Sutro Biopharma STRO SEC Filings

NASDAQ STRO
$11.46 +0.20 (+1.82%)
As of: Oct 20, 2026 · 11:24 AM EDT
EDGAR Disclosures

SEC Filings

Source SEC EDGAR

Every SEC filing Sutro Biopharma, Inc. (STRO) has made, as reported on EDGAR — annual and quarterly reports, current reports, insider transactions and ownership disclosures. Filter by form group, form type or period, and open any filing or its index directly.

Form Type
# Form Type Form Group Accession Date Filing Index
14Insider Transaction0001992979-26-000004Sep 22, 2026 8:09 PM
28-KCurrent Report0001193125-26-345733Aug 12, 2026 11:15 AM
310-QQuarterly & Annual Report0001193125-26-345748Aug 12, 2026 7:30 AM
4SCHEDULE 13GBeneficial Ownership Report0002012383-26-003158Jul 30, 2026 11:18 AM
54Insider Transaction0001587487-26-000002Jun 9, 2026 8:24 PM
64Insider Transaction0001294939-26-000002Jun 9, 2026 8:23 PM
74Insider Transaction0001217412-26-000002Jun 9, 2026 8:21 PM
84Insider Transaction0001536193-26-000002Jun 9, 2026 8:19 PM
94Insider Transaction0001554591-26-000002Jun 9, 2026 8:18 PM
104Insider Transaction0001891841-26-000002Jun 9, 2026 8:16 PM
114Insider Transaction0001601264-26-000006Jun 9, 2026 8:14 PM
124Insider Transaction0001236537-26-000002Jun 9, 2026 8:12 PM
138-KCurrent Report0001193125-26-261658Jun 8, 2026 8:01 PM
144Insider Transaction0001761333-26-000005Jun 2, 2026 8:16 PM
15SCHEDULE 13GBeneficial Ownership Report0001699737-26-000010May 15, 2026 8:39 PM
16SCHEDULE 13GBeneficial Ownership Report0001907884-26-000008May 15, 2026 8:01 PM
1710-QQuarterly & Annual Report0001193125-26-224170May 14, 2026 4:30 PM-
188-KCurrent Report0001193125-26-224065May 14, 2026 4:15 PM-
19SCHEDULE 13G/AOthers0001011438-26-000314May 14, 2026 4:13 PM-
20SCHEDULE 13GBeneficial Ownership Report0000919574-26-002548May 1, 2026 8:10 PM
21SCHEDULE 13GBeneficial Ownership Report0000919574-26-002548May 1, 2026 8:10 PM
22SCHEDULE 13GBeneficial Ownership Report0000919574-26-002548May 1, 2026 8:10 PM
23ARSOthers0001140361-26-016150Apr 22, 2026 5:00 PM
24DEFA14AOthers0001193125-26-170441Apr 22, 2026 4:15 PM
25DEF 14AOthers0001193125-26-170354Apr 22, 2026 4:05 PM
26SCHEDULE 13GBeneficial Ownership Report0001104659-26-046182Apr 21, 2026 9:49 PM
27SCHEDULE 13GBeneficial Ownership Report0001193125-26-166842Apr 21, 2026 8:19 PM
28EFFECTOthers9999999995-26-001050Apr 1, 2026 4:15 AM
29424B3Prospectus0001193125-26-138220Apr 1, 2026 9:18 PM
30S-3Prospectus0001193125-26-120004Mar 23, 2026 9:23 PM
31S-8Prospectus0001193125-26-119971Mar 23, 2026 9:10 PM
3210-KQuarterly & Annual Report0001193125-26-119873Mar 23, 2026 8:44 PM
338-KCurrent Report0001193125-26-119844Mar 23, 2026 8:32 PM
344Insider Transaction0002063633-26-000003Mar 6, 2026 9:25 PM
354Insider Transaction0002063633-26-000003Mar 6, 2026 9:25 PM
364Insider Transaction0002063633-26-000003Mar 6, 2026 9:25 PM
374Insider Transaction0001872398-26-000003Mar 6, 2026 9:21 PM
384Insider Transaction0001872398-26-000003Mar 6, 2026 9:21 PM
394Insider Transaction0001872398-26-000003Mar 6, 2026 9:21 PM
404Insider Transaction0002063633-26-000002Mar 3, 2026 11:59 PM
414Insider Transaction0001992979-26-000002Mar 3, 2026 11:56 PM
424Insider Transaction0001992979-26-000002Mar 3, 2026 11:56 PM
434Insider Transaction0001992979-26-000002Mar 3, 2026 11:56 PM
444Insider Transaction0001761333-26-000002Mar 3, 2026 11:51 PM
454Insider Transaction0001761333-26-000002Mar 3, 2026 11:51 PM
464Insider Transaction0001761333-26-000002Mar 3, 2026 11:51 PM
474Insider Transaction0001872398-26-000002Mar 3, 2026 11:48 PM
48SCHEDULE 13GBeneficial Ownership Report0000921895-26-000502Feb 18, 2026 12:49 AM
49SCHEDULE 13GBeneficial Ownership Report0000919574-26-000954Feb 13, 2026 9:50 PM
50SCHEDULE 13GBeneficial Ownership Report0000919574-26-000953Feb 13, 2026 9:49 PM
...

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