Robert Barrow owns 1.65% of Definium Therapeutics
2,213,090 shares as of the September 25, 2026 filing, worth $71M at the latest close.
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Free.
The stake
1.65%
worth $71M at the latest close
Stake rank
#552
by dollar value of the stake
Last sale
24 days ago
Sep 25, 2026
Last buy
790 days ago
Aug 20, 2024 · $6,215
Robert Barrow owns 1.65% of Definium Therapeutics, Inc.: 2,213,090 of 134,366,950 shares, worth about $71M at the 2026-10-16 close. The stake has moved from 0.58% in 2022 to 1.65% on 2026-09-25, across 29 sales and 1 purchase that moved it since 2016. The last trade that moved it was a planned sale of $1.2M on 2026-09-25.
How the stake is held
as of the Sep 25, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Sep 25, 2026 · Form 4 ↗
HELD DIRECTLY
2,213,090
100.0%
THE STAKE
2,213,090
1.65%