Decoy Therapeutics Inc. (DCOY)
Data as of , from SEC Form 4 filings.
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Arnold C. Hanish - DirectorOpen-market purchase$4K- Mark J. Rosenblum - OfficerOpen-market purchase
About Decoy Therapeutics Inc. (DCOY)
Decoy Therapeutics Inc is a pre-clinical stage biotechnology company focused on advancing its pipeline of peptide conjugate therapeutics engineered through its proprietary IMP3ACT platform. The IMP3ACT platform represents a paradigm shift in peptide conjugate drug discovery and manufacturing, leveraging machine learning (ML) and artificial intelligence (AI" tools alongside high-speed synthesis techniques to rapidly engineer, optimize and manufacture peptide conjugates that target serious unmet medical needs. The company manages its business in one operating segment, focused on the discovery and development therapeutics for patients with high, unmet medical needs. Its pipeline programs include: Pan-Coronavirus; and Tripledemic.
- HOUSTON, TX
- 11
- 2015
- Nasdaq
DCOY Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 10 | 65,253 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
DCOY insider transactions (Form 4)
1212 Form 4 filings on record, the earliest from Nov 20, 2025, newest first.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
 Jonathan I. Lieber - Director | Grant or award | Common Stock | 2,000 | $0.00 | - | |
| Frederick Pierce II - Officer | Grant or award | Common Stock | 33,455 | $0.00 | - | |
| Peter Klaus Marschel - Officer | Grant or award | Common Stock | 3,900 | $0.00 | - | |
| Mark J. Rosenblum - Officer | Grant or award | Common Stock | 9,682 | $0.00 | - | |
| Barbara Louise Hibner - Officer | Grant or award | Common Stock | 4,216 | $0.00 | - | |
| Arnold C. Hanish - Director | Grant or award | Common Stock | 3,000 | $0.00 | - | |
| Paul Lammers - Director | Grant or award | Common Stock | 2,000 | $0.00 | - | |
| Tess Burleson - Director | Grant or award | Common Stock | 2,000 | $0.00 | - | |
| William K. McVicar - Director | Grant or award | Common Stock | 3,000 | $0.00 | - | |
| Patricia G. Gauthier - Director | Grant or award | Common Stock | 2,000 | $0.00 | - | |
| Arnold C. Hanish - Director | Open-market purchase | Common Stock | 5,000 | $0.75 footnote F1 | $4K | |
| ||||||
| Mark J. Rosenblum - Officer | Open-market purchase | Common Stock | 20,000 | $9.60 | $16K | |
DCOY insider trading FAQ
What is the latest insider trade for DCOY?
Decoy Therapeutics Inc. (DCOY) had 10 insider filings in the last 90 days, with the most recent on 2 September 2026. The full record for DCOY runs to 12 Form 4 filings, the earliest from 20 November 2025. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying DCOY stock?
No insider purchases of DCOY were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling DCOY stock?
No insider sales of DCOY were filed in the last 90 days.
Where can I see DCOY SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects DCOY Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Jonathan I. Lieber view on EDGAR
- - Frederick Pierce II view on EDGAR
- - Peter Klaus Marschel view on EDGAR
- - Mark J. Rosenblum view on EDGAR
- - Barbara Louise Hibner view on EDGAR
- - Arnold C. Hanish view on EDGAR
- - Paul Lammers view on EDGAR
- - Tess Burleson view on EDGAR
- - William K. McVicar view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Health Care
- Where DCOY's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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- The daily trading plan of ranked insider buys, on a delay, with the plan archive
