SPTX

Seaport Therapeutics, Inc.

Nasdaq · CIK 0002042347
$18.00 +1.58% $963.5M
High Impact Filing (7/10)
Vol
Market Cap$963.5M
Cap SizeSmall Cap
Insider Activity1B / 0S
Insider Net $$19.8M
SEC Reports9
Exchange Nasdaq·CIK 0002042347·Prev Close $17.72

Recent Activity

Jun 8, 2026 SEC
Seaport Therapeutics reported Q1 2026 earnings with a net loss of $25.4M ($10.34/share), widening from $13.1M ($5.65/sha
8-K — Impact 4/10
May 7, 2026 SEC
General Atlantic entities filed Form 3 initial beneficial ownership disclosures for Seaport Therapeutics (SPTX), reporti
3 — Impact 3/10
May 4, 2026 Insider
Loebel Antony acquired 20,109 shares
Chief Medical Officer
May 4, 2026 Insider
Loebel Antony disposed of 63,157 shares
Chief Medical Officer
May 4, 2026 Insider
ARCH Venture Partners XII, LLC acquired 2,513,686 shares
10%+ Owner
May 4, 2026 short_interest
FTD: SPTX — 29,083 shares ($0.6M) failed to deliver
Settlement: 20260504, Price: $19.84, FTD Value: $577,006.72, SEAPORT THERAPEUTICS INC COM
May 1, 2026 SEC
Seaport Therapeutics completed its initial public offering of 14,160,000 shares at $18.00 per share, raising $254.9 mill
424B4 — Impact 7/10

Price Targets

$35.00 +94.4% upside Strong Buy
Current $18.00 Low $30.00 Median $35.00 High $40.00 4 analysts
$30.00 $40.00

Analyst Ratings

Recent Analyst Actions
DateFirmActionRating
May 26, 2026 Citigroup INITIATE Buy
May 26, 2026 Leerink Partners INITIATE Outperform
May 26, 2026 JP Morgan INITIATE Overweight
May 26, 2026 Stifel INITIATE Buy

Earnings Estimates

PeriodEPS Est.RangeGrowth#
Current Q $-0.60 $-0.66 — $-0.56 3
Next Q $-0.58 $-0.62 — $-0.55 3
Current FY $-6.50 $-12.07 — $-2.96 3
Next FY $-2.46 $-3.01 — $-1.71 62% YoY 3

Recent Insider Trades

DateInsiderTypeValue
May 4, 2026Loebel AntonyC$0.00
May 4, 2026Loebel AntonyC$0.00
May 4, 2026ARCH VentureC$0.00
May 4, 2026ARCH VentureC$0.00
May 4, 2026ARCH VentureBUY$19.8M

No institutional holding data available yet. Data is sourced from 13F filings which are filed quarterly.

14 unique insiders with 34 transactions. Net insider value: $19.8M ($19.8M bought, $0.00 sold).

Insider Transactions

DateInsiderTitleTypeSharesPriceValue
May 4, 2026Loebel AntonyChief Medical OfficerCONVERT20,109
May 4, 2026Loebel AntonyChief Medical OfficerCONVERT63,157
May 4, 2026ARCH Venture Partners XII, LLC10%+ OwnerCONVERT2,513,686
May 4, 2026ARCH Venture Partners XII, LLC10%+ OwnerCONVERT2,513,686
May 4, 2026ARCH Venture Partners XII, LLC10%+ OwnerBUY1,100,000$18.00$19.8M
May 4, 2026ARCH Venture Partners XII, LLC10%+ OwnerCONVERT2,681,265
May 4, 2026PAUL STEVEN MDirectorCONVERT67,031
May 4, 2026PAUL STEVEN MDirectorCONVERT210,526
May 4, 2026Torres DeniceDirectorCONVERT42,105
May 4, 2026Torres DeniceDirectorCONVERT13,406
May 4, 2026Chen Michael CunyuanChief Scientific OfficerCONVERT10,526
May 4, 2026Gladstein LanaGeneral CounselCONVERT33,515
May 4, 2026Chen Michael CunyuanChief Scientific OfficerCONVERT3,351
May 4, 2026Gladstein LanaGeneral CounselCONVERT105,263
May 4, 2026White LaurenChief Financial OfficerCONVERT6,702
May 4, 2026White LaurenChief Financial OfficerCONVERT21,052
May 4, 2026HEALY JAMESDirectorCONVERT1,927,159
May 4, 2026HEALY JAMESDirectorCONVERT6,052,631
May 4, 2026HEALY JAMESDirectorCONVERT2,526,315
May 4, 2026PureTech Health plc10%+ OwnerCONVERT12,736,014
May 4, 2026PureTech Health plc10%+ OwnerCONVERT40,000,000
May 4, 2026PureTech Health plc10%+ OwnerCONVERT8,421,052
May 4, 2026PureTech Health plc10%+ OwnerCONVERT3,031,578
Apr 30, 2026Mates SharonDirectorAWARD49,033
Apr 30, 2026Loebel AntonyChief Medical OfficerAWARD63,680
Apr 30, 2026HOMBACH ROBERT J.DirectorAWARD12,258
Apr 30, 2026PAUL STEVEN MDirectorAWARD12,258
Apr 30, 2026Torres DeniceDirectorAWARD12,258
Apr 30, 2026Gladstein LanaGeneral CounselAWARD63,680
Apr 30, 2026Chen Michael CunyuanChief Scientific OfficerAWARD63,680
Apr 30, 2026PETERSON SANDRA EDirectorAWARD12,258
Apr 30, 2026Wheadon David E.DirectorAWARD12,258
Apr 30, 2026White LaurenChief Financial OfficerAWARD63,680
Apr 30, 2026Zohar DaphneChief Executive OfficerAWARD271,813

No press releases analyzed yet. Press releases are collected from GlobeNewsWire and analyzed by the LLM pipeline.

Analyst Price Targets

$35.00 mean target +94.4% upside Strong Buy (1.25)
$30.00 Low $40.00 High
MetricValue
Current Price$18.00
Target Low$30.00
Target Mean$35.00
Target Median$35.00
Target High$40.00
# Analysts4
RecommendationStrong Buy (1.25)

Earnings Estimates & Revisions

PeriodEPS AvgEPS LowEPS HighEPS Growth30d Rev.Up/DownRev. AvgRev. GrowthAnalysts
Current Q
2026-06-30
$-0.60 $-0.66 $-0.56 $0.0B 3
Next Q
2026-09-30
$-0.58 $-0.62 $-0.55 $0.0B 3
Current FY
2026-12-31
$-6.50 $-12.07 $-2.96 $0.0B 3
Next FY
2027-12-31
$-2.46 $-3.01 $-1.71 62.1% $0.0B 0.0% 3

Current Quarter EPS Revision History

TimepointEPS EstimateChange
Current$-3.883
7d ago$0.000-3.883
30d ago$0.000-3.883
60d ago$0.000-3.883
90d ago$0.000-3.883
4 analyst firms have rated this stock: 0 upgrades, 0 downgrades, 4 initiations.

Individual Analyst Actions

DateAnalyst FirmActionPrevious RatingNew Rating
May 26, 2026 Citigroup INITIATE Buy
May 26, 2026 Leerink Partners INITIATE Outperform
May 26, 2026 JP Morgan INITIATE Overweight
May 26, 2026 Stifel INITIATE Buy

No congressional trading data available for this ticker. Data is sourced from Senate and House financial disclosure filings.

No Reddit sentiment data available yet. Sentiment is analyzed from Reddit investment communities on a rolling basis.

May 4, 2026
short_interest
FTD: SPTX — 29,083 shares ($0.6M) failed to deliver
Settlement: 20260504, Price: $19.84, FTD Value: $577,006.72, SEAPORT THERAPEUTICS INC COM