Notice of Proposed Sale · 144
Spyre Therapeutics, Inc.
SYRENASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- SPYRE THERAPEUTICS, INC.
- Issuer CIK
- 0001636282
- SEC file number
- 001-37722
- Phone
- 6176515940
- Person for whose account securities are to be sold
- HEIDY KING-JONES
- Relationships to issuer
- Officer
- Street
- 221 Crescent Street Building 23
- Street (continued)
- Suite 105
- City
- Waltham
- State / country code
- MA
- Postal code
- 02453
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 29,335 | 2,611,695.05 | 88,173,762 | 10/01/2026 | NASDAQ | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 10/01/2026 | Exercise of Stock Options | Issuer | 29,335 | N | 10/01/2026 | Cash |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| 10b5-1 Sales for HEIDY M KING-JONES | Common | 09/02/2026 | 400 | 36,000.00 |
| 10b5-1 Sales for HEIDY M KING-JONES | Common | 09/01/2026 | 27,999 | 2,444,477.89 |
Seller — prior-sale row 1, entry 1
- Name
- 10b5-1 Sales for HEIDY M KING-JONES
- Street
- 221 Crescent Street Building 23
- Street (continued)
- Suite 105
- City
- Waltham
- State / country code
- MA
- Postal code
- 02453
Seller — prior-sale row 2, entry 1
- Name
- 10b5-1 Sales for HEIDY M KING-JONES
- Street
- 221 Crescent Street Building 23
- Street (continued)
- Suite 105
- City
- Waltham
- State / country code
- MA
- Postal code
- 02453
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Remarks
The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
Notice signature
- Notice date
- 10/01/2026
- Signed
- /s/ Heidy King-Jones
- Plan adoption dates
- 04/16/2026