CHUMLEY ROBERT J

Officer · MUSA

As of 2026-09-16, CHUMLEY ROBERT J has 26 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: $3.1MIndirect: $0$3.1Mas of 2026-09-16
  • Direct $3.1M
  • Indirect $0
MUSAdirect6,008 sh$3.1M

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

MUSA · 26 trades
2026-03-05: Sale, 5,038 sh ($2.1M)2026-02-11: Withheld for tax, 798 sh ($290K)2026-02-11: Award / grant, 1,226 sh ($0)2026-02-11: Award / grant, 399 sh ($0)2026-02-11: Award / grant, 797 sh ($0)2026-02-11: Award / grant, 1,315 sh ($0)2026-02-11: Option exercise, 1,843 sh ($0)2026-02-11: Option exercise, 1,100 sh ($0)2026-02-06: Withheld for tax, 258 sh ($103K)2026-02-06: Option exercise, 558 sh ($0)2026-02-06: Option exercise, 558 sh ($0)2025-03-04: Withheld for tax, 1,700 sh ($790K)2025-03-04: Withheld for tax, 642 sh ($298K)2025-03-04: Option exercise, 2,600 sh ($0)2025-03-04: Option exercise, 2,600 sh ($0)2025-03-04: Option exercise, 850 sh ($0)2025-03-04: Option exercise, 850 sh ($0)2025-02-12: Award / grant, 1,000 sh ($0)2025-02-12: Option exercise, 1,500 sh ($0)2025-02-12: Withheld for tax, 1,316 sh ($0)2025-02-12: Option exercise, 3,042 sh ($0)2025-02-12: Award / grant, 600 sh ($0)2025-02-12: Award / grant, 300 sh ($0)2025-02-07: Withheld for tax, 342 sh ($171K)2025-02-07: Option exercise, 761 sh ($0)2025-02-07: Option exercise, 761 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-05MUSASale5,038 @ $420.00$2.1M−45.6% of holding6,008Form 4
25 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-11MUSAWithheld for tax79811,046Form 4
2026-02-11MUSAAward / grant1,2262,381Form 4
2026-02-11MUSAAward / grant3991,155Form 4
2026-02-11MUSAAward / grant7973,397Form 4
2026-02-11MUSAAward / grant1,3151,315Form 4
2026-02-11MUSAOption exercise1,84311,844Form 4
2026-02-11MUSAOption exercise1,1002,297Form 4
2026-02-06MUSAWithheld for tax25810,001Form 4
2026-02-06MUSAOption exercise558756Form 4
2026-02-06MUSAOption exercise55810,259Form 4
2025-03-04MUSAWithheld for tax1,7009,493Form 4
2025-03-04MUSAWithheld for tax6429,701Form 4
2025-03-04MUSAOption exercise2,6000Form 4
2025-03-04MUSAOption exercise2,60011,193Form 4
2025-03-04MUSAOption exercise85010,343Form 4
2025-03-04MUSAOption exercise850850Form 4
2025-02-12MUSAAward / grant1,0001,000Form 4
2025-02-12MUSAOption exercise1,5002,600Form 4
2025-02-12MUSAWithheld for tax1,3168,593Form 4
2025-02-12MUSAOption exercise3,0429,909Form 4
2025-02-12MUSAAward / grant6004,100Form 4
2025-02-12MUSAAward / grant3001,300Form 4
2025-02-07MUSAWithheld for tax3426,867Form 4
2025-02-07MUSAOption exercise7611,000Form 4
2025-02-07MUSAOption exercise7617,209Form 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.