Follow the people · Insider
James Alan Schreiner
James Alan Schreiner files insider transactions with the SEC as an evp & coo of Mks Instruments (MKSI). We hold 3 disclosed purchases and sales filed since 19 February 2020, 2 of them in the last 90 days.
- Files forMKSI
- Disclosed buys and sells3 in all, 2 in the last 90 days
- Last disclosure16 June 2026
Positions held
1 post we hold — a term names its own dates; a run of filings only says when they filed- Filed 18 February 2020 — 12 June 2026EVP & COO · Mks Instruments (MKSI)120 Form 4 lines · source: SEC Form 4
Everything they disclosed
120 entries, newest first — one per disclosure report, one per Form 4 line- ▼ sold on the open market 2,471 shares of MksSEC Form 416 June 2026Common Stock · traded 12 June 2026 · filed 16 June 2026
- ▼ sold on the open market 812 shares of MksSEC Form 416 June 2026Common Stock · traded 12 June 2026 · filed 16 June 2026
- ▼ sold on the open market 217 shares of MksSEC Form 416 June 2026Common Stock · traded 12 June 2026 · filed 16 June 2026
- ▼ sold on the open market 781 shares of MksSEC Form 411 June 2026Common Stock · traded 10 June 2026 · filed 11 June 2026
- ▼ sold on the open market 4,100 shares of MksSEC Form 425 February 2026Common Stock · traded 24 February 2026 · filed 25 February 2026
- ▼ sold on the open market 4,100 shares of MksSEC Form 425 February 2026Common Stock · traded 24 February 2026 · filed 25 February 2026
- exercised options over 2,567 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,330 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 432 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,211 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,741 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,944 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,330 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 432 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- was granted 2,377 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 2,567 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,330 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 432 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,211 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,741 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,944 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,211 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,741 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,944 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- had shares withheld for tax on 4,344 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- was granted 2,377 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- exercised options over 2,567 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,330 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 432 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,211 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,741 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 1,944 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- had shares withheld for tax on 4,344 shares of MksSEC Form 418 February 2026Common Stock · traded 17 February 2026 · filed 18 February 2026
- exercised options over 2,567 shares of Mks (a derivative holding)SEC Form 418 February 2026Restricted Stock Unit · traded 17 February 2026 · filed 18 February 2026
- was granted 5,227 shares of Mks (a derivative holding)SEC Form 49 February 2026Restricted Stock Unit · traded 8 February 2026 · filed 9 February 2026
- was granted 5,227 shares of Mks (a derivative holding)SEC Form 49 February 2026Restricted Stock Unit · traded 8 February 2026 · filed 9 February 2026
- ▼ sold on the open market 711 shares of MksSEC Form 423 October 2025Common Stock · traded 22 October 2025 · filed 23 October 2025
- ▼ sold on the open market 838 shares of MksSEC Form 419 September 2025Common Stock · traded 18 September 2025 · filed 19 September 2025
- exercised options over 2,641 shares of Mks (a derivative holding)SEC Form 419 August 2025Restricted Stock Unit · traded 18 August 2025 · filed 19 August 2025
- exercised options over 2,641 shares of MksSEC Form 419 August 2025Common Stock · traded 18 August 2025 · filed 19 August 2025
- had shares withheld for tax on 1,249 shares of MksSEC Form 419 August 2025Common Stock · traded 18 August 2025 · filed 19 August 2025
- was granted 1,330 shares of Mks (a derivative holding)SEC Form 45 August 2025Restricted Stock Unit · traded 4 August 2025 · filed 5 August 2025
- ▼ sold on the open market 957 shares of MksSEC Form 48 July 2025Common Stock · traded 7 July 2025 · filed 8 July 2025
- was granted 4,504 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,630 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,173 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 2,566 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,329 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 432 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,211 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2025Restricted Stock Unit · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,630 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,173 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- exercised options over 2,566 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,329 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- exercised options over 432 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- exercised options over 1,211 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- had shares withheld for tax on 3,648 shares of Mks InstrumentsSEC Form 419 February 2025Common Stock · traded 18 February 2025 · filed 19 February 2025
- was granted 1,297 shares of Mks Instruments (a derivative holding)SEC Form 411 February 2025Restricted Stock Unit · traded 10 February 2025 · filed 11 February 2025
- exercised options over 3,961 shares of Mks Instruments (a derivative holding)SEC Form 420 August 2024Restricted Stock Unit · traded 19 August 2024 · filed 20 August 2024
- exercised options over 3,961 shares of Mks InstrumentsSEC Form 420 August 2024Common Stock · traded 19 August 2024 · filed 20 August 2024
- had shares withheld for tax on 1,873 shares of Mks InstrumentsSEC Form 420 August 2024Common Stock · traded 19 August 2024 · filed 20 August 2024
- was granted 6,602 shares of Mks Instruments (a derivative holding)SEC Form 416 May 2024Restricted Stock Unit · traded 15 May 2024 · filed 16 May 2024
- was granted 3,633 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,307 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 654 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,629 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,173 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 2,565 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,329 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2024Restricted Stock Unit · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,307 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- exercised options over 654 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,629 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,173 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- exercised options over 2,565 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- exercised options over 1,329 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- had shares withheld for tax on 3,756 shares of Mks InstrumentsSEC Form 416 February 2024Common Stock · traded 15 February 2024 · filed 16 February 2024
- was granted 7,698 shares of Mks Instruments (a derivative holding)SEC Form 46 February 2024Restricted Stock Unit · traded 5 February 2024 · filed 6 February 2024
- was granted 3,988 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,001 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 696 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,307 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 653 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,629 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,171 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2023Restricted Stock Unit · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,001 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- exercised options over 696 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,307 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- exercised options over 653 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,629 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- exercised options over 1,171 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- had shares withheld for tax on 1,899 shares of Mks InstrumentsSEC Form 416 February 2023Common Stock · traded 15 February 2023 · filed 16 February 2023
- was granted 4,888 shares of Mks Instruments (a derivative holding)SEC Form 49 February 2023Restricted Stock Unit · traded 8 February 2023 · filed 9 February 2023
- exercised options over 1,434 shares of Mks Instruments (a derivative holding)SEC Form 419 September 2022Restricted Stock Unit · traded 16 September 2022 · filed 19 September 2022
- exercised options over 1,434 shares of Mks InstrumentsSEC Form 419 September 2022Common Stock · traded 16 September 2022 · filed 19 September 2022
- had shares withheld for tax on 637 shares of Mks InstrumentsSEC Form 419 September 2022Common Stock · traded 16 September 2022 · filed 19 September 2022
- was granted 227 shares of Mks Instruments (a derivative holding)SEC Form 418 August 2022Restricted Stock Unit · traded 17 August 2022 · filed 18 August 2022
- was granted 3,290 shares of Mks Instruments (a derivative holding)SEC Form 42 May 2022Restricted Stock Unit · traded 29 April 2022 · filed 2 May 2022
- exercised options over 1,001 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2022Restricted Stock Unit · traded 15 February 2022 · filed 16 February 2022
- exercised options over 695 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2022Restricted Stock Unit · traded 15 February 2022 · filed 16 February 2022
- exercised options over 1,306 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2022Restricted Stock Unit · traded 15 February 2022 · filed 16 February 2022
- exercised options over 653 shares of Mks Instruments (a derivative holding)SEC Form 416 February 2022Restricted Stock Unit · traded 15 February 2022 · filed 16 February 2022
- exercised options over 1,001 shares of Mks InstrumentsSEC Form 416 February 2022Common Stock · traded 15 February 2022 · filed 16 February 2022
- exercised options over 695 shares of Mks InstrumentsSEC Form 416 February 2022Common Stock · traded 15 February 2022 · filed 16 February 2022
- exercised options over 1,306 shares of Mks InstrumentsSEC Form 416 February 2022Common Stock · traded 15 February 2022 · filed 16 February 2022
- exercised options over 653 shares of Mks InstrumentsSEC Form 416 February 2022Common Stock · traded 15 February 2022 · filed 16 February 2022
- had shares withheld for tax on 1,242 shares of Mks InstrumentsSEC Form 416 February 2022Common Stock · traded 15 February 2022 · filed 16 February 2022
- was granted 3,920 shares of Mks Instruments (a derivative holding)SEC Form 424 January 2022Restricted Stock Unit · traded 21 January 2022 · filed 24 January 2022
- exercised options over 1,434 shares of Mks Instruments (a derivative holding)SEC Form 417 September 2021Restricted Stock Unit · traded 16 September 2021 · filed 17 September 2021
- exercised options over 1,434 shares of Mks InstrumentsSEC Form 417 September 2021Common Stock · traded 16 September 2021 · filed 17 September 2021
- had shares withheld for tax on 454 shares of Mks InstrumentsSEC Form 417 September 2021Common Stock · traded 16 September 2021 · filed 17 September 2021
- was granted 1,960 shares of Mks Instruments (a derivative holding)SEC Form 417 February 2021Restricted Stock Unit · traded 16 February 2021 · filed 17 February 2021
- exercised options over 1,001 shares of Mks Instruments (a derivative holding)SEC Form 417 February 2021Restricted Stock Unit · traded 16 February 2021 · filed 17 February 2021
- exercised options over 695 shares of Mks Instruments (a derivative holding)SEC Form 417 February 2021Restricted Stock Unit · traded 16 February 2021 · filed 17 February 2021
- exercised options over 1,001 shares of Mks InstrumentsSEC Form 417 February 2021Common Stock · traded 16 February 2021 · filed 17 February 2021
- exercised options over 695 shares of Mks InstrumentsSEC Form 417 February 2021Common Stock · traded 16 February 2021 · filed 17 February 2021
- had shares withheld for tax on 498 shares of Mks InstrumentsSEC Form 417 February 2021Common Stock · traded 16 February 2021 · filed 17 February 2021
- exercised options over 1,433 shares of Mks Instruments (a derivative holding)SEC Form 417 September 2020Restricted Stock Unit · traded 16 September 2020 · filed 17 September 2020
- exercised options over 1,433 shares of Mks InstrumentsSEC Form 417 September 2020Common Stock · traded 16 September 2020 · filed 17 September 2020
- had shares withheld for tax on 421 shares of Mks InstrumentsSEC Form 417 September 2020Common Stock · traded 16 September 2020 · filed 17 September 2020
- was granted 2,086 shares of Mks Instruments (a derivative holding)SEC Form 419 February 2020Restricted Stock Unit · traded 18 February 2020 · filed 19 February 2020
Positions come from the unitedstates/congress-legislators roster, the Office of Government Ethics and the SEC’s Form 4 index. Every disclosed line names its own source and links the document the government published; we print what the filing says and never a price we did not read from it. Headlines and links come from the GDELT Global Knowledge Graph — the story stays with the publisher. The portrait, where we have one, is the public-domain Congressional Bioguide photograph.