InsiderTrades

CANNONE PETER III

SEC CIK 1276985 · EDGAR

Buying vs selling by month open-market trades, last 50 months, MKSI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MKSIMKS INCDir 7,794 $30.0K $732.2K 82022-05-102026-05-18

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

Transactions 8

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-05-19 10:46 2026-05-18 MKSI MKS INC CANNONE PETER III Dir S - Sale $303.40 -1,350 7,794 -15% -$409.6K
2026-05-12 15:04 2026-05-11 MKSI MKS INC CANNONE PETER III Dir A - Grant — +781.96 9,144 +9% —
2026-02-23 2026-02-20 MKSI MKS INC CANNONE PETER III Dir S - Sale $258.06 -1,250 8,362 -13% -$322.6K
2025-05-13 2025-05-12 MKSI MKS INC CANNONE PETER III Dir A - Grant — +2,479 9,612 +35% —
2024-05-08 2024-05-07 MKSI MKS INC CANNONE PETER III Dir A - Grant — +1,622 7,133 +29% —
2023-05-17 2023-05-16 MKSI MKS INC CANNONE PETER III Dir A - Grant — +2,369 5,511 +75% —
2022-08-02 2022-08-01 MKSI MKS INC CANNONE PETER III Dir P - Purchase $120.06 +250 3,142 +9% +$30.0K
2022-05-11 2022-05-10 MKSI MKS INC CANNONE PETER III Dir A - Grant — +1,745 2,892 +152% —

Purchase Sale Sale after option exercise All abbreviations