SLARK MARTIN P

Director · NTRS, HUBG

As of 2026-09-16, SLARK MARTIN P has 15 Form 4 transactions on record across 2 companies — 8 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: $12.0MIndirect: $0$12.0Mas of 2026-09-16
  • Direct $12.0M
  • Indirect $0
HUBGdirect243,050 sh$8.0M
NTRSdirect22,397 sh$4.0M

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

NTRS · 11 trades
2026-07-01: Award / grant, 62 sh ($11K)2026-04-21: Award / grant, 35 sh ($6K)2026-04-21: Award / grant, 989 sh ($0)2026-04-01: Award / grant, 65 sh ($9K)2026-01-01: Award / grant, 67 sh ($9K)2025-10-01: Award / grant, 69 sh ($9K)2025-07-01: Award / grant, 66 sh ($8K)2025-04-22: Award / grant, 61 sh ($5K)2025-04-22: Award / grant, 1,902 sh ($0)2025-04-01: Award / grant, 72 sh ($7K)2025-01-01: Award / grant, 68 sh ($7K)
HUBG · 4 trades
2026-01-02: Withheld for tax, 1,695 sh ($72K)2026-01-02: Award / grant, 4,679 sh ($0)2025-01-03: Withheld for tax, 1,592 sh ($70K)2025-01-03: Award / grant, 4,528 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
15 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01NTRSAward / grant6222,397Form 4
2026-04-21NTRSAward / grant3521,346Form 4
2026-04-21NTRSAward / grant98922,335Form 4
2026-04-01NTRSAward / grant6521,312Form 4
2026-01-02HUBGWithheld for tax1,695238,371Form 4
2026-01-02HUBGAward / grant4,679243,050Form 4
2026-01-01NTRSAward / grant6721,246Form 4
2025-10-01NTRSAward / grant6921,179Form 4
2025-07-01NTRSAward / grant6621,110Form 4
2025-04-22NTRSAward / grant6119,142Form 4
2025-04-22NTRSAward / grant1,90221,044Form 4
2025-04-01NTRSAward / grant7219,080Form 4
2025-01-03HUBGWithheld for tax1,592235,538Form 4
2025-01-03HUBGAward / grant4,528240,066Form 4
2025-01-01NTRSAward / grant6819,009Form 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.