4//SEC Filing
Lee John Tseng-Chung 4
Accession 0001127602-25-005631
CIK 0001049502other
Filed
Feb 18, 7:00 PM ET
Accepted
Feb 19, 6:21 PM ET
Size
30.1 KB
Accession
0001127602-25-005631
Insider Transaction Report
Form 4
Lee John Tseng-Chung
Group VP & GM CIT/ION Products
Transactions
- Exercise/Conversion
Common Stock
2025-02-18+14,041.44→ 126,729.99 total - Exercise/Conversion
Common Stock
2025-02-18+6,735.326→ 133,465.316 total - Exercise/Conversion
Common Stock
2025-02-18+22,088→ 155,553.316 total - Exercise/Conversion
Common Stock
2025-02-18+7,654→ 163,207.316 total - Exercise/Conversion
Common Stock
2025-02-18+7,207→ 174,449.436 total - Exercise/Conversion
Common Stock
2025-02-18+4,035.12→ 167,242.436 total - Tax Payment
Common Stock
2025-02-18$103.67/sh−27,332$2,833,508→ 147,117.436 total - Award
Restricted Stock Unit
2025-02-18+37,925.476→ 151,916.508 total→ Common Stock (37,925.476 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−14,041.44→ 137,875.068 total→ Common Stock (14,041.44 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−6,735.326→ 131,139.742 total→ Common Stock (6,735.326 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−22,088→ 109,051.742 total→ Common Stock (22,088 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−7,654→ 101,397.742 total→ Common Stock (7,654 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−4,035.12→ 97,362.622 total→ Common Stock (4,035.12 underlying) - Exercise/Conversion
Restricted Stock Unit
2025-02-18−7,207→ 90,155.622 total→ Common Stock (7,207 underlying)
Footnotes (9)
- [F1]Each restricted stock unit (RSU) represents the contingent right to receive one share of common stock of MKS Instruments, Inc.
- [F2]These shares were withheld by MKS Instruments, Inc. to satisfy the tax withholding obligations triggered by the vesting of RSUs and do not represent a discretionary trade by the reporting person.
- [F3]These RSUs vest in three equal annual installments commencing on February 15, 2026, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F4]These RSUs were subject to performance criteria, the achievement of which was determined on February 8, 2023, and thereafter vest in three equal annual installments beginning on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F5]These RSUs vest in three equal annual installments commencing on February 15, 2023, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F6]These RSUs were subject to performance criteria, the achievement of which was determined on February 5, 2024, and thereafter vest in three equal annual installments beginning on February 15, 2024, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F7]These RSUs vest in three equal annual installments commencing on February 15, 2024, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F8]These RSUs were subject to performance criteria, the achievement of which was determined on February 10, 2025, and thereafter vest in three equal annual installments beginning on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
- [F9]These RSUs vest in three equal annual installments commencing on February 15, 2025, provided that if, in any vesting year, February 15th is not a business day, such vesting shall occur on the next business day.
Documents
Issuer
MKS INSTRUMENTS INC
CIK 0001049502
Entity typeother
Related Parties
1- filerCIK 0001414656
Filing Metadata
- Form type
- 4
- Filed
- Feb 18, 7:00 PM ET
- Accepted
- Feb 19, 6:21 PM ET
- Size
- 30.1 KB