Halpin Michael

Officer · VCEL

As of 2026-09-16, Halpin Michael has 55 Form 4 transactions on record across 1 company — 34 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 March in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.1MIndirect: $0$1.1Mas of 2026-09-16
  • Direct $1.1M
  • Indirect $0
VCELdirect26,250 sh$1.1M

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

VCEL · 55 trades
2026-08-03: Sale, 10,000 sh ($468K)2026-08-03: Option exercise, 10,000 sh ($167K)2026-08-03: Option exercise, 10,000 sh ($0)2026-06-18: Sale, 10,000 sh ($402K)2026-06-18: Option exercise, 10,000 sh ($167K)2026-06-18: Option exercise, 10,000 sh ($0)2026-03-02: Sale, 10,305 sh ($364K)2026-02-24: Withheld for tax, 2,486 sh ($95K)2026-02-24: Withheld for tax, 2,486 sh ($95K)2026-02-24: Option exercise, 5,250 sh ($0)2026-02-24: Option exercise, 5,250 sh ($0)2026-02-24: Option exercise, 5,250 sh2026-02-24: Option exercise, 5,250 sh2026-02-24: Option exercise, 5,250 sh2026-02-24: Option exercise, 5,250 sh2026-02-19: Award / grant, 21,000 sh ($0)2026-02-19: Award / grant, 52,500 sh ($0)2026-02-18: Withheld for tax, 2,486 sh ($92K)2026-02-18: Withheld for tax, 1,812 sh ($68K)2026-02-18: Option exercise, 5,250 sh ($0)2026-02-18: Option exercise, 3,825 sh ($0)2026-02-18: Option exercise, 5,250 sh2026-02-18: Option exercise, 5,250 sh2026-02-18: Option exercise, 3,825 sh2026-02-18: Option exercise, 3,825 sh2026-01-07: Sale, 10,000 sh ($405K)2026-01-07: Option exercise, 10,000 sh ($167K)2026-01-07: Option exercise, 10,000 sh ($0)2025-11-11: Sale, 2,642 sh ($107K)2025-11-11: Option exercise, 2,642 sh ($44K)2025-11-11: Option exercise, 2,642 sh ($0)2025-11-06: Sale, 7,358 sh ($298K)2025-11-06: Option exercise, 7,358 sh ($123K)2025-11-06: Option exercise, 7,358 sh ($0)2025-03-03: Sale, 10,000 sh ($495K)2025-03-03: Option exercise, 10,000 sh ($167K)2025-03-03: Option exercise, 10,000 sh ($0)2025-02-24: Withheld for tax, 2,486 sh ($130K)2025-02-24: Option exercise, 5,250 sh ($0)2025-02-24: Option exercise, 5,250 sh2025-02-24: Option exercise, 5,250 sh2025-02-20: Award / grant, 21,000 sh ($0)2025-02-20: Award / grant, 52,500 sh ($0)2025-02-19: Withheld for tax, 1,332 sh ($77K)2025-02-19: Option exercise, 2,813 sh ($0)2025-02-19: Option exercise, 2,813 sh2025-02-19: Option exercise, 2,813 sh2025-02-18: Withheld for tax, 2,577 sh ($148K)2025-02-18: Withheld for tax, 1,812 sh ($104K)2025-02-18: Option exercise, 5,250 sh ($0)2025-02-18: Option exercise, 3,825 sh ($0)2025-02-18: Option exercise, 3,825 sh2025-02-18: Option exercise, 3,825 sh2025-02-18: Option exercise, 5,250 sh2025-02-18: Option exercise, 5,250 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03VCELSale10,000 @ $46.84$468K−37.9% of holding16,394Form 4
2026-06-18VCELSale10,000 @ $40.24$402K−38.1% of holding16,248Form 4
2026-03-02VCELSale10,305 @ $35.30$364K−39.1% of holding16,080Form 4
2026-01-07VCELSale10,000 @ $40.48$405K−38.3% of holding16,080Form 4
2025-11-11VCELSale2,642 @ $40.41$107K−14.2% of holding15,932Form 4
2025-11-06VCELSale7,358 @ $40.47$298K−31.6% of holding15,932Form 4
2025-03-03VCELSale10,000 @ $49.52$495K−39.2% of holding15,539Form 4
48 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-03VCELOption exercise10,00026,394Form 4
2026-08-03VCELOption exercise10,00026,250Form 4
2026-06-18VCELOption exercise10,00026,248Form 4
2026-06-18VCELOption exercise10,00036,250Form 4
2026-02-24VCELWithheld for tax2,48626,385Form 4
2026-02-24VCELWithheld for tax2,48623,621Form 4
2026-02-24VCELOption exercise5,25028,871Form 4
2026-02-24VCELOption exercise5,25026,107Form 4
2026-02-24VCELOption exercise5,25015,750Form 4
2026-02-24VCELOption exercise5,25010,500Form 4
2026-02-24VCELOption exercise5,25015,750Form 4
2026-02-24VCELOption exercise5,25010,500Form 4
2026-02-19VCELAward / grant21,00021,000Form 4
2026-02-19VCELAward / grant52,50052,500Form 4
2026-02-18VCELWithheld for tax2,48618,844Form 4
2026-02-18VCELWithheld for tax1,81220,857Form 4
2026-02-18VCELOption exercise5,25021,330Form 4
2026-02-18VCELOption exercise3,82522,669Form 4
2026-02-18VCELOption exercise5,2505,250Form 4
2026-02-18VCELOption exercise5,2505,250Form 4
2026-02-18VCELOption exercise3,8250Form 4
2026-02-18VCELOption exercise3,8250Form 4
2026-01-07VCELOption exercise10,00026,080Form 4
2026-01-07VCELOption exercise10,00046,250Form 4
2025-11-11VCELOption exercise2,64218,574Form 4
2025-11-11VCELOption exercise2,64256,250Form 4
2025-11-06VCELOption exercise7,35823,290Form 4
2025-11-06VCELOption exercise7,35858,892Form 4
2025-03-03VCELOption exercise10,00025,359Form 4
2025-03-03VCELOption exercise10,00066,250Form 4
2025-02-24VCELWithheld for tax2,48615,539Form 4
2025-02-24VCELOption exercise5,25018,025Form 4
2025-02-24VCELOption exercise5,25015,750Form 4
2025-02-24VCELOption exercise5,25015,750Form 4
2025-02-20VCELAward / grant21,00021,000Form 4
2025-02-20VCELAward / grant52,50052,500Form 4
2025-02-19VCELWithheld for tax1,33212,775Form 4
2025-02-19VCELOption exercise2,81314,107Form 4
2025-02-19VCELOption exercise2,8130Form 4
2025-02-19VCELOption exercise2,8130Form 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.