Skip to content
Baker Capital StrategiesMARKETS. FILINGS. PERSPECTIVE.
Powered by THEMA

BAKER CAPITAL STRATEGIES

Get the free weekly BCS email.

Selected company filings and market updates, delivered by email. Your first report will follow soon.

  • Your weekly BCS reportMarket updates and links to filings you can explore.
  • THEMA at launchWe’ll send directions for setting up your filing alerts when THEMA officially opens.

One signup for the weekly email and your free THEMA Basic account at launch.

Already registered or a CSW member?Log in to THEMA →

At least 8 characters. This also creates your free THEMA account for launch.

You’re signing up for the weekly BCS email and THEMA launch/setup updates. Unsubscribe using the link in any email. Privacy policy · Terms

BCS

Notice of Proposed Sale · 144

Spyre Therapeutics, Inc.

SYRENASDAQEQUITYCurrent

Notice of Proposed Sale

Filed Aug 3, 2026Accepted Aug 3, 2026, 4:51 PM EDTFiling CIK 1853327Accession 0001950047-26-007571
Share

Structured filing — 144

primary_doc.xml

Open full document ↗

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
SCOTT BURROWS
Relationships to issuer
Officer
Street
221 Crescent Street Building 23
City
Waltham
State / country code
MA
Postal code
02453

Securities proposed for sale

Securities proposed for sale · 1 reported row
SecurityProposed unitsAggregate market valueUnits outstandingApproximate sale dateExchangeBroker / market maker
Common30,0002,949,900.0086,841,25308/03/2026NASDAQMorgan 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

Acquisition of securities to be sold · 1 reported row
SecurityAcquiredNature of acquisitionAcquired fromAmount acquiredGift transactionPayment dateNature of payment
Common08/03/2026Exercise of Stock OptionsIssuer30,000N08/03/2026Cash

Sales reported in the preceding three months

Sales reported in the preceding three months · 3 reported rows
SellerSecuritySale dateAmount soldGross proceeds
10b5-1 Sales for SCOTT BURROWSCommon07/01/20267,500658,043.00
SCOTT BURROWSCommon06/25/202615,0001,307,000.00
10b5-1 Sales for SCOTT BURROWSCommon06/01/20267,500532,948.25

Seller — prior-sale row 1, entry 1

Name
10b5-1 Sales for SCOTT BURROWS
Street
221 Crescent Street Building 23
City
Waltham
State / country code
MA
Postal code
02453

Seller — prior-sale row 2, entry 1

Name
SCOTT BURROWS
Street
221 Crescent Street Building 23
City
Waltham
State / country code
MA
Postal code
02453

Seller — prior-sale row 3, entry 1

Name
10b5-1 Sales for SCOTT BURROWS
Street
221 Crescent Street Building 23
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
08/03/2026
Signed
/s/ Scott Burrows
Plan adoption dates
11/10/2025

Company context

Spyre Therapeutics is a clinical-stage biotechnology company pioneering long-acting antibodies and antibody combinations to redefine the standard of care for inflammatory bowel disease (“IBD”) and rheumatic diseases. Spyre’s pipeline includes investigational extended half-life antibodies targeting α4ß7, TL1A, and IL-23.

Current securities

Historical securities (1)

Recent company filings

  1. Entry into a Material Definitive AgreementOct 7, 2026
  2. 424B5 filingOct 6, 2026
  3. 424B5 filingOct 5, 2026
  4. Regulation FD Disclosure · Other EventsSep 8, 2026
  5. 144 filingSep 1, 2026

Privacy choices

BCS measures page use with Google Analytics using regional consent settings. You can change your preference here. Charts and market data remain available.

Essential functions — always available. Security, navigation, registration and remembering these choices.

Audience analytics

Analytics cookies are off by default for visitors Google identifies in the EEA, UK or Switzerland until allowed. Limited measurement without analytics cookies may still occur under those regional defaults.

TradingView charts, quotes and the economic calendar load automatically as page content. TradingView receives network and browser information and may collect its own usage analytics. This choice controls BCS’s Google Analytics only.

Google advertising is not enabled. Direct sponsor links do not load advertising trackers on BCS.

Turning analytics off stops future Google Analytics activity here. It does not erase information already received by the provider. Read the privacy policy.