Chambers Douglas W

Director · Officer · USM, TDS

As of 2026-09-17, Chambers Douglas W has 59 Form 4 transactions on record across 2 companies — 0 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: $903KIndirect: $0$903Kas of 2026-09-17
  • Direct $903K
  • Indirect $0
USMdirect17,600 sh$903K

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

USM · 52 trades
2025-08-12: Sale, 93,300 sh ($7.1M)2025-08-01: Disposition, 67,005 sh ($4.9M)2025-08-01: Withheld for tax, 19,333 sh ($1.4M)2025-08-01: Withheld for tax, 5,416 sh ($398K)2025-08-01: Option exercise, 41,132 sh2025-08-01: Option exercise, 11,522 sh2025-08-01: Option exercise, 11,484 sh2025-08-01: Option exercise, 41,132 sh2025-08-01: Option exercise, 67,005 sh2025-08-01: Option exercise, 11,522 sh2025-08-01: Option exercise, 30,225 sh2025-08-01: Option exercise, 13,812 sh2025-08-01: Award / grant, 2,871 sh2025-08-01: Option exercise, 11,484 sh2025-08-01: Option exercise, 30,225 sh2025-08-01: Option exercise, 13,812 sh2025-08-01: Award / grant, 2,871 sh2025-08-01: Option exercise, 11,484 sh2025-08-01: Option exercise, 11,484 sh2025-08-01: Option exercise, 11,522 sh2025-08-01: Option exercise, 41,132 sh2025-08-01: Option exercise, 67,005 sh2025-08-01: Option exercise, 11,522 sh2025-08-01: Option exercise, 41,132 sh2025-04-04: Withheld for tax, 10,523 sh ($679K)2025-04-04: Withheld for tax, 9,577 sh ($618K)2025-04-04: Option exercise, 20,374 sh2025-04-04: Option exercise, 22,389 sh2025-04-04: Option exercise, 20,374 sh2025-04-04: Option exercise, 22,389 sh2025-04-04: Option exercise, 20,374 sh2025-04-04: Option exercise, 22,389 sh2025-04-04: Option exercise, 20,374 sh2025-04-04: Option exercise, 22,389 sh2025-04-03: Withheld for tax, 4,953 sh ($340K)2025-04-03: Option exercise, 11,522 sh2025-04-03: Option exercise, 11,522 sh2025-04-03: Option exercise, 11,522 sh2025-04-03: Option exercise, 11,522 sh2025-03-04: Withheld for tax, 2,210 sh ($140K)2025-03-04: Option exercise, 6,906 sh2025-03-04: Option exercise, 6,906 sh2025-03-04: Option exercise, 6,906 sh2025-03-04: Option exercise, 6,906 sh2025-03-03: Award / grant, 11,484 sh2025-03-03: Award / grant, 8,613 sh2025-03-03: Award / grant, 8,613 sh2025-03-03: Award / grant, 11,484 sh2025-02-19: Award / grant, 30,225 sh2025-02-19: Award / grant, 3,582 sh2025-02-19: Award / grant, 3,582 sh2025-02-19: Award / grant, 30,225 sh
TDS · 7 trades
2025-08-12: Sale, 41,992 sh ($1.6M)2025-08-12: Option exercise, 11,601 sh ($322K)2025-08-12: Option exercise, 11,601 sh ($322K)2025-08-12: Option exercise, 10,592 sh ($312K)2025-08-12: Option exercise, 10,592 sh ($312K)2025-08-12: Option exercise, 6,634 sh ($204K)2025-08-12: Option exercise, 6,634 sh ($204K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-08-12USMSale93,300 @ $75.77$7.1M−84.1% of holding17,600Form 4
2025-08-12TDSSale41,992 @ $38.63$1.6M−100.0% of holding0Form 4
57 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-08-12TDSOption exercise11,60141,978Form 4
2025-08-12TDSOption exercise11,6010Form 4
2025-08-12TDSOption exercise10,5920Form 4
2025-08-12TDSOption exercise10,59230,377Form 4
2025-08-12TDSOption exercise6,63419,785Form 4
2025-08-12TDSOption exercise6,6340Form 4
2025-08-01USMDisposition67,005110,900Form 4
2025-08-01USMWithheld for tax19,333110,900Form 4
2025-08-01USMWithheld for tax5,41689,101Form 4
2025-08-01USMOption exercise41,1320Form 4
2025-08-01USMOption exercise11,52294,517Form 4
2025-08-01USMOption exercise11,4840Form 4
2025-08-01USMOption exercise41,132130,233Form 4
2025-08-01USMOption exercise67,005177,905Form 4
2025-08-01USMOption exercise11,5220Form 4
2025-08-01USMOption exercise30,2250Form 4
2025-08-01USMOption exercise13,8120Form 4
2025-08-01USMAward / grant2,87111,484Form 4
2025-08-01USMOption exercise11,4840Form 4
2025-08-01USMOption exercise30,2250Form 4
2025-08-01USMOption exercise13,8120Form 4
2025-08-01USMAward / grant2,87111,484Form 4
2025-08-01USMOption exercise11,4840Form 4
2025-08-01USMOption exercise11,4840Form 4
2025-08-01USMOption exercise11,52294,517Form 4
2025-08-01USMOption exercise41,132130,233Form 4
2025-08-01USMOption exercise67,005177,905Form 4
2025-08-01USMOption exercise11,5220Form 4
2025-08-01USMOption exercise41,1320Form 4
2025-04-04USMWithheld for tax10,52372,198Form 4
2025-04-04USMWithheld for tax9,57782,995Form 4
2025-04-04USMOption exercise20,3740Form 4
2025-04-04USMOption exercise22,3890Form 4
2025-04-04USMOption exercise20,3740Form 4
2025-04-04USMOption exercise22,38982,721Form 4
2025-04-04USMOption exercise20,37492,572Form 4
2025-04-04USMOption exercise22,38982,721Form 4
2025-04-04USMOption exercise20,37492,572Form 4
2025-04-04USMOption exercise22,3890Form 4
2025-04-03USMWithheld for tax4,95360,332Form 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.