InsiderTrades

Donahue Joseph B

SEC CIK 1413323 · EDGAR

Buying vs selling by month open-market trades, last 24 months, MKSI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MKSIMKS INCDir 10.0K — $688.7K 62022-05-102026-05-27

Most active insiders at MKSI, 12 months

#InsiderTitleBoughtSold
1 Lee John Tseng-ChungPres, CEO, Dir —$13.88M
2 COLELLA GERALD GDir —$11.74M
3 Henry David PhilipEVP, Gbl Str Mktg, GM, MSD —$3.24M
4 Mayampurath RamakumarEVP, CFO —$2.78M
5 Schreiner James AlanEVP, COO —$2.60M
6 Burke Kathleen FlahertyEVP, GC, Sec —$2.46M
7 Taranto Eric RobertEVP, GM, VSD —$2.28M
8 McCarthy Michelle MVP, CAO —$1.13M
9 Moloney Jacqueline FDir —$1.07M
10 CANNONE PETER IIIDir —$732.2K
11 Donahue Joseph BDir —$688.7K

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-05-28 14:07 2026-05-27 MKSI MKS INC Donahue Joseph B Dir S - Sale $327.95 -2,100 10.0K -17% -$688.7K
2026-05-12 15:07 2026-05-11 MKSI MKS INC Donahue Joseph B Dir A - Grant — +781.96 12.1K +7% —
2025-05-13 2025-05-12 MKSI MKS INC Donahue Joseph B Dir A - Grant — +2,479 11.4K +28% —
2024-05-08 2024-05-07 MKSI MKS INC Donahue Joseph B Dir A - Grant — +1,622 8,871 +22% —
2023-05-17 2023-05-16 MKSI MKS INC Donahue Joseph B Dir A - Grant — +2,369 7,250 +49% —
2022-05-11 2022-05-10 MKSI MKS INC Donahue Joseph B Dir A - Grant — +1,745 4,880 +56% —

Purchase Sale Sale after option exercise All abbreviations