Whitney David M

Officer · MGRC

As of 2026-09-16, Whitney David M has 47 Form 4 transactions on record across 1 company — 22 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.

Pattern in the record: open-market sales filed in June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $805KIndirect: $727K$1.5Mas of 2026-09-16
  • Direct $805K
  • Indirect $727K
MGRCdirect7,236 sh$805K
MGRCindirect6,533 sh$727K

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 · 47 trades
2026-06-10: Sale, 3,783 sh ($430K)2026-05-15: Sale, 539 sh ($62K)2026-03-31: Award / grant, 2,265 sh ($0)2026-03-12: Other acquisition, 5,966 sh ($620K)2026-02-27: Award / grant, 2,700 sh ($0)2026-02-27: Award / grant, 1,170 sh ($0)2026-02-24: Withheld for tax, 1,582 sh ($181K)2026-02-24: Withheld for tax, 1,109 sh ($127K)2026-02-24: Option exercise, 2,436 sh ($0)2026-02-24: Option exercise, 354 sh ($0)2026-02-24: Option exercise, 511 sh ($0)2026-02-24: Option exercise, 511 sh ($0)2026-02-24: Option exercise, 1,060 sh ($0)2026-02-24: Option exercise, 1,688 sh ($0)2026-02-24: Option exercise, 354 sh ($0)2026-02-24: Option exercise, 1,530 sh ($0)2026-02-23: Withheld for tax, 837 sh ($95K)2026-02-23: Withheld for tax, 532 sh ($60K)2026-02-23: Option exercise, 587 sh ($0)2026-02-23: Option exercise, 587 sh ($0)2026-02-23: Option exercise, 933 sh ($0)2026-02-23: Option exercise, 933 sh ($0)2025-06-06: Sale, 1,860 sh ($212K)2025-06-06: Sale, 361 sh ($42K)2025-06-04: Sale, 500 sh ($58K)2025-02-25: Withheld for tax, 1,963 sh ($246K)2025-02-25: Withheld for tax, 1,464 sh ($183K)2025-02-25: Option exercise, 1,170 sh ($0)2025-02-25: Option exercise, 524 sh ($0)2025-02-25: Option exercise, 391 sh ($0)2025-02-25: Option exercise, 2,340 sh ($0)2025-02-25: Option exercise, 1,570 sh ($0)2025-02-25: Option exercise, 524 sh ($0)2025-02-25: Option exercise, 3,140 sh ($0)2025-02-25: Option exercise, 391 sh ($0)2025-02-24: Withheld for tax, 806 sh ($101K)2025-02-24: Withheld for tax, 538 sh ($68K)2025-02-24: Option exercise, 353 sh ($0)2025-02-24: Option exercise, 510 sh ($0)2025-02-24: Option exercise, 933 sh ($0)2025-02-24: Option exercise, 353 sh ($0)2025-02-24: Option exercise, 586 sh ($0)2025-02-24: Option exercise, 510 sh ($0)2025-02-24: Option exercise, 933 sh ($0)2025-02-24: Option exercise, 586 sh ($0)2025-02-21: Award / grant, 940 sh ($0)2025-02-21: Award / grant, 1,570 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-10MGRCSale3,783 @ $113.65$430K−36.7% of holding6,533Form 4
2026-05-15MGRCSale539 @ $115.00$62K−5.0% of holding10,316Form 4
2025-06-06MGRCSale1,860 @ $114.05$212K−20.9% of holding7,055Form 4
2025-06-06MGRCSale361 @ $115.02$42K−5.1% of holding6,694Form 4
2025-06-04MGRCSale500 @ $116.01$58K−5.3% of holding8,915Form 4
42 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-31MGRCAward / grant2,2657,236Form 4
2026-03-12MGRCOther acquisition5,9667,334Form 4
2026-02-27MGRCAward / grant2,70010,855Form 4
2026-02-27MGRCAward / grant1,1704,971Form 4
2026-02-24MGRCWithheld for tax1,5828,155Form 4
2026-02-24MGRCWithheld for tax1,1093,801Form 4
2026-02-24MGRCOption exercise2,4369,737Form 4
2026-02-24MGRCOption exercise3540Form 4
2026-02-24MGRCOption exercise5117,301Form 4
2026-02-24MGRCOption exercise5110Form 4
2026-02-24MGRCOption exercise1,0600Form 4
2026-02-24MGRCOption exercise1,6884,910Form 4
2026-02-24MGRCOption exercise3543,222Form 4
2026-02-24MGRCOption exercise1,5300Form 4
2026-02-23MGRCWithheld for tax8376,790Form 4
2026-02-23MGRCWithheld for tax5322,868Form 4
2026-02-23MGRCOption exercise5873,400Form 4
2026-02-23MGRCOption exercise587587Form 4
2026-02-23MGRCOption exercise9337,627Form 4
2026-02-23MGRCOption exercise933934Form 4
2025-02-25MGRCWithheld for tax1,9639,415Form 4
2025-02-25MGRCWithheld for tax1,4642,813Form 4
2025-02-25MGRCOption exercise1,1700Form 4
2025-02-25MGRCOption exercise5240Form 4
2025-02-25MGRCOption exercise3910Form 4
2025-02-25MGRCOption exercise2,3403,886Form 4
2025-02-25MGRCOption exercise1,5700Form 4
2025-02-25MGRCOption exercise52411,648Form 4
2025-02-25MGRCOption exercise3,1407,714Form 4
2025-02-25MGRCOption exercise3914,277Form 4
2025-02-24MGRCWithheld for tax8067,714Form 4
2025-02-24MGRCWithheld for tax5381,546Form 4
2025-02-24MGRCOption exercise3532,084Form 4
2025-02-24MGRCOption exercise510511Form 4
2025-02-24MGRCOption exercise9331,867Form 4
2025-02-24MGRCOption exercise353354Form 4
2025-02-24MGRCOption exercise5861,174Form 4
2025-02-24MGRCOption exercise5108,520Form 4
2025-02-24MGRCOption exercise9338,010Form 4
2025-02-24MGRCOption exercise5861,731Form 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.