Harrison Miles

Director · CSTL

As of 2026-09-16, Harrison Miles has 8 Form 4 transactions on record across 1 company — 4 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: $417KIndirect: $0$417Kas of 2026-09-16
  • Direct $417K
  • Indirect $0
CSTLdirect11,766 sh$417K

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

CSTL · 8 trades
2026-05-28: Award / grant, 11,766 sh ($0)2026-05-22: Option exercise, 13,667 sh ($0)2026-05-22: Option exercise, 13,667 sh2026-05-22: Option exercise, 13,667 sh2025-05-22: Award / grant, 13,667 sh ($0)2025-05-21: Option exercise, 8,673 sh ($0)2025-05-21: Option exercise, 8,673 sh2025-05-21: Option exercise, 8,673 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-28CSTLAward / grant11,76611,766Form 4
2026-05-22CSTLOption exercise13,6670Form 4
2026-05-22CSTLOption exercise13,66735,631Form 4
2026-05-22CSTLOption exercise13,66735,631Form 4
2025-05-22CSTLAward / grant13,66713,667Form 4
2025-05-21CSTLOption exercise8,6730Form 4
2025-05-21CSTLOption exercise8,67321,964Form 4
2025-05-21CSTLOption exercise8,67321,964Form 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.