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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Latest filing published 01 Jul 2026 for Aptose Biosciences Inc.. Read the official filing
Filing timeline
BuySaleWarren Whitehead
Insider track record
Disclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Warren Whitehead: trading record in brief
Warren Whitehead (board member) discloses dealings in Aptose Biosciences Inc. to SEC (Form 4). The record holds 2 filings, for trades running from 21 June 2021 to 30 June 2026.
No open-market purchase appears, only 1 sale worth €43k.
Most recently, on 1 July 2026, the filings show a transaction in Aptose Biosciences Inc. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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Declarations2 total
33 sharesCommon SharesSEC:0000912282-26-000900:0
15,400 shares@ US$3.35100.0% of flowCommon SharesSEC:0001567619-21-012537:0
2 of 2 declarations
