Latest filingSep 05, 2026Most recent Form 4
DFTX
Definium Therapeutics, Inc.
Insider activity for last month from 08/05 to 09/05. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$72.1M1 sells
Net open-market-$72.1M1 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period2transactions
- A · Grants / awards · dominant1 · 50%
- S · Open-market sells1 · 50%
Activity by reported role
A joint filing can contribute to multiple roles2transactions
- Chief executive officer · dominant2 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (1)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeBarrow RobertCommon Shares · Direct
1,494,640Sep 03, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 05 → Sep 05
LessMore
Top insiders
By absolute net value across the selected period- BR-$721.7k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
DFTX transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| DFTX | Barrow Robert | CEO | sale10b5-1 | 19.0k | -$72.1M | S | — | 0.0% | 09/05 | 09/03 |
| DFTX | Barrow Robert | CEO | grant10b5-1 | 40.0k | $0 | A | — | 0.0% | 09/05 | 09/02 |
Definium Therapeutics, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Definium Therapeutics, Inc.?
Barrow Robert.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Barrow Robert reported a sale on Sep 03, 2026 valued at $72.1M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $721,732.62. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.