---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-228076"
form_type: "8-K"
ticker: "SYRE"
cik: "0001636282"
company_name: "Spyre Therapeutics, Inc."
filed_at: "2023-09-05T23:59:59+00:00"
generated_at: "2026-06-10T23:59:21.902091+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Aeglea appoints Scott Burrows as CFO, Heidy Abreu King-Jones as CLO; prior CFO transitions to advisory role

## Summary
- Scott Burrows appointed CFO effective Sept 1, 2023, succeeding Jonathan Alspaugh; base salary $455K, target bonus 40%, sign-on $115K.
- Heidy Abreu King-Jones appointed Chief Legal Officer & Corporate Secretary; both report to COO Cameron Turtle.
- Jonathan Alspaugh transitions to strategic advisory role through Dec 31, 2023; he was President and CFO.
- Burrows received inducement options for 10,121,441 shares and 3,373,814 RSUs; King-Jones options for 13,495,255 shares.

## SEC filing metadata
- accession: 0001193125-23-228076
- form_type: 8-K
- ticker: SYRE
- cik: 0001636282
- company_name: Spyre Therapeutics, Inc.
- filed_at: 2023-09-05T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1636282/000119312523228076/0001193125-23-228076-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1636282/000119312523228076/d437285d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-228076
- JSON: https://secwatch.observer/filing/0001193125-23-228076.json
- Plain text: https://secwatch.observer/filing/0001193125-23-228076.txt

## Key facts
- Executive change
  Scott Burrows was appointed as Chief Financial Officer at Spyre Therapeutics, Inc..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: appointed Scott Burrows to succeed Jonathan Alspaugh as the Company’s Chief Financial Officer effective September 1, 2023
  evidence_url: https://www.sec.gov/Archives/edgar/data/1636282/000119312523228076/0001193125-23-228076-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.