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Biogen10-Q: Acquisition announced

Biogen to acquire Apellis Pharmaceuticals in deal announced March 31, 2026

What happened

Biogen has entered a definitive merger agreement with Apellis Pharmaceuticals, signaling a major strategic acquisition. This event will trigger significant spending and activity around post-merger integration, including consolidating IT systems, finance departments, and HR platforms.

Source

SEC EDGARApr 29, 2026

Quarterly report (Form 10-Q)

Biogen 10-Q

Filing excerpt

Agreement and Plan of Merger, dated as of March 31, 2026, by and among Apellis Pharmaceuticals, Inc., Biogen Inc. and Aspen Purchaser Sub, Inc.

sec.gov/Archives/edgar/data/875045/000087504526000045/biib-20260331.htmRead the full source

Other signals in this filing (11)

Extracted by Autobound

From the Signal API record
Signal
10-Q: Acquisition announced

What this signalsIntegration work after a deal often opens needs for new systems and services.

Fiscal year end
03/31
Filed
Apr 29, 2026

More 10-Q signals at other companies

The full record

From the Signal API record

Details

CIK
875045
Accession number
0000875045-26-000045
Metric named
Value of merger with Apellis Pharmaceuticals
Timeframe
Current quarter
Filing year
2026
Fiscal year
0
Why it matters
Integration needs coming
Signal category
Strategic

Topics and mentions

Competitors

  • Apellis Pharmaceuticals
  • Inc.

Competitors named

  • Apellis Pharmaceuticals, Inc.

Extraction

Confidence
High
Relevance
95%
Sentiment
Neutral
Detected
May 5, 2026
signal_type
sec-10q
signal_subtype
acquisitionAnnounced

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The API returns more than this page shows

This page shows a preview. The full sec-10q record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.

Company

  • linkedin_urlValue in the API
  • industriesValue in the API
  • employee_count_lowValue in the API
  • employee_count_highValue in the API
  • revenueValue in the API
  • descriptionValue in the API

Signal

  • signal_nameValue in the API
  • associationValue in the API
Show the full JSONThe record on this page and the API request

GET /v1/signals/81a840cf-e778-43ed-b012-bbb3454c8737 returns this record as JSON. POST /v1/companies/enrich returns every signal for biogen.com.

{
  "signal_id": "81a840cf-e778-43ed-b012-bbb3454c8737",
  "signal_type": "sec-10q",
  "signal_subtype": "acquisitionAnnounced",
  "detected_at": "2026-05-05T08:48:21.256+00:00",
  "company": {
    "name": "Biogen",
    "domain": "biogen.com"
  },
  "data": {
    "detail": "Biogen has entered a definitive merger agreement with Apellis Pharmaceuticals, signaling a major strategic acquisition. This event will trigger significant spending and activity around post-merger integration, including consolidating IT systems, finance departments, and HR platforms.",
    "metrics": {
      "timeframe": "current_quarter",
      "dollar_context": "Value of merger with Apellis Pharmaceuticals"
    },
    "summary": "Biogen to acquire Apellis Pharmaceuticals in deal announced March 31, 2026",
    "excerpts": "Agreement and Plan of Merger, dated as of March 31, 2026, by and among Apellis Pharmaceuticals, Inc., Biogen Inc. and Aspen Purchaser Sub, Inc.",
    "relevance": 0.95,
    "sentiment": "neutral",
    "confidence": "high",
    "source_url": "https://www.sec.gov/Archives/edgar/data/875045/000087504526000045/biib-20260331.htm",
    "filing_date": "2026-04-29",
    "filing_year": 2026,
    "fiscal_year": 0,
    "fiscal_year_end": "03/31",
    "sales_relevance": "Integration needs coming",
    "signal_category": "strategic",
    "competitors_mentioned": [
      "Apellis Pharmaceuticals, Inc."
    ]
  }
}

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