Bartko Eric J.

Officer · MUSA

As of 2026-09-16, Bartko Eric J. has 12 Form 4 transactions on record across 1 company — 12 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: $129KIndirect: $0$129Kas of 2026-09-16
  • Direct $129K
  • Indirect $0
MUSAdirect252 sh$129K

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 · 12 trades
2026-09-03: Sale, 100 sh ($52K)2026-02-13: Sale, 345 sh ($140K)2026-02-11: Withheld for tax, 228 sh ($83K)2026-02-11: Award / grant, 454 sh ($0)2026-02-11: Option exercise, 502 sh ($0)2026-02-11: Award / grant, 749 sh ($0)2026-02-11: Award / grant, 227 sh ($0)2026-02-11: Award / grant, 1,226 sh ($0)2026-02-11: Option exercise, 300 sh ($0)2026-02-06: Withheld for tax, 75 sh ($30K)2026-02-06: Option exercise, 153 sh ($0)2026-02-06: Option exercise, 153 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-03MUSASale100 @ $523.60$52K−28.4% of holding252Form 4
2026-02-13MUSASale345 @ $404.84$140K−49.5% of holding352Form 4
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-11MUSAWithheld for tax228697Form 4
2026-02-11MUSAAward / grant4541,354Form 4
2026-02-11MUSAOption exercise502925Form 4
2026-02-11MUSAAward / grant749749Form 4
2026-02-11MUSAAward / grant227529Form 4
2026-02-11MUSAAward / grant1,2261,755Form 4
2026-02-11MUSAOption exercise3001,054Form 4
2026-02-06MUSAWithheld for tax75423Form 4
2026-02-06MUSAOption exercise153498Form 4
2026-02-06MUSAOption exercise153302Form 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.