BIEBER MICHAEL A

Director · Officer · WLDN

As of 2026-09-16, BIEBER MICHAEL A has 33 Form 4 transactions on record across 1 company — 21 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 May in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Trades by company

WLDN · 33 trades
2026-05-14: Sale, 25,429 sh ($2.3M)2026-05-14: Sale, 23,015 sh ($2.1M)2026-05-14: Sale, 7,956 sh ($737K)2026-05-14: Option exercise, 40,009 sh ($651K)2026-05-14: Option exercise, 16,667 sh ($470K)2026-05-14: Sale, 276 sh ($26K)2026-05-14: Option exercise, 16,667 sh ($0)2026-05-14: Option exercise, 40,009 sh ($0)2026-05-13: Sale, 9,991 sh ($926K)2026-05-13: Option exercise, 9,991 sh ($163K)2026-05-13: Option exercise, 9,991 sh ($0)2026-03-25: Withheld for tax, 6,444 sh ($534K)2026-03-25: Award / grant, 15,750 sh ($0)2026-03-20: Withheld for tax, 2,387 sh ($180K)2026-03-17: Withheld for tax, 2,625 sh ($206K)2026-03-16: Withheld for tax, 7,090 sh ($557K)2026-03-16: Award / grant, 17,326 sh ($0)2026-03-11: Withheld for tax, 7,697 sh ($646K)2026-03-11: Award / grant, 18,810 sh ($0)2026-03-09: Withheld for tax, 1,814 sh ($151K)2026-03-03: Award / grant, 18,000 sh ($0)2025-08-18: Withheld for tax, 6,788 sh ($743K)2025-08-18: Award / grant, 12,963 sh ($0)2025-05-16: Sale, 25,000 sh ($1.2M)2025-05-16: Option exercise, 25,000 sh ($348K)2025-05-16: Option exercise, 25,000 sh ($0)2025-03-24: Withheld for tax, 8,246 sh ($351K)2025-03-24: Award / grant, 15,750 sh ($0)2025-03-20: Withheld for tax, 3,054 sh ($132K)2025-03-17: Award / grant, 19,250 sh ($0)2025-03-11: Withheld for tax, 6,268 sh ($251K)2025-03-11: Award / grant, 11,970 sh ($0)2025-03-07: Withheld for tax, 2,429 sh ($102K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-05-14WLDNSale25,429 @ $90.88$2.3M−8.3% of holding280,772Form 4
2026-05-14WLDNSale23,015 @ $91.95$2.1M−8.2% of holding257,757Form 4
2026-05-14WLDNSale7,956 @ $92.65$737K−3.1% of holding249,801Form 4
2026-05-14WLDNSale276 @ $93.74$26K−0.1% of holding249,525Form 4
2026-05-13WLDNSale9,991 @ $92.65$926K−3.8% of holding249,525Form 4
2025-05-16WLDNSale25,000 @ $48.11$1.2M−11.1% of holding200,981Form 4
27 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-05-14WLDNOption exercise40,009289,534Form 4
2026-05-14WLDNOption exercise16,667306,201Form 4
2026-05-14WLDNOption exercise16,6670Form 4
2026-05-14WLDNOption exercise40,0090Form 4
2026-05-13WLDNOption exercise9,991259,516Form 4
2026-05-13WLDNOption exercise9,99140,009Form 4
2026-03-25WLDNWithheld for tax6,444249,525Form 4
2026-03-25WLDNAward / grant15,750255,969Form 4
2026-03-20WLDNWithheld for tax2,387240,219Form 4
2026-03-17WLDNWithheld for tax2,625242,606Form 4
2026-03-16WLDNWithheld for tax7,090245,231Form 4
2026-03-16WLDNAward / grant17,326252,321Form 4
2026-03-11WLDNWithheld for tax7,697234,995Form 4
2026-03-11WLDNAward / grant18,810242,692Form 4
2026-03-09WLDNWithheld for tax1,814223,882Form 4
2026-03-03WLDNAward / grant18,000225,696Form 4
2025-08-18WLDNWithheld for tax6,788207,542Form 4
2025-08-18WLDNAward / grant12,963214,330Form 4
2025-05-16WLDNOption exercise25,000225,981Form 4
2025-05-16WLDNOption exercise25,0000Form 4
2025-03-24WLDNWithheld for tax8,246200,981Form 4
2025-03-24WLDNAward / grant15,750209,227Form 4
2025-03-20WLDNWithheld for tax3,054193,477Form 4
2025-03-17WLDNAward / grant19,250196,531Form 4
2025-03-11WLDNWithheld for tax6,268177,281Form 4
2025-03-11WLDNAward / grant11,970183,549Form 4
2025-03-07WLDNWithheld for tax2,429171,579Form 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.