Halpin Christopher

Officer · IAC

As of 2026-09-16, Halpin Christopher has 14 Form 4 transactions on record across 1 company — 10 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: $8.4MIndirect: $0$8.4Mas of 2026-09-16
  • Direct $8.4M
  • Indirect $0
IACdirect219,058 sh$8.4M

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

IAC · 14 trades
2026-02-09: Award / grant, 219,058 sh ($0)2026-02-08: Withheld for tax, 11,668 sh ($416K)2026-02-08: Option exercise, 22,855 sh ($0)2026-02-08: Option exercise, 22,855 sh ($0)2026-02-06: Withheld for tax, 43,361 sh ($1.5M)2026-02-06: Withheld for tax, 20,931 sh ($746K)2026-02-06: Option exercise, 40,716 sh ($0)2026-02-06: Option exercise, 84,937 sh ($0)2026-02-06: Option exercise, 84,937 sh ($0)2026-02-06: Option exercise, 40,716 sh ($0)2025-02-08: Withheld for tax, 27,766 sh ($1.2M)2025-02-08: Option exercise, 56,486 sh ($0)2025-02-08: Option exercise, 56,486 sh ($0)2025-02-06: Award / grant, 189,125 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-09IACAward / grant219,058219,058Form 4
2026-02-08IACWithheld for tax11,668137,757Form 4
2026-02-08IACOption exercise22,85522,855Form 4
2026-02-08IACOption exercise22,855149,425Form 4
2026-02-06IACWithheld for tax43,361126,570Form 4
2026-02-06IACWithheld for tax20,93184,994Form 4
2026-02-06IACOption exercise40,716105,925Form 4
2026-02-06IACOption exercise84,937169,931Form 4
2026-02-06IACOption exercise84,937144,623Form 4
2026-02-06IACOption exercise40,71640,716Form 4
2025-02-08IACWithheld for tax27,76665,209Form 4
2025-02-08IACOption exercise56,48692,975Form 4
2025-02-08IACOption exercise56,48637,658Form 4
2025-02-06IACAward / grant189,125189,125Form 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.