PRTA · Prothena Corp Public Ltd Co · Earnings Call Transcripts & Audio
$8.61
+0.23 (+2.74%)
At close · Oct 1
Return incl. dividend (before tax)
Market Cap
$425.58M
Shares
51.34M
Volume · Sep 30
634.78K
Avg daily vol (3M)
469.92K
Prothena Corp Public Ltd Co Earnings Call Transcripts
Quarterly earnings calls for Prothena Corp Public Ltd Co (PRTA), with available speaker-labelled transcripts, captured audio replays, call highlights, 8-K earnings releases and periodic filings. Investor days and conferences appear here too.
Revenue & result across quarters
Revenue Net income YoY up YoY down artefacts
▲32%
$256,000
−$21.55M
'19 Q4
20-02-12
▲16.8%
$195,000
−$26.28M
'20 Q2
20-08-06
▼23.4%
$157,000
−$30.58M
'20 Q3
20-11-04
▲40.6%
$360,000
−$30.72M
'20 Q4
21-02-11
▲225.6%
$1.17M
−$33.18M
'21 Q4
22-02-17
▲4159.6%
$49.92M
$6.35M
'22 Q4
23-02-23
▼99.4%
$316,000
−$67.48M
'23 Q4
24-02-15
▲571.8%
$2.12M
−$57.96M
'24 Q4
25-02-20
LATEST
▼99%
$21,000
−$21.59M
'25 Q4
26-02-19
Conference
Investor event
2026-09-16
Prothena Corp Public Ltd Co (PRTA) September 2026 Conference Transcript
No reported result — non-financial event
Audio
Transcript
Slides
Earnings call
FY25 · Q4
2026-02-19
Prothena Corp Public Ltd Co (PRTA) Q4 2025 Earnings Call Transcript
Confident tone
CytoPe intracellular targeting technology
PRX-12 and transferrin receptor platform
Partner program milestones and economics
Revenue
$21,000*
▼ 99% YoY
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY24 · Q4
2025-02-20
Prothena Corp Public Ltd Co (PRTA) Q4 2024 Earnings Call Transcript
Positive tone
PRX-12 Anti-A-beta Alzheimer's Program
PRX-123 Dual Vaccine
Commercial Build-Out and Launch Readiness
Revenue
$2.12M*
▲ 571.8% YoY
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY23 · Q4
2024-02-15
Prothena Corp Public Ltd Co (PRTA) Q4 2023 Earnings Call Transcript
Positive tone
PRX012 in Alzheimer's disease
Birtamimab / AFFIRM-AL Phase 3 in AL Amyloidosis
Prasinezumab (Roche partnership) and PADOVA readout
Revenue
$316,000*
▼ 99.4% YoY
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY22 · Q4
2023-02-23
Prothena Corp Public Ltd Co (PRTA) Q4 2022 Earnings Call Transcript
Revenue
$49.92M*
▲ 4159.6% YoY
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY21 · Q4
2022-02-17
Prothena Corp Public Ltd Co (PRTA) Q4 2021 Earnings Call Transcript
Revenue
$1.17M*
▲ 225.6% YoY
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY20 · Q4
2021-02-11
Prothena Corp Public Ltd Co (PRTA) Q4 2020 Earnings Call Transcript
Revenue
$360,000
▲ 40.6% YoY Diluted EPS
$-0.77
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Earnings call
FY20 · Q3
2020-11-04
Prothena Corp Public Ltd Co (PRTA) Q3 2020 Earnings Call
Revenue
$157,000
▼ 23.4% YoY Diluted EPS
$-0.77
Rev · 8q
Audio
Transcript
Slides
8-K10-Q
Earnings call
FY20 · Q2
2020-08-06
Prothena Corp Public Ltd Co (PRTA) Q2 2020 Earnings Call
Revenue
$195,000
▲ 16.8% YoY Diluted EPS
$-0.66
Rev · 8q
Audio
Transcript
Slides
8-K10-Q
Earnings call
FY19 · Q4
2020-02-12
Prothena Corp Public Ltd Co (PRTA) Q4 2019 Earnings Call
Revenue
$256,000
▲ 32% YoY Diluted EPS
$-0.54
Rev · 8q
Audio
Transcript
Slides
8-K10-K
Showing 1–10 of 10 earnings calls