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SC 13D/A ·Filed Oct 19, 2026

DCTH

DELCATH SYSTEMS, INC.
NEUTRAL
Impact 4/10
Horizonweeks Processed7d 23h ago SEC0001622627-26-000027
Activist stake amendment (position change)
Actionable Insight • Neutral

Monitor for any future escalation from Rosalind, such as increased stake or new strategic demands, particularly around Delcath's upcoming quarterly results and any potential capital needs. The continued board presence suggests ongoing engagement but no immediate catalyst.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+5d
DCTH ▲ +0.97% at T+5d
NEUTRAL call +0.97% · α vs SPY +1.12% · entry $14.37 → $14.51
Next anchor: T+20d in 20d
Entry = T+0 close
Oct 19, 2026
via day close
T+1d
+2.71%
call +2.71% · α +2.38%
$14.76
settled 7d ago
T+5d
+0.97%
call +0.97% · α +1.12%
$14.51
settled yesterday
T+20d
Pending
in 20d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Rosalind Advisors and affiliates filed an amended Schedule 13D for Delcath Systems, reporting aggregate beneficial ownership of 6,692,491 shares of common stock (on an as-converted/as-exercised basis before blockers), representing 9.9% of outstanding shares. The filing confirms the activist's continued board representation (Steven Salamon and Gil Aharon as directors) and maintains the existing 9.99% conversion blocker on preferred stock and 4.99% exercise blocker on warrants. No new demands or changes in purpose were disclosed.

Key Financial Metrics

Stake
9.9%
Investor
Rosalind Advisors, Inc.

Key Facts

  • Rosalind Advisors and affiliates report beneficial ownership of 6,692,491 shares of common stock (on an as-converted/exercised basis before blockers), representing 9.9% of outstanding shares.
  • The filing is an amendment to Schedule 13D, updating ownership as of October 13, 2026.
  • Steven Salamon and Gil Aharon continue to serve as independent directors on Delcath's board.
  • Conversion of preferred stock is subject to a 9.99% blocker; exercise of warrants is subject to a 4.99% blocker.
  • The filing does not disclose any new demands, strategic initiatives, or changes in the activist's stated purpose.

Financial Impact

No material financial impact identified. The filing is a routine ownership update with no new capital deployment or strategic demands.

Risk Factors

  • Potential future activist pressure if Delcath's financial performance or strategic direction disappoints.
  • Dilution risk from conversion/exercise of preferred stock and warrants, though blockers limit near-term impact.

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13D/A Filing (Primary)0001622627-26-000027
Document: 0001622627-26-000027-index-headers.html0001622627-26-000027
Document: 0001622627-26-000027-index.html0001622627-26-000027
Document: 0001622627-26-000027.txt0001622627-26-000027
8 reports for DCTH
Performance horizon
100% Hit rate @ T+60 3 of 3 directional calls Went positive at some point 3 of 3 best @ T+60▲ +27.22%Feb 26, 2026
Filters
Rows
Reports for DCTH — sortable, filterable
TypeNow
Oct 19, 2026
7d ago
SC 13D/A
NEUTRAL ★ 4/10
$14.37awaiting T+60—$14.82 (+3.13%)
Jun 11, 2026
19w ago
Institutional Cluster
MIXED ★ 4/10
$11.77 $16.48▲ +40.08%▲ +35.68%$14.82 (+25.97%)
May 14, 2026
23w ago
8-K
NEUTRAL ★ 3/10
$11.46 $16.67▲ +45.46%▲ +41.87%$14.82 (+29.32%)
May 7, 2026
24w ago
8-K
NEUTRAL ★ 5/10
$11.24 $13.04▲ +16.01%▲ +12.18%$14.82 (+31.85%)
Apr 2, 2026
29w ago
DEFA14A
NEUTRAL ★ 3/10
$9.63 $12.59▲ +30.74%▲ +16.58%$14.82 (+53.89%)
Mar 2, 2026
34w ago
Insider Cluster
BULLISH ★ 6/10
$8.93 $10.83▲ +21.28%▲ +11.95%$14.82 (+65.96%)
Feb 28, 2026
34w ago
Institutional Cluster
BULLISH ★ 6/10
$8.93 $10.83▲ +21.28%▲ +11.95%$14.82 (+65.96%)
Feb 26, 2026
34w ago
8-K
BULLISH ★ 8/10
$9.00 $11.45▲ +27.22%▲ +19.47%$14.82 (+64.67%)
Showing 8 of 8

US Market Status

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Report published Oct 19, 2026