SPTX
Seaport Therapeutics, Inc.Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
- R May 1 Seaport Therapeutics completed its initial public offering of 14,160…
- B May 4 1 insider buy $19.8M at $18.00
- A May 26 4 analysts initiate
- B Jun 22 1 insider buy $235.8K at $18.14
- I Jun 30 9 funds open new positions (13F)
- X Jul 31 Short interest jumps 39.3% to 2.76M
- A Sep 25 Raymond James initiates
- A Oct 14 Canaccord Genuity initiates
Signal stack
Where each data set points today.
- InsidersBULLISH
2 insiders bought $20.0M at an average $18.00. No open-market sales. Price is 16% above their cost.
- InstitutionsBULLISH
Q2 2026: 9 added (9 new), 0 trimmed or exited. Largest new: Goldman Sachs Group $47.3M, Canada Pension Plan Investment Board $42.9M.
- AnalystsBULLISH
12 of 14 rate it Buy or better. Every target is above the price.
- EstimatesFLAT
Current-quarter EPS estimate −$0.567 → −$0.557 over 90 days. 2 up, 1 down in 30 days.
- TrendDOWNTREND
3% below its 50-day average.
Who's buying
13F· Q2 2026| Fund | Move | Value |
|---|---|---|
| GOLDMAN SACHS GROUP INC | NEW | $47.3M |
| CANADA PENSION PLAN INVESTMENT BOARD | NEW | $42.9M |
| JPMORGAN CHASE & CO | NEW | $40.9M |
| PRICE T ROWE ASSOCIATES INC /MD/ | NEW | $28.4M |
| FMR LLC | NEW | $25.7M |
| JENNISON ASSOCIATES LLC | NEW | $23.5M |
| RA CAPITAL MANAGEMENT, L.P. | NEW | $15.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | NEW | $13.0M |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
14 analystsPrice is below the lowest target. Median implies +68%.Targets as of Oct 27, 2026.
| Date | Firm | Rating |
|---|---|---|
| Oct 14, 2026 | Canaccord Genuity INITIATE | Buy |
| Oct 8, 2026 | HC Wainwright & Co. REITERATE | Buy |
| Sep 25, 2026 | Raymond James INITIATE | Strong Buy |
| Sep 10, 2026 | HC Wainwright & Co. REITERATE | Buy |
| Aug 26, 2026 | Jones Trading INITIATE | Buy |
| Aug 20, 2026 | HC Wainwright & Co. REITERATE | Buy |
Insider ledger
Form 4| Date | Insider | Type | Value |
|---|---|---|---|
| Jun 22, 2026 | HOMBACH ROBERT J. Director | BUY | $235.8K |
| May 4, 2026 | Loebel Antony Chief Medical Officer | CONVERT | 20,109 sh |
| May 4, 2026 | Loebel Antony Chief Medical Officer | CONVERT | 63,157 sh |
| May 4, 2026 | ARCH Venture Partners XII, LLC 10%+ Owner | CONVERT | 2,513,686 sh |
| May 4, 2026 | ARCH Venture Partners XII, LLC 10%+ Owner | CONVERT | 2,513,686 sh |
| May 4, 2026 | ARCH Venture Partners XII, LLC 10%+ Owner | BUY | $19.8M |
| May 4, 2026 | ARCH Venture Partners XII, LLC 10%+ Owner | CONVERT | 2,681,265 sh |
| May 4, 2026 | PAUL STEVEN M Director | CONVERT | 67,031 sh |
Earnings setup
Estimates| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | -$0.56 | -$0.63–-$0.50 | +1.7% | $0.00 |
| Next Q | -$0.60 | -$0.77–-$0.47 | +1.5% | $0.00 |
| Current FY | -$5.59 | -$13.10–-$3.76 | +5.2% | $0.00 |
| Next FY | -$2.52 | -$2.99–-$1.98 | +2.0% | $0.00 |
Short side
FINRA· Oct 15, 2026SecBot reports
10 filings · 2 bullish · 0 bearish · 8 neutral- NEUTRAL 8-KAug 3, 2026
Seaport Therapeutics reported Q2 2026 results: net loss of $62.6M ($1.78/share) versus consensus…
Earnings miss is non-fundamental (IPO stock comp) and pipeline remains on schedule. Key near-term catalyst is the GlyphAllo driving simulation trial data in 2H 2026. The strong cash position removes…
- NEUTRAL 8-KJun 8, 2026
Seaport Therapeutics reported Q1 2026 earnings with a net loss of $25.4M ($10.34/share), widening…
The primary catalyst timeline is the GlyphAllo driving simulation trial data in 2H 2026, which could de-risk the Phase 2b BUOY-1 readout in 1H 2027. The post-quarter $260M IPO cash infusion removes…
- NEUTRAL 3May 6, 2026
General Atlantic entities filed Form 3 initial beneficial ownership disclosures for Seaport…
This is a routine Form 3 filing confirming General Atlantic's pre-IPO stake. No immediate trading action is warranted. Monitor for any subsequent Form 4 filings that would indicate insider buying or…
- BULLISH 424B4May 1, 2026
Seaport Therapeutics completed its initial public offering of 14,160,000 shares at $18.00 per…
Monitor first-day trading for signs of demand and near-term catalysts: Phase 2b BUOY-1 topline data for GlyphAllo expected in H1 2027, and Phase 2a/2b data for GlyphAgo in 2028. The strong IPO…
All SPTX filing & press-release reports (10)
- 8-K reportAug 3, 2026
- 8-K reportJun 8, 2026
- 3 reportMay 6, 2026
- 424B4 reportMay 1, 2026
- 3 reportApr 30, 2026
- 3 reportApr 30, 2026
- 3 reportApr 30, 2026
- 3 reportApr 30, 2026
- 3 reportApr 30, 2026
- S-1/A reportApr 27, 2026