Brumm Joshua T Insider Trades

Insider Trading History

Track insider trading activity for Brumm Joshua T. 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
Catalyst Biosciences
Catalyst Biosciences CBIO
Chief Executive Officer
Holding Value $4.41M 281,212 shares
Last Trade
Jun 22, 2026 Sale (Open Market)Shares sold on the open market or in a private sale.
$761k 42,305 shares
$17.99
$15.67
Catalyst Biosciences
Catalyst Biosciences CBIO
Chief Executive Officer
Holding Value $5.07M 323,517 shares
Last Trade
Dec 15, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$3.11M 235,584 shares
$13.19
$15.67
Catalyst Biosciences
Catalyst Biosciences CBIO
Chief Executive Officer
Holding Value $5.42M 345,672 shares
Last Trade
Dec 08, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$4.55M 345,672 shares
$13.17
$15.67
Catalyst Biosciences
Catalyst Biosciences CBIO
Chief Executive Officer
Holding Value $4.21M 268,400 shares
Last Trade
Jun 13, 2025 Sale
$12.9M 805,200 shares
$16.00
$15.67
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $2M 83,269 shares
Last Trade
Mar 11, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.28M 50,000 shares
$25.55
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $14.5M 604,385 shares
Last Trade
Mar 11, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$1.28M 50,000 shares
$25.55
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $13.5M 564,313 shares
Last Trade
Mar 11, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.7M 66,387 shares
$25.67
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $17.2M 715,490 shares
Last Trade
Mar 08, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$9.42M 363,343 shares
$25.93
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $22M 917,728 shares
Last Trade
Mar 08, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$9.14M 363,343 shares
$25.16
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $3.2M 133,269 shares
Last Trade
Mar 08, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$9.14M 363,343 shares
$25.16
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $13.3M 554,385 shares
Last Trade
Mar 07, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$235k 9,086 shares
$25.85
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $8.22M 342,681 shares
Last Trade
Mar 01, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.75M 94,480 shares
$29.13
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $15.3M 638,975 shares
Last Trade
Mar 01, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$2.74M 94,480 shares
$29.04
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $15.8M 657,951 shares
Last Trade
Mar 01, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$2.75M 94,480 shares
$29.13
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $2.46M 102,343 shares
Last Trade
Feb 29, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$148k 5,520 shares
$26.90
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $13.7M 568,991 shares
Last Trade
Feb 29, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$148k 5,520 shares
$26.90
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $13.5M 563,471 shares
Last Trade
Feb 29, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$152k 5,520 shares
$27.50
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $2.59M 107,863 shares
Last Trade
Jan 04, 2024 Sale (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$4.24M 218,536 shares
$19.39
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $15M 623,272 shares
Last Trade
Jan 04, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$4.05M 218,536 shares
$18.51
$23.99
Dyne Therapeutics
Dyne Therapeutics DYN
CEO & President
Holding Value $19.3M 803,507 shares
Last Trade
Jan 04, 2024 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$4.24M 218,536 shares
$19.39
$23.99

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