XML 47 R35.htm IDEA: XBRL DOCUMENT v3.21.2

Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Based Compensation for Employees and Non Employees

Under each of the legal entity’s equity plans, we recorded stock-based compensation in the following expense categories in our condensed consolidated statements of operations for employees and non-employees:

		Three Months Ended September 30, 2021												Nine Months Ended September 30, 2021
		BridgeBio Equity Plan				Other Subsidiaries Equity Plan				Total				BridgeBio Equity Plan				Other Subsidiaries Equity Plan				Total
		(in thousands)
Research and development		$	4,198			$	610			$	4,808			$	44,661			$	1,880			$	46,541
Selling, general and administrative			11,292				30				11,322				33,555				2,965				36,520
Total stock-based compensation		$	15,490			$	640			$	16,130			$	78,216			$	4,845			$	83,061

		Three Months Ended September 30, 2020																Nine Months Ended September 30, 2020
		BridgeBio Equity Plan				Eidos Equity Plan				Other Subsidiaries Equity Plan				Total				BridgeBio Equity Plan				Eidos Equity Plan				Other Subsidiaries Equity Plan				Total
		(in thousands)
Research and development		$	4,974			$	1,648			$	310			$	6,932			$	13,194			$	4,011			$	538			$	17,743
General and administrative			8,895				1,792				80				10,767				24,260				4,074				236				28,570
Total stock-based compensation		$	13,869			$	3,440			$	390			$	17,699			$	37,454			$	8,085			$	774			$	46,313

Summary of Stock Option Activity

The following table summarizes BridgeBio’s stock option activity under the Plans for the nine months ended September 30, 2021:

	Options Outstanding								Weighted- Average Exercise Price per Option				Weighted- Average Remaining Contractual Life (years)				Aggregate Intrinsic Value (in thousands)
Outstanding as of December 31, 2020						7,632,961
Regular equity program		6,778,112							$	23.83				8.8				320,473
Exchange Program		854,849							$	2.22				8.2				58,891
Granted						3,830,863
Regular equity program		1,054,191							$	63.82
Eidos Awards Exchange		2,776,672							$	16.33
Exercised						(1,069,978	)
Regular equity program		(292,143	)						$	19.93
Eidos Awards Exchange		(497,082	)						$	16.10
Exchange Program		(280,753	)						$	1.68
Cancelled						(222,579	)
Regular equity program		(105,089	)						$	27.41
Eidos Awards Exchange		(113,320	)						$	20.17
Exchange Program		(4,170	)						$	3.09
Outstanding as of September 30, 2021						10,171,267
Regular equity program		7,435,071							$	29.60				8.3			$	146,291
Eidos Awards Exchange		2,166,270							$	16.18				7.1			$	66,554
Exchange Program		569,926							$	2.48				7.4			$	25,299
Exercisable as of September 30, 2021						4,486,617
Regular equity program		2,889,270							$	23.73				8.0			$	68,522
Eidos Awards Exchange		1,102,497							$	12.22				6.2			$	38,200
Exchange Program		494,850							$	2.03				7.4			$	22,190

Summary of Restricted Stock Units Activity

The following table summarizes BridgeBio’s RSU activity under the Plans for the nine months ended September 30, 2021:

		Unvested Shares of RSUs Outstanding				Weighted- Average Grant Date Fair Value
Balance as of December 31, 2020			1,053,838			$	34.21
Granted			1,148,597			$	65.25
Vested			(377,499	)		$	44.01
Cancelled			(179,555	)		$	53.21
Balance as of September 30, 2021			1,645,381			$	51.55

Summary of Restricted Stock Award Activity

The following table summarizes our RSA activity under the Plans for the nine months ended September 30, 2021:

		Unvested Shares of RSAs Outstanding				Weighted- Average Grant Date Fair Value
Balance as of December 31, 2020			3,364,366			$	4.47
Granted — Exchange Program			382,122			$	61.31
Vested — Exchange Program			(382,122	)		$	61.31
Vested — Regular equity program			(1,231,043	)		$	3.16
Cancelled — Regular equity program			(5,150	)		$	7.27
Balance as of September 30, 2021			2,128,173			$	5.22

2019 Employee Stock Purchase Plan

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Schedule of Assumptions Used to Determine Fair Value of Stock Option Granted

We used the Black-Scholes model to estimate the fair value of stock options and stock purchase rights under the ESPP. For the nine months ended September 30, 2021, we used the following weighted-average assumptions in the Black-Scholes calculations:

	Nine Months Ended September 30, 2021
	Stock Options				ESPP
Expected term (in years)	6.00-6.02					0.50
Expected volatility	51.43%-51.97%				47.61% - 52.04%
Risk-free interest rate	0.63%-1.09%				0.05% - 0.13%
Dividend yield		—				—
Weighted-average fair value of stock-based awards granted	$	31.03			$	16.29

Restricted Stock Awards

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Based Compensation for Employees and Non Employees

During the three and nine months ended September 30, 2021, we recognized stock-based compensation expense related to RSAs under the Plans as follows:

		Three Months Ended				Nine Months Ended
		September 30, 2021
		(in thousands)
Exchange Program		$	—			$	23,427
Other RSAs			1,486				4,754
Total stock-based compensation    expense		$	1,486			$	28,181

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock units.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PlanNameAxis=bbio_TwoThousandNineteenEmployeeStockPurchasePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: