Sohn Catherine A.

Director · ALT, MAZE

As of 2026-09-27, Sohn Catherine A. has 17 Form 4 transactions on record across 2 companies — 12 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: $301KIndirect: $0$301Kas of 2026-09-27
  • Direct $301K
  • Indirect $0
MAZEdirect5,805 sh$151K
ALTdirect48,800 sh$149K

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

MAZE · 11 trades
2026-01-07: Sale, 26,920 sh ($1.1M)2026-01-07: Option exercise, 20,744 sh ($216K)2026-01-07: Option exercise, 3,281 sh ($34K)2026-01-07: Option exercise, 2,895 sh ($30K)2026-01-07: Option exercise, 2,895 sh ($0)2026-01-07: Option exercise, 20,744 sh ($0)2026-01-07: Option exercise, 3,281 sh ($0)2026-01-06: Sale, 2,493 sh ($96K)2026-01-06: Option exercise, 2,493 sh ($26K)2026-01-06: Option exercise, 2,493 sh ($0)2025-09-22: Award / grant, 18,000 sh ($0)
ALT · 6 trades
2026-05-01: Award / grant, 48,800 sh ($0)2026-01-05: Purchase, 500 sh ($2K)2025-09-25: Award / grant, 48,800 sh ($0)2025-03-17: Purchase, 1,000 sh ($6K)2025-02-06: Award / grant, 18,600 sh ($0)2024-09-26: Award / grant, 34,900 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-01-07MAZESale26,920 @ $39.11$1.1M−100.0% of holding0Form 4
2026-01-06MAZESale2,493 @ $38.62$96K−100.0% of holding0Form 4
2026-01-05ALTPurchase500 @ $4.24$2K+50.0% of holding1,500Form 4
2025-03-17ALTPurchase1,000 @ $5.78$6Kownership Δ n/a1,000Form 4
13 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-01ALTAward / grant48,80048,800Form 4
2026-01-07MAZEOption exercise20,74420,744Form 4
2026-01-07MAZEOption exercise3,28126,920Form 4
2026-01-07MAZEOption exercise2,89523,639Form 4
2026-01-07MAZEOption exercise2,895316Form 4
2026-01-07MAZEOption exercise20,7440Form 4
2026-01-07MAZEOption exercise3,2815,805Form 4
2026-01-06MAZEOption exercise2,4932,493Form 4
2026-01-06MAZEOption exercise2,4933,211Form 4
2025-09-25ALTAward / grant48,80048,800Form 4
2025-09-22MAZEAward / grant18,00018,000Form 4
2025-02-06ALTAward / grant18,60018,600Form 4
2024-09-26ALTAward / grant34,90034,900Form 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.