secwatch.observer — SEC 8-K summary
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Issuer:     Tectonic Therapeutic, Inc. (TECX)
CIK:        0001681087
Form:       8-K
Filed at:   2026-02-24T23:59:59+00:00
Accession:  0001193125-26-066964
Event type: leadership
Sentiment:  neutral
Materiality: 0.45
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Tectonic appoints François Nader as independent director and Chair; McGuire steps down
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- François Nader, M.D., appointed to board effective Apr 1, 2026; assumes Chair role same date.
- Current Chair Terry McGuire resigns as Chair Apr 1, remains board member until June 2026 annual meeting.
- Nader is independent director at Moderna (MRNA); led multiple biotech acquisitions (Acceleron, Alexion).
- Company posted presentation on TX2100 for HHT and bleeding disorders (no new clinical data).

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1681087/000119312526066964/0001193125-26-066964-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1681087/000119312526066964/d50095d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-066964

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer