aTyr Pharma, Inc.

ATYR Healthcare Biotechnology

aTyr Pharma, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $190,000.00, down 19.1% from fiscal 2024.

Revenue
−90.8%
EPS
+51.5%
Free cash flow
+32.2%
Total debt
−94.0%

Quarter to June 2026, against a year earlier

6.28 0.25 +4.15%
Market cap
$14.8M
P/E
0.0×
Fwd P/E
−0.3×
Dividend yield
—
F-score
2/9
Altman Z
−9.34
Beneish M
−3.76
Dividend safety
n/a

Insider Decisions last twelve months

Bought, $m 0.05
Sold, $m 0.01
Trades a month
Jan 26 Apr 26 Jul 26 Oct 26
Buy — — — — — 1 — — — — — —
Sell — — 3 — — — — — — — — —
Insider Ownership 4.56%

Capital & Financial Ratios $m

Size
Market Cap 14.78
Revenue ttm 11.16
Net income ttm (60.81)
Free cash flow ttm (54.81)
Net debt Q (57.38)
Valuation
P/E 0.00
Forward P/E (0.30) (negative: loss-making)
Price / sales 1.38
Forward P/S Powerpack
Price / FCF 0.00
Price / book 0.32
Financial health
Current ratio Q 5.12 (at or above 1.5: strong)
Debt / equity Q 0.00 (at or below 0.5: strong)
Interest coverage Q (7.28)
Growth
Revenue growth Q −90.75% (below 0%: shrinking)
Operating income growth Q +46.43% (above 0%: growing)
EPS, this year +47.75% (at or above 15%: strong)
EPS, next year A +3.81%
Revenue, next year A +916.32% (at or above 10%: strong)
EPS, past 5 yrs —
EPS, next 5 yrs A +22.02% (at or above 15%: strong)

Green and red mark values outside typical ranges; (Q) is the latest quarter, (A) analysts’ estimates. How we judge →

Valuation vs history

P/S against its own 10 years 0.48%
10-year low 10-year high
P/B against its own 10 years 8.36%
10-year low 10-year high
EV/FCF against its own 10 years 71.17%
10-year low 10-year high

Dividends

Yield
—
Annual rate
—
Payout ratio
—

Assets vs Liabilities $m

2023 2024 2025 Q'26
Cash 98 72 79 57
Receivables 2 2 1 0
Inventory — — — —
Other — — — —
103 82 80 58
2023 2024 2025 Q'26
Payables 4 4 4 3
ST’ Debt — — — —
Other — — — —
16 15 15 11

Compound Annual Growth %

10y 5y 3y
Sales — (14.75%) (73.65%)
Cash Flow 0.00% 0.00% 0.00%
Earnings 0.00% 0.00% 0.00%
Book Value (5.22%) 16.40% (1.90%)

Earnings Trends EPS, adjusted, against the consensus

EPS $

Mar Jun Sep Dec Year
’26 (4.40) (4.21) — — —
’25 (6.88) (8.67) (10.60) (5.73) (31.89)
’24 (9.37) (9.02) (9.11) (6.98) (34.48)
’23 (11.41) (8.95) (7.84) (9.40) (37.61)
’22 (17.48) (17.70) (18.48) (10.16) (63.82)
’21 (20.29) (25.77) (16.89) (0.31) (70.81)
’20 10.18 (27.56) (27.36) (26.13) (70.87)
Fiscal quarters ending in the months shown.

Revenue $m

Mar Jun Sep Dec Year
’26 — — — — —
’25 — — 0 — 0
’24 0 — — — 0
’23 — — 0 — 0
’22 — — — 10 10
’20 8 0 0 2 10
Fiscal quarters ending in the months shown.

Operating Cash Flow $m

Mar Jun Sep Dec Year
’26 (13) (9) — — —
’25 (15) (14) (20) (12) (62)
’24 (22) (20) (13) (13) (69)
’23 (1) (12) (10) (11) (33)
’22 (10) (9) (12) (10) (42)
’21 (6) (8) (11) (8) (33)
’20 2 (6) (6) (5) (15)
Fiscal quarters ending in the months shown.

Free Cash Flow $m

Mar Jun Sep Dec Year
’26 (13) (9) — — —
’25 (15) (14) (21) (12) (62)
’24 (22) (20) (13) (13) (69)
’23 (2) (14) (10) (11) (37)
’22 (10) (9) (13) (11) (43)
’21 (6) (8) (12) (8) (33)
’20 2 (6) (6) (5) (15)
Fiscal quarters ending in the months shown.

Target Price Range

Analyst price targets

Recommendation Rating

2.1
1Buy 2 3Hold 4 5Sell

Ten years at a glance Fiscal years to December

Ten-year view Analyst estimates Powerpack
Group Line 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 TTM Jun ’26 Trend 10 yrs 2026e 2027e 2028e Next 3/yr
Income, $m
Income, $m Revenue — — — 0 10 — 10 0 0 0 11 (12.5%) 2 2 2 +116.6%
Gross margin, % 0.00 0.00 0.00 100.00 100.00 0.00 100.00 100.00 100.00 100.00 1.72 +100.0 pt
EBT (58) (48) (35) (24) (16) (34) (45) (50) (64) (74) (61) +2.8%
EBT margin, % 0.00 0.00 0.00 (5,631.04) (155.24) 0.00 (436.58) (14,276.77) (27,243.40) (39,012.11) 0.00 (39,012.1) pt
Net income (58) (48) (35) (24) (16) (34) (45) (50) (64) (74) (61) +2.8%
Per share, $
Per share, $ Revenue 0.00 0.00 0.00 5.03 45.66 0.00 14.62 0.26 0.13 0.08 0.00 n/m
Earnings (1,368.68) (1,045.14) (644.54) (283.26) (70.87) (70.81) (63.82) (37.61) (34.48) (31.89) (24.94) (34.1%)
Cash flow (1,249.67) (918.96) (579.53) (238.53) (66.82) (69.34) (58.95) (24.79) (37.23) (26.67) (22.25) (34.8%)
Capex (14.18) (28.46) (11.08) (0.33) (0.80) (0.30) (2.06) (3.13) (0.03) (0.03) (0.11) (49.9%)
Free cash flow (1,263.85) (947.42) (590.62) (238.87) (67.62) (69.64) (61.01) (27.92) (37.26) (26.69) (22.35) (34.9%)
Book value 1,484.66 1,393.60 627.80 250.61 137.48 228.78 100.33 67.50 37.61 28.95 19.82 (35.4%)
Shares, m 0 0 0 0 0 0 1 1 2 2 2 +56.1%
Valuation, ×
Valuation, × P/E — — — 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.0
P/S — — — 0.00 3.40 — 5.25 6.19 20.64 6.52 1.38 7.0
P/B — — — 0.67 1.13 — 0.94 0.89 3.85 1.08 0.32 1.4
EV/Sales — — — 0.00 0.79 — 0.39 (1.05) 15.40 (0.23) (3.49) 2.6
EV/FCF — — — 0.27 (0.54) — (0.12) 0.36 (2.90) 0.04 0.71 (0.5)
Cash, $m
Cash, $m Operating cash flow (53) (42) (31) (20) (15) (33) (42) (33) (69) (62) (55) +1.8%
Capex (1) (1) (1) 0 0 0 (1) (4) 0 0 0 (21.9%)
Free cash flow (53) (44) (32) (20) (15) (33) (43) (37) (69) (62) (55) +1.7%
Balance, $m
Balance, $m Working capital 66 77 40 19 30 108 67 87 67 65 47 (0.2%)
Net debt (63) (65) (34) (29) (30) (108) (65) (97) (71) (78) (57) +2.5%
Shareholders’ equity 63 64 34 21 31 109 71 90 70 67 49 +0.8%
Returns, %
Returns, % ROA (55.05) (56.75) (48.58) (53.08) (43.31) (43.78) (42.91) (46.56) (58.88) (78.09) (70.97) (23.0) pt
ROIC (18,959.42) 0.00 (15,194.44) 0.00 (847.77) (1,318.00) (471.97) 0.00 0.00 0.00 0.00 +18,959.4 pt
ROE (65.06) (75.89) (70.52) (86.34) (61.80) (48.03) (50.26) (62.30) (79.88) (108.11) (98.67) (43.0) pt
People
People Employees 58 65 42 44 43 53 70 59 59 58 — 0.0%
Revenue/emp, $m 0.00 0.00 0.00 0.01 0.24 0.00 0.15 0.01 0.00 0.00 — n/m
Negative figures in brackets.
estimates

All 10 years →

Fiscal years to Dec 2025 · latest quarter Sep 2025 · fundamentals updated 2 Nov 2026

aTyr Pharma, Inc. vs peers in Biotechnology (Q) = latest quarter vs a year earlier

Company Market cap P/E Fwd P/E Revenue growth (Q) EPS growth (Q) FCF growth (Q) Gross margin (Q) EBIT margin (Q) Compare
VAXX Vaxxinity, Inc. $15.5M — (loss-making) — (loss-making) −100.23% (below 0%: shrinking) n/m +17.00% (above 0%: growing) 0.00% 0.00% Compare
ABOS Acumen Pharmaceuticals, Inc. $15.5M — (loss-making) — — n/m +12.58% (above 0%: growing) 0.00% 0.00% Compare
CTXR Citius Pharmaceuticals, Inc. $15.3M — (loss-making) — — n/m −60.50% (below 0%: shrinking) 67.07% (785.39%) Compare
PLUR Pluri Inc. $15.0M — (loss-making) — (loss-making) −15.83% (below 0%: shrinking) n/m +25.03% (above 0%: growing) 58.51% (1,655.52%) Compare
NEUP Neuphoria Therapeutics Inc. $15.0M — (loss-making) — (loss-making) −107.32% (below 0%: shrinking) n/m +133.86% (above 0%: growing) 100.00% 0.00% Compare
MRKR MARKER THERAPEUTICS, INC. $14.9M — (loss-making) — (loss-making) −51.00% (below 0%: shrinking) n/m −97.84% (below 0%: shrinking) 209.68% 0.00% Compare
KYNB Kyntra Bio Inc $14.8M 0.1× — (loss-making) −209.35% (below 0%: shrinking) n/m −131.50% (below 0%: shrinking) 100.14% 1,192.27% Compare
ATYR aTyr Pharma, Inc. $14.8M — (loss-making) — (loss-making) −90.75% (below 0%: shrinking) n/m +32.22% (above 0%: growing) 100.00% 0.00%
ADAPY Adaptimmune Therapeutics PLC $14.6M — (loss-making) — (loss-making) −89.33% (below 0%: shrinking) n/m −174.72% (below 0%: shrinking) 81.71% (221.45%) Compare
Median of peers $15.0M — — −94.78% — −23.96% 74.39% 0.00%

All 621 Biotechnology stocks →

Pay and ownership Proxy statement filed 11 September 2026

Ownership

Directors and executive officers, together 5.03%
1001 Liberty AvenuePittsburgh, PA 8.68%
Ownership is the proxy’s own table: the directors and officers as a group, and every holder of 5% or more. Read the proxy statement

aTyr Pharma, Inc. (ATYR) Latest News

27 Oct

Impact 3 · · GlobeNewswire

19 Oct

5 Mar

Impact 4 · · Associated Press Finance

11 Jan

Impact 3 · · Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.Simply Wall St.

6 Nov

Impact 3 · · Associated Press Finance earnings
Impact 3 · · GlobeNewswireMotley FoolClinical Trials ArenaGuruFocus.comGuruFocus.comMT NewswiresGuruFocus.com

12 Oct

15 Sep

Impact 4 · · biopharmadive.com
stockrow.com/ATYR · Data as of Nov 2, 2026 · For information only; not investment advice. · © 2026 stockrow.com