Latest filing published 14 Aug 2025 for IGM Biosciences, Inc..
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Julie Hambleton (board member) discloses dealings in 4 companies, chiefly SpringWorks Therapeutics, Inc., Five Prime Therapeutics Inc and IGM Biosciences, Inc. Between 18 September 2013 and 14 August 2025, the trades on record add up to 34 filings.
On the open market, the record shows 6 purchases worth €181k and 15 sales worth €2.2M. Sales outweigh purchases by €2.0M. A purchase on the market is a deliberate choice to commit personal money, which is why it draws more attention than a grant. Besides market trades, the filings include 7 share grants and 4 option exercises. In 2025 alone, the filings show no purchases and 1 sale.
In size, the median ticket on the buying side is €6,291.
The record was last updated on 14 August 2025 with a transaction in IGM Biosciences, Inc. The last purchase on record was published on 20 July 2021, which is 1,922 days ago. Typically, a trade is published a median of 2 days after it takes place. US insiders must file a Form 4 within two business days of a trade. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. 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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