MAHER KATHERINE A
Officer · MSI
As of 2026-09-16, MAHER KATHERINE A has 34 Form 4 transactions on record across 1 company — 15 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.
Reconstructed holdings
- Direct $392K
- Indirect $0
| MSI | direct | 852 sh | $392K |
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-07 | MSI | Sale | 1,062 @ $469.69 | $499K | −43.8% of holding | 1,363 | Form 4 |
| 2026-08-07 | MSI | Sale | 637 @ $470.02 | $300K | −46.8% of holding | 726 | Form 4 |
| 2026-08-07 | MSI | Sale | 54 @ $468.22 | $25K | −7.4% of holding | 672 | Form 4 |
| 2026-08-07 | MSI | Sale | 1 @ $470.04 | $334 | −0.1% of holding | 671 | Form 4 |
| 2025-08-12 | MSI | Sale | 2,682 @ $473.28 | $1.3M | −76.9% of holding | 804 | Form 4 |
| 2025-05-29 | MSI | Sale | 1,073 @ $418.68 | $449K | −57.2% of holding | 804 | Form 4 |
28 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-07 | MSI | Option exercise | 427 | 2,425 | Form 4 |
| 2026-08-07 | MSI | Option exercise | 635 | 1,998 | Form 4 |
| 2026-08-07 | MSI | Option exercise | 635 | 0 | Form 4 |
| 2026-08-07 | MSI | Option exercise | 427 | 852 | Form 4 |
| 2026-03-14 | MSI | Withheld for tax | 59 | 1,308 | Form 4 |
| 2026-03-13 | MSI | Withheld for tax | 54 | 1,368 | Form 4 |
| 2026-03-12 | MSI | Award / grant | 297 | 1,421 | Form 4 |
| 2026-03-12 | MSI | Award / grant | 1,039 | 1,039 | Form 4 |
| 2026-03-09 | MSI | Withheld for tax | 331 | 1,211 | Form 4 |
| 2026-03-09 | MSI | Withheld for tax | 87 | 1,124 | Form 4 |
| 2026-02-25 | MSI | Award / grant | 738 | 1,542 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 512 | 3,486 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 781 | 2,339 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 635 | 2,974 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 426 | 1,558 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 328 | 1,132 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 781 | 0 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 426 | 0 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 328 | 0 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 512 | 1,024 | Form 4 |
| 2025-08-12 | MSI | Option exercise | 635 | 635 | Form 4 |
| 2025-03-14 | MSI | Withheld for tax | 60 | 1,877 | Form 4 |
| 2025-03-13 | MSI | Award / grant | 1,279 | 1,279 | Form 4 |
| 2025-03-13 | MSI | Award / grant | 362 | 1,938 | Form 4 |
| 2025-03-10 | MSI | Withheld for tax | 557 | 1,576 | Form 4 |
| 2025-03-10 | MSI | Withheld for tax | 145 | 2,133 | Form 4 |
| 2025-03-09 | MSI | Withheld for tax | 87 | 2,278 | Form 4 |
| 2025-02-25 | MSI | Award / grant | 1,257 | 2,365 | Form 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.