Dere Willard H Insider Trades

Insider Trading History

Track insider trading activity for Dere Willard H. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Metagenomi
Metagenomi MGX
Director
Holding Value $26k 21,000 shares
Last Trade
Jun 09, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$25.8k 21,000 shares
$1.23
$1.24
Biomarin Pharmaceutical - Registered Shares
Biomarin Pharmaceutical - Registered Shares BMRN
Director
Holding Value $2.62M 46,440 shares
Last Trade
Jun 02, 2026 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$399k 7,490 shares
$53.32
$56.50
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Tender)Reported as Tender on SEC Form 4.
$45.6k 1,567 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $0 0 shares
Last Trade
Jan 06, 2026 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$333k 11,452 shares
$29.08
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $1.79M 61,500 shares
Last Trade
Jun 12, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$558k 61,500 shares
$9.07
$29.08
Metagenomi
Metagenomi MGX
Director
Holding Value $26k 21,000 shares
Last Trade
Jun 10, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$33k 21,000 shares
$1.57
$1.24
Biomarin Pharmaceutical - Registered Shares
Biomarin Pharmaceutical - Registered Shares BMRN
Director
Holding Value $2.2M 38,950 shares
Last Trade
May 20, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$399k 6,650 shares
$59.93
$56.50
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $1.6M 55,000 shares
Last Trade
Jun 11, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.11M 55,000 shares
$56.50
$29.08
Biomarin Pharmaceutical - Registered Shares
Biomarin Pharmaceutical - Registered Shares BMRN
Director
Holding Value $1.82M 32,300 shares
Last Trade
May 21, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$365k 4,720 shares
$77.34
$56.50
Seres Therapeutics
Seres Therapeutics MCRB
Director
Holding Value $423k 60,000 shares
Last Trade
Apr 04, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$906k 60,000 shares
$15.10
$7.05
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $1.14M 39,182 shares
Last Trade
Jan 02, 2024 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$347k 6,112 shares
$56.75
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $962k 33,070 shares
Last Trade
Oct 02, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$347k 11,011 shares
$31.50
$29.08
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $641k 22,059 shares
Last Trade
Jul 03, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$361k 4,217 shares
$85.50
$29.08
Seres Therapeutics
Seres Therapeutics MCRB
Director
Holding Value $247k 35,000 shares
Last Trade
Jun 22, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$191k 35,000 shares
$5.46
$7.05
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $534k 18,355 shares
Last Trade
Jun 08, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$7.09M 32,822 shares
$216.00
$29.08
Biomarin Pharmaceutical - Registered Shares
Biomarin Pharmaceutical - Registered Shares BMRN
Director
Holding Value $1.56M 27,580 shares
Last Trade
May 23, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$385k 4,190 shares
$91.99
$56.50
Mersana Therapeutics
Mersana Therapeutics MRSN
Director
Holding Value $98.1k 3,375 shares
Last Trade
Apr 03, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$359k 3,375 shares
$106.25
$29.08
Radius Recycling
Radius Recycling RDUS
Director
Holding Value $56.9k 1,895 shares
Last Trade
Aug 15, 2022 Sale (Tender)Reported as Tender on SEC Form 4.
$213k 21,300 shares
$10.00
$30.00
Radius Recycling
Radius Recycling RDUS
Director
Holding Value $0 0 shares
Last Trade
Aug 15, 2022 Sale (Sale to Issuer)Shares sold back to the company, such as a repurchase or tender.
$101k 10,000 shares
$10.08
$30.00
Seres Therapeutics
Seres Therapeutics MCRB
Director
Holding Value $224k 31,746 shares
Last Trade
Jul 05, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$122k 31,746 shares
$3.83
$7.05

See more insider trades for free

Join Stockcircle to see more insider trades and be the first to know about new executive transactions.

Sign Up