Schreiner James Alan

Officer · MKSI

As of 2026-09-16, Schreiner James Alan has 73 Form 4 transactions on record across 1 company — 36 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $4.5MIndirect: $0$4.5Mas of 2026-09-16
  • Direct $4.5M
  • Indirect $0
MKSIdirect19,201 sh$4.5M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MKSI · 73 trades
2026-06-12: Sale, 2,471 sh ($854K)2026-06-12: Sale, 812 sh ($281K)2026-06-12: Sale, 217 sh ($75K)2026-06-10: Sale, 781 sh ($248K)2026-02-24: Sale, 4,100 sh ($1.0M)2026-02-17: Withheld for tax, 4,344 sh ($1.1M)2026-02-17: Option exercise, 2,567 sh2026-02-17: Award / grant, 2,377 sh2026-02-17: Option exercise, 1,944 sh2026-02-17: Option exercise, 1,741 sh2026-02-17: Option exercise, 1,211 sh2026-02-17: Option exercise, 432 sh2026-02-17: Option exercise, 1,330 sh2026-02-17: Option exercise, 2,567 sh2026-02-17: Option exercise, 1,944 sh2026-02-17: Option exercise, 1,741 sh2026-02-17: Option exercise, 1,211 sh2026-02-17: Option exercise, 432 sh2026-02-17: Option exercise, 1,330 sh2026-02-17: Option exercise, 2,567 sh2026-02-17: Award / grant, 2,377 sh2026-02-17: Option exercise, 1,944 sh2026-02-17: Option exercise, 1,741 sh2026-02-17: Option exercise, 1,211 sh2026-02-17: Option exercise, 432 sh2026-02-17: Option exercise, 1,330 sh2026-02-17: Option exercise, 2,567 sh2026-02-17: Option exercise, 1,944 sh2026-02-17: Option exercise, 1,741 sh2026-02-17: Option exercise, 1,211 sh2026-02-17: Option exercise, 432 sh2026-02-17: Option exercise, 1,330 sh2026-02-08: Award / grant, 5,227 sh2026-02-08: Award / grant, 5,227 sh2025-10-22: Sale, 711 sh ($99K)2025-09-18: Sale, 838 sh ($104K)2025-08-18: Withheld for tax, 1,249 sh ($125K)2025-08-18: Option exercise, 2,641 sh2025-08-18: Option exercise, 2,641 sh2025-08-18: Option exercise, 2,641 sh2025-08-18: Option exercise, 2,641 sh2025-08-04: Award / grant, 1,330 sh2025-08-04: Award / grant, 1,330 sh2025-07-07: Sale, 957 sh ($98K)2025-02-18: Withheld for tax, 3,648 sh ($378K)2025-02-18: Option exercise, 2,566 sh2025-02-18: Option exercise, 1,173 sh2025-02-18: Option exercise, 1,630 sh2025-02-18: Award / grant, 4,504 sh2025-02-18: Option exercise, 1,211 sh2025-02-18: Option exercise, 432 sh2025-02-18: Option exercise, 1,329 sh2025-02-18: Option exercise, 2,566 sh2025-02-18: Option exercise, 1,173 sh2025-02-18: Option exercise, 1,630 sh2025-02-18: Option exercise, 2,566 sh2025-02-18: Option exercise, 1,173 sh2025-02-18: Option exercise, 1,630 sh2025-02-18: Award / grant, 4,504 sh2025-02-18: Option exercise, 1,211 sh2025-02-18: Option exercise, 432 sh2025-02-18: Option exercise, 1,329 sh2025-02-18: Option exercise, 2,566 sh2025-02-18: Option exercise, 1,173 sh2025-02-18: Option exercise, 1,630 sh2025-02-18: Option exercise, 1,211 sh2025-02-18: Option exercise, 1,329 sh2025-02-18: Option exercise, 432 sh2025-02-18: Option exercise, 1,211 sh2025-02-18: Option exercise, 432 sh2025-02-18: Option exercise, 1,329 sh2025-02-10: Award / grant, 1,297 sh2025-02-10: Award / grant, 1,297 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-12MKSISale2,471 @ $345.52$854K−10.9% of holding20,230Form 4
2026-06-12MKSISale812 @ $346.41$281K−4.0% of holding19,418Form 4
2026-06-12MKSISale217 @ $347.00$75K−1.1% of holding19,201Form 4
2026-06-10MKSISale781 @ $317.42$248K−3.3% of holding22,701Form 4
2026-02-24MKSISale4,100 @ $255.00$1.0M−14.9% of holding23,402Form 4
2025-10-22MKSISale711 @ $138.68$99K−3.1% of holding22,535Form 4
2025-09-18MKSISale838 @ $124.00$104K−3.5% of holding23,246Form 4
2025-07-07MKSISale957 @ $102.44$98K−4.0% of holding22,692Form 4
65 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-17MKSIWithheld for tax4,34427,502Form 4
2026-02-17MKSIOption exercise2,56718,055Form 4
2026-02-17MKSIAward / grant2,37720,622Form 4
2026-02-17MKSIOption exercise1,94431,846Form 4
2026-02-17MKSIOption exercise1,74129,902Form 4
2026-02-17MKSIOption exercise1,21128,161Form 4
2026-02-17MKSIOption exercise43226,950Form 4
2026-02-17MKSIOption exercise1,33026,517Form 4
2026-02-17MKSIOption exercise2,56725,187Form 4
2026-02-17MKSIOption exercise1,94411,396Form 4
2026-02-17MKSIOption exercise1,74113,340Form 4
2026-02-17MKSIOption exercise1,21115,081Form 4
2026-02-17MKSIOption exercise43216,292Form 4
2026-02-17MKSIOption exercise1,33016,725Form 4
2026-02-17MKSIOption exercise2,56718,055Form 4
2026-02-17MKSIAward / grant2,37720,622Form 4
2026-02-17MKSIOption exercise1,94431,846Form 4
2026-02-17MKSIOption exercise1,74129,902Form 4
2026-02-17MKSIOption exercise1,21128,161Form 4
2026-02-17MKSIOption exercise43226,950Form 4
2026-02-17MKSIOption exercise1,33026,517Form 4
2026-02-17MKSIOption exercise2,56725,187Form 4
2026-02-17MKSIOption exercise1,94411,396Form 4
2026-02-17MKSIOption exercise1,74113,340Form 4
2026-02-17MKSIOption exercise1,21115,081Form 4
2026-02-17MKSIOption exercise43216,292Form 4
2026-02-17MKSIOption exercise1,33016,725Form 4
2026-02-08MKSIAward / grant5,22718,245Form 4
2026-02-08MKSIAward / grant5,22718,245Form 4
2025-08-18MKSIWithheld for tax1,24924,084Form 4
2025-08-18MKSIOption exercise2,64113,018Form 4
2025-08-18MKSIOption exercise2,64125,333Form 4
2025-08-18MKSIOption exercise2,64113,018Form 4
2025-08-18MKSIOption exercise2,64125,333Form 4
2025-08-04MKSIAward / grant1,33015,659Form 4
2025-08-04MKSIAward / grant1,33015,659Form 4
2025-02-18MKSIWithheld for tax3,64823,497Form 4
2025-02-18MKSIOption exercise2,56617,301Form 4
2025-02-18MKSIOption exercise1,17319,867Form 4
2025-02-18MKSIOption exercise1,63021,040Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.