0000950170-24-071335.txt : 20240610 0000950170-24-071335.hdr.sgml : 20240610 20240610163010 ACCESSION NUMBER: 0000950170-24-071335 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 11 CONFORMED PERIOD OF REPORT: 20240606 ITEM INFORMATION: Submission of Matters to a Vote of Security Holders FILED AS OF DATE: 20240610 DATE AS OF CHANGE: 20240610 FILER: COMPANY DATA: COMPANY CONFORMED NAME: SUTRO BIOPHARMA, INC. CENTRAL INDEX KEY: 0001382101 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 452441988 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-38662 FILM NUMBER: 241033160 BUSINESS ADDRESS: STREET 1: 111 OYSTER POINT BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 BUSINESS PHONE: 650-392-8412 MAIL ADDRESS: STREET 1: 111 OYSTER POINT BLVD. CITY: SOUTH SAN FRANCISCO STATE: CA ZIP: 94080 FORMER COMPANY: FORMER CONFORMED NAME: SUTRO BIOPHARMA INC DATE OF NAME CHANGE: 20061127 8-K 1 stro-20240606.htm 8-K 8-K
0001382101false00013821012024-06-062024-06-06

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): June 6, 2024

 

SUTRO BIOPHARMA, INC.

(Exact name of registrant as specified in its charter)

 

 

Delaware

001-38662

47-0926186

(State or other jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

 

111 Oyster Point Blvd,

South San Francisco, California, 94080

(Address of principal executive offices) (Zip Code)

 

(650) 881-6500

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

 

Title of each class

 

Trading Symbol(s)

 

Name of each exchange on which registered

Common Stock, $0.001 par value

 

STRO

 

The Nasdaq Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

 

 

 


Item 5.07. Submission of Matters to a Vote of Security Holders.

On June 6, 2024, the Company held its 2024 Annual Meeting of Stockholders, and the following proposals were adopted:

1.

Election of two Class III directors, identified in the table below, each to serve a three-year term, which will expire at the 2027 Annual Meeting of Stockholders and until such time as their respective successors have been duly elected and qualified or until their earlier resignation or removal:

 

 

 

 

Nominees

Shares

For

Shares

Withheld

Broker

Non-Votes

Joseph M. Lobacki

49,578,870

1,393,863

13,906,799

Daniel H. Petree

33,386,033

17,586,700

13,906,799

2.

Ratification of the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2024:

 

 

 

 

Shares

For

Shares

Against

Shares

Abstaining

64,598,771

118,896

161,865

3.

Approval, on a non-binding advisory basis, of the compensation of the Company’s named executive officers:

 

 

 

 

 

Shares

For

Shares

Against

Shares

Abstaining

Broker

Non-Votes

50,214,198

171,189

587,346

13,906,799

 

4.

Approval of the amendment of the Company’s 2018 Employee Stock Purchase Plan (the “ESPP”) to (i) increase the overall limit on the number of shares that may be issued under the ESPP throughout its ten-year term, and (ii) make certain non-substantive clarifying revisions:

 

 

 

 

 

Shares

For

Shares

Against

Shares

Abstaining

Broker

Non-Votes

50,224,587

618,712

129,434

13,906,799

 

 

 


SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Sutro Biopharma, Inc.

Date: June 10, 2024

By:

/s/ Edward Albini

Edward Albini

Chief Financial Officer

 


EX-101.SCH 2 stro-20240606.xsd XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT 100000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink Entity Address, Postal Zip Code Entity Incorporation, State or Country Code Entity Central Index Key Entity Address, State or Province Cover [Abstract] Entity Address, Address Line One Amendment Flag Entity Address, City or Town Document Type Title of 12(b) Security Soliciting Material Document Period End Date Trading Symbol Pre-commencement Tender Offer Security Exchange Name Written Communications Pre-commencement Issuer Tender Offer Entity Registrant Name Entity Emerging Growth Company Securities Act File Number Entity File Number Entity Tax Identification Number City Area Code Local Phone Number Entity Information, Former Legal or Registered Name XML 4 R1.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Document and Entity Information
Jun. 06, 2024
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 06, 2024
Entity Registrant Name SUTRO BIOPHARMA, INC.
Entity Central Index Key 0001382101
Entity Emerging Growth Company false
Entity File Number 001-38662
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 47-0926186
Entity Address, Address Line One 111 Oyster Point Blvd,
Entity Address, City or Town South San Francisco
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94080
City Area Code (650)
Local Phone Number 881-6500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol STRO
Security Exchange Name NASDAQ
EXCEL 5 Financial_Report.xlsx IDEA: XBRL DOCUMENT begin 644 Financial_Report.xlsx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end XML 6 Show.js IDEA: XBRL DOCUMENT // Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission. Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105. var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0); e.removeAttribute('id');a.parentNode.appendChild(e)}} if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'} e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}} XML 7 report.css IDEA: XBRL DOCUMENT /* Updated 2009-11-04 */ /* v2.2.0.24 */ /* DefRef Styles */ ..report table.authRefData{ background-color: #def; border: 2px solid #2F4497; font-size: 1em; position: absolute; } ..report table.authRefData a { display: block; font-weight: bold; } ..report table.authRefData p { margin-top: 0px; } ..report table.authRefData .hide { background-color: #2F4497; padding: 1px 3px 0px 0px; text-align: right; } ..report table.authRefData .hide a:hover { background-color: #2F4497; } ..report table.authRefData .body { height: 150px; overflow: auto; width: 400px; } ..report table.authRefData table{ font-size: 1em; } /* Report Styles */ ..pl a, .pl a:visited { color: black; text-decoration: none; } /* table */ ..report { background-color: white; border: 2px solid #acf; clear: both; color: black; font: normal 8pt Helvetica, Arial, san-serif; margin-bottom: 2em; } ..report hr { border: 1px solid #acf; } /* Top labels */ ..report th { background-color: #acf; color: black; font-weight: bold; text-align: center; } ..report th.void { background-color: transparent; color: #000000; font: bold 10pt Helvetica, Arial, san-serif; text-align: left; } ..report .pl { text-align: left; vertical-align: top; white-space: normal; width: 200px; white-space: normal; /* word-wrap: break-word; */ } ..report td.pl a.a { cursor: pointer; display: block; width: 200px; overflow: hidden; } ..report td.pl div.a { width: 200px; } ..report td.pl a:hover { background-color: #ffc; } /* Header rows... */ ..report tr.rh { background-color: #acf; color: black; font-weight: bold; } /* Calendars... */ ..report .rc { background-color: #f0f0f0; } /* Even rows... */ ..report .re, .report .reu { background-color: #def; } ..report .reu td { border-bottom: 1px solid black; } /* Odd rows... */ ..report .ro, .report .rou { background-color: white; } ..report .rou td { border-bottom: 1px solid black; } ..report .rou table td, .report .reu table td { border-bottom: 0px solid black; } /* styles for footnote marker */ ..report .fn { white-space: nowrap; } /* styles for numeric types */ ..report .num, .report .nump { text-align: right; white-space: nowrap; } ..report .nump { padding-left: 2em; } ..report .nump { padding: 0px 0.4em 0px 2em; } /* styles for text types */ ..report .text { text-align: left; white-space: normal; } ..report .text .big { margin-bottom: 1em; width: 17em; } ..report .text .more { display: none; } ..report .text .note { font-style: italic; font-weight: bold; } ..report .text .small { width: 10em; } ..report sup { font-style: italic; } ..report .outerFootnotes { font-size: 1em; } XML 9 FilingSummary.xml IDEA: XBRL DOCUMENT 3.24.1.1.u2 html 1 22 1 false 0 0 false 0 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false All Reports Book All Reports stro-20240606.htm stro-20240606.xsd http://xbrl.sec.gov/dei/2024 false false JSON 11 MetaLinks.json IDEA: XBRL DOCUMENT { "version": "2.2", "instance": { "stro-20240606.htm": { "nsprefix": "stro", "nsuri": "http://www.sutrobio.com/20240606", "dts": { "inline": { "local": [ "stro-20240606.htm" ] }, "schema": { "local": [ "stro-20240606.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/2023/calculation-1.1.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-roles-2024.xsd", "https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd", "https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd", "https://xbrl.sec.gov/country/2024/country-2024.xsd", "https://xbrl.sec.gov/dei/2024/dei-2024.xsd", "https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd" ] } }, "keyStandard": 22, "keyCustom": 0, "axisStandard": 0, "axisCustom": 0, "memberStandard": 0, "memberCustom": 0, "hidden": { "total": 2, "http://xbrl.sec.gov/dei/2024": 2 }, "contextCount": 1, "entityCount": 1, "segmentCount": 0, "elementCount": 24, "unitCount": 0, "baseTaxonomies": { "http://xbrl.sec.gov/dei/2024": 22 }, "report": { "R1": { "role": "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation", "longName": "100000 - Document - Document and Entity Information", "shortName": "Document and Entity Information", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "C_f77cd2f0-3867-44d9-8040-7146e1065312", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "body", "html" ], "reportCount": 1, "baseRef": "stro-20240606.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_f77cd2f0-3867-44d9-8040-7146e1065312", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "body", "html" ], "reportCount": 1, "baseRef": "stro-20240606.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "AmendmentFlag", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CityAreaCode", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "DocumentType", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r1" ] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r1" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityFileNumber", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Securities Act File Number", "terseLabel": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityInformationFormerLegalOrRegisteredName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityInformationFormerLegalOrRegisteredName", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Information, Former Legal or Registered Name", "documentation": "Former Legal or Registered Name of an entity" } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityRegistrantName", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r1" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r1" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "LocalPhoneNumber", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "dei_PreCommencementIssuerTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "PreCommencementIssuerTenderOffer", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Pre-commencement Issuer Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act." } } }, "auth_ref": [ "r3" ] }, "dei_PreCommencementTenderOffer": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "PreCommencementTenderOffer", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Pre-commencement Tender Offer", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act." } } }, "auth_ref": [ "r5" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "Security12bTitle", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r0" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "SecurityExchangeName", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r2" ] }, "dei_SolicitingMaterial": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "SolicitingMaterial", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Soliciting Material", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act." } } }, "auth_ref": [ "r4" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "TradingSymbol", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "dei_WrittenCommunications": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2024", "localname": "WrittenCommunications", "presentation": [ "http://www.sutrobio.com/20240606/taxonomy/role/DocumentDocumentAndEntityInformation" ], "lang": { "en-us": { "role": { "label": "Written Communications", "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act." } } }, "auth_ref": [ "r6" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "13e", "Subsection": "4c" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14a", "Subsection": "12" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "14d", "Subsection": "2b" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "425" } } } ZIP 12 0000950170-24-071335-xbrl.zip IDEA: XBRL DOCUMENT begin 644 0000950170-24-071335-xbrl.zip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end XML 14 stro-20240606_htm.xml IDEA: XBRL DOCUMENT 0001382101 2024-06-06 2024-06-06 0001382101 false 8-K 2024-06-06 SUTRO BIOPHARMA, INC. DE 001-38662 47-0926186 111 Oyster Point Blvd, South San Francisco CA 94080 (650) 881-6500 false false false false Common Stock, $0.001 par value STRO NASDAQ false