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SC 13G ·Filed Sep 21, 2026

HOWL

Werewolf Therapeutics, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed1mo ago SEC0001732748-26-000003
Passive investor 5%+ stake
Actionable Insight • Neutral

A passive 5.2% stake by an individual investor is a routine disclosure with no immediate catalyst. Monitor for any future conversion to a 13D if the investor's intent changes, but no action warranted at this time.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+20d
HOWL ▲ +6.12% at T+20d
NEUTRAL call +6.12% · α vs SPY +7.03% · entry $0.9800 → $1.04
Next anchor: T+60d in 7w
Latest observation: T+24 -31.52% FF3 residual α
Entry = T+0 close
Sep 21, 2026
via day close
T+1d
+0.20%
call +0.20% · α +0.22%
$0.9820
settled 5w ago
T+5d
-5.10%
call -5.10% · α -4.08%
$0.9300
settled 29d ago
T+20d
+6.12%
call +6.12% · α +7.03%
$1.04
settled 8d ago
T+60d
Pending
in 7w

Price Chart

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Executive Summary

Peter Moll, a private investor based in Dresden, Germany, disclosed a 5.2% passive stake in Werewolf Therapeutics via a Schedule 13G filed on September 21, 2026. The stake of 2,537,138 shares was acquired in the ordinary course of business with no intent to influence control, making this a routine passive ownership disclosure.

Key Financial Metrics

Stake
5.2%
Investor
Peter Moll

Key Facts

  • Peter Moll reported beneficial ownership of 2,537,138 shares of Werewolf Therapeutics common stock.
  • The stake represents 5.2% of shares outstanding.
  • The filing is a Schedule 13G, indicating passive investment intent with no control or influence purpose.
  • The investor is an individual (private investor), not an institutional fund.

Financial Impact

Passive 5.2% stake — no direct financial impact from the filing itself.

Risk Factors

  • No material risks identified from this filing.

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0001732748-26-000003
Document: 0001732748-26-000003-index.html0001732748-26-000003
Document: 0001732748-26-000003.txt0001732748-26-000003
25 reports for HOWL
Performance horizon
80% Hit rate @ T+5 12 of 15 directional calls Went positive at some point 13 of 15 best @ T+60▲ +51.32%Apr 27, 2026
Filters
Rows
Reports for HOWL — sortable, filterable
TypeNow
Oct 26, 2026
today
S-4/A
BEARISH ★ 5/10
$0.9806awaiting T+5—$0.9702 (+1.06%)
Sep 22, 2026
4w ago
S-4
BEARISH ★ 7/10
$0.9894 $0.9223▲ +6.78%▲ +6.11%$0.9702 (+1.94%)
Sep 21, 2026
5w ago
SC 13G
NEUTRAL ★ 3/10
$0.9800 $0.9300▼ −5.10%▼ −4.08%$0.9702 (−1.00%)
Aug 21, 2026
9w ago
425
BULLISH ★ 7/10
$0.8740 $0.9433▲ +7.93%▲ +7.46%$0.9702 (+11.01%)
Aug 21, 2026
9w ago
8-K
BULLISH ★ 7/10
$0.8740 $0.9433▲ +7.93%▲ +7.46%$0.9702 (+11.01%)
Aug 21, 2026
9w ago
Press Release
BEARISH ★ 7/10
$0.8740 $0.9433▼ −7.93%▼ −7.46%$0.9702 (−11.01%)
Jul 31, 2026
12w ago
8-K
MIXED ★ 5/10
$0.3531 $0.3971▲ +12.46%▲ +8.95%$0.9702 (+174.77%)
Jul 31, 2026
12w ago
Press Release
MIXED ★ 5/10
$0.3531 $0.3971▲ +12.46%▲ +8.95%$0.9702 (+174.77%)
Jun 29, 2026
17w ago
144
BEARISH ★ 6/10
$0.3599 $0.3200▲ +11.09%▲ +11.69%$0.9702 (−169.57%)
Jun 29, 2026
17w ago
144
BEARISH ★ 6/10
$0.3599 $0.3200▲ +11.09%▲ +11.69%$0.9702 (−169.57%)
Showing 10 of 25

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Report published Sep 21, 2026