# Phio Pharmaceuticals Corp.: overview

PHIO · Nasdaq · CIK 1533040 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/phio.md) · [Financials](/companies/phio/financials.md) · [Filings](/companies/phio/filings.md) · [Insiders](/companies/phio/insiders.md)

Latest reported revenue: [$0](/filings/0001683168-21-001062.md) for Q4 FY2020, three months to 2020-12-31, from the 10-K filed Mar 25, 2021 (XBRL us-gaap:Revenues, accession 0001683168-21-001062).

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $k | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Diluted EPS | $ per share | [(1.54)](/filings/0001683168-24-008120.md) | not reported | [(0.41)](/filings/0001683168-25-003719.md) | [(0.45)](/filings/0001683168-25-006174.md) | not reported | not reported | not reported | not reported |
| Free cash flow | $k | [(1,953) d](/filings/0001437749-25-034857.md) | [(1,372) d](/filings/0001437749-26-007078.md) | [(1,277)](/filings/0001437749-26-015604.md) | [(2,543) d](/filings/0001437749-26-026271.md) | [(2,092) d](/filings/0001437749-25-034857.md) | [(2,079) d](/filings/0001437749-26-007078.md) | [(4,003)](/filings/0001437749-26-015604.md) | [(4,035) d](/filings/0001437749-26-026271.md) |

- Revenue. XBRL not reported.
- Gross margin (gross profit / revenue). XBRL not reported.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss. Derived values: 12-month figure less the 9-month figure.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY2021 (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $m | not reported | not reported | not reported | not reported | not reported |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | not reported | not reported | not reported | not reported | not reported |
| Diluted EPS | $ per share | [(12.43)](/filings/0001683168-23-001678.md) | [(10.10)](/filings/0001683168-24-002021.md) | [(46.76)](/filings/0001683168-25-002134.md) | [(9.08)](/filings/0001683168-25-002134.md) | not reported |
| Free cash flow | $m | [(11.9)](/filings/0001683168-23-001678.md) | [(12.3)](/filings/0001683168-24-002021.md) | [(10.8)](/filings/0001683168-25-002134.md) | [(7.1)](/filings/0001437749-26-007078.md) | [(8.0)](/filings/0001437749-26-007078.md) |

- Revenue. XBRL not reported.
- Gross margin (gross profit / revenue). XBRL not reported.
- Operating margin (operating income / revenue). XBRL Operating income: us-gaap:OperatingIncomeLoss.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities; Capital expenditure: us-gaap:PaymentsToAcquirePropertyPlantAndEquipment.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/phio/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [JANE STREET GROUP, LLC](/funds/1595888.md) | 2026-06-30 | $120.7k | 117,755 |  | Reduced −1,434 |
| [GEODE CAPITAL MANAGEMENT, LLC](/funds/1214717.md) | 2026-06-30 | $117.4k | 114,574 |  | Reduced −32,680 |
| [VANGUARD CAPITAL MANAGEMENT LLC](/funds/2100119.md) | 2026-06-30 | $96.6k | 94,262 |  | Added +14,409 |
| [NOMURA ASSET MANAGEMENT INTERNATIONAL INC.](/funds/921739.md) | 2026-06-30 | $51.0k | 50,000 |  | New +50,000 |
| [Cetera Investment Advisers](/funds/1666741.md) | 2026-06-30 | $48.7k | 47,500 |  | Added +2,500 |
| [CITADEL ADVISORS LLC](/funds/1423053.md) | 2026-06-30 | $48.3k | 47,150 |  | New +47,150 |
| [VANGUARD FIDUCIARY TRUST CO](/funds/933478.md) | 2026-06-30 | $39.1k | 38,169 |  | Unchanged |
| [NORTHERN TRUST CORP](/funds/73124.md) | 2026-06-30 | $28.5k | 27,768 |  | Added +4,010 |
| [TWO SIGMA INVESTMENTS, LP](/funds/1179392.md) | 2026-06-30 | $22.0k | 21,501 |  | Reduced −10,994 |
| [XTX Topco Ltd](/funds/1828301.md) | 2026-06-30 | $18.9k | 18,475 |  | Reduced −6,393 |

## Recent filings

[All 884 filings](/companies/phio/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-13 | 12:41 ET | [8-K](/filings/0001437749-26-032505.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-26-032505 |
| 2026-09-28 | 20:01 ET | [8-K](/filings/0001437749-26-031337.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001437749-26-031337 |
| 2026-09-14 | 12:59 ET | [8-K](/filings/0001437749-26-030236.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-26-030236 |
| 2026-08-14 | 20:04 ET | [DEF 14A](/filings/0001437749-26-027997.md) | Proxy statement, period 2026-09-28 | 0001437749-26-027997 |
| 2026-08-06 | 20:16 ET | [8-K](/filings/0001437749-26-026275.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-026275 |
| 2026-08-06 | 20:13 ET | [10-Q](/filings/0001437749-26-026271.md) | Quarterly report, period 2026-06-30 | 0001437749-26-026271 |
| 2026-07-21 | 11:07 ET | [8-K](/filings/0001437749-26-023916.md) | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001437749-26-023916 |
| 2026-05-07 | 20:23 ET | [10-Q](/filings/0001437749-26-015604.md) | Quarterly report, period 2026-03-31 | 0001437749-26-015604 |
| 2026-05-07 | 20:16 ET | [8-K](/filings/0001437749-26-015590.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001437749-26-015590 |
| 2026-04-08 | 20:15 ET | [8-K](/filings/0001437749-26-011761.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001437749-26-011761 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001437749-26-007078.md), filed Mar 5, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 1533040
- Tickers: PHIO
- Exchange: Nasdaq
- SIC code: 2834 Pharmaceutical Preparations
- State of incorporation: DE
- Filer category: Non-accelerated filer<br>Smaller reporting company

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 24, 2026, 15:42 ET. No prices; not investment advice.
