SUTRO BIOPHARMA, INC.

STRO

SUTRO BIOPHARMA, INC.

STRO

Insider Sentiment (TTM):

Last Purchase:2025-10-15Last Sale:2024-01-29Shares Purchased (TTM):111,754Shares Sold (TTM):0

Institutional Sentiment:

As of:2026-03-31Institutional Shares Owned:13,732,966Shares Outstanding:13,082,355Institutional Ownership Pct.:104.97%

Earnings Market Reaction:

Filing Date:2026-08-12Price on Filing Date:N/APrevious Close:N/A% Change:N/A

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Financial Statements

10‑Q10‑K

Values in Millions ($)	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Assets
Assets Current
Cash And Cash Equivalents At Carrying Value	54	74	58	66	64	106	190	175	91	65	69	82
Marketable Securities Current	110	129	83	102	141	143	127	214	285	202	264	239
Equity Securities Fv Ni	-	-	-	-	-	-	-	0	50	46	42	34
Accounts Receivable Net Current	6	12	4	4	8	14	9	7	7	31	36	17
Prepaid Expense And Other Assets Current	6	6	6	11	19	25	18	11	11	10	10	9
Assets Current	176	221	151	182	232	287	343	406	443	355	422	381
Property Plant And Equipment Net	8	9	11	13	15	17	18	19	19	21	22	22
Operating Lease Right Of Use Asset	8	10	11	13	15	16	18	19	20	22	23	24
Marketable Securities Noncurrent	0	0	-	-	-	-	-	-	-	0	-	-
Other Assets Noncurrent	1	1	0	0	0	0	7	7	5	6	4	3
Restricted Cash Noncurrent	1	1	1	1	1	1	1	1	1	1	1	1
Assets	194	242	174	210	262	321	387	452	489	403	471	432
Liabilities And Stockhold…
Liabilities Current
Accounts Payable Current	3	5	8	7	4	8	10	6	6	8	9	6
Accrued Liabilities Current	6	5	15	13	12	12	13	13	10	7	15	11
Contract With Customer Liability Current	6	9	11	9	12	69	70	73	74	21	21	24
Operating Lease Liability Current	7	8	8	8	8	8	7	7	7	7	6	6
Debt Current	-	-	-	-	-	-	-	-	-	-	4	7
Liabilities Current	53	71	75	72	74	133	132	131	130	80	94	74
Contract With Customer Liability Noncurrent	0	1	2	4	7	9	13	18	22	46	53	78
Operating Lease Liability Noncurrent	4	6	8	10	12	14	16	18	20	21	23	25
Long Term Debt Noncurrent	-	-	-	-	-	-	-	-	-	-	0	-
Other Liabilities Noncurrent	2	2	2	2	2	2	2	2	2	2	2	-
Liabilities	298	309	306	297	294	347	343	341	337	305	321	319
Stockholders Equity
Common Stock Value	0	0	0	0	0	0	0	0	0	0	0	0
Additional Paid In Capital Common Stock	952	950	845	844	842	837	831	825	818	716	709	703
Accumulated Other Comprehensive Income Loss Net Of…	-0	-0	0	0	-0	-0	0	0	-0	-0	0	0
Retained Earnings Accumulated Deficit	-1,055	-1,016	-978	-931	-874	-863	-787	-714	-666	-618	-559	-590
Stockholders Equity	-103	-67	-132	-87	-32	-26	45	111	152	98	150	112
Liabilities And Stockholders Equity	194	242	174	210	262	321	387	452	489	403	471	432
Preferred Stock Par Or Stated Value Per Share	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Preferred Stock Shares Authorized	10	10	10	10	10	10	10	10	10	10	10	10
Preferred Stock Shares Issued	0	0	0	0	0	0	0	0	0	0	0	0
Preferred Stock Shares Outstanding	0	0	0	0	0	0	0	0	0	0	0	0
Common Stock Par Or Stated Value Per Share	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Common Stock Shares Authorized	300	300	300	300	300	300	300	300	300	300	300	300
Common Stock Shares Issued	17	17	9	9	8	8	8	8	8	6	6	6
Shares Outstanding	17	17	9	9	8	8	8	8	8	6	6	6

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10‑Q10‑K

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Earnings Market Reaction

10‑Q10‑K

Fiscal Year	Q1 1 Month	Q1 2 Month	Q1 3 Month	Q2 1 Month	Q2 2 Month	Q2 3 Month	Q3 1 Month	Q3 2 Month	Q3 3 Month	Q4 1 Month	Q4 2 Month	Q4 3 Month
2026	-32.09%	-20.80%	-35.40%	-	-	-	-	-	-	-	-	-
2025	-6.25%	-23.96%	-7.29%	7.50%	11.25%	31.25%	-2.13%	22.23%	60.11%	47.91%	82.70%	35.02%
2024	-12.29%	-30.97%	-15.13%	27.95%	12.11%	10.25%	-28.28%	-50.76%	-51.52%	-56.80%	-12.00%	-28.00%
2023	-	-	-	-	-	-	72.46%	68.60%	118.36%	11.01%	22.63%	5.81%
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Performance and Valuation Metrics

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Metrics	2026-06-30	2026-03-31	2025-12-31	2025-09-30	2025-06-30	2025-03-31	2024-12-31	2024-09-30	2024-06-30	2024-03-31	2023-12-31	2023-09-30
Liquidity Ratios
Current Ratio	3.32	3.12	2.01	2.53	3.12	2.16	2.60	3.09	3.41	4.46	4.50	5.18
Quick Ratio	3.22	3.04	1.94	2.39	2.87	1.97	2.47	3.01	3.33	4.33	4.39	5.05
Working Capital	122.75M	150.16M	75.79M	110.22M	157.38M	154.36M	211.42M	274.49M	313.49M	275.07M	327.80M	307.65M
Leverage & Debt
Debt to Equity	-2.88	-4.62	-2.31	-3.40	-9.17	-13.45	7.68	3.06	2.21	3.12	2.15	2.84
Debt Ratio	1.53	1.28	1.76	1.42	1.12	1.08	0.88	0.75	0.69	0.76	0.68	0.74
Efficiency & Turnover
Asset Turnover TTM	0.20	0.35	0.37	0.32	0.28	0.18	0.14	0.36	0.36	0.40	0.35	0.12
Days Sales Outstanding TTM	55.09	47.72	22.43	18.27	26.11	123.24	131.47	26.40	18.26	48.77	51.28	104.56
Receivables Turnover TTM	6.63	7.65	16.28	19.98	13.98	2.96	2.78	13.83	19.98	7.48	7.12	3.49
Per Share Metrics
Diluted EPS TTM	-10.90	-11.74	-22.49	-25.54	-24.52	-29.32	-29.40	-15.11	-15.32	-18.70	-17.75	-28.46
Free Cash Flow Per Share TTM	-10.31	-11.59	-20.86	-18.22	-21.26	-23.28	-24.76	-12.89	-9.20	-18.77	-18.55	-24.68
Dividend Per Share TTM	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Margin Metrics
Operating Profit Margin TTM	-319.57%	-119.98%	-154.53%	-175.66%	-196.26%	-376.88%	-384.34%	-80.79%	-62.67%	-67.27%	-58.07%	-373.45%
Net Profit Margin TTM	-395.25%	-154.21%	-186.45%	-205.18%	-199.76%	-369.11%	-366.62%	-77.01%	-73.48%	-74.62%	-69.47%	-354.53%
Growth Metrics
Net Revenue Growth (1Y)	-56.25%	49.94%	65.18%	-34.36%	-38.31%	-56.88%	-59.64%	230.90%	197.83%	106.66%	126.84%	-30.31%
Net Income Growth (1Y)	-13.45%	-37.36%	-15.99%	74.88%	67.70%	113.31%	112.99%	-28.12%	-12.76%	-11.67%	-10.41%	40.51%
EPS Growth (1Y)	-55.54%	-59.95%	-23.52%	69.05%	60.02%	56.73%	65.63%	-46.91%	-35.19%	-15.60%	-24.45%	21.37%
Valuation Metrics
P/E TTM	-3.05	-2.12	-0.51	-0.34	-0.29	-0.22	-0.63	-2.29	-1.91	-3.02	-2.42	-1.22
P/B TTM	-5.33	-4.87	-0.74	-0.85	-1.88	-2.11	3.19	2.55	1.56	3.54	1.72	1.87
P/S TTM	12.04	3.27	0.96	0.70	0.58	0.82	2.29	1.76	1.41	2.25	1.68	4.32
Market Cap	550.18M	325.88M	98.32M	73.84M	60.44M	54.37M	142.36M	283.87M	237.99M	347.24M	258.10M	210.28M
Enterprise Value	495.84M	252.20M	40.19M	7.91M	-3.59M	-51.86M	-47.95M	109.29M	147.20M	282.02M	192.89M	135.58M
Calculated Values
Free Cash Flow TTM	-170.80M	-151.61M	-177.23M	-154.65M	-180.98M	-194.68M	-191.54M	-105.73M	-74.72M	-115.37M	-111.62M	-149.55M
Net Debt	-54.34M	-73.68M	-58.13M	-65.93M	-64.03M	-106.23M	-190.30M	-174.58M	-90.79M	-65.22M	-65.21M	-74.70M
Per-Share and Margin
EPS TTM
Adjusted EPS TTM
Cash Flow Per Share TTM
Pretax Margin TTM
Stock Comp to Revenue TTM
Turnover Ratios and Averages
Average Assets
Average Equity
Average Inventory
Average Receivables
Average Accounts Payables
Inventory Turnover TTM
Payables Turnover TTM
Days Inventory Outstanding TTM
Days Payables Outstanding TTM
Cash Conversion Cycle TTM
Working Capital to Revenue
Deferred Revenue to Revenue
Growth Rates
Total Assets Growth (1Y)
Total Assets Growth (3Y)
Total Assets Growth (5Y)
Dividends Paid Growth (1Y)
Dividends Paid Growth (3Y)
Dividends Paid Growth (5Y)
EPS Growth (3Y)
EPS Growth (5Y)
Net Income Growth (3Y)
Net Income Growth (5Y)
Net Profit Margin Growth (1Y)
Net Profit Margin Growth (3Y)
Net Profit Margin Growth (5Y)
Net Revenue Growth (3Y)
Net Revenue Growth (5Y)
Deferred Revenue Growth (1Y)
Retained Earnings Growth (1Y)
Credit, Liquidity, Returns, Payout
Cash Ratio
Net Working Capital
Debt to EBITDA TTM
Net Debt to EBITDA TTM
Net Debt to Equity
Altman A
Altman B
Altman C
Altman D
Altman E
Altman Z-Score
ROA TTM
ROE TTM
NOPAT TTM
ROIC TTM
Effective Tax Rate TTM
Payout Ratio TTM
Dilution Ratio
Retained Earnings to Equity
Treasury Stock to Equity
Treasury Stock Change (1Y)
Accrued to Current Liabilities
NCAV
NCAV Per Share TTM
Valuation Ratios
P/CF TTM
PEG Ratio
Dividend Yield TTM
Free Cash Flow Yield TTM
EV EBITDA TTM
EV EBIT TTM
EV Revenue TTM
EV FCF TTM
Stock Compensation TTM
Adjusted Net Income TTM
Billings TTM
Total Debt
Invested Capital

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Insider Transactions

2025-10-15Purchase

Owner: Pauling, David

Title: Chief Admin. Ofcr. & GC

Shares: 12,504

Price/Share: $0.80

Value: $10,003.20

Shares Owned: 71,737

Relationship: Officer

Ownership: Direct

2025-10-15Purchase

Owner: Gerber, Hans-Peter

Title: CHIEF SCIENTIFIC OFFICER

Shares: 17,000

Price/Share: $0.80

Value: $13,600.00

Shares Owned: 71,832

Relationship: Officer

Ownership: Direct

2025-10-15Purchase

Owner: Chow, Gregory K.

Title: CFO

Shares: 19,750

Price/Share: $0.81

Value: $15,997.50

Shares Owned: 19,750

Relationship: Officer

Ownership: Direct

2025-10-15Purchase

Owner: Chung, Jane

Title: Chief Executive Officer

Shares: 12,500

Price/Share: $0.80

Value: $10,000.00

Shares Owned: 122,850

Relationship: Director,Officer

Ownership: Direct

2025-10-15Purchase

Owner: Matsui, Connie

Title: -

Shares: 50,000

Price/Share: $0.80

Value: $40,000.00

Shares Owned: 50,000

Relationship: Director

Ownership: Direct

Filed Date	Owner	Relationship	Title	Ownership	Purchase/Sale	No. Shares	Price Per Share	Value	Shares Owned	Document Type
2025-10-15	Pauling, David	Officer	Chief Admin. Ofcr. & GC	Direct	Purchase	12,504	0.80	$10,003.20	71,737	4
2025-10-15	Gerber, Hans-Peter	Officer	CHIEF SCIENTIFIC OFFICER	Direct	Purchase	17,000	0.80	$13,600.00	71,832	4
2025-10-15	Chow, Gregory K.	Officer	CFO	Direct	Purchase	19,750	0.81	$15,997.50	19,750	4
2025-10-15	Chung, Jane	Director,Officer	Chief Executive Officer	Direct	Purchase	12,500	0.80	$10,000.00	122,850	4
2025-10-15	Matsui, Connie	Director	-	Direct	Purchase	50,000	0.80	$40,000.00	50,000	4
2024-01-29	Vasquez, Nicki	Officer	CHIEF PORT. STRAT & ALNCE OFCR	Direct	Sale	12,185	5.00	$60,925.00	12,803	4
2023-08-28	Shtylla, Brunilda	Officer	Chief Business Officer	Direct	Sale	15,428	4.71	$72,665.88	0	4
2023-08-25	Shtylla, Brunilda	Officer	Chief Business Officer	Direct	Sale	11,613	4.59	$53,303.67	12,928	4
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Institutional Ownership

No data available for chart

2026-03-31

104.97%

Inst. Shares: 13,732,966

Shares Outstanding: 13,082,355

2025-12-31

57.42%

Inst. Shares: 4,879,339

Shares Outstanding: 8,497,798

2025-09-30

58.67%

Inst. Shares: 4,979,597

Shares Outstanding: 8,486,986

2025-06-30

61.94%

Inst. Shares: 5,238,482

Shares Outstanding: 8,458,013

2025-03-31

69.36%

Inst. Shares: 5,801,333

Shares Outstanding: 8,364,294

Date	Institutional Shares Owned	Shares Outstanding	Institutional Ownership %
2026-03-31	13,732,966	13,082,355	104.97%
2025-12-31	4,879,339	8,497,798	57.42%
2025-09-30	4,979,597	8,486,986	58.67%
2025-06-30	5,238,482	8,458,013	61.94%
2025-03-31	5,801,333	8,364,294	69.36%
2024-12-31	6,145,590	7,736,734	79.43%
2024-09-30	6,051,268	8,204,367	73.76%
2024-06-30	6,118,209	8,122,463	75.32%
2024-03-31	5,136,347	6,145,779	83.58%
2023-12-31	5,383,453	6,016,354	89.48%
2023-09-30	5,466,232	6,059,903	90.20%
2023-06-30	5,283,582	6,033,948	87.56%
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SUTRO BIOPHARMA, INC. (STRO) — SEC Financial Statements & Analysis

SUTRO BIOPHARMA, INC. (STRO) is a biological products, (no diagnostic substances) company. SUTRO BIOPHARMA, INC. trades on Nasdaq as: STRO. Based on its latest SEC filing (Form 10-Q, period ending 2026-06-30), SUTRO BIOPHARMA, INC. reported a -56.25% year-over-year revenue growth, a Debt-to-Equity ratio of -2.88x, a Price-to-Sales (P/S) ratio of 12.04x (TTM), a Price-to-Book (P/B) ratio of -5.33x (TTM), at a market cap of $550.18M. Figures below are sourced from SEC EDGAR, as-filed.

Net Revenue TTM Growth 1Y: -56.25%
Debt To Equity: -2.88x
P/S TTM: 12.04x
P/B TTM: -5.33x
Market Cap: $550.18M

Data as of 2026-06-30 · Source: SEC EDGAR

Frequently Asked Questions

What industry is SUTRO BIOPHARMA, INC. in?

SUTRO BIOPHARMA, INC. (STRO) operates in the Biological Products, (No Diagnostic Substances) industry.

What is STRO's market cap?

SUTRO BIOPHARMA, INC. (STRO) has a market capitalization of $550.18M as of 2026-06-30.

What exchange does STRO trade on?

SUTRO BIOPHARMA, INC. (STRO) trades on the Nasdaq.