Tarr Mark J

Director · Officer · EHC

As of 2026-09-16, Tarr Mark J has 28 Form 4 transactions on record across 1 company — 16 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: $33.2MIndirect: $0$33.2Mas of 2026-09-16
  • Direct $33.2M
  • Indirect $0
EHCdirect267,814 sh$33.2M

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

EHC · 28 trades
2026-08-10: Sale, 171,569 sh ($21.5M)2026-08-10: Sale, 1,579 sh ($199K)2026-03-02: Award / grant, 35,461 sh ($3.8M)2026-02-28: Withheld for tax, 2,187 sh ($236K)2026-02-23: Withheld for tax, 2,488 sh ($264K)2026-02-20: Withheld for tax, 1,797 sh ($191K)2026-02-19: Withheld for tax, 43,378 sh ($4.6M)2026-02-19: Award / grant, 12,796 sh ($0)2026-02-18: Award / grant, 100,946 sh ($0)2026-02-11: Sale, 87,745 sh ($9.9M)2026-02-11: Sale, 16,216 sh ($1.8M)2026-02-11: Sale, 15,584 sh ($1.7M)2026-02-11: Sale, 13,231 sh ($1.4M)2026-02-11: Sale, 10,954 sh ($1.2M)2026-02-11: Sale, 6,057 sh ($678K)2026-02-11: Sale, 213 sh ($24K)2025-05-20: Sale, 118,290 sh ($14.4M)2025-05-20: Option exercise, 62,078 sh ($2.8M)2025-05-20: Option exercise, 56,306 sh ($2.0M)2025-05-20: Sale, 94 sh ($11K)2025-05-20: Option exercise, 56,306 sh ($0)2025-05-20: Option exercise, 62,078 sh ($0)2025-03-04: Award / grant, 33,086 sh ($3.3M)2025-02-28: Withheld for tax, 2,187 sh ($219K)2025-02-25: Withheld for tax, 2,896 sh ($291K)2025-02-24: Withheld for tax, 2,488 sh ($243K)2025-02-20: Award / grant, 12,152 sh ($0)2025-01-01: Withheld for tax, 31,609 sh ($2.9M)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-10EHCSale171,569 @ $125.46$21.5M−38.9% of holding269,393Form 4
2026-08-10EHCSale1,579 @ $126.06$199K−0.6% of holding267,814Form 4
2026-02-11EHCSale87,745 @ $113.09$9.9M−18.9% of holding377,283Form 4
2026-02-11EHCSale16,216 @ $108.03$1.8M−3.1% of holding510,854Form 4
2026-02-11EHCSale15,584 @ $110.07$1.7M−3.1% of holding482,039Form 4
2026-02-11EHCSale13,231 @ $108.80$1.4M−2.6% of holding497,623Form 4
2026-02-11EHCSale10,954 @ $110.92$1.2M−2.3% of holding471,085Form 4
2026-02-11EHCSale6,057 @ $111.89$678K−1.3% of holding465,028Form 4
2026-02-11EHCSale213 @ $113.58$24K−0.1% of holding377,070Form 4
2025-05-20EHCSale118,290 @ $121.53$14.4M−18.3% of holding527,070Form 4
2025-05-20EHCSale94 @ $120.94$11K−0.0% of holding645,360Form 4
17 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-02EHCAward / grant35,46135,461Form 4
2026-02-28EHCWithheld for tax2,187440,962Form 4
2026-02-23EHCWithheld for tax2,488443,149Form 4
2026-02-20EHCWithheld for tax1,797445,637Form 4
2026-02-19EHCWithheld for tax43,378447,434Form 4
2026-02-19EHCAward / grant12,796490,812Form 4
2026-02-18EHCAward / grant100,946478,016Form 4
2025-05-20EHCOption exercise62,078645,454Form 4
2025-05-20EHCOption exercise56,306583,376Form 4
2025-05-20EHCOption exercise56,3060Form 4
2025-05-20EHCOption exercise62,0780Form 4
2025-03-04EHCAward / grant33,08633,086Form 4
2025-02-28EHCWithheld for tax2,187527,070Form 4
2025-02-25EHCWithheld for tax2,896529,257Form 4
2025-02-24EHCWithheld for tax2,488532,153Form 4
2025-02-20EHCAward / grant12,152534,641Form 4
2025-01-01EHCWithheld for tax31,609522,489Form 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.