NasdaqHealth CarePharmaceutical PreparationsHOUSTON, TX

Decoy Therapeutics Inc. DCOY

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Estimated market cap $2.33M2.39M shares, shares as of Nov 11, 2026CIK 1615219

Insider trades, 12 mo

2 buys · 2 sells

$17.28 sold, open market

Congress trades, 24 mo

—

No disclosed trades

13F holders, Q3 2026

1.7% of shares · 1 added

13F holders

…

Lobbying, 12 mo

—

No lobbying filings

Federal contracts, 12 mo

—

None matched

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Latest 10-Q

Q3 2026

What changed in Decoy Therapeutics Inc.'s latest quarterly report, compared with the one before.

Filed Nov 12, 2026 · Quarter ended Sep 30, 2026

Compared with the 10-Q for the quarter ended Jun 30, 2026. Sections compared: management's discussion, risk factors, legal proceedings and controls and procedures.

Read the 10-Q on sec.gov ↗Filing index ↗

Latest 10-Q

What changed in Decoy Therapeutics Inc.'s latest quarterly report, compared with the one before.

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Insider trades

4 in 12 mo

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

No open-market insider trades reported since Dec 30, 2025. Insiders have two business days to file.

Recent insider trades

Arnold C. Hanish Director	Dec 30, 2025 Form 4 ↗	Sale	−$7.68 12 sh @ $0.64	+29.3%
Arnold C. Hanish Director	Dec 30, 2025 Form 4 ↗	Sale	−$9.6 15 sh @ $0.64	+29.3%
Arnold C. Hanish Director	Nov 20, 2025 Form 4 ↗	Buy	+$3,750 5,000 sh @ $0.75	+6.4%
Mark J. Rosenblum Exec VP Finance, CFO	Nov 20, 2025 Form 4 ↗	Buy	+$16.0K 20,000 sh @ $0.80	+6.4%

All DCOY insider trades →Planned sales (Form 144): see notices

Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

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13F holders

40,750 shares

5 funds report DCOY. Values checked against market prices.

Funds own 0.3% of shares (Q1 2026)

4 funds hold the stock.

Q3 2026: 1.7% · 5,560 of ~8,900 funds reported so far

Q1 20260.3%
Q3 2026 (so far)1.7%

Q3 2026. 3 new, 1 added to, 0 trimmed, 2 exited since Q2 2026.

Top 13F holders
#
1	Commonwealth Equity Services, LLC 13F ↗	32,000	$63.0K	New
2	UBS Group AG 13F ↗	4,525	$8,914	+18000.0%
3	Vanguard Capital Management LLC 13F ↗	4,034	$7,947	unchanged
4	SBI Securities Co., Ltd. 13F ↗	111	$219	New
5	JPMorgan Chase & Co 13F ↗	80	$170	New

Download CSV Every fund that holds DCOY, not only these ten. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

13F holders

Funds that report this stock, checked against market prices.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

No recent congressional trades for this company.

Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

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Lobbying

What Decoy Therapeutics Inc. and its lobbying firms report each quarter.

No recent lobbying filings for this company.

Lobbying

What Decoy Therapeutics Inc. and its lobbying firms report each quarter.

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Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

Funds holding the stock

Shares they report

Funds holding the stock by quarter

Q1 2026	4	—	1,609	$10.5K
Q2 2026	4	0	4,317	$31.0K
Q3 2026	5	+1	40,750	$80.3K

Each point is a quarter-end, from Q1 2026 to Q3 2026. A fund's 13F lists its long positions in US-listed securities as of the last day of the quarter and arrives up to 45 days later, so each point shows holdings at quarter-end, not on the day they were reported.

Common shares only; options and bonds are left out. When a fund amends a report, the amended version is the one counted.

The history follows the company's current CUSIP number (79400X602). If the company's shares were ever re-issued under a different CUSIP, the quarters before the change are not part of this series, so the first point (Q1 2026) can be later than the stock's first appearance in 13F reports.

Share counts are adjusted for stock splits; none took place between these quarters. Values are in dollars as reported at the time and are not adjusted.

A quarter appears once our daily update has built its summary. If a summary cannot be built, older reports are kept and the chart shows the quarters it has until the next update repairs it.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

Ownership stakes3 in 12 mo 8-K events2 in 90 days Patents1 patent granted Short interestFINRA · updated Oct 15 Planned insider salesNone in 12 mo Executive pay3 fiscal years Wikipedia attentionNone on record SEC enforcementNone on record IPO history7 registrations Ownership stakes…8-K events…Patents…Short interest…Planned insider sales…Executive pay…Wikipedia attention…SEC enforcement…

About the company

The basics from the company’s SEC registration.

Legal name: Decoy Therapeutics Inc.
Address: 2450 HOLCOMBE BLVD, SUITE J-608, HOUSTON, TX 77021
Phone: 346-772-0346
Fiscal year ends: Dec 31
Filer category: Non-accelerated filer, smaller reporting company
Incorporated in: DE
Listed as: DCOY (Nasdaq)
Former names: Salarius Pharmaceuticals, Inc. (until 2026); Flex Pharma, Inc. (until 2019)
SEC filings: All filings on SEC EDGAR ↗

About the company

The basics from the company’s SEC registration.

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$0.9752−$0.08 (−7.56%) Nov 13 close

1M3M1Y

Oct 13, 2026Low $0.9204 · High $1.24Nov 13, 2026

Aug 13, 2026Low $0.9204 · High $3.85Nov 13, 2026

Jan 7, 2026Low $0.9204 · High $15.00Nov 13, 2026

Congress purchase Congress sale Insider sale over $1M

Adjusted for stock splits; not for dividends. The stock split 1-for-12 on Mar 9, 2026; earlier prices are shown divided by the split ratio. Where prices come from.

Live chart

Intraday and historical prices from TradingView. Quotes may be delayed.

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Information, not investment advice. Company matching is automatic; check the source before relying on one row.