Archbold Brian David

Officer · MLAB

As of 2026-09-16, Archbold Brian David has 23 Form 4 transactions on record across 1 company — 11 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 June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $799KIndirect: $0$799Kas of 2026-09-16
  • Direct $799K
  • Indirect $0
MLABdirect6,377 sh$799K

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

MLAB · 23 trades
2026-06-22: Sale, 2,516 sh ($225K)2026-06-18: Option exercise, 2,480 sh ($236K)2026-06-18: Award / grant, 1,859 sh ($177K)2026-06-18: Option exercise, 844 sh ($80K)2026-06-18: Option exercise, 844 sh ($0)2026-06-18: Option exercise, 2,480 sh ($0)2026-06-16: Sale, 1,151 sh ($117K)2026-06-15: Option exercise, 2,454 sh ($255K)2026-06-15: Award / grant, 4,328 sh ($0)2026-06-15: Option exercise, 2,454 sh ($0)2026-06-15: Code E, 1,780 sh ($0)2025-06-21: Option exercise, 844 sh ($81K)2025-06-21: Withheld for tax, 385 sh ($37K)2025-06-21: Option exercise, 844 sh ($0)2025-06-18: Option exercise, 2,556 sh ($238K)2025-06-18: Withheld for tax, 1,166 sh ($108K)2025-06-18: Option exercise, 2,556 sh ($0)2025-06-16: Sale, 472 sh ($46K)2025-06-15: Award / grant, 7,346 sh ($0)2025-06-15: Option exercise, 535 sh ($0)2025-06-15: Option exercise, 495 sh ($0)2025-06-15: Option exercise, 535 sh ($0)2025-06-10: Code E, 2,129 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-22MLABSale2,516 @ $89.50$225K−28.3% of holding6,377Form 4
2026-06-16MLABSale1,151 @ $101.27$117K−23.7% of holding3,710Form 4
2025-06-16MLABSale472 @ $97.12$46K−45.8% of holding558Form 4
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-18MLABOption exercise2,4807,034Form 4
2026-06-18MLABAward / grant1,8598,893Form 4
2026-06-18MLABOption exercise8444,554Form 4
2026-06-18MLABOption exercise8440Form 4
2026-06-18MLABOption exercise2,4802,480Form 4
2026-06-15MLABOption exercise2,4544,861Form 4
2026-06-15MLABAward / grant4,3284,328Form 4
2026-06-15MLABOption exercise2,4544,892Form 4
2026-06-15MLABCode E1,78011,852Form 4
2025-06-21MLABOption exercise8442,792Form 4
2025-06-21MLABWithheld for tax3852,407Form 4
2025-06-21MLABOption exercise844844Form 4
2025-06-18MLABOption exercise2,5563,114Form 4
2025-06-18MLABWithheld for tax1,1661,948Form 4
2025-06-18MLABOption exercise2,5564,960Form 4
2025-06-15MLABAward / grant7,3467,346Form 4
2025-06-15MLABOption exercise5350Form 4
2025-06-15MLABOption exercise4951,030Form 4
2025-06-15MLABOption exercise535535Form 4
2025-06-10MLABCode E2,12912,567Form 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.