InsiderClue
Stocks · Health care · Biological Products, (No Diagnostic Substances)

aTYR PHARMA INC

ATYR Clue Score32
United States Fiscal year ends December CIK 0001339970
$0.25 -3.56% Close, 9 Oct 2026
Alert on the numbers Alert on insider trades
Price $0.25 −97.39% Close, 9 Oct 2026

Closing prices at the end of each trading day, from 12 Oct 2016. Not a live quote. Adjusted for share splits, so the line has no step at a split; dividends are not added back.

Revenue and profit

What the business sells, and what is left of it. Point at a year for the detail.
RevenueOperating incomeNet income
Fiscal year 2016Operating income−57.9Net income−57.9Fiscal year 2017Operating income−47.1Net income−48.2Fiscal year 2018Operating income−32.8Net income−34.5Fiscal year 2019Revenue0.4Operating income−23.0Net income−16.2Fiscal year 2020Revenue10.5 +2,377.5%Operating income−15.9Net income−16.2EPS, diluted−1.77Fiscal year 2021Revenue0.0 −100.0%Operating income−34.0Net income−33.8EPS, diluted−1.77Fiscal year 2022Revenue10.4Operating income−46.4Net income−45.3EPS, diluted−1.60Fiscal year 2023Revenue0.4 −96.6%Operating income−54.9Net income−50.4EPS, diluted−0.94Fiscal year 2024Revenue0.2 −33.4%Operating income−67.9Net income−64.0EPS, diluted−0.86Fiscal year 2025Revenue0.2 −19.1%Operating income−77.6Net income−74.1EPS, diluted−0.80
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Revenue n/a n/a n/a 0.4 10.5 0.0 10.4 0.4 0.2 0.2
Growth +2,377.5% −100.0% −96.6% −33.4% −19.1%
Operating income −57.9 −47.1 −32.8 −23.0 −15.9 −34.0 −46.4 −54.9 −67.9 −77.6
Net income −57.9 −48.2 −34.5 −16.2 −16.2 −33.8 −45.3 −50.4 −64.0 −74.1
Growth
EPS, diluted n/a n/a n/a n/a −1.77 −1.77 −1.60 −0.94 −0.86 −0.80

Margins

How much of each dollar of revenue it keeps. Point at a year for the detail.
Operating marginNet margin
Fiscal year 2016Fiscal year 2017Fiscal year 2018Fiscal year 2019Operating margin−5,445.0%Net margin−3,844.5%Free cash flow margin−4,761.1%Fiscal year 2020Operating margin−152.2%Net margin−155.2%Free cash flow margin−148.3%Fiscal year 2021Fiscal year 2022Operating margin−446.8%Net margin−436.5%Free cash flow margin−419.1%Fiscal year 2023Operating margin−15,557.8%Net margin−14,274.5%Free cash flow margin−10,605.1%Fiscal year 2024Operating margin−28,899.6%Net margin−27,243.8%Free cash flow margin−29,440.0%Fiscal year 2025Operating margin−40,856.3%Net margin−39,009.5%Free cash flow margin−32,664.7%
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Operating margin n/a n/a n/a −5,445.0% −152.2% n/a −446.8% −15,557.8% −28,899.6% −40,856.3%
Net margin n/a n/a n/a −3,844.5% −155.2% n/a −436.5% −14,274.5% −27,243.8% −39,009.5%
Free cash flow margin n/a n/a n/a −4,761.1% −148.3% n/a −419.1% −10,605.1% −29,440.0% −32,664.7%

Cash flow

The cash the business makes, what it reinvests, and what it hands back. Point at a year for the detail.
Operating cash flowCapital expenditureFree cash flow
Fiscal year 2016Operating cash flow−52.9Capital expenditure−0.6Free cash flow−53.5Fiscal year 2017Operating cash flow−42.4Capital expenditure−1.3Free cash flow−43.7Fiscal year 2018Operating cash flow−31.1Capital expenditure−0.6Free cash flow−31.7Fiscal year 2019Operating cash flow−20.0Capital expenditure−0.1Free cash flow−20.1Fiscal year 2020Operating cash flow−15.3Capital expenditure−0.2Free cash flow−15.5Fiscal year 2021Operating cash flow−33.1Capital expenditure−0.2Free cash flow−33.3Fiscal year 2022Operating cash flow−41.9Capital expenditure−1.6Free cash flow−43.5Fiscal year 2023Operating cash flow−33.2Capital expenditure−4.2Free cash flow−37.4Fiscal year 2024Operating cash flow−69.1Capital expenditure−0.1Free cash flow−69.2Fiscal year 2025Operating cash flow−62.0Capital expenditure−0.1Free cash flow−62.1
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Operating cash flow −52.9 −42.4 −31.1 −20.0 −15.3 −33.1 −41.9 −33.2 −69.1 −62.0
Capital expenditure −0.6 −1.3 −0.6 −0.1 −0.2 −0.2 −1.6 −4.2 −0.1 −0.1
Free cash flow −53.5 −43.7 −31.7 −20.1 −15.5 −33.3 −43.5 −37.4 −69.2 −62.1
Growth

Balance sheet

What it holds against what it owes, at each year end. Point at a year for the detail.
CashTotal debt
Fiscal year 2016Cash38.4Total debt9.5Net cash (debt)28.9Shareholders’ equity62.8Debt to equity0.15Fiscal year 2017Cash21.1Total debt19.7Net cash (debt)1.4Shareholders’ equity64.2Debt to equity0.31Fiscal year 2018Cash23.0Total debt16.0Net cash (debt)6.9Shareholders’ equity33.7Debt to equity0.48Fiscal year 2019Cash9.2Total debt8.7Net cash (debt)0.5Shareholders’ equity21.2Debt to equity0.41Fiscal year 2020Cash17.0Shareholders’ equity31.7Fiscal year 2021Cash2.3Shareholders’ equity109.3Fiscal year 2022Cash10.0Shareholders’ equity71.5Fiscal year 2023Cash22.5Shareholders’ equity90.7Fiscal year 2024Cash11.1Shareholders’ equity70.0Fiscal year 2025Cash10.7Shareholders’ equity67.5
FY2016FY2017FY2018FY2019FY2020FY2021FY2022FY2023FY2024FY2025
Cash 38.4 21.1 23.0 9.2 17.0 2.3 10.0 22.5 11.1 10.7
Total debt 9.5 19.7 16.0 8.7 n/a n/a n/a n/a n/a n/a
Net cash (debt) 28.9 1.4 6.9 0.5 n/a n/a n/a n/a n/a n/a
Shareholders’ equity 62.8 64.2 33.7 21.2 31.7 109.3 71.5 90.7 70.0 67.5
Debt to equity 0.15 0.31 0.48 0.41 n/a n/a n/a n/a n/a n/a

In millions of USD, except per-share figures and ratios. Fiscal years, as last filed with the SEC.

Financial statements FY2025 · 10-K

Ratios

Percentages worked out from the filed figures; debt to equity in times. Fiscal years ending December, each column as last filed with the SEC.
Click a line to chart it
Fiscal year FY2016 31 Dec 2016 FY2017 31 Dec 2017 FY2018 31 Dec 2018 FY2019 31 Dec 2019 FY2020 31 Dec 2020 FY2021 31 Dec 2021 FY2022 31 Dec 2022 FY2023 31 Dec 2023 FY2024 31 Dec 2024 FY2025 31 Dec 2025
Margins
n/a n/a n/a −5,445.0% −152.2% n/a −446.8% −15,557.8% −28,899.6% −40,856.3%
n/a n/a n/a −5,631.0% −155.2% n/a −436.5% −14,276.2% −27,243.4% −39,012.1%
n/a n/a n/a −3,844.5% −155.2% n/a −436.5% −14,274.5% −27,243.8% −39,009.5%
n/a n/a n/a −4,761.1% −148.3% n/a −419.1% −10,605.1% −29,440.0% −32,664.7%
Spending
n/a n/a n/a 3,328.9% 165.4% n/a 412.2% 11,981.0% 23,137.0% 31,694.2%
n/a n/a n/a 2,216.1% 86.8% n/a 134.6% 3,676.8% 5,862.6% 9,262.1%
n/a n/a n/a 18.7% 1.9% n/a 15.8% 1,194.1% 27.7% 40.5%
Returns
−92.1% −75.0% −102.6% −76.6% −51.3% −30.9% −63.4% −55.6% −91.4% −109.8%
−71.8% −53.9% −65.4% −44.8% −41.9% −29.2% −47.3% −41.8% −66.1% −79.7%
Balance and payout
0.15 0.31 0.48 0.41 n/a n/a n/a n/a n/a n/a