Transaction · 0001240801-26-000004

FORSYTH DOUGLAS

FORSYTH DOUGLAS, DIR, reported an open-market or private purchase at Inhibrx Biosciences, Inc. involving 2500.000000 shares for an estimated $286617.25. Reported holdings after the transaction were 227064.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PDIR
INBXInhibrx Biosciences, Inc.
Filing timeSep 08
Trade dateSep 08, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$114.34
Pre-filing
1mo ago1w ago1d ago
Returns since
7d +0.0%30d +0.0%90d +0.0%180d +0.0%1y +0.0%

INBX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
INBX since 2026-09-08Filed yesterday · 1 day of post-filing data
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001240801-26-000004
Common Stock
Transaction date
Sep 08, 2026
Filed Sep 08, 2026, 08:26 PM · 0d delay
Shares
2.50k sh
$11.4k per share
Estimated value
$28.6M
Computed from shares × price
Holdings after
227k sh
Indirect · By the Forsyth Family Trust Dated July 20, 2001

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Buy Director Buy
+36score
Filing-only score

+36

Compact filing score computed from stored Form 4 facts. Version v1.

Strong filing signal

This filing has a high positive filing-only score. It may deserve closer research, but it is not an investment recommendation.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The shares were purchased in multiple transactions at prices ranging from $114.36 to $114.689 inclusive. The reported price reflects the weighted-average purchase price. The reporting person hereby un…

  2. F2

    The reporting person is a trustee of the Forsyth Family Trust Dated July 20, 2001 and, in such capacity, may be deemed to indirectly beneficially own the securities owned by the Forsyth Family Trust D…

Original filing · 0001240801-26-000004
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Same reporting owner
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