Highest-materiality recent filing
MKS Q1 2026 revenue $1.078B beats guidance; GAAP EPS $1.18, Non-GAAP $2.30
Revenue of $1,078 million, at the high end of guided range.
MKS Q4 revenue $1.033B, GAAP EPS $1.58, Non-GAAP EPS $2.47; refinances debt with €1.0B notes
Q4 revenue of $1.033B; GAAP net income $108M ($1.58 diluted EPS).
MKS closes €1B notes offering, refinances $2.2B term loan; expects $27M annual interest savings
Issued €1.0B of 4.250% senior notes due 2034; net proceeds with cash prepaid $1.3B of existing USD term loan.
MKS prices €1.0B 4.250% senior notes due 2034 to refinance term loans
€1.0B aggregate principal, 4.250% coupon, maturing February 15, 2034.
MKS raises Q4 guidance, plans $2.2B term loan refinancing to reduce interest, extend maturities
Updated Q4 2025 guidance: revenue ~$1,030M (midpoint up $40M), GAAP net income ~$106M, Adj. EBITDA ~$248M.
MKS Q3 revenue $988M, GAAP EPS $1.10, non-GAAP EPS $1.93; net leverage 3.9x
Revenue $988M at high end of guidance; GAAP net income $74M ($1.10 diluted EPS).
MKS Q2 revenue $973M above guidance; GAAP EPS $0.92, non-GAAP EPS $1.77
Revenue of $973M exceeded high end of guidance; GAAP net income $62M ($0.92 diluted EPS).
MKS Instruments appoints James Schreiner as COO, shareholders approve name change to MKS Inc.
James Schreiner named EVP & COO effective Aug 1, 2025; salary raised to $600k from $510k.
MKS Q1 rev $936M at high end; Non-GAAP EPS $1.71 above guidance
Revenue $936M at high end of guidance; GAAP net income $52M ($0.77 diluted EPS).
MKS Instruments Reports Q4 2024 Revenue of $935M, Above Guidance Midpoint
Q4 2024 revenue of $935 million, above midpoint of guidance
MKS Instruments reprices $2.5B USD and €0.6B term loans; makes $100M voluntary prepayment
Reduced USD tranche margin from SOFR+225bp to SOFR+200bp; EUR tranche from EURIBOR+275bp to EURIBOR+250bp.
MKS Instruments Q3 revenue $896M, non-GAAP EPS $1.72 beats high-end guidance
Q3 revenue $896M at high end of guidance; GAAP net income $62M ($0.92 EPS).
MKS Instruments appoints Ram Mayampurath as CFO effective Oct 14, 2024
Ram Mayampurath appointed EVP, CFO and Treasurer, effective October 14, 2024.
MKS Instruments Q2 revenue $887M at high end; adjusted EPS $1.53 beats guidance
Revenue of $887M (high end of guidance); GAAP net income $23M, EPS $0.33.
MKS Instruments reprices $3.4B term loans, reduces margins, prepays $110M
Reduced USD Term Loan B margin from 2.50% to 2.25% (SOFR) and EUR Term Loan B margin from 3.00% to 2.75% (EURIBOR).
MKS Instruments closes $1.4B convertible note offering; proceeds to repay term loan
Issued $1.4B of 1.25% convertible senior notes due June 1, 2030; net proceeds $1.374B.
MKS Instruments prices $1.2B 1.25% convertible notes due 2030; upsized from $1.0B
$1.2B aggregate principal of 1.25% convertible senior notes due 2030; initial purchasers can buy additional $200M.
MKS Instruments proposes $1.0B convertible senior notes due 2030 to repay term loan
Offers $1.0B aggregate principal of convertible senior notes due 2030 in private placement.
MKS Instruments Q1 revenue $868M, non-GAAP EPS $1.18 beat guidance
Q1 2024 revenue $868M (above midpoint); GAAP net income $15M, EPS $0.22.
MKS Q4 revenue $893M beats guidance; GAAP loss $68M, non-GAAP EPS $1.17
Revenue $893M exceeded high-end guidance; GAAP net loss $68M ($1.02/sh) includes impairments.
MKS refinances $744M term loans; extends maturity to 2029, expects 30-35 bps cost savings
Borrowed $490M incremental USD tranche B and €250M incremental Euro tranche B loans.
MKS Instruments CFO Seth Bagshaw to retire effective April 1, 2024
Seth H. Bagshaw, EVP, CFO and Treasurer, will retire April 1, 2024, after 18 years at MKS.
MKS Instruments Q3 Non-GAAP EPS $1.46 beats guidance; Q4 revenue outlook $840M
Revenue $932M in-line; GAAP EPS $0.58, Non-GAAP EPS $1.46 above guidance high-end.
MKS Instruments Q2 revenue $1.0B, GAAP loss $26.47/sh on impairment, non-GAAP EPS $1.32 beat
Revenue $1.0B, up 26% sequentially and above midpoint of guidance.
MKS Instruments Q1 GAAP net loss $0.64/shr; revenue $794M; ransomware ops restored
Revenue $794M for Q1 2023; GAAP net loss per diluted share $0.64.
MKS Instruments Q4 revenue $1.09B beats guidance; ransomware to cut Q1 revenue by at least $200M
Q4 revenue $1.09B (record, +42% YoY), GAAP EPS $0.81, non-GAAP EPS $2.00, all above guidance.
MKS reschedules earnings due to ransomware; Vacuum & Photonics divisions materially impacted
Ransomware event identified Feb 3; Q4/FY 2022 earnings call rescheduled to Feb 28, 2023.
MKS Instruments discloses ransomware incident; temporarily suspends operations at certain facilities
On Feb 3, 2023, MKS identified a ransomware event and activated incident response and business continuity protocols.
MKS closes $4.4B Atotech acquisition; appoints new division COO and director
Acquired Atotech on Aug 17, 2022, for ~$4.4B aggregate consideration (cash + stock).
MKS Instruments receives China SAMR approval for Atotech acquisition; closing set Aug 17
Unconditional merger approval from China's State Administration for Market Regulation (SAMR).
MKS Instruments Q2 record revenue $765M, semicon revenue record $515M, EPS beats
Revenue $765M (record, +3% seq); Semiconductor Market revenue $515M (record, +19% YoY).
Revenue $742M, up 7% YoY; GAAP net income $143M (+17%); non-GAAP net earnings $151M (+6%).
appointed David P. Henry, who currently serves as Executive Vice President, Operations and Corporate Marketing, to serve as Executive Vice President, Global Strategic Marketing and General Manager, Materials Solutions Division, effective as of August 1, 2025.
appointed James A. Schreiner, age 63, who currently serves as Executive Vice President and Chief Operating Officer, Materials Solutions Division, to serve as Executive Vice President and Chief Operating Officer, effective as of August 1, 2025.
On November 4, 2024, the Board of Directors (the “Board”) of MKS Instruments, Inc. (the “Company”) appointed Wissam Jabre as a Class III Director, effective November 4, 2024, to serve until the 2026 Annual Meeting of Shareholders.
On August 5, 2024, the Board of Directors of MKS Instruments, Inc. (the “Company”) appointed Ramakumar Mayampurath to serve as Executive Vice President, Chief Financial Officer and Treasurer of the Company, effective October 14, 2024.
Following Mr. Bagshaw’s retirement, on April 1, 2024, John T.C. Lee, President and Chief Executive Officer of the Company, assumed the role of principal financial officer of the Company on an interim basis while the Company continues its search for Mr. Bagshaw’s successor.
As previously announced, on April 1, 2024, Seth H. Bagshaw retired as Executive Vice President, Chief Financial Officer and Treasurer of MKS Instruments, Inc. (the “Company”).
On February 5, 2024, the Board of Directors (the “Board”) of MKS Instruments, Inc. (the “Company”) appointed Michelle M. McCarthy to serve as Vice President and Chief Accounting Officer of the Company, effective March 4, 2024.
Mr. Bagshaw will continue to serve as the principal financial officer of the Company until his previously announced retirement as Executive Vice President, Chief Financial Officer and Treasurer of the Company, effective April 1, 2024.
On December 1, 2023, Seth H. Bagshaw, Executive Vice President, Chief Financial Officer and Treasurer of MKS Instruments, Inc. (the “Company”) notified the Company that he intends to retire as Executive Vice President, Chief Financial Officer and Treasurer of the Company effective April 1, 2024.
Mr. Wild’s employment by Alpha US terminated immediately prior to the closing of the Acquisition.
Geoff Wild’s appointment as a Class III Director of the Company became effective.
Mr. Schreiner’s appointment as Senior Vice President and Chief Operating Officer, Materials Solutions Division, became effective.
Max materiality 0.95 · Median 0.65 · Most common event earnings