Transaction · 0001480111-26-000003

Doberstein Stephen K

Doberstein Stephen K, DIR, reported a transaction classified as return at Forte Biosciences, Inc. involving 18353.000000 shares. Reported holdings after the transaction were 0.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

returnSEC transaction code DDIR
FBRXForte Biosciences, Inc.
Filing timeAug 27
Trade dateAug 27, 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
Pre-filing
Returns since

FBRX price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
FBRX since 2026-08-27Filed 7 days ago · 30 days of pre-filing context shaded
Loading…
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

Derivative
Type
return
Code D
Identifier
0001480111-26-000003
Restricted Stock Units
Transaction date
Aug 27, 2026
Filed Aug 27, 2026, 08:30 PM · 0d delay
Shares
18.3k sh
Price unknown
Estimated value
Computed from shares × price
Holdings after
0 sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership
-14score
Filing-only score

-14

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

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

    Pursuant to the Agreement and Plan of Merger, dated July 26, 2026 (the "Merger Agreement"), by and among Forte Biosciences, Inc. ("Company"), argenx BV ("Parent"), and Avena Merger Sub Inc., a wholly…

  2. F2

    At the effective time of the Merger, each Company Option that is then outstanding and unexercised, whether or not vested and which has a per share exercise price that is equal to or greater than the M…

  3. F3

    Each restricted stock unit ("RSU") represents a contingent right to receive one share of Forte Biosciences, Inc. (the "Issuer") Common Stock.

  4. F4

    Pursuant to the Merger Agreement, each outstanding restricted stock unit (a "Company RSU"), whether or not vested, was canceled and converted into the right of the holder to receive (i) (subject to an…

Original filing · 0001480111-26-000003
Related transactions

0 other filings

Same reporting owner
Recent company activity

0 recent txs

FBRX