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STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Weighted-Average Assumptions Used to Estimate Fair Value of Restricted Stock Units | Inputs and assumptions used to calculate the fair value are shown in the table below. The fair value of these RSUs is expensed over the vesting period using the straight-line method or using the graded vesting method when an employee becomes eligible to retain the award at retirement.
Nine Months Ended September 30, | 2025 |  | 2024
Fair value per stock award | $ | 154.20 |  |  | $ | 145.79 |
Grant date stock price | $ | 147.84 |  |  | $ | 141.00 |
Assumptions: |  |  |
Aptar's stock price expected volatility | 17.70 | % |  | 18.80 | %
Expected average volatility of peer companies | 34.10 | % |  | 34.80 | %
Correlation assumption | 31.00 | % |  | 30.70 | %
Risk-free interest rate | 4.03 | % |  | 4.51 | %
Dividend yield assumption | 1.22 | % |  | 1.16 | %
Schedule of Restricted Stock Unit Activity | A summary of RSU activity as of September 30, 2025 and changes during the nine month period then ended is presented below:
| Time-Based RSUs |  | Performance-Based RSUs
| Units |  | Weighted Average Grant-Date Fair Value |  | Units |  | Weighted Average Grant-Date Fair Value
Nonvested at January 1, 2025 | 277,245 |  |  | $ | 123.28 |  |  | 513,226 |  |  | $ | 127.17 |
Granted | 93,346 |  |  | 145.29 |  |  | 207,167 |  |  | 147.38 |
Vested | (142,856) |  |  | 117.70 |  |  | (215,069) |  |  | 131.12 |
Forfeited | (8,064) |  |  | 126.16 |  |  | (48,879) |  |  | 121.15 |
Nonvested at September 30, 2025 | 219,671 |  |  | $ | 136.14 |  |  | 456,445 |  |  | $ | 135.06 |
Schedule of Compensation Expense, Fair Value, and Intrinsic Value Related to Rsu's |
Nine Months Ended September 30, | 2025 |  | 2024
Compensation expense (included in SG&A) | $ | 27,515 |  |  | $ | 29,425 |
Compensation expense (included in Cost of sales) | 2,588 |  |  | 2,252 |
Compensation expense, Total | $ | 30,103 |  |  | $ | 31,677 |
Fair value of units vested | 43,382 |  |  | 35,434 |
Intrinsic value of units vested | 53,743 |  |  | 38,578 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | These values were estimated on the respective dates of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions:
Stock Award Plans: |  |  |
Nine Months Ended September 30, | 2025 |  | 2024
Dividend Yield | 1.17 | % |  | 1.28 | %
Expected Stock Price Volatility | 17.66 | % |  | 17.03 | %
Risk-free Interest Rate | 4.21 | % |  | 4.51 | %
Expected Life of Option (years) | 7.0 |  | 7.0
Schedule of Option Activity | A summary of option activity under our stock plans during the nine months ended September 30, 2025 is presented below:
| Stock Awards Plans |  |
| Options |  | Weighted Average Exercise Price |  |  |  |
Outstanding, January 1, 2025 | 1,663,307 |  |  | $ | 93.69 |  |  |  |  |
Granted | 226,187 |  |  | 147.84 |  |  |  |  |
Exercised | (194,834) |  |  | 76.20 |  |  |  |  |
Forfeited or expired | (13,671) |  |  | 114.87 |  |  |  |  |
Outstanding at September 30, 2025 | 1,680,989 |  |  | $ | 102.83 |  |  |  |  |
Exercisable at September 30, 2025 | 1,195,724 |  |  | $ | 88.11 |  |  |  |  |
Weighted-Average Remaining Contractual Term (Years): |  |  |  |  |  |  |
Outstanding at September 30, 2025 | 4.5 |  |  |  |  |  |
Exercisable at September 30, 2025 | 2.8 |  |  |  |  |  |
Aggregate Intrinsic Value: |  |  |  |  |  |  |
Outstanding at September 30, 2025 | $ | 54,546 |  |  |  |  |  |  |
Exercisable at September 30, 2025 | $ | 53,009 |  |  |  |  |  |  |
Intrinsic Value of Options Exercised During the Nine Months Ended: |  |  |  |  |  |  |
September 30, 2025 | $ | 15,079 |  |  |  |  |  |  |
September 30, 2024 | $ | 43,779 |  |  |  |  |  |  |
Schedule of Compensation Expense, and Fair Value Related to Options |
Nine Months Ended September 30, | 2025 |  | 2024
Compensation expense (included in SG&A) | $ | 6,082 |  |  | $ | 5,678 |
Compensation expense (included in Cost of sales) | 587 |  |  | 607 |
Compensation expense, Total | $ | 6,669 |  |  | $ | 6,285 |
Compensation expense, net of tax | 5,455 |  |  | 6,121 |
Grant date fair value of options vested | 5,200 |  |  | 2,306 |

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