NASDAQ: DCOY
Decoy Therapeutics Inc Stock Ownership - Who owns Decoy Therapeutics?

Insider buying vs selling

Have Decoy Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Arnold C. HanishDirector2025-12-3015$0.64
$9.60Sell
Arnold C. HanishDirector2025-12-3012$0.64
$7.68Sell
Arnold C. HanishDirector2025-11-205,000$0.75
$3.74kBuy
Mark J. RosenblumExec VP Finance CFO2025-11-2020,000$0.80
$16.00kBuy

1 of 1

DCOY insiders have bought more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when DCOY insiders and whales buy or sell their stock.

DCOY Shareholders

What type of owners hold Decoy Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Christoph H. Westphal141.77%8,310,759$6.81MInsider
Boston Foundation Inc37.53%2,200,000$1.80MInsider
Roderick MacKinnon7.36%431,277$353.65kInsider
Jonathan P. Northrup6.02%352,713$289.22kInsider
Barton Pk LLC1.71%100,000$82.00kInsider
John Sculley1.01%59,111$48.47kInsider
Thomas 1. Wessel0.97%57,064$46.79kInsider
David J. Arthur0.84%49,135$40.29kInsider
Scott Jordan0.54%31,609$25.92kInsider
Mark J. Rosenblum0.34%20,177$16.55kInsider

1 of 3

DCOY vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DCOY0.01%99.99%Net BuyingNet Buying
GOVX0.75%99.25%Net BuyingNet Buying
IMRN0.03%0.00%
GNPX20.95%79.05%Net Selling
VIVS1.24%98.76%Net SellingNet Selling

Decoy Therapeutics Stock Ownership FAQ

Who owns Decoy Therapeutics?

Decoy Therapeutics (NASDAQ: DCOY) is owned by 0.01% institutional shareholders, 199.10% Decoy Therapeutics insiders, and 0.00% retail investors. Christoph H. Westphal is the largest individual Decoy Therapeutics shareholder, owning 8.31M shares representing 141.77% of the company. Christoph H. Westphal's Decoy Therapeutics shares are currently valued at $6.81M.

If you're new to stock investing, here's how to buy Decoy Therapeutics stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.