STRO

Sutro Biopharma, Inc.
NasdaqGMUSDEQUITY Healthcare DELAYED
Last price
14.45
▼ 0.68 (4.49%)
MARKET · —

Price

1D — H — L — Range — Vol —
Drag pan · Pinch zoom · Hold crosshair · pick a tool then drag to draw
Open
15.14
Prev close
15.13
Day high
15.14
Day low
14.37
Volume
162.79K
Market cap
$239.60M
P/E (TTM)
—
52W range
7.15 – 43.85

Day trading desk

Current session · delayed
Gap from prior close
+0.07%
Prior close 15.13
VWAP
14.53
-0.57% from price
Relative volume
1.02×
Normal
Session range
5.36%
14.37 – 15.14
Position in range
10%
Near session low
ATR (14D)
0.95
6.60% of price
Prior day high
15.46
PDH
Prior day low
14.27
PDL
Bid / ask spread
—
Quote not published
Session volume
303.42K
Avg 296.30K

VWAP and the session figures are computed from the delayed intraday series on this page, so they lag the live tape and will not match a broker's real-time VWAP exactly. Turn on Prior day H/L/C, Opening range and Volume profile in the chart's Studies menu to see these levels drawn on price.

Trailing performance

Price return · vs SPY
Returnvs SPY
1W
-10.25% -12.2%
1M
-28.00% -29.2%
3M
-54.62% -59.1%
6M
-43.80% -62.0%
YTD
+24.89% +10.6%
1Y
+58.79% +42.4%
3Y
-58.36% -140.6%
5Y
— —

Price return only. Dividends are not reinvested, so total return on a dividend payer will be higher than shown.

Unusual options activity

Account required
Nothing crossed the thresholds in the expiries we scanned.
That is the normal state — most contracts trade well inside their existing open interest.
Free account required

Contracts trading at or above their open interest, ranked by notional and where the print landed.

Free account

5 more panels on STRO open with an account.

Options chains and analytics, valuation ratios, insider filings, analyst targets and ownership. No card, no trial, nothing to cancel.

Insider net activity

6m · Form 4 rollup
Net shares
0
Net selling
Buy transactions
0
0 shares
Sell transactions
0
—
Net transactions
0
Buys less sells
Sell : buy shares
—
Not enough filings
Insider-held shares
374.40K
Total on file

Insider transactions

Account required
DateInsiderAction SharesValueHeld
Sep 18, 26
GERBER HANS-PETER PH.D.
Officer
— 3.75K — Direct
Jun 2, 26
CHOW GREGORY KWOK LEE
Chief Financial Officer
— 2.50K — Direct
Mar 4, 26
CHUNG JANE
Chief Executive Officer
— 788 — Direct
Mar 4, 26
PAULING DAVID J.D.
General Counsel
— 675 — Direct
Mar 2, 26
CHUNG JANE
Chief Executive Officer
— 10.94K — Direct
Mar 2, 26
GERBER HANS-PETER PH.D.
Officer
— 3.97K — Direct
Mar 2, 26
PAULING DAVID J.D.
General Counsel
— 3.70K — Direct
Dec 12, 25
CHUNG JANE
Chief Executive Officer
— 2.50K — Direct
Oct 15, 25
MATSUI CONNIE L
Director
BUY 50.00K $39.95K Direct
Oct 15, 25
CHOW GREGORY KWOK LEE
Chief Financial Officer
BUY 19.75K $16.00K Direct
Oct 15, 25
CHUNG JANE
Chief Executive Officer
BUY 12.50K $10.01K Direct
Oct 15, 25
GERBER HANS-PETER PH.D.
Officer
BUY 17.00K $13.61K Direct
Oct 15, 25
PAULING DAVID J.D.
General Counsel
BUY 12.50K $9.99K Direct
Sep 18, 25
GERBER HANS-PETER PH.D.
Officer
— 37.50K — Direct
What this is, and what it is not

These are SEC Form 4 filings — officers, directors and 10% owners reporting their own trades in the company's stock. Filing is due within two business days of the transaction, so this lags reality by days, and the provider adds its own lag on top.

A sale is not automatically bearish. Executives sell on scheduled 10b5-1 plans, to cover tax on vesting equity, and to diversify. Purchases with cash are generally the more informative signal, and they are far rarer.

This does not include congressional or senate trading. That comes from STOCK Act disclosures filed with the Senate eFD system and the House Clerk, which this data source does not carry.

Free account required

Officer and director trades in their own stock, straight from Form 4 filings.

Insider holders

10 reporting
NameRelationShares heldLatest
ALBINI EDWARD C
Chief Financial Officer 160.81K Conversion of Exercise of derivative security
BORGMAN ANNE ELIZABETH
Officer 97.45K Conversion of Exercise of derivative security
CHUNG JANE
Chief Executive Officer 21.29K Conversion of Exercise of derivative security
FITZPATRICK LINDA A.
Officer 130.13K Conversion of Exercise of derivative security
GERBER HANS-PETER PH.D.
Officer 12.37K Conversion of Exercise of derivative security
LEYMAN BARBARA
Officer 16.06K Conversion of Exercise of derivative security
MATSUI CONNIE L
Director 50.00K Purchase
NEWELL WILLIAM J
Chief Executive Officer 409.06K Conversion of Exercise of derivative security
PAULING DAVID J.D.
General Counsel 9.75K Conversion of Exercise of derivative security
SRINIVASAN VENKATESH
Officer 53.69K Conversion of Exercise of derivative security

Fundamentals

TTM · reported
Market cap$239.60M
Enterprise value$86.03M
Revenue (TTM)$45.70M
Gross profit$-99.04M
EBITDA$-125.80M
Net income$-180.64M
EPS (TTM)$-17.28
Free cash flow$-100.76M
Total cash$164.35M
Total debt$10.78M
Book value / share$-6.23
Shares outstanding16.58M
Float10.76M
Short % of float12.56%
Dividend yield0.00%
Beta (5Y)1.50

Valuation & profitability ratios

Account required
Trailing P/E—
Forward P/E-2.33
PEG ratio—
Price / sales—
Price / book—
EV / revenue1.88
EV / EBITDA-0.68
Gross margin-216.71%
Operating margin-301.73%
Profit margin0.00%
Return on equity—
Return on assets-36.08%
Debt / equity—
Current ratio3.32
Free account required

Fourteen ratios including P/E, PEG, EV/EBITDA, margins and return on equity.

Financial statements

As reported · 5 years · 6 quarters
Blank means not reported, not zero
Line item2025202420232022YoY
Total revenue $102.48M$62.04M$153.73M$67.77M +65.2%
Operating revenue $102.48M$62.04M$153.73M$67.77M +65.2%
Research & development $166.42M$252.04M$180.43M$137.17M -34.0%
Selling, general & admin $41.02M$48.45M$62.58M$59.54M -15.3%
Total operating expense $207.44M$300.50M$243.01M$196.72M -31.0%
Operating income -$104.95M-$238.45M-$89.28M-$128.94M +56.0%
Net interest income -$32.81M$13.36M-$9.24M$109.00K -345.7%
Pre-tax income -$191.18M-$225.10M-$88.60M-$116.70M +15.1%
Tax provision -$93.00K$2.36M$18.19M$2.50M -103.9%
Net income -$191.09M-$227.46M-$106.79M-$119.20M +16.0%
Net income to common -$191.09M-$227.46M-$106.79M-$119.20M +16.0%
Basic EPS -22.49-29.40-17.80-23.50 +23.5%
Diluted EPS -22.49-29.40-17.80-23.50 +23.5%
EBIT -$149.12M-$194.03M-$64.85M-$113.36M +23.1%
EBITDA -$141.79M-$186.81M-$58.03M-$107.67M +24.1%
Basic shares 8.50M7.74M6.02M5.07M +9.8%
Diluted shares 8.50M7.74M6.02M5.07M +9.8%

Options analytics

Account required
Put / call volume
0.09
Call-heavy session
Put / call open interest
—
Positioning, not flow
Max pain
12.50
-13.5% from spot
ATM implied vol
6.3%
Nearest strike to spot
Skew (10% OTM)
+18.7%
Puts bid over calls
Call volume
44
Contracts, this expiry
Put volume
4
Contracts, this expiry
Heaviest call OI
15.00
0 contracts
Heaviest put OI
12.50
0 contracts

Max pain is the strike at which the largest dollar value of open contracts expires worthless. It describes current positioning; it is not a forecast and it moves as open interest changes.

Free account required

Put/call ratios, max pain, implied volatility skew and where open interest is concentrated.

Earnings

History & consensus estimates
Reported vs expected · EPS
QuarterEst.ActualSurprise
Jun 2026 -2.29-2.31 -1.0%
Mar 2026 -3.22-2.94 +8.6%
Dec 2025 -4.43-4.88 -10.2%
Sep 2025 -3.55-5.57 -57.0%
Forward consensus
PeriodEPSAnalystsRevenueGrowth
Current quarter -2.07 3 $13.62M +40.5%
Next quarter -2.36 3 $13.59M +16.7%
Current year -7.77 3 $51.55M -49.7%
Next year -6.21 4 $31.59M -38.7%

Analyst targets & ownership

Account required
Mean target$47.23
High target$61.00
Low target$10.00
Implied upside226.86%
Analyst count13
ConsensusSTRONG BUY
Strong buy / Buy3 / 10
Hold0
Sell / Strong sell0 / 1
Held by insiders2.26%
Held by institutions98.91%
Institutions holding145
Free account required

Price targets, consensus spread, insider and institutional ownership.

Moving averages & technicals

Computed from 2Y daily closes
SMA 10
15.66
-7.70% from price
SMA 20
16.10
-10.24% from price
SMA 50
19.84
-27.16% from price
SMA 100
24.21
-40.32% from price
SMA 200
23.03
-37.25% from price
EMA 12
15.77
-8.37% from price
EMA 26
17.12
-15.62% from price
EMA 50
19.39
-25.48% from price
RSI (14)
23.9
Oversold
MACD (12,26,9)
-1.35
Hist 0.11
ATR (14)
0.95
6.60% of price
Realised vol 30D
43.7%
Annualised
Bollinger upper
17.85
20, 2σ
Bollinger lower
14.35
20, 2σ
50 / 200 cross
Death
19.84 vs 23.03
Trend bias
Below 200
-37.25%

Options chain

Account required
Expiry
Spot 14.45
Calls
StrikeLastBidAskVolOIIV
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
Puts
StrikeLastBidAskVolOIIV
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
000.000.000.000.00000.0%
Free account required

Every listed expiry, both sides of the book, with volume, open interest and implied volatility.

Risk profile

Daily returns · 1Y window
Beta vs SPY
1.19
More volatile than market
Correlation to SPY
0.17
Largely independent
Realised vol 30D
43.7%
Annualised
Market vol 1Y
13.0%
SPY, annualised
Max drawdown 1Y
-64.7%
Peak to trough
Max drawdown 5Y
-97.8%
Peak to trough
ATR 14
0.95
6.60% of price
Beta (reported)
1.50
5Y monthly, from filing

Short interest

Semi-monthly exchange report · lags by ~2 weeks
Shares short
2.08M
Prior 1.86M
Change vs prior
+11.9%
Shorts adding
% of float
12.56%
Elevated
% of shares out
12.52%
Against total outstanding
Days to cover
7.4
Crowded exit
Float
10.76M
Freely tradeable shares

Exchanges publish short interest twice a month with a settlement lag, so this is roughly two weeks behind. Days to cover divides shares short by average daily volume — it estimates how long covering would take, not whether it will happen.

Rating changes

79 on file
DateFirm ActionFromTo
Aug 13, 26 Citizens MAINTAINED Market Outperform Market Outperform
Aug 13, 26 Wedbush MAINTAINED Outperform Outperform
May 28, 26 Barclays INITIATED — Overweight
May 15, 26 Leerink Partners MAINTAINED Outperform Outperform
May 15, 26 Wedbush UPGRADE Neutral Outperform
May 15, 26 HC Wainwright & Co. MAINTAINED Buy Buy
Apr 30, 26 Mizuho INITIATED — Outperform
Apr 23, 26 Citizens MAINTAINED Market Outperform Market Outperform
Apr 17, 26 Citizens MAINTAINED Market Outperform Market Outperform
Apr 7, 26 Leerink Partners INITIATED — Outperform
Mar 25, 26 Deutsche Bank MAINTAINED Buy Buy
Mar 24, 26 Wells Fargo UPGRADE Equal-Weight Overweight

Dividends & splits

Declared · from the issuer
Forward rate—
Forward yield0.00%
5-year avg yield—
Payout ratio0.00%
Ex-dividend date—
Next pay date—
Last split1:10
Split dateDec 3, 2025

PRIVATE STRATEGY · BY QUALIFICATION

The same data. A different seat.

The research you are reading is the input layer for a discretionary options program we run for a small number of qualified investors. Minimum $1,000,000.