O SULLIVAN MICHAEL B

Director · Officer · BURL

As of 2026-09-17, O SULLIVAN MICHAEL B has 14 Form 4 transactions on record across 1 company — 7 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: $41.5MIndirect: $0$41.5Mas of 2026-09-17
  • Direct $41.5M
  • Indirect $0
BURLdirect173,235 sh$41.5M

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

BURL · 14 trades
2026-05-04: Withheld for tax, 1,305 sh ($404K)2026-05-01: Withheld for tax, 1,888 sh ($600K)2026-05-01: Withheld for tax, 1,677 sh ($533K)2026-05-01: Withheld for tax, 1,553 sh ($494K)2026-05-01: Award / grant, 12,292 sh ($0)2026-03-23: Withheld for tax, 24,376 sh ($0)2026-02-17: Award / grant, 54,768 sh ($0)2025-05-05: Withheld for tax, 739 sh ($175K)2025-05-02: Withheld for tax, 1,306 sh ($308K)2025-05-01: Withheld for tax, 1,676 sh ($382K)2025-05-01: Withheld for tax, 1,553 sh ($354K)2025-05-01: Award / grant, 16,645 sh ($0)2025-03-21: Withheld for tax, 12,748 sh ($0)2025-02-18: Award / grant, 30,617 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-04BURLWithheld for tax1,305173,235Form 4
2026-05-01BURLWithheld for tax1,888174,540Form 4
2026-05-01BURLWithheld for tax1,677176,428Form 4
2026-05-01BURLWithheld for tax1,553178,105Form 4
2026-05-01BURLAward / grant12,292179,658Form 4
2026-03-23BURLWithheld for tax24,376167,366Form 4
2026-02-17BURLAward / grant54,768191,742Form 4
2025-05-05BURLWithheld for tax739136,974Form 4
2025-05-02BURLWithheld for tax1,306137,713Form 4
2025-05-01BURLWithheld for tax1,676139,019Form 4
2025-05-01BURLWithheld for tax1,553140,695Form 4
2025-05-01BURLAward / grant16,645142,248Form 4
2025-03-21BURLWithheld for tax12,748125,603Form 4
2025-02-18BURLAward / grant30,617138,351Form 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.