| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vanderleest Adam | VP, Controller, and CAO | 777 E. WISCONSIN AVE., MILWAUKEE | /s/ John J. Manning, Attorney-in-Fact for Mr. Vanderleest | 18 Dec 2025 | 0002028258 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SXT | Common Stock | Award | $0 | +570 | +35% | $0.000000 | 2,199 | 17 Dec 2025 | Direct | F1 |
| holding | SXT | Common Stock | 340 | 17 Dec 2025 | ESOP | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SXT | Performance Stock Unit | Award | $0 | +854 | $0.000000 | 854 | 17 Dec 2025 | Common Stock | 854 | Direct | F3, F4 | ||
| holding | SXT | Performance Stock Unit | 728 | 17 Dec 2025 | Common Stock | 728 | Direct | F3, F5 | ||||||
| holding | SXT | Performance Stock Unit | 286 | 17 Dec 2025 | Common Stock | 286 | Direct | F3, F6 |
| Id | Content |
|---|---|
| F1 | Represents a grant of restricted stock under the Issuer's 2017 Stock Plan, as amended and restated. The shares are restricted for three years following the grant date. |
| F2 | Represents shares held in Issuer's ESOP as of the end of the month immediately preceding this filing. |
| F3 | Each performance stock unit represents a contingent right to receive one share of Issuer's Common Stock. |
| F4 | The award is eligible to vest following a three-year performance period (from January 1, 2026 through December 31, 2028) based on applicable performance criteria related to revenue and return on invested capital and other terms and conditions. The number of shares reflected is at the target award amount, but the actual number of shares earned will depend on performance and may be more or less than such amount. |
| F5 | Represents grant of performance stock units under Issuer's 2017 Stock Plan, as amended and restated. The award is eligible to vest following a three-year performance period (from January 1, 2025 through December 31, 2027) as follows: (1) 70% of the award is eligible to vest upon achievement of certain performance criteria based on EBITDA growth, and (2) 30% of the award is eligible to vest upon achievement of certain performance criteria based on return on invested capital. Subject to certain continued employment conditions and subject to accelerated vesting in certain circumstances, the actual number of shares earned will be determined and vest following the three-year performance period. The number of shares reflected is at the target award amount. No performance stock units will vest below a minimum level of performance. At or above the minimum level of performance, the actual number of shares earned may range from 0% to 200% of the target award amount. |
| F6 | Represents grant of performance stock units under Issuer's 2017 Stock Plan, as amended and restated. The award is eligible to vest following a three-year performance period (from January 1, 2024 through December 31, 2026) as follows: (1) 70% of the award is eligible to vest upon achievement of certain performance criteria based on EBITDA growth, and (2) 30% of the award is eligible to vest upon achievement of certain performance criteria based on return on invested capital. Subject to certain continued employment conditions and subject to accelerated vesting in certain circumstances, the actual number of shares earned will be determined and vest following the three-year performance period. The number of shares reflected is at the target award amount. No performance stock units will vest below a minimum level of performance. At or above the minimum level of performance, the actual number of shares earned may range from 0% to 200% of the target award amount. |