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Richard Alistair Stewart

Président Exécutif
Insider activity · 24 months1 buy1 saleCumulative net flow
Total declarations
19
Company
1
▲ Purchases (3 ops.)
€125k
▼ Sales (2 ops.)
€472k

Latest filing published 21 Aug 2026 for Achieve Life Sciences, INC., €151k.

Filing timeline

BuySale
Richard Alistair Stewart

Insider track record

Disclosed buys
3
Disclosed sells
2
T+90 hit rate
100%
T+90 mean return
+8.7%

Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.

Signal history

Richard Alistair Stewart: trading record in brief

All filings by Richard Alistair Stewart on record concern Achieve Life Sciences, Inc., in the capacity of chief executive. In total, 19 filings cover trades dated from 1 August 2017 to 19 August 2026.

On the open market, the record shows 3 purchases worth €125k and 2 sales worth €472k. Netting one side against the other leaves €347k of net selling. Unlike grants, an open-market purchase is paid for by the insider, at the market price. Other entries cover 9 share grants and 5 option exercises. So far in 2026, the count stands at no purchases and 1 sale.

Half of the purchases are above €42k and half below. Of 3 purchases, 2 formed part of a group of insiders buying within 30 days of each other. When several insiders buy within a few weeks of each other, analysts speak of a cluster purchase.

Most recently, on 21 August 2026, the filings show an open-market sale worth €151k in Achieve Life Sciences, Inc. The last insider purchase was made public on 19 March 2025, 600 days ago. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 3 days. Section 16 rules allow two business days to file each Form 4. 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 Richard Alistair Stewart

Open company profiles for insider transactions, fundamentals and analyst consensus when available.

Declarations9 total

9 of 9 declarations