Aug 12, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 40,000 $0.19 $8K 58
Aug 12, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 20,000 $0.19 $4K 58
Aug 08, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.18 $5K 58
Aug 08, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.18 $4K 58
Aug 06, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.17 $4K 58
Aug 01, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.18 $4K 58
Aug 01, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.18 $2K 58
Jul 30, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 35,000 $0.16 $6K 58
Jul 29, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 6,000 $0.16 $960 58
Jul 29, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 14,000 $0.16 $2K 58
Jul 16, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.18 $2K 58
Jul 15, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 20,000 $0.19 $4K 58
Jul 09, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 55,000 $0.17 $9K 58
Jul 04, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.17 $4K 58
Jun 30, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.17 $2K 58
Jun 20, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 184,000 $0.13 $24K 58
Jun 12, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 50,000 $0.11 $6K 58
Jun 05, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 55,000 $0.10 $6K 58
May 13, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 75,000 $0.09 $7K 58
Feb 21, 2025 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 35,000 $0.14 $5K 58
Nov 13, 2024 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 70,000 $0.14 $10K 58
Sep 20, 2024 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 25,000 $0.12 $3K 58
Jul 26, 2024 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 50,000 $0.12 $6K 58
Jul 23, 2024 $MRVL
Marvel Biosciences Corp.
— Comp. Grant Buy 550,000 — — 58
Dec 21, 2023 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 55,000 $0.09 $5K 58
Jul 31, 2023 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 100,000 $0.08 $8K 58
Jul 26, 2023 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 100,000 $0.08 $8K 58
Sep 26, 2022 $MRVL
Marvel Biosciences Corp.
— Comp. Grant Buy 175,000 — — 58
Jul 18, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Sell 250,000 $0.10 $25K 58
Jul 18, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Sell 150,000 $0.10 $15K 58
May 19, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.12 $1K 58
May 12, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 5,000 $0.12 $625 58
May 11, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 10,000 $0.12 $1K 58
Apr 12, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 13,000 $0.15 $2K 58
Apr 07, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 20,000 $0.15 $3K 58
Mar 02, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 5,000 $0.19 $950 58
Jan 17, 2022 $MRVL
Marvel Biosciences Corp.
— Open Market Buy 5,000 $0.22 $1K 58
Jun 14, 2021 $MRVL
Marvel Biosciences Corp.
— Other Sell — — — 58
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.