Net Income (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2024

Table Text Blocks

Schedule of computation of basic and diluted net loss per common share

	Year Ended December 31,
	2024		2023 (1)		2022
Numerator:
Net income (loss)	$	880	$	(1,031,559)	$	175,065
Less: Net loss attributable to noncontrolling interests		—		(29,320)		—
Net income (loss) attributable to Ironwood Pharmaceuticals, Inc.		880		(1,002,239)		175,065
Add back interest expense, net of tax benefit, on assumed conversion of 2024 Convertible Notes		—		—		1,781
Add back interest expense, net of tax benefit, on assumed conversion of 2026 Convertible Notes		—		—		2,668
Numerator used in computing net income (loss) per share — diluted	$	880	$	(1,002,239)	$	179,514
Denominator:
Weighted average number of common shares outstanding used in computing net income (loss) per share — basic		159,083		155,435		154,366
Effect of dilutive securities:
Stock options		—		—		306
Time-based restricted stock units		425		—		1,375
Performance-based restricted stock units		480		—		282
Restricted stock		96		—		115
2024 Convertible Notes assumed conversion		—		—		14,934
2026 Convertible Notes assumed conversion		—		—		14,934
Dilutive potential common shares
Weighted average number of common shares outstanding used in computing net income (loss) per share — diluted		160,084		155,435		186,312
Net income (loss) per share — basic	$	0.01	$	(6.45)	$	1.13
Net income (loss) per share — diluted	$	0.01	$	(6.45)	$	0.96

(1) The Company incurred a net loss during the year ended December 31, 2023 and therefore did not differentiate basic and diluted earnings per share, as the effect of dilutive securities would be anti-dilutive.

Schedule of potentially dilutive securities that have been excluded from computation of diluted weighted average shares outstanding

	Year Ended December 31,
	2024	2023	2022
Stock options	4,821	4,829	6,152
Time-based restricted stock units	3,596	28	10
Performance-based restricted stock units	34	216	1,182
Note Hedge Warrants	—	2,514	8,318
2026 Convertible Notes	14,934	—	—
Total	23,385	7,587	15,662