CellSeed Inc. — Investor Relations & Filings
CellSeed Inc. is a regenerative medicine company centered on the research, development, and commercialization of its proprietary "cell sheet engineering" technology. This innovative platform enables the creation and harvesting of intact sheets of cultured cells without enzymatic treatment, preserving the extracellular matrix and cell-to-cell junctions critical for therapeutic efficacy. The company's business is structured around three core activities: the development of its own pipeline of cell sheet-based therapies for tissue regeneration, the sale of specialized temperature-responsive cell cultureware and related equipment, and the provision of contract development and manufacturing (CDMO) services for regenerative medicine products.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 第25回新株予約権（行使価額修正条項付）の月間行使状況に関するお知らせ | 2026-06-01 | Japanese | |
| 第26回新株予約権（無償ストック・オプション）の発行内容確定に関するお知らせ | 2026-05-18 | Japanese | |
| 2026年12月期 第１四半期決算短信〔日本基準〕（非連結） | 2026-05-13 | Japanese | |
| 第25回新株予約権（行使価額修正条項付）の月間行使状況に関するお知らせ | 2026-05-01 | Japanese | |
| 第26回新株予約権（無償ストック・オプション）の発行に関するお知らせ | 2026-04-14 | Japanese | |
| 確認書 | 2026-03-26 | Japanese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
8 filings
| |||||
| 47912552 | 第25回新株予約権（行使価額修正条項付）の月間行使状況に関するお知らせ | 2026-06-01 | Japanese | ||
| 46541444 | 第26回新株予約権（無償ストック・オプション）の発行内容確定に関するお知らせ | 2026-05-18 | Japanese | ||
| 48265685 | 2026年12月期 第１四半期決算短信〔日本基準〕（非連結） | 2026-05-13 | Japanese | ||
| 46880541 | 第25回新株予約権（行使価額修正条項付）の月間行使状況に関するお知らせ | 2026-05-01 | Japanese | ||
| 46877015 | 第26回新株予約権（無償ストック・オプション）の発行に関するお知らせ | 2026-04-14 | Japanese | ||
| 33044992 | 確認書 | 2026-03-26 | Japanese | ||
| 33044985 | 有価証券報告書－第25期(2025/01/01－2025/12/31) | 2026-03-26 | Japanese | ||
| 48265686 | 2025年12月期 決算短信〔日本基準〕（非連結） | 2026-02-13 | Japanese | ||
|
2025
7 filings
| |||||
| 8478398 | 有価証券届出書（参照方式） | 2025-11-20 | Japanese | ||
| 48265687 | 2025年12月期 第３四半期決算短信〔日本基準〕（非連結） | 2025-11-13 | Japanese | ||
| 7857632 | 確認書 | 2025-08-14 | Japanese | ||
| 7857633 | 半期報告書－第25期(2025/01/01－2025/12/31) | 2025-08-14 | Japanese | ||
| 48265688 | 2025年12月期 第２四半期（中間期）決算短信〔日本基準〕（非連結） | 2025-08-13 | Japanese | ||
| 48265689 | 2025年12月期 第１四半期決算短信〔日本基準〕（非連結） | 2025-05-13 | Japanese | ||
| 7271480 | 臨時報告書 | 2025-03-27 | Japanese | ||
Market data
Market data not available
Price history
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CellSeed Inc. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/13602/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=13602 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=13602 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=13602 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 13602}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for CellSeed Inc. (id: 13602)"
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