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3 ·Filed Apr 30, 2026

SPTX

Seaport Therapeutics, Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed5mo ago SEC0001193125-26-198514
Form 3 — initial insider ownership statement
Actionable Insight • Neutral

No trading signal. Monitor for future Form 4 filings by this insider for potential buying or selling activity.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d ⚠ clustered
SPTX ▲ +0.30% at T+60d
NEUTRAL call +0.30% · α vs SPY -2.77% · entry $19.84 → $19.90
Entry = T+0 close
Apr 30, 2026
via day close
T+1d
-14.31%
call -14.31% · α -13.97%
$17.00
settled 6mo ago
T+5d
-19.10%
call -19.10% · α -21.45%
$16.05
settled 6mo ago
T+20d
-13.66%
call -13.66% · α -18.94%
$17.13
settled 5mo ago
T+60d
+0.30%
call +0.30% · α -2.77%
$19.90
settled 3mo ago

Price Chart

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Executive Summary

Jason Pitts, Ph.D., filed a Form 3 initial statement of beneficial ownership upon becoming a director of Seaport Therapeutics, Inc. (SPTX). The filing includes a power of attorney authorizing designees to execute future Section 16 filings. This is a routine administrative filing with no material financial information or trading activity.

Key Facts

  • Jason Pitts, Ph.D., appointed as a director of Seaport Therapeutics, Inc.
  • Form 3 filed on April 30, 2026, for the period ending April 30, 2026.
  • Power of Attorney granted to Lana Gladstein and Lauren White for Section 16 filings.
  • No beneficial ownership amounts or securities transactions disclosed in the filing.

Financial Impact

No financial impact — administrative director appointment filing.

Risk Factors

  • No material risks identified from this filing.

Investment Themes

Documents Analyzed

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

DocumentAccession Number
3 Filing (Primary)0001193125-26-198514
Document: 0001193125-26-198514-index-headers.html0001193125-26-198514
Document: 0001193125-26-198514-index.html0001193125-26-198514
Document: 0001193125-26-198514.txt0001193125-26-198514
10 reports for SPTX
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for SPTX — sortable, filterable
TypeNow
Aug 3, 2026
12w ago
8-K
NEUTRAL ★ 5/10
$20.65awaiting T+60—$21.55 (+4.36%)
Jun 8, 2026
20w ago
8-K
NEUTRAL ★ 4/10
$16.20 $23.61▲ +45.74%▲ +42.69%$21.55 (+33.02%)
May 6, 2026
24w ago
3
NEUTRAL ★ 3/10
$15.50 $20.65▲ +33.23%▲ +29.39%$21.55 (+39.03%)
May 1, 2026
25w ago
424B4
BULLISH ★ 7/10
$17.00 $19.74▲ +16.12%▲ +14.26%$21.55 (+26.76%)
Apr 30, 2026
25w ago
3
NEUTRAL ★ 2/10
$19.84 $19.90▲ +0.30%▼ −2.77%$21.55 (+8.62%)
Apr 30, 2026
25w ago
3
NEUTRAL ★ 2/10
$19.84 $19.90▲ +0.30%▼ −2.77%$21.55 (+8.62%)
Apr 30, 2026
25w ago
3
NEUTRAL ★ 2/10
$19.84 $19.90▲ +0.30%▼ −2.77%$21.55 (+8.62%)
Apr 30, 2026
25w ago
3
NEUTRAL ★ 2/10
$19.84 $19.90▲ +0.30%▼ −2.77%$21.55 (+8.62%)
Apr 30, 2026
25w ago
3
NEUTRAL ★ 2/10
$19.84 $19.90▲ +0.30%▼ −2.77%$21.55 (+8.62%)
Apr 27, 2026
26w ago
S-1/A
BULLISH ★ 8/10
—awaiting T+60——
Showing 10 of 10

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Report published Apr 30, 2026