LEVIN ARTHUR A

Director · STOK, RNAM, RNA

As of 2026-09-16, LEVIN ARTHUR A has 34 Form 4 transactions on record across 3 companies — 22 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.

Pattern in the record: open-market sales filed in January in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $654KIndirect: $0$654Kas of 2026-09-16
  • Direct $654K
  • Indirect $0
STOKdirect17,786 sh$496K
RNAdirect16,562 sh$157K

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

RNAM · 14 trades
2026-02-27: Disposition, 115,500 sh2026-02-27: Disposition, 144,000 sh2026-02-27: Disposition, 13,489 sh2026-02-27: Disposition, 10,034 sh2026-02-27: Disposition, 131,372 sh2026-02-27: Disposition, 16,562 sh2026-02-27: Disposition, 12,500 sh2026-02-27: Disposition, 115,500 sh2026-02-27: Disposition, 144,000 sh2026-02-27: Disposition, 13,489 sh2026-02-27: Disposition, 10,034 sh2026-02-27: Disposition, 16,562 sh2026-02-27: Disposition, 131,372 sh2026-02-27: Disposition, 12,500 sh
STOK · 12 trades
2026-06-03: Award / grant, 17,786 sh ($0)2026-03-13: Sale, 605 sh ($22K)2025-12-31: Option exercise, 1,211 sh ($0)2025-12-31: Option exercise, 1,211 sh ($0)2025-09-30: Option exercise, 1,211 sh ($0)2025-09-30: Option exercise, 1,211 sh ($0)2025-06-30: Option exercise, 1,210 sh ($0)2025-06-30: Option exercise, 1,210 sh ($0)2025-06-03: Award / grant, 29,747 sh ($0)2025-03-31: Option exercise, 1,210 sh ($0)2025-03-31: Option exercise, 1,210 sh ($0)2025-03-19: Award / grant, 4,842 sh ($0)
RNA · 8 trades
2026-01-21: Sale, 1,758 sh ($127K)2025-12-19: Gift, 1,330 sh ($0)2025-08-06: Sale, 107,500 sh ($5.1M)2025-08-06: Option exercise, 107,500 sh ($2.4M)2025-08-06: Option exercise, 107,500 sh ($0)2025-06-10: Award / grant, 6,692 sh ($0)2025-06-10: Award / grant, 10,034 sh ($0)2025-01-21: Sale, 1,872 sh ($54K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-13STOKSale605 @ $36.80$22K−12.5% of holding4,237Form 4
2026-01-21RNASale1,758 @ $72.45$127K−9.6% of holding16,562Form 4
2025-08-06RNASale107,500 @ $47.62$5.1M−84.5% of holding19,650Form 4
2025-01-21RNASale1,872 @ $28.60$54K−12.6% of holding12,958Form 4
30 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-03STOKAward / grant17,78617,786Form 4
2026-02-27RNAMDisposition115,5000Form 4
2026-02-27RNAMDisposition144,0000Form 4
2026-02-27RNAMDisposition13,4890Form 4
2026-02-27RNAMDisposition10,0340Form 4
2026-02-27RNAMDisposition131,3720Form 4
2026-02-27RNAMDisposition16,5620Form 4
2026-02-27RNAMDisposition12,5000Form 4
2026-02-27RNAMDisposition115,5000Form 4
2026-02-27RNAMDisposition144,0000Form 4
2026-02-27RNAMDisposition13,4890Form 4
2026-02-27RNAMDisposition10,0340Form 4
2026-02-27RNAMDisposition16,5620Form 4
2026-02-27RNAMDisposition131,3720Form 4
2026-02-27RNAMDisposition12,5000Form 4
2025-12-31STOKOption exercise1,2110Form 4
2025-12-31STOKOption exercise1,2114,842Form 4
2025-12-19RNAGift1,33018,320Form 4
2025-09-30STOKOption exercise1,2111,211Form 4
2025-09-30STOKOption exercise1,2113,631Form 4
2025-08-06RNAOption exercise107,500127,150Form 4
2025-08-06RNAOption exercise107,50012,500Form 4
2025-06-30STOKOption exercise1,2102,422Form 4
2025-06-30STOKOption exercise1,2102,420Form 4
2025-06-10RNAAward / grant6,69219,650Form 4
2025-06-10RNAAward / grant10,03410,034Form 4
2025-06-03STOKAward / grant29,74729,747Form 4
2025-03-31STOKOption exercise1,2103,632Form 4
2025-03-31STOKOption exercise1,2101,210Form 4
2025-03-19STOKAward / grant4,8424,842Form 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.