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MKSI · Mks Inc

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$310.73 +4.44 (+1.45%) At close · Aug 14
Market Cap
$21.01B
Shares
67.62M

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed Seller Shares
2026-08-14 Lee John Tseng-Chung 10,000
2026-08-03 Williams John Edward 457
2026-06-12 Schreiner James Alan 3,500
2026-06-10 Schreiner James Alan 781
2026-06-05 McCarthy Michelle M 2,434
2026-06-01 Mora Elizabeth 300
2026-06-01 Henry David Philip 6,000
2026-05-27 Donahue Joseph B 2,100
2026-05-26 Henry David Philip 2,500
2026-05-22 Lee John Tseng-Chung 10,000
2026-05-22 Mayampurath Ramakumar 8,810
2026-05-18 CANNONE PETER III 1,350
2026-05-14 Moloney Jacqueline F 1,000
2026-05-13 Moloney Jacqueline F 1,400
2026-05-11 Burke Kathleen Flaherty 4,355
2026-05-11 Taranto Eric Robert 2,849
2026-03-12 Moloney Jacqueline F 341
2026-03-06 Taranto Eric Robert 4,568
2026-03-02 Mora Elizabeth 300
2026-02-24 Schreiner James Alan 4,100
2026-02-20 Williams John Edward 2,043
2026-02-20 Moloney Jacqueline F 829
2026-02-20 Lee John Tseng-Chung 30,000
2026-02-20 Burke Kathleen Flaherty 4,254
2026-02-20 Taranto Eric Robert 1,453
2026-02-20 Gerald Colella 2019 Trust u/a dtd 5/4/2019 20,000
2026-02-20 McCarthy Michelle M 1,466
2026-02-20 CANNONE PETER III 1,250
2026-02-20 Henry David Philip 2,000
2025-12-02 Mora Elizabeth 300
2025-10-22 Schreiner James Alan 711
2025-10-01 Moloney Jacqueline F 300
2025-09-18 Schreiner James Alan 838
2025-09-18 Henry David Philip 5,000
2025-09-02 Mora Elizabeth 300
2025-08-01 Moloney Jacqueline F 300
2025-07-07 Schreiner James Alan 957
2025-07-03 Henry David Philip 2,000
2025-06-02 Mora Elizabeth 300
2025-03-03 Moloney Jacqueline F 300
2025-03-03 Mora Elizabeth 275
2025-02-18 COLELLA GERARD G 8,000
2024-12-10 Moloney Jacqueline F 300
2024-12-02 Mora Elizabeth 275
2024-10-01 Moloney Jacqueline F 250
2024-09-03 Mora Elizabeth 275
2024-08-16 Williams John Edward 1,800
2024-08-01 Moloney Jacqueline F 250
2024-07-15 Gitin Mark Milton 11,564
2024-06-03 Mora Elizabeth 275
Showing 1–50 of 74 filings
Key facts CIK 1049502 CUSIP 55306N104 13F (30d) 725 filings 701 filers Visit website Investor relations