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SC 13G ·Filed Oct 26, 2026

KLRS

Kalaris Therapeutics, Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed1d 1h ago SEC0001104659-26-118876
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any future amendments to this 13G or a conversion to 13D, which would signal a change in intent. The passive nature of this filing suggests no immediate activist engagement.

DirectionNeutral
Confidencehigh
Horizonweeks

Price Chart

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Executive Summary

Coastlands Capital LP and related entities filed a Schedule 13G disclosing a 5.69% passive stake in Kalaris Therapeutics, Inc., representing 1,355,119 shares of common stock. The filing certifies that the securities were acquired in the ordinary course of business and not with the purpose of changing or influencing control of the issuer.

Key Financial Metrics

Stake
5.69%
Investor
Coastlands Capital LP
Investor Type
hedge fund

Key Facts

  • Coastlands Capital LP and related entities filed a Schedule 13G on October 26, 2026.
  • The filing discloses beneficial ownership of 1,355,119 shares of Kalaris Therapeutics common stock.
  • The stake represents 5.69% of shares outstanding, based on 23,804,981 shares outstanding as of August 4, 2026.
  • The filing certifies passive intent under Rule 13d-1(b) and Rule 13d-1(c).
  • The shares are held directly by Coastlands Capital Partners LP.
  • Matthew D. Perry is the control person of the reporting entities.

Financial Impact

Passive 5.69% stake valued at approximately $2.7 million based on $47M market cap.

ownership concentration

Risk Factors

  • No specific risks identified from this passive stake disclosure.

Market Snapshot

Exchange
Nasdaq
Sector
Biological Products, (No Diagnostic Substances)
Analyst Consensus
86% bullish (14 analysts)

Investment Themes

Documents Analyzed

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

DocumentAccession Number
SC 13G Filing (Primary)0001104659-26-118876
Document: 0001104659-26-118876-index-headers.html0001104659-26-118876
Document: 0001104659-26-118876-index.html0001104659-26-118876
Document: 0001104659-26-118876.txt0001104659-26-118876
16 reports for KLRS
Performance horizon
40% Hit rate @ T+60 2 of 5 directional calls Went positive at some point 2 of 5 best @ T+60▲ +27.75%Apr 3, 2026
Filters
Rows
Reports for KLRS — sortable, filterable
TypeNow
Oct 26, 2026
1d ago
SC 13G
NEUTRAL ★ 3/10
$1.80awaiting T+60—$1.86 (+3.33%)
Aug 11, 2026
11w ago
8-K
NEUTRAL ★ 4/10
$3.97awaiting T+60—$1.86 (−53.15%)
Aug 11, 2026
11w ago
Press Release
NEUTRAL ★ 4/10
$3.97awaiting T+60—$1.86 (−53.15%)
Aug 3, 2026
12w ago
3
NEUTRAL ★ 2/10
$4.32awaiting T+60—$1.86 (−56.94%)
Jul 20, 2026
14w ago
8-K
NEUTRAL ★ 3/10
$4.00 $2.23▼ −44.25%▼ −49.09%$1.86 (−53.50%)
Jul 17, 2026
14w ago
8-K
BULLISH ★ 7/10
$4.38 $2.26▼ −48.40%▼ −53.09%$1.86 (−57.53%)
Jul 17, 2026
14w ago
Press Release
BULLISH ★ 6/10
$4.38 $2.26▼ −48.40%▼ −53.09%$1.86 (−57.53%)
Jun 11, 2026
19w ago
Institutional Cluster
NEUTRAL ★ 3/10
$4.36 $3.90▼ −10.55%▼ −14.95%$1.86 (−57.34%)
May 12, 2026
24w ago
8-K
NEUTRAL ★ 4/10
$4.79 $4.19▼ −12.53%▼ −16.91%$1.86 (−61.17%)
May 12, 2026
24w ago
Press Release
NEUTRAL ★ 4/10
$4.79 $4.19▼ −12.53%▼ −16.91%$1.86 (−61.17%)
Showing 10 of 16

US Market Status

Market Closed — Opens Wed (< 1m)

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Report published Oct 26, 2026