Lieffrig John

Officer · MGRC

As of 2026-09-16, Lieffrig John has 22 Form 4 transactions on record across 1 company — 11 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: $2.6MIndirect: $0$2.6Mas of 2026-09-16
  • Direct $2.6M
  • Indirect $0
MGRCdirect23,551 sh$2.6M

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

MGRC · 22 trades
2026-06-26: Sale, 500 sh ($63K)2026-06-25: Sale, 2,000 sh ($250K)2026-02-27: Award / grant, 1,530 sh ($0)2026-02-24: Withheld for tax, 706 sh ($81K)2026-02-24: Option exercise, 417 sh ($0)2026-02-24: Option exercise, 1,250 sh ($0)2026-02-24: Option exercise, 417 sh ($0)2026-02-24: Option exercise, 1,990 sh ($0)2026-02-23: Withheld for tax, 421 sh ($48K)2026-02-23: Option exercise, 800 sh ($0)2026-02-23: Option exercise, 800 sh ($0)2025-02-25: Withheld for tax, 945 sh ($118K)2025-02-25: Option exercise, 1,380 sh ($0)2025-02-25: Option exercise, 461 sh ($0)2025-02-25: Option exercise, 2,760 sh ($0)2025-02-25: Option exercise, 461 sh ($0)2025-02-24: Withheld for tax, 410 sh ($52K)2025-02-24: Option exercise, 417 sh ($0)2025-02-24: Option exercise, 799 sh ($0)2025-02-24: Option exercise, 417 sh ($0)2025-02-24: Option exercise, 799 sh ($0)2025-02-21: Award / grant, 1,260 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-26MGRCSale500 @ $125.00$63K−2.1% of holding23,551Form 4
2026-06-25MGRCSale2,000 @ $125.00$250K−7.7% of holding24,051Form 4
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-27MGRCAward / grant1,53026,051Form 4
2026-02-24MGRCWithheld for tax70624,521Form 4
2026-02-24MGRCOption exercise41723,237Form 4
2026-02-24MGRCOption exercise1,2500Form 4
2026-02-24MGRCOption exercise4170Form 4
2026-02-24MGRCOption exercise1,99025,227Form 4
2026-02-23MGRCWithheld for tax42122,820Form 4
2026-02-23MGRCOption exercise80023,241Form 4
2026-02-23MGRCOption exercise800801Form 4
2025-02-25MGRCWithheld for tax94522,441Form 4
2025-02-25MGRCOption exercise1,3800Form 4
2025-02-25MGRCOption exercise46123,386Form 4
2025-02-25MGRCOption exercise2,76022,925Form 4
2025-02-25MGRCOption exercise4610Form 4
2025-02-24MGRCWithheld for tax41020,165Form 4
2025-02-24MGRCOption exercise417417Form 4
2025-02-24MGRCOption exercise7991,601Form 4
2025-02-24MGRCOption exercise41720,575Form 4
2025-02-24MGRCOption exercise79920,158Form 4
2025-02-21MGRCAward / grant1,26019,359Form 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.