MKS INSTRUMENTS INC (MKSI)
US55306N1046 - Common Stock
| Shares Outstanding | 67.06M |
| Float | 66.70M |
| Owners (insider) | 1.09% |
| Owners (institutional) | 98.08% |
| Owners (insider) change | 4.35% |
| Owners (institutional) change | -0.01% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Apr 1, 2024 | Mora Elizabeth | Open Market Sale | 250 | 133.00 | $ 33,250.00 |
| Mar 1, 2024 | Moloney Jacqueline F | Open Market Sale | 250 | 122.89 | $ 30,722.50 |
| Mar 1, 2024 | Burke Kathleen Flaherty | Open Market Sale | 7411 | 122.89 | $ 910,737.79 |
| Feb 22, 2024 | BAGSHAW SETH H | Open Market Sale | 32865 | 123.28 | $ 4,051,628.65 |
| Feb 16, 2024 | Moloney Jacqueline F | Open Market Sale | 1917 | 124.10 | $ 237,899.70 |
| Feb 15, 2024 | Burke Kathleen Flaherty | Option Excercise | 12459 | $ 0.00 | |
| Feb 15, 2024 | Burke Kathleen Flaherty | Option Excercise | 4912 | 122.15 | $ 600,000.80 |
| Feb 15, 2024 | Lee John Tseng-Chung | Option Excercise | 64534 | $ 0.00 | |
| Feb 15, 2024 | Lee John Tseng-Chung | Option Excercise | 30231 | 122.15 | $ 3,692,716.65 |
| Feb 15, 2024 | BAGSHAW SETH H | Option Excercise | 21366 | $ 0.00 | |
| Feb 15, 2024 | BAGSHAW SETH H | Option Excercise | 9173 | 122.15 | $ 1,120,481.95 |
| Feb 15, 2024 | Taranto Eric Robert | Option Excercise | 5762 | $ 0.00 | |
| Feb 15, 2024 | Taranto Eric Robert | Option Excercise | 1694 | 122.15 | $ 206,922.10 |
| Feb 15, 2024 | Schreiner James Alan | Option Excercise | 8657 | $ 0.00 | |
| Feb 15, 2024 | Schreiner James Alan | Option Excercise | 3756 | 122.15 | $ 458,795.40 |
| Feb 15, 2024 | Henry David Philip | Option Excercise | 8022 | $ 0.00 | |
| Feb 15, 2024 | Henry David Philip | Option Excercise | 2692 | 122.15 | $ 328,827.80 |
| Feb 15, 2024 | Gitin Mark Milton | Option Excercise | 6841 | $ 0.00 | |
| Feb 15, 2024 | Gitin Mark Milton | Option Excercise | 2552 | 122.15 | $ 311,726.80 |
| Feb 9, 2024 | COLELLA GERARD G | Open Market Sale | 10000 | 120.00 | $ 1,200,003.00 |
| Jan 22, 2024 | COLELLA GERARD G | Open Market Sale | 10000 | 110.00 | $ 1,100,004.00 |
| Jan 2, 2024 | Mora Elizabeth | Open Market Sale | 250 | 100.90 | $ 25,225.00 |
| Dec 1, 2023 | Moloney Jacqueline F | Open Market Sale | 250 | 82.23 | $ 20,557.50 |
| Dec 1, 2023 | BAGSHAW SETH H | Option Excercise | 699 | $ 0.00 | |
| Dec 1, 2023 | BAGSHAW SETH H | Option Excercise | 699 | 84.19 | $ 58,848.81 |
| Dec 1, 2023 | Lee John Tseng-Chung | Option Excercise | 3275 | $ 0.00 | |
| Dec 1, 2023 | Lee John Tseng-Chung | Option Excercise | 3275 | 84.19 | $ 275,722.25 |
| Nov 7, 2023 | Henry David Philip | Open Market Purchase | 2500 | 68.34 | $ 170,861.75 |
| Oct 2, 2023 | Mora Elizabeth | Open Market Sale | 250 | 87.15 | $ 21,787.50 |
| Sep 6, 2023 | BAGSHAW SETH H | Open Market Sale | 25000 | 97.30 | $ 2,432,583.90 |
| Aug 31, 2023 | COLELLA GERARD G | Open Market Sale | 10000 | 100.01 | $ 1,000,056.00 |
| Aug 28, 2023 | Moloney Jacqueline F | Open Market Sale | 250 | 95.26 | $ 23,813.75 |
| Aug 7, 2023 | Burke Kathleen Flaherty | Open Market Sale | 11563 | 101.23 | $ 1,170,535.87 |
| Jul 3, 2023 | Mora Elizabeth | Open Market Sale | 250 | 108.49 | $ 27,122.50 |
| Jun 1, 2023 | Mora Elizabeth | Open Market Sale | 200 | 97.16 | $ 19,432.00 |
| Jun 1, 2023 | Moloney Jacqueline F | Open Market Sale | 225 | 97.16 | $ 21,861.00 |
| May 16, 2023 | Moloney Jacqueline F | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | CANNONE PETER III | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | Batra Raj | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | COLELLA GERARD G | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | Donahue Joseph B | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | Warner Michelle M | Grant | 2369 | $ 0.00 | |
| May 16, 2023 | Mora Elizabeth | Grant | 2369 | $ 0.00 | |
| May 11, 2023 | COLELLA GERARD G | Other Disposition | 1000 | 0.00 | $ 0.00 |
| May 8, 2023 | Carlyle Group L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | Carlyle Holdings II GP L.L.C. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | Carlyle Holdings II L.L.C. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CG Subsidiary Holdings L.L.C. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | TC Group Cayman Investment Holdings, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | TC Group Cayman Investment Holdings Sub L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | TC Group VI Cayman, L.L.C. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | TC Group VI Cayman, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | Carlyle Partners VI Cayman Holdings, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CEP IV Managing GP Holdings, Ltd. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CAP IV General Partner, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | Carlyle Asia Partners IV, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | Gamma Holding Co Ltd | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CEP IV Participations, S.a r.l. SICAR | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CEP IV Managing GP, L.P. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |
| May 8, 2023 | CAP IV, L.L.C. | Open Market Sale | 2000000 | 86.13 | $ 172,250,000.00 |