Matsuda Masaru

Officer · ARQT

As of 2026-09-16, Matsuda Masaru has 27 Form 4 transactions on record across 1 company — 19 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $3.0MIndirect: $0$3.0Mas of 2026-09-16
  • Direct $3.0M
  • Indirect $0
ARQTdirect116,182 sh$3.0M

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

ARQT · 27 trades
2026-09-08: Sale, 9,989 sh ($250K)2026-08-03: Sale, 1,230 sh ($32K)2026-05-04: Sale, 7,372 sh ($172K)2026-05-04: Sale, 884 sh ($21K)2026-03-02: Sale, 6,553 sh ($165K)2026-03-02: Sale, 1,987 sh ($51K)2026-03-02: Sale, 193 sh ($5K)2026-02-27: Sale, 3,325 sh ($93K)2026-02-27: Award / grant, 97,000 sh ($0)2026-02-27: Award / grant, 37,000 sh ($0)2026-02-02: Sale, 19,379 sh ($489K)2026-02-02: Sale, 8,562 sh ($214K)2026-02-02: Sale, 7,983 sh ($204K)2026-02-02: Sale, 4,714 sh ($121K)2025-12-01: Sale, 1,657 sh ($50K)2025-11-19: Sale, 1,561 sh ($44K)2025-11-19: Sale, 989 sh ($28K)2025-11-03: Sale, 7,165 sh ($177K)2025-11-03: Sale, 43 sh ($1K)2025-09-04: Sale, 36,130 sh ($584K)2025-08-04: Sale, 6,330 sh ($91K)2025-05-28: Sale, 1,800 sh ($25K)2025-05-02: Sale, 5,030 sh ($76K)2025-03-03: Sale, 3,263 sh ($43K)2025-02-28: Award / grant, 34,000 sh ($0)2025-02-28: Award / grant, 89,000 sh ($0)2025-02-03: Sale, 8,338 sh ($106K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-08ARQTSale9,989 @ $25.03$250K−7.9% of holding116,182Form 4
2026-08-03ARQTSale1,230 @ $26.12$32K−1.0% of holding126,171Form 4
2026-05-04ARQTSale7,372 @ $23.27$172K−5.5% of holding127,573Form 4
2026-05-04ARQTSale884 @ $23.61$21K−0.7% of holding126,689Form 4
2026-03-02ARQTSale6,553 @ $25.16$165K−4.6% of holding137,125Form 4
2026-03-02ARQTSale1,987 @ $25.70$51K−1.4% of holding136,932Form 4
2026-03-02ARQTSale193 @ $25.91$5K−0.1% of holding136,932Form 4
2026-02-27ARQTSale3,325 @ $27.95$93K−2.3% of holding143,678Form 4
2026-02-02ARQTSale19,379 @ $25.24$489K−14.5% of holding114,717Form 4
2026-02-02ARQTSale8,562 @ $24.97$214K−6.0% of holding134,096Form 4
2026-02-02ARQTSale7,983 @ $25.50$204K−5.3% of holding142,658Form 4
2026-02-02ARQTSale4,714 @ $25.63$121K−4.1% of holding110,003Form 4
2025-12-01ARQTSale1,657 @ $30.23$50K−1.1% of holding150,641Form 4
2025-11-19ARQTSale1,561 @ $28.50$44K−1.0% of holding151,476Form 4
2025-11-19ARQTSale989 @ $27.95$28K−0.6% of holding153,037Form 4
2025-11-03ARQTSale7,165 @ $24.71$177K−4.4% of holding154,069Form 4
2025-11-03ARQTSale43 @ $25.40$1K−0.0% of holding154,026Form 4
2025-09-04ARQTSale36,130 @ $16.16$584K−18.3% of holding161,234Form 4
2025-08-04ARQTSale6,330 @ $14.33$91K−3.1% of holding197,364Form 4
2025-05-28ARQTSale1,800 @ $13.78$25K−0.9% of holding202,599Form 4
2025-05-02ARQTSale5,030 @ $15.20$76K−2.4% of holding204,399Form 4
2025-03-03ARQTSale3,263 @ $13.03$43K−1.5% of holding209,429Form 4
2025-02-03ARQTSale8,338 @ $12.70$106K−4.5% of holding178,692Form 4
4 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-27ARQTAward / grant97,00097,000Form 4
2026-02-27ARQTAward / grant37,000147,003Form 4
2025-02-28ARQTAward / grant34,000212,692Form 4
2025-02-28ARQTAward / grant89,00089,000Form 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.