Latest filingAug 27, 2026Most recent Form 4
FBRX
Forte Biosciences, Inc.
NasdaqHealthcarePharmaceutical Preparations
Insider activity for last month from 08/03 to 09/03. 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$00 sells
Net open-market+$09 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 period62transactions
- D · Issuer dispositions · dominant58 · 94%
- U · Code U4 · 6%
Activity by reported role
A joint filing can contribute to multiple roles62transactions
- Director · dominant39 · 63%
- Chief financial officer12 · 19%
- SR11 · 18%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (9)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeRiley Antony AStock Option (right to buy) · Direct
0Aug 27, 2026
Wagner Paul A.Stock Option (right to buy) · Direct
0Aug 27, 2026
Kornfeld StevenStock Option (right to buy) · Direct
0Aug 27, 2026
Doberstein Stephen KStock Option (right to buy) · Direct
0Aug 27, 2026
Finck Barbara KStock Option (right to buy) · Direct
0Aug 27, 2026
Brun Scott C.Stock Option (right to buy) · Direct
0Aug 27, 2026
Wagner Paul A.Restricted Stock Units · Direct
0Aug 27, 2026
Riley Antony ARestricted Stock Units · Direct
0Aug 27, 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 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- KS+$0
- BC+$0
- GW+$0
- VG+$0
- FK+$0
Recent filing activity
Most recent 12 transactions · color = transaction code- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- UUnknown08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
- DIssuer disposition08/27—SEC
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
FBRX 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| FBRX | Kornfeld Steven | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 800 | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | return | 1.20k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kornfeld Steven | DIR | unknown | 3.96k | — | U | — | 08/27 | 08/27 | |
| FBRX | Brun Scott C. | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | Brun Scott C. | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Brun Scott C. | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Brun Scott C. | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Brun Scott C. | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | GRYSKA DAVID W | DIR | unknown | 5.94k | — | U | — | 08/27 | 08/27 | |
| FBRX | VINCENT RICHARD G | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | VINCENT RICHARD G | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | VINCENT RICHARD G | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 7.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 166 | — | D | — | 08/27 | 08/27 | |
| FBRX | FINCK BARBARA K | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kapoor Shivpreet Singh | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kapoor Shivpreet Singh | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Kapoor Shivpreet Singh | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 18.3k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 31.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 1.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Doberstein Stephen K | DIR | return | 2.00k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 2.97k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 60.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 750 | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 22.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 90.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 323k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 14.0k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 2.99k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 1.70k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 2.99k | — | D | — | 08/27 | 08/27 | |
| FBRX | Riley Antony A | CFO | return | 421 | — | D | — | 08/27 | 08/27 |
Forte Biosciences, Inc. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at Forte Biosciences, Inc.?
Kornfeld Steven, Brun Scott C., GRYSKA DAVID W, VINCENT RICHARD G, FINCK BARBARA K, Kapoor Shivpreet Singh, Doberstein Stephen K, Riley Antony A, Wagner Paul A..
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?
No code-S sale is available for this period.
What is the recent purchase and sale balance?
No code-P purchases or code-S sales were reported in the selected period.
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.