Preliminary proxy statement not related to a contested matter or merger/acquisition

Pay vs Performance Disclosure

v3.26.1
Pay vs Performance Disclosure - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Pay vs Performance Disclosure      
Pay vs Performance Disclosure, Table
Pay Versus Performance
As required by Section 953(a) of the Dodd-Frank Act and Item 402(v) of Regulation
S-K,
we are providing information about the relationship between executive compensation actually paid to our PEO and the other NEOs (as calculated in accordance with Item 402(v) of Regulation
S-K).
Pay-Versus-Performance
Table
 
Year
(a)
  
Summary
Compensation
Table Total
for PEO($)
(1)

(b)
    
Compensation
Actually Paid
to PEO($)
(2)

(c)
   
Average
Summary
Compensation
Table Total
for
Non-PEO

Named
Executive
Officers($)
(3)

(d)
    
Average
Compensation
Actually Paid
to
Non-PEO

Named
Executive
Officers($)
(4)

(e)
   
Value of
Initial Fixed
$100 Investment
Based On:
    
Net
Income($)
(6)

(in millions)
(h)
 
 
Total
Shareholder
Return ($)
(5)

(f)
 
2025
   $ 1,940,573      $ 1,651,621     $ 973,267      $ 838,741     $ 23.68      $ (167.86
2024
   $ 8,096,947      $ (8,634,793   $ 3,351,843      $ (3,023,223   $ 24.54      $ (115.86
2023
   $ 4,808,279      $ 14,466,565     $ 2,220,968      $ 5,851,276     $ 245.41      $ (67.68
 
(1)
The dollar amounts reported in column (b) represent the amount of total compensation reported for Steven Nichtberger, M.D. (the “PEO”), for each corresponding covered fiscal year in the “Total” column of the Summary Compensation Table for each applicable fiscal year.
(2)
The Compensation Actually Paid to our PEO reflects the following adjustments required by applicable SEC rules from total compensation reported in the Summary Compensation Table:
 
PEO
      
2023
    
2024
    
2025
 
  Summary Compensation Table - Total Compensation   (a)    $ 4,808,279      $ 8,096,947      $ 1,940,573  
-
  Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year   (b)    $ (3,784,529    $ (7,008,417    $ (1,266,978
+
  Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year   (c)    $ 8,297,093      $ 477,468      $ 856,841  
+
  Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years   (d)    $ 4,320,037      $ (7,049,758    $ 144,556  
+
  Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year   (e)    $ 0      $ 0      $ 0  
+
  Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year   (f)    $ 825,685      $ (3,151,033    $ (23,370
-
  Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year   (g)    $ 0      $ 0      $ 0  
=
  Compensation Actually Paid      $ 14,466,565      $ (8,634,793    $ 1,651,621  
For purposes of the adjustments to determine “Compensation Actually Paid”, we computed the fair value of equity awards in accordance with ASC 718. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant.
 
(3)
The dollar amounts reported in column (d) represent the average of the amounts of total compensation reported for our named executive officers (collectively, our NEOs) as a group (excluding our PEOs) for
 
  each covered fiscal year in the “Total” column of the Summary Compensation Table for each applicable fiscal year. The (excluding our PEO) for fiscal years 2025, 2024 and 2023 were Gwendolyn Binder, Ph.D. and David J. Chang, M.D., M.P.H..
 
(4)
The Compensation Actually Paid to our NEOs (excluding PEOs) on average reflects the following adjustments required by applicable SEC rules from total compensation reported in the Summary Compensation Table:
 
NEO Average
      
2023
    
2024
    
2025
 
  Summary Compensation Table - Total Compensation   (a)    $ 2,220,968      $ 3,351,843      $ 973,267  
-
  Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year   (b)    $ (1,498,733    $ (2,581,003    $ (456,567
+
  Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year   (c)    $ 3,285,778      $ 178,838      $ 276,093  
+
  Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years   (d)    $ 1,565,975      $ (2,758,684    $ 54,484  
+
  Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year   (e)    $ 0      $ 0      $ 0  
+
  Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year   (f)    $ 277,288      $ (1,211,216    $ (8,536
-
  Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year   (g)    $ 0      $ 0      $ 0  
=
  Compensation Actually Paid      $ 5,851,276      $ (3,023,223    $ 838,741  
For purposes of the adjustments to determine “Compensation Actually Paid”, we computed the fair value of equity awards in accordance with ASC 718. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant.
 
(5)
Total shareholder return is calculated by assuming that a $100 investment was made on the close of trading on December 31, 2022. Our company did not pay any dividends during fiscal years 2023, 2024 and 2025.
 
(6)
The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable fiscal year.
   
Named Executive Officers, Footnote
(3)
The dollar amounts reported in column (d) represent the average of the amounts of total compensation reported for our named executive officers (collectively, our NEOs) as a group (excluding our PEOs) for
  each covered fiscal year in the “Total” column of the Summary Compensation Table for each applicable fiscal year. The (excluding our PEO) for fiscal years 2025, 2024 and 2023 were Gwendolyn Binder, Ph.D. and David J. Chang, M.D., M.P.H..
   
PEO Total Compensation Amount $ 1,940,573 $ 8,096,947 $ 4,808,279
PEO Actually Paid Compensation Amount $ 1,651,621 (8,634,793) 14,466,565
Adjustment To PEO Compensation, Footnote
(2)
The Compensation Actually Paid to our PEO reflects the following adjustments required by applicable SEC rules from total compensation reported in the Summary Compensation Table:
 
PEO
      
2023
    
2024
    
2025
 
  Summary Compensation Table - Total Compensation   (a)    $ 4,808,279      $ 8,096,947      $ 1,940,573  
-
  Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year   (b)    $ (3,784,529    $ (7,008,417    $ (1,266,978
+
  Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year   (c)    $ 8,297,093      $ 477,468      $ 856,841  
+
  Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years   (d)    $ 4,320,037      $ (7,049,758    $ 144,556  
+
  Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year   (e)    $ 0      $ 0      $ 0  
+
  Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year   (f)    $ 825,685      $ (3,151,033    $ (23,370
-
  Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year   (g)    $ 0      $ 0      $ 0  
=
  Compensation Actually Paid      $ 14,466,565      $ (8,634,793    $ 1,651,621  
   
Non-PEO NEO Average Total Compensation Amount $ 973,267 3,351,843 2,220,968
Non-PEO NEO Average Compensation Actually Paid Amount $ 838,741 (3,023,223) 5,851,276
Adjustment to Non-PEO NEO Compensation Footnote
(4)
The Compensation Actually Paid to our NEOs (excluding PEOs) on average reflects the following adjustments required by applicable SEC rules from total compensation reported in the Summary Compensation Table:
 
NEO Average
      
2023
    
2024
    
2025
 
  Summary Compensation Table - Total Compensation   (a)    $ 2,220,968      $ 3,351,843      $ 973,267  
-
  Grant Date Fair Value of Stock Awards and Option Awards Granted in Fiscal Year   (b)    $ (1,498,733    $ (2,581,003    $ (456,567
+
  Fair Value at Fiscal Year End of Outstanding and Unvested Stock Awards and Option Awards Granted in Fiscal Year   (c)    $ 3,285,778      $ 178,838      $ 276,093  
+
  Change in Fair Value of Outstanding and Unvested Stock Awards and Option Awards Granted in Prior Fiscal Years   (d)    $ 1,565,975      $ (2,758,684    $ 54,484  
+
  Fair Value at Vesting of Stock Awards and Option Awards Granted in Fiscal Year That Vested During Fiscal Year   (e)    $ 0      $ 0      $ 0  
+
  Change in Fair Value as of Vesting Date of Stock Awards and Option Awards Granted in Prior Fiscal Years For Which Applicable Vesting Conditions Were Satisfied During Fiscal Year   (f)    $ 277,288      $ (1,211,216    $ (8,536
-
  Fair Value as of Prior Fiscal Year End of Stock Awards and Option Awards Granted in Prior Fiscal Years That Failed to Meet Applicable Vesting Conditions During Fiscal Year   (g)    $ 0      $ 0      $ 0  
=
  Compensation Actually Paid      $ 5,851,276      $ (3,023,223    $ 838,741  
   
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid and Company Total Shareholder Return
The following graph reflects the relationship between the PEO and average
non-PEO
NEO “compensation actually paid” (“CAP”) and our cumulative Total Shareholder Return (“TSR”), assuming an initial fixed investment on December 31, 2022 of $100, for the fiscal years ended December 31, 2025, 2024 and 2023.
 
 
LOGO
   
Compensation Actually Paid vs. Net Income
Compensation Actually Paid and Net Income
The following graph reflects the relationship between the PEO and average
non-PEO
NEO CAP, and our net income (loss) for the fiscal years ended December 31, 2025, 2024 and 2023. Because we are not a commercial-stage company, we did not have any revenue during the years ending 2025, 2024 and 2023. Consequently, our company has not historically looked to net income (loss) as a performance measure for our executive compensation program.
 
 
LOGO
 
   
Total Shareholder Return Amount $ 23.68 24.54 245.41
Net Income (Loss) $ (167,860,000) (115,860,000) (67,680,000)
PEO Name Steven Nichtberger    
PEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ (1,266,978) (7,008,417) (3,784,529)
PEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 856,841 477,468 8,297,093
PEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 144,556 (7,049,758) 4,320,037
PEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 0 0 0
PEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount (23,370) (3,151,033) 825,685
PEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 0 0 0
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount (456,567) (2,581,003) (1,498,733)
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 276,093 178,838 3,285,778
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 54,484 (2,758,684) 1,565,975
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount 0 0 0
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount (8,536) (1,211,216) 277,288
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year      
Pay vs Performance Disclosure      
Adjustment to Compensation, Amount $ 0 $ 0 $ 0