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MKS Inc

MKSI
Exchange
Nasdaq
Industry
Industrial Instruments For Measurement, Display, and Control
SEC CIK
0001049502

In the last 90 days, MKS Inc insiders filed 0 open-market purchases and 3 sales; 777 institutions reported holding it in 13F filings for Q2 2026, worth $31.3B in total; Maverick Capital is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by MKS Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
3 filings
3 insiders, $3.23M in total
Insiders trading
3
Net value
−$3.23M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for MKS Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for MKS Inc
NameTitleLast reported holdingLast filingFilings, past year
Mora ElizabethDirector18,845Sep 2, 20265
Donlan Renee MartelEVP, GC & CCO–Aug 18, 20261
Lee John Tseng-ChungPresident & CEO134,776Aug 17, 20266
Williams John EdwardEVP & GM, PSD4,098Aug 4, 20265
Schreiner James AlanEVP & COO19,201Jun 16, 20266
McCarthy Michelle MSVP & Chief Accounting Officer2Jun 8, 20263
Henry David PhilipEVP, Global Str Mktg & GM, MSD10,422Jun 2, 20265
Colella Gerard GDirector20,017IndirectMay 28, 20263
Donahue Joseph BDirector10,033May 28, 20262
Mayampurath RamakumarEVP & CFO1May 26, 20264
Cannone Peter IIIDirector7,794May 19, 20263
Moloney Jacqueline FDirector8,775May 15, 20266
Batra RajDirector16,227May 12, 20261
Burke Kathleen FlahertyEVP, GC & Secretary49,439May 12, 20265
Taranto Eric RobertEVP & GM, VSD12,596May 12, 20265
Jabre Wissam GDirector5,270May 12, 20261
Warner Michelle MDirector10,852May 8, 20240
Bagshaw Seth HEVP, CFO & Treasurer1Feb 26, 20240
Gitin Mark MiltonEVP & GM, PSD16,134Feb 16, 20240
Carlyle Asia Partners IV, L.P.10% Owner6,482,732IndirectMay 10, 20230
Carlyle Partners VI Cayman Holdings, L.P.10% Owner6,482,732IndirectMay 10, 20230
Gamma Holding Co Ltd10% Owner6,482,732IndirectMay 10, 20230
CEP IV Participations, S.a r.l. SICAR10% Owner6,482,732IndirectMay 10, 20230
CEP IV Managing GP, L.P.10% Owner6,482,732IndirectMay 10, 20230
CEP IV Managing GP Holdings, Ltd.10% Owner6,482,732IndirectMay 10, 20230
CAP IV General Partner, L.P.10% Owner6,482,732IndirectMay 10, 20230
Cap IV, L.L.C.10% Owner6,482,732IndirectMay 10, 20230
TC Group Cayman Investment Holdings, L.P.10% Owner6,482,732IndirectMay 10, 20230
Carlyle Group Inc.10% Owner6,482,732IndirectMay 10, 20230
Carlyle Holdings II GP L.L.C.10% Owner6,482,732IndirectMay 10, 20230
Carlyle Holdings II L.L.C.10% Owner6,482,732IndirectMay 10, 20230
TC Group Cayman Investment Holdings Sub L.P.10% Owner6,482,732IndirectMay 10, 20230
CG Subsidiary Holdings L.L.C.10% Owner6,482,732IndirectMay 10, 20230
TC Group VI Cayman, L.L.C.10% Owner6,482,732IndirectMay 10, 20230
TC Group VI Cayman, L.P.10% Owner6,482,732IndirectMay 10, 20230
Wild GeoffreyDirector1,813Aug 18, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 2, 2021 (view filing)Sep 11 dayMora ElizabethDirectorSSale−300$148.10−$44.4K−1.9%15.1K after
Nov 8, 2021 (view filing)Nov 44 daysColella Gerard GDirectorSSale−3.00K$155.16−$465.5K−3.0%97.0K after
Dec 2, 2021 (view filing)Dec 11 dayMora ElizabethDirectorSSale−300$155.91−$46.8K−2.0%14.8K after
Mar 2, 2022 (view filing)Mar 11 dayMora ElizabethDirectorSSale−300$149.99−$45.0K−2.0%14.5K after
Aug 2, 2022 (view filing)Aug 11 dayColella Gerard GDirectorPPurchase+1.00K$117.51+$117.5K+1.0%99.0K after
Aug 2, 2022 (view filing)Aug 11 dayCannone Peter IIIDirectorPPurchase+250$120.06+$30.0K+8.6%3.14K after
Sep 2, 2022 (view filing)Sep 11 dayMora ElizabethDirectorSSale−200$96.72−$19.3K−1.2%16.1K after
Oct 4, 2022 (view filing)Oct 31 dayMoloney Jacqueline FDirectorSSale−225$84.14−$18.9K−2.2%10.1K after
Dec 2, 2022 (view filing)Dec 11 dayMoloney Jacqueline FDirectorSSale−225$83.86−$18.9K−2.2%9.91K after
Dec 2, 2022 (view filing)Dec 11 dayMora ElizabethDirectorSSale−200$83.86−$16.8K−1.2%15.9K after
Mar 16, 2023 (view filing)Mar 151 dayMoloney Jacqueline FDirectorSSale−225$86.67−$19.5K−2.3%9.68K after
Mar 16, 2023 (view filing)Mar 151 dayMora ElizabethDirectorSSale−200$86.67−$17.3K−1.3%15.7K after
May 10, 2023 (view filing)4:37 PM ETMay 82 daysTC Group Cayman Investment Holdings, L.P. and 7 others10% OwnerSSale−2.00M$86.13−$172.3M−23.6%6.48M after
May 10, 2023 (view filing)4:59 PM ETMay 82 daysCarlyle Asia Partners IV, L.P. and 7 others10% OwnerSSale−2.00M$86.13−$172.3M−23.6%6.48M afterDuplicate filing
Jun 2, 2023 (view filing)Jun 11 dayMoloney Jacqueline FDirectorSSale−225$97.16−$21.9K−1.9%11.8K after10b5-1
Jun 2, 2023 (view filing)Jun 11 dayMora ElizabethDirectorSSale−200$97.16−$19.4K−1.1%17.9K after10b5-1
Jul 5, 2023 (view filing)Jul 32 daysMora ElizabethDirectorSSale−250$108.49−$27.1K−1.4%17.6K after10b5-1
Aug 8, 2023 (view filing)Aug 71 dayBurke Kathleen FlahertyEVP, GC & SecretarySSale−11.6K$101.23−$1.17M−21.3%42.7K after2 lots
Aug 29, 2023 (view filing)Aug 281 dayMoloney Jacqueline FDirectorSSale−250$95.26−$23.8K−2.1%11.6K after
Sep 1, 2023 (view filing)Aug 311 dayColella Gerard GDirectorSSale−10.0K$100.01−$1.00M−10.2%88.0K after10b5-1
Sep 7, 2023 (view filing)Sep 61 dayBagshaw Seth HEVP, CFO & TreasurerSSale−25.0K$97.30−$2.43M−54.9%20.5K after2 lots
Oct 3, 2023 (view filing)Oct 21 dayMora ElizabethDirectorSSale−250$87.15−$21.8K−1.4%17.4K after10b5-1
Nov 8, 2023 (view filing)Nov 71 dayHenry David PhilipEVP, Operations & Corp MktgPPurchase+2.50K$68.34+$170.8K+29.2%11.1K after
Dec 4, 2023 (view filing)Dec 13 daysMoloney Jacqueline FDirectorSSale−250$82.23−$20.6K−2.2%11.3K after10b5-1
Jan 3, 2024 (view filing)Jan 21 dayMora ElizabethDirectorSSale−250$100.90−$25.2K−1.4%17.1K after10b5-1
Jan 23, 2024 (view filing)Jan 221 dayColella Gerard GDirectorSSale−10.0K$110.00−$1.10M−11.4%78.0K after10b5-1
Feb 12, 2024 (view filing)Feb 93 daysColella Gerard GDirectorSSale−10.0K$120.00−$1.20M−12.8%68.0K after10b5-1
Feb 20, 2024 (view filing)Feb 164 daysMoloney Jacqueline FDirectorSSale−1.92K$124.10−$237.9K−16.9%9.41K after
Feb 26, 2024 (view filing)Feb 224 daysBagshaw Seth HEVP, CFO & TreasurerSSale−32.9K$123.28−$4.05M−100.0%0.79 after3 lots
Mar 4, 2024 (view filing)Mar 13 daysBurke Kathleen FlahertyEVP, GC & SecretarySSale−7.41K$122.89−$910.7K−14.7%43.0K after
Mar 4, 2024 (view filing)Mar 13 daysMoloney Jacqueline FDirectorSSale−250$122.89−$30.7K−2.7%9.16K after10b5-1
Apr 2, 2024 (view filing)Apr 11 dayMora ElizabethDirectorSSale−250$133.00−$33.3K−1.5%16.9K after10b5-1
Jun 4, 2024 (view filing)Jun 31 dayMora ElizabethDirectorSSale−275$129.41−$35.6K−1.5%18.2K after10b5-1
Aug 2, 2024 (view filing)Aug 11 dayMoloney Jacqueline FDirectorSSale−250$123.46−$30.9K−2.3%10.5K after10b5-1
Aug 19, 2024 (view filing)Aug 163 daysWilliams John EdwardEVP & GM, PSDSSale−1.80K$118.71−$213.7K−99.3%13 after
Sep 4, 2024 (view filing)Sep 31 dayMora ElizabethDirectorSSale−275$115.97−$31.9K−1.5%17.9K after10b5-1
Oct 2, 2024 (view filing)Oct 11 dayMoloney Jacqueline FDirectorSSale−250$108.90−$27.2K−2.4%10.3K after10b5-1
Dec 3, 2024 (view filing)Dec 21 dayMora ElizabethDirectorSSale−275$113.41−$31.2K−1.5%17.7K after10b5-1
Dec 11, 2024 (view filing)Dec 101 dayMoloney Jacqueline FDirectorSSale−300$114.80−$34.4K−2.9%9.98K after10b5-1
Feb 19, 2025 (view filing)Feb 181 dayColella Gerard GDirectorSSale−8.00K$104.53−$836.2K−11.8%60.0K after
Mar 4, 2025 (view filing)Mar 31 dayMoloney Jacqueline FDirectorSSale−300$92.46−$27.7K−3.0%9.68K after10b5-1
Mar 4, 2025 (view filing)Mar 31 dayMora ElizabethDirectorSSale−275$92.46−$25.4K−1.6%17.4K after10b5-1
Jun 3, 2025 (view filing)Jun 21 dayMora ElizabethDirectorSSale−300$81.78−$24.5K−1.5%19.6K after10b5-1
Jul 7, 2025 (view filing)Jul 34 daysHenry David PhilipEVP, Operations & Corp MktgSSale−2.00K$105.00−$210.0K−8.9%20.6K after10b5-1
Jul 8, 2025 (view filing)Jul 71 daySchreiner James AlanEVP & COO, MSDSSale−957$102.44−$98.0K−4.0%22.7K after10b5-1
Aug 4, 2025 (view filing)Aug 13 daysMoloney Jacqueline FDirectorSSale−300$92.10−$27.6K−2.5%11.9K after10b5-1
Sep 3, 2025 (view filing)Sep 21 dayMora ElizabethDirectorSSale−300$99.85−$30.0K−1.5%19.3K after10b5-1
Sep 19, 2025 (view filing)Sep 181 dayHenry David PhilipEVP, Global Str Mktg & GM, MSDSSale−5.00K$130.00−$650.0K−24.3%15.6K after10b5-1
Sep 19, 2025 (view filing)Sep 181 daySchreiner James AlanEVP & COOSSale−838$124.00−$103.9K−3.5%23.2K after10b5-1
Oct 2, 2025 (view filing)Oct 11 dayMoloney Jacqueline FDirectorSSale−300$122.14−$36.6K−2.5%11.6K after10b5-1