Home β€Ί Stock analysis β€Ί KPTI

Karyopharm Therapeutics (KPTI) Latest Stock Analysis Report – Oct 15, 2026, 4:00 PM ET

Updated Oct 15, 2026, 4:00 PM ET

What changed since yesterday

KPTI jumps 11.4% to $0.35. Closed at $0.35, +11.43% vs the prior close of $0.31. Day range $0.31–$0.35, opened at $0.31.

Last close$0.35+11.43%
Day range0.31–0.35
Open0.31
Volume1.33M
52-week range0.31–10.99
Avg volume (20d)1.42M

KPTI daily analysis β€” what happened

A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.

Oct 15, 2026 β€” KPTI jumps 11.4% to $0.35
Oct 14, 2026 β€” KPTI slides 26.2% to $0.31, a 52-week low, 3 down days in a row
Oct 13, 2026 β€” KPTI slides 15.4% to $0.43, a 52-week low
Oct 12, 2026 β€” KPTI slides 16.5% to $0.50, a 52-week low
Oct 9, 2026 β€” KPTI rises 0.8% to $0.61
Oct 8, 2026 β€” KPTI slides 7.0% to $0.60, a 52-week low, 6 down days in a row
Oct 7, 2026 β€” KPTI dips 0.8% to $0.64, a 52-week low, 5 down days in a row
Oct 6, 2026 β€” KPTI slides 3.1% to $0.65, a 52-week low, 4 down days in a row
Oct 5, 2026 β€” KPTI slides 16.3% to $0.67, a 52-week low, 3 down days in a row
Oct 2, 2026 β€” KPTI slides 7.5% to $0.80, a 52-week low

KPTI latest news & SEC filings

Every SEC filing by or about KPTI in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.

Oct 14, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-421025

Oct 8, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001636587-26-000086

Oct 2, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001193125-26-412209

Sep 25, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001636587-26-000084

Sep 25, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001636587-26-000083

Sep 18, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-395517

Sep 11, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-388621

Sep 4, 2026 Β· Form SCHEDULE 13G β€” Passive stake (13G)

Passive stake (13G) β€” an investor reported owning more than 5%

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001104659-26-105556

Sep 2, 2026 Β· Form 4 β€” Insider trade

Insider trade report (Form 4) β€” a director, officer or 10%+ owner changed their holdings

Open-market purchases (P) and sales (S) are shown in colour; awards, exercises and tax withholding are routine pay-related moves. Many sales are pre-planned under 10b5-1 plans.

Source: SEC EDGAR filing 0001193125-26-380404

Aug 31, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

Source: SEC EDGAR filing 0001193125-26-375495

Aug 14, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001231919-26-000925

Aug 14, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0001831942-26-000037

Aug 13, 2026 Β· Form 10-Q β€” Quarterly report

Quarterly report (unaudited financial statements for the quarter)

Quarter ended Jun 30, 2026:

Source: SEC EDGAR filing 0001193125-26-347906

Aug 13, 2026 Β· Form 8-K β€” Major event / current report

Current report β€” a filing companies must make within 4 business days of a major event

This is a results-day filing: the earnings press release is attached as an exhibit.

Source: SEC EDGAR filing 0001193125-26-347897

Aug 12, 2026 Β· Form SCHEDULE 13G/A β€” Update to a passive 5%+ stake (13G)

Update to a passive 5%+ stake (13G)

Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.

Source: SEC EDGAR filing 0000919574-26-004964

Things to know before you trade KPTI

KPTI market data (last 20 sessions)

DateOpenHighLowCloseVolume
Oct 15, 20260.310.350.310.351.33M
Oct 14, 20260.430.430.310.312.08M
Oct 13, 20260.490.500.400.431.75M
Oct 12, 20260.590.610.500.50895.10K
Oct 9, 20260.600.620.560.61963.00K
Oct 8, 20260.630.640.600.60870.20K
Oct 7, 20260.650.690.620.64758.70K
Oct 6, 20260.690.710.630.651.18M
Oct 5, 20260.800.800.630.671.98M
Oct 2, 20260.860.890.750.802.34M
Oct 1, 20261.191.200.850.872.66M
Sep 30, 20261.261.271.181.221.75M
Sep 29, 20261.621.621.201.211.86M
Sep 28, 20261.591.661.541.62326.50K
Sep 25, 20261.731.771.571.621.47M
Sep 24, 20261.731.771.711.73677.30K
Sep 23, 20261.811.841.661.75957.50K
Sep 22, 20261.871.921.781.82986.80K
Sep 21, 20261.851.931.781.861.62M
Sep 18, 20261.771.881.671.881.90M

About Karyopharm Therapeutics

Karyopharm Therapeutics (KPTI) is listed on the Nasdaq and classified by the SEC under β€œPharmaceutical Preparations”. Its business address is in NEWTON, MA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1503802.

KPTI board of directors & executives

From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).

Directors

NameRoleLatest filing
Garen G BohlinDirectorMay 26, 2026
Barry E GreeneDirectorMay 26, 2026
Christy J. OligerDirectorMay 26, 2026
Deepika PakianathanDirectorMay 26, 2026
Richard A. PaulsonPresident and CEOMay 15, 2026
Chen SchorDirectorMay 26, 2026
Zhen SuDirectorMay 26, 2026

Executive officers

NameTitleLatest filing
Kristin AbateChief Accounting OfficerSep 2, 2026
Sohanya Roshan ChengEVP & Chief Commercial OfficerMay 15, 2026
Lori MacomberEVP, CFO & TreasurerFeb 4, 2026
Michael ManoEVP, CLO&SecretaryMay 15, 2026
Richard A. PaulsonPresident and CEOMay 15, 2026
Stuart PoultonEVP, Chief Development OfficerJul 30, 2026
Reshma RangwalaEVP & Chief Medical OfficerMay 15, 2026

Recent insider buys & sales

DateInsiderTypeSharesPrice
Sep 1, 2026Kristin AbateSale19$2.02
Jul 28, 2026Stuart PoultonSale189$7.10
May 14, 2026Sohanya Roshan ChengSale324$9.50
May 14, 2026Reshma RangwalaSale408$9.50
May 14, 2026Richard A. PaulsonSale2,203$9.50
May 14, 2026Michael ManoSale266$9.50
May 14, 2026Kristin AbateSale53$9.50
May 14, 2026Stuart PoultonSale403$9.50
Apr 21, 2026Reshma RangwalaSale449$8.94
Mar 2, 2026Reshma RangwalaSale5,066$9.41
Mar 2, 2026Sohanya Roshan ChengSale4,604$9.41
Mar 2, 2026Richard A. PaulsonSale12,361$9.41
Mar 2, 2026Michael ManoSale3,526$9.41
Mar 2, 2026Kristin AbateSale559$9.41
Mar 2, 2026Stuart PoultonSale5,101$9.41

KPTI financials (annual, from XBRL filings)

Fiscal year endRevenueNet incomeDiluted EPSOperating cash flow
Dec 31, 2025$146.07M$-196.04M-17.93$-75.37M
Dec 31, 2024$145.24M$-76.42M-14.00$-127.49M
Dec 31, 2023$146.03M$-143.10M-18.79$-92.72M
Dec 31, 2022$157.07M$-165.29M-2.02$-149.55M
Dec 31, 2021$209.82M$-124.09M-1.65$-107.12M

Latest balance sheet: total assets $111.32M, total liabilities $441.49M, cash $54.98M (as of Jun 30, 2026).

KPTI earnings / results-day log

DateFilingClose that day
Aug 13, 20268-K Item 2.02 (results)$1.99
May 14, 20268-K Item 2.02 (results)$8.90
Feb 12, 20268-K Item 2.02 (results)$8.94
Jan 12, 20268-K Item 2.02 (results)$8.19
Nov 3, 20258-K Item 2.02 (results)$6.07
Oct 8, 20258-K Item 2.02 (results)$5.90
Aug 11, 20258-K Item 2.02 (results)$3.77
May 12, 20258-K Item 2.02 (results)$6.15
Feb 19, 20258-K Item 2.02 (results)$9.00
Jan 13, 20258-K Item 2.02 (results)$10.10
Nov 5, 20248-K Item 2.02 (results)$12.69
Aug 6, 20248-K Item 2.02 (results)β€”

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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 15, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.