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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (16 ops.)
Latest filing published 30 Jul 2026 for Karyopharm Therapeutics Inc., €1,179.
Filing timeline
BuySaleStuart Poulton
Insider track record
Disclosed buys
0
Disclosed sells
16
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Stuart Poulton: trading record in brief
Stuart Poulton (senior executive) discloses dealings in Karyopharm Therapeutics Inc. to SEC (Form 4). Between 15 February 2023 and 28 July 2026, the trades on record add up to 25 filings.
Sales make up the whole of the open-market record (16 sales, €129k). The rest of the record consists of 9 share grants. Since January 2026: no purchases and 3 sales on the market.
Most recently, on 30 July 2026, the filings show an open-market sale worth €1,179 in Karyopharm Therapeutics Inc. Typically, a trade is published a median of 2 days after it takes place. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Stuart Poulton
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations19 total
189 shares@ US$7.100.0030% mcap1.0% of flowCommon StockSEC:0001193125-26-326290:0
896 shares0Common StockSEC:0001193125-26-226697:0
5,101 shares@ US$9.409534.6% of flowCommon StockSEC:0001942597-26-000003:0
378 shares@ US$8.632.3% of flowCommon StockSEC:0001193125-26-059332:0
32,415 shares0Common StockSEC:0001193125-26-035655:0
39,682 shares0Common StockSEC:0001193125-25-241484:0
888 shares0Common StockSEC:0001193125-25-205046:0
191 shares@ US$4.371.0% of flowCommon StockSEC:0000950170-25-100373:0
3,548 shares@ US$6.2928.9% of flowCommon StockSEC:0000950170-25-034723:0
5,000 shares0Common StockSEC:0000950170-25-032309:0
5,914 shares@ US$0.634.8% of flowCommon StockSEC:0000950170-25-023192:0
2,883 shares@ US$1.063.8% of flowCommon StockSEC:0000950170-24-088589:0
16,311 shares@ US$1.1723.9% of flowCommonSEC:0000950170-24-025192:0
188,205 shares0Common StockSEC:0000950170-24-023293:0
5,748 shares@ US$1.339.7% of flowCommon StockSEC:0000950170-24-017237:0
13,333 shares0Common StockSEC:0000950170-24-007610:0
2,845 shares@ US$1.706.0% of flowCommon StockSEC:0001209191-23-044040:0
95,000 shares0Common StockSEC:0001209191-23-014872:0
5,665 shares@ US$3.1922.9% of flowCommon StockSEC:0001209191-23-010509:0
19 of 19 declarations
