Pieris Pharmaceuticals, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Equity Incentive Plans (Tables)

v3.25.1

Equity Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock Option Activity

A summary of activity under the Plan for the years ended December 31, 2023 and December 31, 2024 as follows:


	Common			Weighted		Weighted
	Shares			Average		Average
	Underlying			Exercise		Remaining
	Stock			Price per		Contractual
	Options			Share		Life (Years)
Outstanding at January 1, 2023		317,091		$	8.18	7.1
Granted		188,277		$	9.79
Exercised		—
Forfeited / Cancelled		(16,085	)	$	8.53
Outstanding at December 31, 2023		489,283		$	8.79	7.3
Granted		1,184,069		$	12.70
Exercised		—
Forfeited / Cancelled		—
Outstanding at December 31, 2024		1,673,352		$	11.55		8.6
Exercisable at December 31, 2024		423,610		$	8.45		6.1

Schedule of Stock-based Compensation Expense Recognized

Total stock-based compensation expense recognized in the consolidated statements of operations for the years ended December 31, 2024 and 2023 is as follows (in thousands):


	Year Ended December 31,
	2024		2023
Research and development	$	569	$	548
General and administrative		261		55
Total stock-based compensation expense	$	830	$	603

Schedule of Weighted Average Fair Value of Stock Options Granted

The weighted average fair value of stock options granted during the year ended December 31, 2024 was $8.65 per share which was estimated using the Black-Scholes option pricing model with the following weighted average assumptions:


Expected volatility	73.37% – 81.90%
Risk-free interest rate	4.29% – 4.56%
Expected term (years)	5.77- 6.05
Expected dividend yield		—

- References

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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