Decoy Therapeutics Inc.
DCOY- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001615219
No open-market purchases or sales by Decoy Therapeutics Inc. insiders were filed in the last 90 days; 4 institutions reported holding it in 13F filings for Q2 2026, worth $31.0K in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Decoy Therapeutics Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Decoy Therapeutics Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Lieber Jonathan I | Director | 2,002 | Sep 2, 2026 | 1 |
| Pierce Frederick II | Chief Executive Officer | 34,844 | Sep 2, 2026 | 1 |
| Marschel Peter Klaus | Chief Business Officer | 3,900 | Sep 2, 2026 | 1 |
| Rosenblum Mark J | Chief Financial Officer | 11,363 | Sep 2, 2026 | 2 |
| Hibner Barbara Louise | Chief Scientific Officer | 4,216 | Sep 2, 2026 | 1 |
| Hanish Arnold C | Director | 3,418 | Sep 2, 2026 | 3 |
| Lammers Paul | Director | 2,001 | Sep 2, 2026 | 1 |
| Burleson Tess | Director | 2,002 | Sep 2, 2026 | 1 |
| McVicar William K. | Director | 3,002 | Sep 2, 2026 | 1 |
| Gauthier Patricia G. | Director | 2,000 | Sep 2, 2026 | 1 |
| Arthur David J. | Chief Executive Officer | 48,019 | Apr 12, 2024 | 0 |
| McCreedy Bruce J Jr. | Director | 1,788 | Feb 22, 2024 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 2, 2026 (view filing) | Dec 30, 2025 | 3 days | Hanish Arnold CDirector | SSale | −15 | $0.64 | −$9.6 | −0.3%5.00K after | |
| Jan 2, 2026 (view filing) | Dec 30, 2025 | 3 days | Hanish Arnold CDirector | SSale | −12 | $0.64 | −$7.68 | −100.0%0 after | |
| Nov 24, 2025 (view filing) | Nov 20 | 4 days | Hanish Arnold CDirector | PPurchase | +5.00K | $0.75 | +$3.75K | +33,333.3%5.01K after | |
| Nov 20, 2025 (view filing) | Nov 20 | Same day | Rosenblum Mark JExec VP Finance, CFO | PPurchase | +20.0K | $0.80 | +$16.0K | +11,299.4%20.2K after | |
| Jun 8, 2022 (view filing)3:14 PM ET | Jun 7 | 1 day | Burleson TessDirector | PPurchase | +27.7K | $0.18 | +$4.99K | +636.8%32.0K after | |
| Jun 8, 2022 (view filing)3:12 PM ET | Jun 7 | 1 day | Lieber Jonathan IDirector | PPurchase | +37.5K | $0.1871 | +$7.02K | New position37.5K after | |
| Jun 7, 2022 (view filing)4:33 PM ET | Jun 6 | 1 day | McVicar William K.Director | PPurchase | +26.6K | $0.1883 | +$5.00K | New position26.6K after | |
| Jun 6, 2022 (view filing)8:33 PM ET | Jun 3 | 3 days | Hanish Arnold CDirector | PPurchase | +28.0K | $0.184 | +$5.15K | +152.6%46.4K after | |
| Jun 6, 2022 (view filing) | Aug 21, 2020 | 654 days | Hanish Arnold CDirector | PPurchase | +4.00K | $0.98 | +$3.92K | +54.4%11.3K after | Amended |
| Jun 6, 2022 (view filing) | Feb 11, 2020 | 846 days | Hanish Arnold CDirector | PPurchase | +4.35K | $1.15 | +$5.00K | +145.0%7.35K after | Amended |
| Jun 6, 2022 (view filing) | Nov 25, 2019 | 924 days | Hanish Arnold CDirector | PPurchase | +3.00K | $3.59 | +$10.8K | New position3.00K after | Amended |
| May 31, 2022 (view filing)5:17 PM ET | May 26 | 5 days | Arthur David J.Chief Executive Officer | PPurchase | +22.0K | $0.1817 | +$4.00K | +8.5%281.7K after | 2 lots |
| May 31, 2022 (view filing)5:17 PM ET | May 26 | 5 days | Arthur David J.Chief Executive Officer | PPurchase | +21.9K | $0.1821 | +$3.99K | +7.8%303.6K after | 3 lots |
| May 31, 2022 (view filing)5:13 PM ET | May 31 | Same day | Rosenblum Mark JExec VP Finance, CFO | PPurchase | +28.0K | $0.18 | +$5.04K | +23.3%148.3K after | |
| Mar 9, 2022 (view filing)4:03 PM ET | Mar 3 | 6 daysLate | Rosenblum Mark JExec VP Finance, CFO | PPurchase | +76.2K | $0.391 | +$29.8K | +223.8%110.3K after | |
| Mar 9, 2022 (view filing)4:01 PM ET | Mar 3 | 6 daysLate | Arthur David J.Chief Executive Officer | PPurchase | +139.5K | $0.391 | +$54.5K | +126.6%249.7K after | |
| Aug 17, 2021 (view filing) | Aug 17 | Same day | Arthur David J.Chief Executive Officer | PPurchase | +4.00K | $0.895 | +$3.58K | +4.1%102.2K after | 2 lots |
| Aug 11, 2021 (view filing) | Aug 10 | 1 day | Hanish Arnold CDirector | PPurchase | +7.00K | $0.88 | +$6.16K | +61.7%18.4K after |