Brown Marianne Catherine

Director · SCHW, IBM, NOC, AKAM

As of 2026-09-16, Brown Marianne Catherine has 36 Form 4 transactions on record across 4 companies — 20 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: $8.2MIndirect: $0$8.2Mas of 2026-09-16
  • Direct $8.2M
  • Indirect $0
NOCdirect11,558 sh$6.1M
IBMdirect4,016 sh$954K
SCHWdirect8,269 sh$870K
AKAMdirect1,892 sh$198K

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

SCHW · 18 trades
2026-07-01: Award / grant, 418 sh2026-07-01: Award / grant, 418 sh2026-05-26: Award / grant, 1,602 sh ($0)2026-05-26: Award / grant, 3,977 sh ($0)2026-04-01: Award / grant, 434 sh2026-04-01: Award / grant, 434 sh2026-01-02: Award / grant, 394 sh2026-01-02: Award / grant, 394 sh2025-10-01: Award / grant, 407 sh2025-10-01: Award / grant, 407 sh2025-07-01: Award / grant, 412 sh2025-07-01: Award / grant, 412 sh2025-05-27: Award / grant, 3,646 sh ($0)2025-05-27: Award / grant, 1,462 sh ($0)2025-04-01: Award / grant, 483 sh2025-04-01: Award / grant, 483 sh2025-01-02: Award / grant, 508 sh2025-01-02: Award / grant, 508 sh
NOC · 9 trades
2026-06-30: Award / grant, 91 sh ($46K)2026-05-20: Award / grant, 349 sh ($193K)2026-03-31: Award / grant, 68 sh ($46K)2025-12-31: Award / grant, 81 sh ($46K)2025-09-30: Award / grant, 76 sh ($46K)2025-06-30: Award / grant, 93 sh ($46K)2025-05-21: Award / grant, 385 sh ($182K)2025-03-31: Award / grant, 90 sh ($46K)2024-12-31: Award / grant, 99 sh ($46K)
IBM · 7 trades
2026-06-30: Award / grant, 325 sh ($91K)2026-03-31: Award / grant, 377 sh ($91K)2025-12-31: Award / grant, 309 sh ($92K)2025-09-30: Award / grant, 324 sh ($91K)2025-06-30: Award / grant, 310 sh ($91K)2025-03-31: Award / grant, 367 sh ($91K)2024-12-31: Award / grant, 399 sh ($88K)
AKAM · 2 trades
2026-05-13: Award / grant, 1,892 sh ($0)2025-05-14: Award / grant, 3,934 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
36 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-01SCHWAward / grant4188,269Form 4
2026-07-01SCHWAward / grant4188,269Form 4
2026-06-30IBMAward / grant3254,016Form 4
2026-06-30NOCAward / grant9111,558Form 4
2026-05-26SCHWAward / grant1,60217,353Form 4
2026-05-26SCHWAward / grant3,9773,977Form 4
2026-05-20NOCAward / grant34911,415Form 4
2026-05-13AKAMAward / grant1,8921,892Form 4
2026-04-01SCHWAward / grant4347,824Form 4
2026-04-01SCHWAward / grant4347,824Form 4
2026-03-31IBMAward / grant3773,669Form 4
2026-03-31NOCAward / grant6811,066Form 4
2026-01-02SCHWAward / grant3947,365Form 4
2026-01-02SCHWAward / grant3947,365Form 4
2025-12-31IBMAward / grant3093,271Form 4
2025-12-31NOCAward / grant8110,963Form 4
2025-10-01SCHWAward / grant4076,951Form 4
2025-10-01SCHWAward / grant4076,951Form 4
2025-09-30IBMAward / grant3242,947Form 4
2025-09-30NOCAward / grant7610,836Form 4
2025-07-01SCHWAward / grant4126,525Form 4
2025-07-01SCHWAward / grant4126,525Form 4
2025-06-30IBMAward / grant3102,606Form 4
2025-06-30NOCAward / grant9310,718Form 4
2025-05-27SCHWAward / grant3,6463,646Form 4
2025-05-27SCHWAward / grant1,46215,751Form 4
2025-05-21NOCAward / grant38510,575Form 4
2025-05-14AKAMAward / grant3,9343,934Form 4
2025-04-01SCHWAward / grant4836,095Form 4
2025-04-01SCHWAward / grant4836,095Form 4
2025-03-31IBMAward / grant3672,283Form 4
2025-03-31NOCAward / grant9010,190Form 4
2025-01-02SCHWAward / grant5085,592Form 4
2025-01-02SCHWAward / grant5085,592Form 4
2024-12-31IBMAward / grant3991,904Form 4
2024-12-31NOCAward / grant9910,056Form 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.