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Net Loss Per Share Attributable to Adaptive Biotechnologies Corporation Common Shareholders (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Computation of the Basic and Diluted Net Loss Per Share Attributable to Common Shareholders

The following table sets forth the computation of the basic and diluted net loss per share attributable to our common shareholders for the years ended December 31, 2022, 2021 and 2020 (in thousands, except share and per share amounts):

		Year Ended December 31,
		2022				2021				2020
Net loss attributable to Adaptive Biotechnologies Corporation		$	(200,191	)		$	(207,279	)		$	(146,227	)
Weighted-average shares used in computing net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted			142,515,917				140,354,915				131,216,468
Net loss per share attributable to Adaptive Biotechnologies Corporation common shareholders, basic and diluted		$	(1.40	)		$	(1.48	)		$	(1.11	)

Weighted-Average Common Stock Equivalents were Excluded From Calculation of Diluted Net Loss Per Share

The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to our common shareholders for the years ended December 31, 2022, 2021 and 2020, as they had an anti-dilutive effect:

		Year Ended December 31,
		2022				2021				2020
Stock options outstanding			13,892,287				13,097,374				16,125,548
Nonvested restricted stock units outstanding			4,799,850				693,173				38,125
Maximum nonvested market-based restricted stock units outstanding eligible to be earned			410,282				—				—
Common stock warrant outstanding			—				8,570				56,875
Total			19,102,419				13,799,117				16,220,548

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Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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