{
  "company": {
    "name": "Quell Therapeutics",
    "website": "https://quell-tx.com/",
    "record": "https://startuphistory.org/c/quell-tx.com"
  },
  "status": null,
  "history_since": "2019-08-22T06:54:51.000Z",
  "baseline": {
    "snapshot_id": "dd154a7d6d1d947d5ddb5d4ceb3f23a7a60c74f8213c5f9a32cdfadef5975e5d",
    "observed_at": "2019-08-22T06:54:51.000Z",
    "headline": null,
    "description": "Quell Therapeutics, founded by Syncona, has been established with the aim of developing engineered T regulatory (Treg) cell therapies. Quell will seek to utilise the power of Treg cells to advance the",
    "evidence": "https://web.archive.org/web/20190822065451/https://www.quell-tx.com/",
    "evidence_kind": "internet_archive",
    "facts": null,
    "basis": "first_observation",
    "is_change": false
  },
  "live_captures": 1,
  "last_checked": "2026-11-06T20:18:05.753Z",
  "live_status": null,
  "messaging": [
    {
      "quote_observed_at": "2024-07-20T13:19:43.000Z",
      "variants": [
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2020-08-06T01:26:29.000Z",
          "evidence": "https://web.archive.org/web/20200806012629/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2021-09-16T18:54:21.000Z",
          "evidence": "https://web.archive.org/web/20210916185421/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2022-01-16T19:28:05.000Z",
          "evidence": "https://web.archive.org/web/20220116192805/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2023-03-15T21:21:28.000Z",
          "evidence": "https://web.archive.org/web/20230315212128/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2023-08-15T12:43:16.000Z",
          "evidence": "https://web.archive.org/web/20230815124316/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Restoring the Balance With Regulatory T cell Therapies",
          "subhead": null,
          "observed_at": "2024-07-20T13:19:43.000Z",
          "evidence": "https://web.archive.org/web/20240720131943/https://quell-tx.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Restoring the Balance With Regulatory T cell Therapies",
      "subhead": null,
      "from": "2020-08-06T01:26:29.000Z",
      "to": "2024-07-20T13:19:43.000Z",
      "captures": 6,
      "evidence": "https://web.archive.org/web/20240720131943/https://quell-tx.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
          "from": "2020-08-06T01:26:29.000Z",
          "to": "2024-07-20T13:19:43.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-07-23T01:20:17.000Z",
      "variants": [
        {
          "headline": "Transforming lives in immune mediated disease",
          "subhead": null,
          "observed_at": "2025-01-13T19:31:44.000Z",
          "evidence": "https://web.archive.org/web/20250113193144/https://www.quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Transforming lives in immune mediated disease",
          "subhead": "Quell Therapeutics is a clinical-stage company, fuelled by curiosity and discovery, on a mission to make life better for those battling severe immune and inflammatory disease",
          "observed_at": "2026-01-06T20:28:56.000Z",
          "evidence": "https://web.archive.org/web/20260106202856/https://www.quell-tx.com/",
          "evidence_kind": "internet_archive"
        },
        {
          "headline": "Transforming lives in immune mediated disease",
          "subhead": "Quell Therapeutics is a clinical-stage company, fuelled by curiosity and discovery, on a mission to make life better for those battling severe immune and inflammatory disease",
          "observed_at": "2026-07-23T01:20:17.000Z",
          "evidence": "https://web.archive.org/web/20260723012017/https://www.quell-tx.com/",
          "evidence_kind": "internet_archive"
        }
      ],
      "headline": "Transforming lives in immune mediated disease",
      "subhead": "Quell Therapeutics is a clinical-stage company, fuelled by curiosity and discovery, on a mission to make life better for those battling severe immune and inflammatory disease",
      "from": "2025-01-13T19:31:44.000Z",
      "to": "2026-07-23T01:20:17.000Z",
      "captures": 3,
      "evidence": "https://web.archive.org/web/20260723012017/https://www.quell-tx.com/",
      "evidence_kind": "internet_archive",
      "seen": {
        "between": {
          "from": "2025-01-13T19:31:44.000Z",
          "to": "2026-07-23T01:20:17.000Z"
        }
      },
      "current": false
    },
    {
      "quote_observed_at": "2026-11-06T20:18:05.753Z",
      "variants": [
        {
          "headline": "Durable & safe resolution of complex autoimmune disease",
          "subhead": "Quell Therapeutics is a clinical-stage company, fuelled by curiosity and discovery, on a mission to make life better for those battling severe immune and inflammatory disease",
          "observed_at": "2026-11-06T20:18:05.753Z",
          "evidence": "https://www.quell-tx.com/",
          "evidence_kind": "live_capture"
        }
      ],
      "headline": "Durable & safe resolution of complex autoimmune disease",
      "subhead": "Quell Therapeutics is a clinical-stage company, fuelled by curiosity and discovery, on a mission to make life better for those battling severe immune and inflammatory disease",
      "from": "2026-11-06T20:18:05.753Z",
      "to": "2026-11-06T20:18:05.753Z",
      "captures": 1,
      "evidence": "https://www.quell-tx.com/",
      "evidence_kind": "live_capture",
      "seen": {
        "on": "2026-11-06T20:18:05.753Z"
      },
      "current": true
    }
  ],
  "changes": [
    {
      "n": 1,
      "id": "page-dd154a7d6d1d947d5ddb5d4ceb3f23a7a60c74f8213c5f9a32cdfadef5975e5d:41105e97d26e07f6f636af64b04402b1724fd2f97c20a6430199bcb0caa8d1da:headline:6fef0007704ff137",
      "before_evidence": "https://web.archive.org/web/20190822065451/https://www.quell-tx.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Our Vision” to “Restoring the Balance With Regulatory T cell Therapies”.",
      "between": {
        "from": "2019-08-22T06:54:51.000Z",
        "to": "2020-08-06T01:26:29.000Z"
      },
      "evidence": "https://web.archive.org/web/20200806012629/https://quell-tx.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 2,
      "id": "page-dd154a7d6d1d947d5ddb5d4ceb3f23a7a60c74f8213c5f9a32cdfadef5975e5d:41105e97d26e07f6f636af64b04402b1724fd2f97c20a6430199bcb0caa8d1da:hiring:20dd4c09cc4ab0aa",
      "before_evidence": "https://web.archive.org/web/20190822065451/https://www.quell-tx.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "hiring",
      "label": "Hiring",
      "summary": "Added a careers page.",
      "between": {
        "from": "2019-08-22T06:54:51.000Z",
        "to": "2020-08-06T01:26:29.000Z"
      },
      "evidence": "https://web.archive.org/web/20200806012629/https://quell-tx.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-careers-page"
    },
    {
      "n": 3,
      "id": "page-3b342f767b1d01f4016550bbd589e117298c042f36e97aedfb0c0f12cb3e99c1:ac6bd6d730437a62c5dfbbc7d887bc176b2edc599842e2df4f562a48e14c7cac:headline:25c35fe10cf5b2db",
      "before_evidence": "https://web.archive.org/web/20240720131943/https://quell-tx.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Restoring the Balance With Regulatory T cell Therapies” to “Transforming lives in immune mediated disease”.",
      "between": {
        "from": "2024-07-20T13:19:43.000Z",
        "to": "2025-01-13T19:31:44.000Z"
      },
      "evidence": "https://web.archive.org/web/20250113193144/https://www.quell-tx.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": null
    },
    {
      "n": 4,
      "id": "page-ac6bd6d730437a62c5dfbbc7d887bc176b2edc599842e2df4f562a48e14c7cac:973543b1dc82b8f0ba7a49b7689d27ce9ca1a1b2f37ba9e0cae37a2c465c37e6:customers_added:1160cb4c0faa9a55",
      "before_evidence": "https://web.archive.org/web/20250113193144/https://www.quell-tx.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "customers_added",
      "label": "New customers",
      "summary": "Added customer logo to its homepage: Quell Therapeutics.",
      "between": {
        "from": "2025-01-13T19:31:44.000Z",
        "to": "2026-01-06T20:28:56.000Z"
      },
      "evidence": "https://web.archive.org/web/20260106202856/https://www.quell-tx.com/",
      "evidence_kind": "internet_archive",
      "basis": "page_facts",
      "topic": "https://startuphistory.org/t/added-customer-logos"
    },
    {
      "n": 5,
      "id": "page-c50dc4b6f2eb200399e391fd99bd15719f42a18b58139bd9cd9de4e9a81c1d47:2b2982560f0f57542cfc35a3ce5e02efc47833f3a7846996204120d2973c04fe:headline:977dc4bd7af0d0cd",
      "before_evidence": "https://web.archive.org/web/20260723012017/https://www.quell-tx.com/",
      "before_evidence_kind": "internet_archive",
      "kind": "headline",
      "label": "Headline",
      "summary": "Changed its homepage headline from “Transforming lives in immune mediated disease” to “Durable & safe resolution of complex autoimmune disease”.",
      "between": {
        "from": "2026-07-23T01:20:17.000Z",
        "to": "2026-11-06T20:18:05.753Z"
      },
      "evidence": "https://www.quell-tx.com/",
      "evidence_kind": "live_capture",
      "basis": "page_facts",
      "topic": null
    }
  ],
  "update": null,
  "method": {
    "version": "messaging-v1",
    "description": "https://startuphistory.org/method"
  },
  "license": "CC-BY-4.0",
  "cite": "StartupHistory, “Quell Therapeutics” company record, https://startuphistory.org/c/quell-tx.com"
}