FreeBioList

Catalysts / SPTX

Seaport Therapeutics (SPTX) catalysts

Upcoming FDA decisions and readouts we track for Seaport Therapeutics, each with the filing that announced it.

Listed on — Nasdaq Catalysts tracked — 4 Rows last checked — 14 Sep 2026

FreeBioList tracks 4 catalysts for Seaport Therapeutics (SPTX, listed on Nasdaq): 3 upcoming and 1 decided. They cover 2 programmes: GlyphAllo (Healthy volunteers (neuropsychiatric safety); Major depressive disorder) and GlyphAgo (Generalised anxiety disorder with sleep disturbance; Generalised anxiety disorder).

First on the list: the Phase 2B readout for GlyphAllo (Major depressive disorder), guided by the company to H1 2027. The furthest-out event tracked is Late 2028. By stage, the upcoming rows are 1 Phase 2A readout and 2 Phase 2B readouts.

Decided and on record:

Each outcome links to the filing or notice that reported it in the table below.

Of the 4 rows, 3 link to SEC filings (8-K or 6-K) and 1 to a company press release. 3 have been verified by a person reading the filing itself, most recently on 12 Sep 2026. 1 still needs confirming against the company's own filing. The methodology page explains each status.

Background reading: Clinical trial phases explained: Phase 1 to Phase 4.

Ticker
SPTX
Next catalyst
H1 2027
Type
Phase 2B readout
Listed options
No
Company ▾ Drug ▾ Effect / indication Next catalyst ▾ Phase / type ▾ Status ▾ Source Options
Seaport Therapeutics SPTX · Nasdaq GlyphAllo Healthy volunteers (neuropsychiatric safety) H2 2026
secondary source
Phase 1 readout Reported Press release ↗ No
Seaport Therapeutics SPTX · Nasdaq GlyphAllo Major depressive disorder H1 2027
company guidance
Phase 2B readout Verified 8-K exhibit 99.1 ↗ No
Seaport Therapeutics SPTX · Nasdaq GlyphAgo Generalised anxiety disorder with sleep disturbance Early 2028
company guidance
Phase 2A readout Verified 8-K exhibit 99.1 ↗ No
Seaport Therapeutics SPTX · Nasdaq GlyphAgo Generalised anxiety disorder Late 2028
company guidance
Phase 2B readout Verified 8-K exhibit 99.1 ↗ No

Companies working on related conditions