BIIB, risk-factor evolution
Item 1A (Risk Factors) year-over-year changes. Pre-computed at ingest time: paragraph adds/removes plus term-frequency cosine similarity between consecutive years.
📞 Earnings calls for BIIB on Subtext ↗Section length over time
- Carried over
- Newly added
Item 1A word count by fiscal year, split into text carried over from the prior year vs. newly added (from year-over-year diffs).
Year-over-year transitions
| Years | Similarity | Added | Removed | Section length | |
|---|---|---|---|---|---|
| 2015 → 2016 | 1.00 | +9325 | -8355 | 9325 words | Diff → |
| 2016 → 2017 | 1.00 | +9885 | -9325 | 9885 words | Diff → |
| 2017 → 2018 | 1.00 | +10201 | -9885 | 10201 words | Diff → |
| 2018 → 2019 | 1.00 | +11352 | -10201 | 11352 words | Diff → |
| 2019 → 2020 | 1.00 | +11169 | -11352 | 11169 words | Diff → |
| 2020 → 2021 | 1.00 | +11218 | -11169 | 11218 words | Diff → |
| 2021 → 2022 | 1.00 | +5337 | -5401 | 11154 words | Diff → |
| 2022 → 2023 | 1.00 | +6820 | -6578 | 11396 words | Diff → |
| 2023 → 2024 | 1.00 | +6355 | -5921 | 11830 words | Diff → |
| 2024 → 2025 | 1.00 | +9082 | -8558 | 12354 words | Diff → |