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Stockholders' Equity and Noncontrolling Interests | 3 Months Ended
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Mar. 31, 2024
Stockholders' Equity and Noncontrolling Interests |
Stockholders' Equity and Noncontrolling Interests | Note 7—Stockholders’ Equity and Noncontrolling Interests ​ Net income attributable to noncontrolling interests is classified below net income. Earnings per share is determined after the impact of the noncontrolling interests’ share in net income of the Company. In addition, the equity attributable to noncontrolling interests is presented as a separate caption within equity. ​ A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the three months ended March 31, 2024 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Stockholders’ equity attributable to Amphenol Corporation | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Accumulated | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Redeemable
​ |  | Common Stock | ​ | Treasury Stock | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | Non- | ​ | ​ | ​ | ​ | Non-
​ |  | Shares | ​ | ​ | ​ | ​ | Shares | ​ | ​ | ​ | ​ | Paid-In | ​ | Retained | ​ | Comprehensive | ​ | controlling | ​ | Total | ​ | controlling
​ |  | (in millions) |  | Amount |  | (in millions) |  | Amount |  | Capital |  | Earnings |  | Loss |  | Interests (1) |  | Equity |  | Interests
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as of December 31, 2023 |  | 600.6 |  | $ | 0.6 |  | (1.7) |  | $ | (142.8) |  | $ | 3,101.2 |  | $ | 5,921.1 |  | $ | (533.6) |  | $ | 49.3 |  | $ | 8,395.8 |  | $ | 30.7
Net income |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 548.7 | ​ | ​ | ​ | ​ |  | 2.9 | ​ |  | 551.6 | ​ | ​ | 0.4
Other comprehensive income (loss) |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (69.3) | ​ |  | (0.8) | ​ |  | (70.1) | ​ | ​ | (0.2)
Capital contributions from noncontrolling interests |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 0.8 | ​ |  | 0.8 | ​ | ​ | ​
Purchase of treasury stock |  | ​ | ​ | ​ | ​ | ​ | (1.4) | ​ |  | (153.8) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (153.8) | ​ | ​ | ​
Retirement of treasury stock |  | (1.4) | ​ | ​ | — | ​ | 1.4 | ​ |  | 153.8 | ​ | ​ | ​ | ​ |  | (153.8) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | — | ​ | ​ | ​
Stock options exercised |  | 2.8 | ​ | ​ | — | ​ | 0.4 | ​ | ​ | 39.0 | ​ |  | 99.1 | ​ | ​ | (20.4) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 117.7 | ​ | ​ | ​
Dividends declared ($0.22 per common share) |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (132.1) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (132.1) | ​ | ​ | ​
Stock-based compensation expense |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 23.8 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 23.8 | ​ | ​ | ​
Balance as of March 31, 2024 |  | 602.0 | ​ | $ | 0.6 | ​ | (1.3) | ​ | $ | (103.8) | ​ | $ | 3,224.1 | ​ | $ | 6,163.5 | ​ | $ | (602.9) | ​ | $ | 52.2 | ​ | $ | 8,733.7 | ​ | $ | 30.9
(1) Excludes redeemable noncontrolling interests. ​ A rollforward of consolidated changes in equity and redeemable noncontrolling interests for the three months ended March 31, 2023 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Stockholders’ equity attributable to Amphenol Corporation | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Accumulated | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Redeemable
​ |  | Common Stock | ​ | Treasury Stock | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | Non- | ​ | ​ | ​ | ​ | Non-
​ |  | Shares | ​ | ​ | ​ | ​ | Shares | ​ | ​ | ​ | ​ | Paid-In | ​ | Retained | ​ | Comprehensive | ​ | controlling | ​ | Total | ​ | controlling
​ |  | (in millions) |  | Amount |  | (in millions) |  | Amount |  | Capital |  | Earnings |  | Loss |  | Interests (1) |  | Equity |  | Interests
​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance as of December 31, 2022 |  | 596.0 |  | $ | 0.6 |  | (1.2) |  | $ | (79.8) |  | $ | 2,650.4 |  | $ | 4,979.4 |  | $ | (535.0) |  | $ | 57.9 |  | $ | 7,073.5 |  | $ | 20.6
Net income |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 439.2 | ​ | ​ | ​ | ​ |  | 3.2 | ​ |  | 442.4 | ​ |  | 0.3
Other comprehensive income (loss) |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 42.4 | ​ |  | 0.8 | ​ |  | 43.2 | ​ |  | —
Acquisitions resulting in noncontrolling interests |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 0.8 | ​ |  | 0.8 | ​ |  | ​
Distributions to shareholders of noncontrolling interests |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (5.2) | ​ |  | (5.2) | ​ |  | ​
Purchase of treasury stock |  | ​ | ​ | ​ | ​ | ​ | (2.1) | ​ |  | (166.9) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (166.9) | ​ |  | ​
Retirement of treasury stock |  | (2.1) | ​ | ​ | — | ​ | 2.1 | ​ |  | 166.9 | ​ | ​ | ​ | ​ |  | (166.9) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | — | ​ |  | ​
Stock options exercised |  | 2.4 | ​ | ​ | — | ​ | 0.2 | ​ | ​ | 10.1 | ​ |  | 76.4 | ​ | ​ | (5.4) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 81.1 | ​ |  | ​
Dividends declared ($0.21 per common share) |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (125.0) | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | (125.0) | ​ |  | ​
Stock-based compensation expense |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 21.7 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | 21.7 | ​ |  | ​
Balance as of March 31, 2023 |  | 596.3 | ​ | $ | 0.6 | ​ | (1.0) | ​ | $ | (69.7) | ​ | $ | 2,748.5 | ​ | $ | 5,121.3 | ​ | $ | (492.6) | ​ | $ | 57.5 | ​ | $ | 7,365.6 | ​ | $ | 20.9
(1) Excludes redeemable noncontrolling interests. ​ ​ Stock Repurchase Programs ​ On April 27, 2021, the Board authorized a stock repurchase program under which the Company may purchase up to $2,000.0 of the Company’s Class A Common Stock (“Common Stock”) during the three-year period ending April 27, 2024 (the “2021 Stock Repurchase Program”). During the three months ended March 31, 2024, the Company repurchased 1.4 million shares of its Common Stock for $153.8 under the 2021 Stock Repurchase Program. All of the repurchased shares during the first three months of 2024 were retired by the Company. During the three months ended March 31, 2023, the Company repurchased 2.1 million shares of its Common Stock for $166.9 under the 2021 Stock Repurchase Program. All of the repurchased shares during the first three months of 2023 were retired by the Company. From April 1, 2024 to April 26, 2024, the Company repurchased 0.6 million additional shares of its Common Stock for $71.8, which were the final repurchases under the 2021 Stock Repurchase Program. ​ On April 23, 2024, the Board authorized a new stock repurchase program under which the Company may purchase up to $2,000.0 of the Company’s Common Stock during the three-year period ending on the close of business on April 28, 2027 (the “2024 Stock Repurchase Program”). The 2024 Stock Repurchase Program becomes effective on April 29, 2024. The timing and amount of any future repurchases will depend on a number of factors, such as the levels of cash generation from operations, the volume of stock options exercised by employees, cash requirements for acquisitions, dividends paid, economic and market conditions and the price of the Common Stock. ​ Dividends ​ Contingent upon declaration by the Board, the Company pays a quarterly dividend on shares of its Common Stock. The following table summarizes the dividends declared and paid during the three months ended March 31, 2024 and 2023: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended March 31, | ​
​ |  | 2024 | ​ | 2023 | ​
Dividends declared | ​ | $ | 132.1 | ​ | $ | 125.0 | ​
Dividends paid (including those declared in the prior year) | ​ |  | 131.7 | ​ |  | 124.9 | ​
​ On October 24, 2023, the Board approved an increase to the Company’s quarterly dividend rate from $0.21 per share to $0.22 per share, effective with dividends declared in the fourth quarter of 2023, contingent upon declaration by the Board.

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