3 earlier Form 4 trades (code P or S) here by this insider (1 buy, 2 sales), the last on Nov 21, 2024.
The trade is 23.3% of the 41,520 shares held after it.
No other insider bought within 30 days.
63 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF FINANCIAL OFFICER Riley Antony A bought about $254.9K of FBRX on Dec 30, 2025, the largest insider purchase at the company on our record; 63 funds added in the latest 13F quarter.
2 earlier Form 4 trades (code P or S) here by this insider (2 sales), the last on Sep 7, 2021.
The trade is 73.2% of the 30,776 shares held after it.
No other insider bought within 30 days.
63 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CHIEF FINANCIAL OFFICER Riley Antony A bought about $125.0K of FBRX on Nov 21, 2024, the largest insider purchase at the company on our record; 63 funds added in the latest 13F quarter.
Nobody has filed for crossing 5%. That is a fact, not missing data.
FBRX planned insider sales (Form 144)
No planned-sale notices
No insider has filed to sell. Watch this after a run-up.
FBRX mutual fund holders (N-PORT)
Funds ranked by the share of their own portfolio in this stock (N-PORT).
ALGER SMALL CAP GROWTH FUND
$9.8M position · as of 2026-07-31
4.8%
ALGER SMALL CAP GROWTH INSTITUTIONAL FUND
$3.6M position · as of 2026-07-31
4.4%
Lord Abbett Micro-Cap Growth Fund
$5.6M position · as of 2026-07-31
2.6%
ALGER SMALL CAP FOCUS FUND
$21.4M position · as of 2026-07-31
2.5%
Federated Hermes Kaufmann Small Cap Fund
$63.7M position · as of 2026-07-31
2.2%
Federated Hermes Kaufmann Fund
$95.9M position · as of 2026-07-31
1.9%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M ·
% is the share of the fund's own portfolio
Clinical pipeline
4 registered trials, 4 still running (ClinicalTrials.gov).
A status change is dated here weeks before the press release.
3
Phase 1
3 active
1
Phase 2
1 active
What changed recently
A Study to Evaluate the Safety and Efficacy of FB102 in Patients With Non-segmental Viti
2026-10-27 · Recruiting → Active Not Recruiting
Phase 1
Matched by sponsor name. Trials run under a subsidiary's
own name are not included.
Executive pay vs shareholder return · Dr. Paul Wagner
CEO pay, headline and as actually paid, against the company's
return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, avg
TSR
Peer TSR
2025
$7.4M
$17.8M
$2.7M
+9%
n/a
2024
$1.7M
$1.9M
$543.6K
-9%
n/a
2023
$1.5M
$1.4M
$648.3K
-18%
n/a
2022
$1.2M
$1.0M
$590.1K
-53%
n/a
Tagged by the company under SEC Item 402(v). Returns are
cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows 63 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$36.0K
four quarters, 2019-01-01 to 2019-12-31
Revenue, TTM FBRX
FY Dec 2025
$36.0K
FY Dec 2024
$36.0K
FY Dec 2023
$36.0K
FY Dec 2022
$36.0K
FY Dec 2021
$36.0K
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Single quarter
Net margin, TTM
n/a
revenue under $1M, the ratio says nothing
Net margin, TTM FBRX
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Single quarter
Free cash flow, TTM
-$72.0M
operating cash flow minus capex, 2025-07-01 to 2026-06-30
Free cash flow, TTM FBRX
FY Dec 2025
-$51.0M
FY Dec 2024
-$30.8M
FY Dec 2023
n/a
FY Dec 2022
-$8.3M
FY Dec 2021
-$16.8M
Jun 2026
-$22.7M
Mar 2026
-$18.8M
Dec 2025
-$16.5M
Sep 2025
-$14.1M
Jun 2025
-$10.1M
Mar 2025
-$10.4M
Dec 2024
-$10.0M
Sep 2024
-$8.1M
At each fiscal year end
Single quarter
Debt to equity
0.12x
long-term debt only, 2019-06-30 (85 months older than the period end); equity 2026-06-30
Debt to equity FBRX
FY Dec 2025
0.36x
FY Dec 2024
0.42x
FY Dec 2023
0.63x
FY Dec 2022
0.57x
FY Dec 2021
0.53x
Jun 2026
0.12x
Mar 2026
0.52x
Dec 2025
0.36x
Sep 2025
0.26x
Jun 2025
0.22x
Mar 2025
0.57x
Dec 2024
0.42x
Sep 2024
2.36x
At each fiscal year end
Trailing four quarters at each quarter end
Cash flow to debt
-3.26x
TTM operating cash flow over long-term debt only, 2019-06-30 (85 months older than the period end)
Cash flow to debt FBRX
FY Dec 2025
-2.30x
FY Dec 2024
-1.39x
FY Dec 2023
-1.30x
FY Dec 2022
-0.37x
FY Dec 2021
-0.76x
Jun 2026
-3.26x
Mar 2026
-2.69x
Dec 2025
-2.30x
Sep 2025
-2.01x
Jun 2025
-1.75x
Mar 2025
-1.56x
Dec 2024
-1.39x
Sep 2024
-1.35x
At each fiscal year end
Trailing four quarters at each quarter end
Return on equity
-62.3%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on equity FBRX
FY Dec 2025
-122.3%
FY Dec 2024
-80.8%
FY Dec 2023
-84.9%
FY Dec 2022
-34.5%
FY Dec 2021
-43.2%
Jun 2026
-62.3%
Mar 2026
-188.4%
Dec 2025
-122.3%
Sep 2025
-110.7%
Jun 2025
-73.5%
Mar 2025
-130.3%
Dec 2024
-80.8%
Sep 2024
-137.4%
At each fiscal year end
Trailing four quarters at each quarter end
Return on assets
-56.1%
TTM net income over average of 2025-06-30 and 2026-06-30
Return on assets FBRX
FY Dec 2025
-96.1%
FY Dec 2024
-70.6%
FY Dec 2023
-77.7%
FY Dec 2022
-32.5%
FY Dec 2021
-41.5%
Jun 2026
-56.1%
Mar 2026
-132.3%
Dec 2025
-96.1%
Sep 2025
-90.0%
Jun 2025
-63.4%
Mar 2025
-110.0%
Dec 2024
-70.6%
Sep 2024
-103.9%
At each fiscal year end
Trailing four quarters at each quarter end
Return on invested capital
n/a
tax provision or pre-tax income not filed for the four quarters
Return on invested capital FBRX
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Return on capital employed
-63.4%
operating income (EBIT proxy) over average of 2025-06-30 and 2026-06-30 minus current liabilities
Return on capital employed FBRX
FY Dec 2025
-123.4%
FY Dec 2024
-83.4%
FY Dec 2023
-87.6%
FY Dec 2022
-34.6%
FY Dec 2021
-42.7%
Jun 2026
-63.4%
Mar 2026
-187.7%
Dec 2025
-123.4%
Sep 2025
-114.3%
Jun 2025
-75.6%
Mar 2025
-133.9%
Dec 2024
-83.4%
Sep 2024
-143.2%
At each fiscal year end
Trailing four quarters at each quarter end
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
P/E, trailing FBRX
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Enterprise value
$1.6B
market value at close 2026-08-28 on 2026-08-07 shares, plus long-term debt only, 2019-06-30 (85 months older than the period end), minus cash 2026-06-30
Enterprise value FBRX
FY Dec 2025
$286.7M
FY Dec 2024
$33.0M
FY Dec 2023
$731.6M
FY Dec 2022
$506.0M
FY Dec 2021
$769.4M
Jun 2026
$267.5M
Mar 2026
$323.5M
Dec 2025
$286.7M
Sep 2025
$115.2M
Jun 2025
$1.0M
Mar 2025
$27.3M
Dec 2024
$33.0M
Sep 2024
$209.8M
At each fiscal year end
Trailing four quarters at each quarter end
FCF yield
-4.4%
TTM free cash flow over market value at close 2026-08-28
FCF yield FBRX
FY Dec 2025
-14.9%
FY Dec 2024
-92.7%
FY Dec 2023
n/a
FY Dec 2022
-1.6%
FY Dec 2021
-2.1%
Jun 2026
-24.4%
Mar 2026
-16.5%
Dec 2025
-14.9%
Sep 2025
-23.9%
Jun 2025
-45.4%
Mar 2025
-67.6%
Dec 2024
-92.7%
Sep 2024
-14.6%
At each fiscal year end
Trailing four quarters at each quarter end
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
PEG, trailing FBRX
FY Dec 2025
n/a
FY Dec 2024
n/a
FY Dec 2023
n/a
FY Dec 2022
n/a
FY Dec 2021
n/a
Jun 2026
n/a
Mar 2026
n/a
Dec 2025
n/a
Sep 2025
n/a
Jun 2025
n/a
Mar 2025
n/a
Dec 2024
n/a
Sep 2024
n/a
At each fiscal year end
Trailing four quarters at each quarter end
Price as of 2026-08-28. Hover or tap a tile for its yearly and quarterly history.Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
FBRX ranks highest on risk and compliance (71st percentile) and institutional and government (52nd), and lowest on growth (8th), among Pharma & Biotech peers.
Profitability
42
Inputs
Return on equity-62.3% · 46 pct, sector of 545
Return on assets-56.1% · 41 pct, sector of 691
Return on invested capitaltax provision or pre-tax income not filed for the four quarters
Return on capital employed-63.4% · 40 pct, sector of 576
Financial health
44
Inputs
Debt to equity0.12x · 52 pct, sector of 352
Cash flow to debt-3.26x · 36 pct, sector of 371
Growth
8
Inputs
Revenue growth, YoY-99.8% · 8 pct, sector of 505
Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Institutional and government
52
Inputs
Funds adding, latest quarter63 · 52 pct, sector of 698
Congress net buyers, 365dno Congress trades in 365 days
Federal contracts, 180dno federal contracts in 180 days
Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
71
Inputs
Short interest, % of floatno short interest or no free float on file
Recalls per $1B revenue, 3yrevenue under $50M or not filed, so a count cannot be scaled to size
EPA cases per $1B revenue, 5yrevenue under $50M or not filed, so a count cannot be scaled to size
New text in Risk Factors, latest 10-K+7.0% · 71 pct, sector of 511
2 not measured: Insider conviction, US patents
Insider conviction needs 1 of 2 inputs, 0 present: no Form 4 purchase or sale (code P or S) in 180 days; no insider trades in 180 days
US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet
5 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored
Explore insider trading and ownership data
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