BROWN GREGORY Q

Director · Officer · MSI

As of 2026-09-16, BROWN GREGORY Q has 154 Form 4 transactions on record across 1 company — 89 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 September in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct $154.6M
Indirect $8.6M

MSI	direct	335,780 sh	$154.6M
MSI	indirect	18,747 sh	$8.6M

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

MSI · 154 trades

Filing ledger

Date	Company	Action	Shares @ price	Value	Ownership Δ	Owned after	Filing
2026-09-02	MSI	Sale	5,570 @ $483.68	$2.7M	−7.7% of holding	66,648	Form 4
2026-09-02	MSI	Sale	4,650 @ $486.10	$2.3M	−5.9% of holding	73,818	Form 4
2026-09-02	MSI	Sale	2,400 @ $487.14	$1.2M	−3.0% of holding	78,468	Form 4
2026-09-02	MSI	Sale	1,600 @ $485.16	$776K	−2.2% of holding	72,218	Form 4
2026-03-04	MSI	Sale	13,451 @ $478.14	$6.4M	−12.1% of holding	97,873	Form 4
2026-03-04	MSI	Sale	7,832 @ $478.83	$3.8M	−6.6% of holding	111,324	Form 4
2026-03-04	MSI	Sale	3,934 @ $476.28	$1.9M	−4.2% of holding	90,721	Form 4
2026-03-04	MSI	Sale	3,218 @ $477.03	$1.5M	−3.3% of holding	94,655	Form 4
2026-02-26	MSI	Sale	52 @ $464.28	$24K	−0.4% of holding	14,343	Form 4
2026-02-25	MSI	Sale	3,895 @ $470.40	$1.8M	−12.3% of holding	27,792	Form 4
2026-02-25	MSI	Sale	3,880 @ $470.01	$1.8M	−9.6% of holding	36,723	Form 4
2026-02-25	MSI	Sale	3,770 @ $470.01	$1.8M	−17.6% of holding	17,663	Form 4
2026-02-25	MSI	Sale	3,760 @ $470.00	$1.8M	−16.7% of holding	18,732	Form 4
2026-02-25	MSI	Sale	3,730 @ $469.53	$1.8M	−13.4% of holding	24,062	Form 4
2026-02-25	MSI	Sale	2,949 @ $469.15	$1.4M	−15.7% of holding	15,783	Form 4
2026-02-25	MSI	Sale	2,943 @ $469.17	$1.4M	−16.7% of holding	14,720	Form 4
2026-02-25	MSI	Sale	2,832 @ $469.15	$1.3M	−7.7% of holding	33,891	Form 4
2026-02-25	MSI	Sale	2,538 @ $470.69	$1.2M	−10.1% of holding	22,492	Form 4
2026-02-25	MSI	Sale	2,500 @ $470.70	$1.2M	−10.4% of holding	21,433	Form 4
2026-02-25	MSI	Sale	2,465 @ $470.69	$1.2M	−5.7% of holding	40,603	Form 4
2026-02-25	MSI	Sale	1,128 @ $468.83	$529K	−4.7% of holding	22,934	Form 4
2026-02-25	MSI	Sale	663 @ $471.20	$312K	−2.0% of holding	31,687	Form 4
2026-02-25	MSI	Sale	663 @ $468.01	$310K	−2.0% of holding	33,228	Form 4
2026-02-25	MSI	Sale	617 @ $468.03	$289K	−4.2% of holding	14,103	Form 4
2026-02-25	MSI	Sale	597 @ $467.97	$279K	−3.8% of holding	15,186	Form 4
2026-02-25	MSI	Sale	554 @ $467.89	$259K	−2.4% of holding	22,380	Form 4
2026-02-25	MSI	Sale	429 @ $466.58	$200K	−1.9% of holding	21,951	Form 4
2026-02-25	MSI	Sale	359 @ $466.09	$167K	−2.6% of holding	13,416	Form 4
2026-02-25	MSI	Sale	351 @ $466.82	$164K	−1.1% of holding	32,877	Form 4
2026-02-25	MSI	Sale	328 @ $466.84	$153K	−2.3% of holding	13,775	Form 4
2026-02-25	MSI	Sale	307 @ $466.84	$143K	−2.0% of holding	14,879	Form 4
2026-02-25	MSI	Sale	294 @ $466.04	$137K	−2.0% of holding	14,585	Form 4
2026-02-25	MSI	Sale	278 @ $465.64	$129K	−1.3% of holding	21,673	Form 4
2026-02-25	MSI	Sale	255 @ $466.02	$119K	−0.8% of holding	32,622	Form 4
2026-02-25	MSI	Sale	190 @ $465.08	$88K	−0.6% of holding	32,432	Form 4
2026-02-25	MSI	Sale	190 @ $465.00	$88K	−1.3% of holding	14,395	Form 4
2026-02-25	MSI	Sale	115 @ $464.87	$53K	−0.9% of holding	13,301	Form 4
2026-02-25	MSI	Sale	93 @ $464.17	$43K	−0.4% of holding	21,580	Form 4
2026-02-25	MSI	Sale	85 @ $471.97	$40K	−0.4% of holding	23,933	Form 4
2026-02-25	MSI	Sale	85 @ $471.96	$40K	−0.3% of holding	25,030	Form 4
2026-02-25	MSI	Sale	82 @ $471.98	$39K	−0.2% of holding	43,068	Form 4
2026-02-25	MSI	Sale	55 @ $464.28	$26K	−0.4% of holding	13,246	Form 4
2026-02-25	MSI	Sale	52 @ $464.28	$24K	−0.2% of holding	32,380	Form 4
2026-02-25	MSI	Sale	30 @ $474.01	$14K	−0.1% of holding	43,150	Form 4
2026-02-25	MSI	Sale	30 @ $473.11	$14K	−0.1% of holding	32,350	Form 4
2026-02-25	MSI	Sale	28 @ $474.01	$13K	−0.1% of holding	25,115	Form 4
2026-02-25	MSI	Sale	28 @ $474.01	$13K	−0.1% of holding	24,018	Form 4
2026-02-24	MSI	Sale	8,853 @ $470.22	$4.2M	−9.9% of holding	80,815	Form 4
2026-02-24	MSI	Sale	8,485 @ $466.46	$4.0M	−13.1% of holding	56,298	Form 4
2026-02-24	MSI	Sale	7,499 @ $471.11	$3.5M	−7.7% of holding	89,668	Form 4
2026-02-24	MSI	Sale	7,459 @ $469.47	$3.5M	−9.2% of holding	73,356	Form 4
2026-02-24	MSI	Sale	4,373 @ $468.45	$2.0M	−6.0% of holding	68,983	Form 4
2026-02-24	MSI	Sale	4,200 @ $467.45	$2.0M	−6.1% of holding	64,783	Form 4
2026-02-24	MSI	Sale	3,025 @ $465.72	$1.4M	−5.4% of holding	53,273	Form 4
2026-02-24	MSI	Sale	1,920 @ $463.61	$890K	−3.7% of holding	49,707	Form 4
2026-02-24	MSI	Sale	1,646 @ $464.56	$765K	−3.1% of holding	51,627	Form 4
2026-02-24	MSI	Sale	1,285 @ $462.63	$594K	−2.6% of holding	48,422	Form 4
2026-02-24	MSI	Sale	1,255 @ $461.57	$579K	−2.6% of holding	47,167	Form 4
2026-02-23	MSI	Sale	18,748 @ $464.78	$8.7M	−24.4% of holding	58,006	Form 4
2026-02-23	MSI	Sale	12,207 @ $465.78	$5.7M	−13.7% of holding	76,754	Form 4
2026-02-23	MSI	Sale	8,206 @ $466.71	$3.8M	−8.4% of holding	88,961	Form 4
2026-02-23	MSI	Sale	5,095 @ $464.04	$2.4M	−8.8% of holding	52,911	Form 4
2026-02-23	MSI	Sale	3,291 @ $463.23	$1.5M	−6.2% of holding	49,620	Form 4
2026-02-23	MSI	Sale	2,068 @ $461.92	$955K	−4.2% of holding	47,552	Form 4
2026-02-23	MSI	Sale	385 @ $461.32	$178K	−0.8% of holding	47,167	Form 4
2025-09-12	MSI	Sale	14,103 @ $482.17	$6.8M	−22.6% of holding	48,424	Form 4
2025-09-12	MSI	Sale	13,258 @ $484.12	$6.4M	−15.1% of holding	74,339	Form 4
2025-09-12	MSI	Sale	11,812 @ $483.04	$5.7M	−15.9% of holding	62,527	Form 4
2025-09-12	MSI	Sale	4,648 @ $484.80	$2.3M	−5.0% of holding	87,597	Form 4
2025-09-12	MSI	Sale	2,750 @ $485.76	$1.3M	−2.9% of holding	92,245	Form 4
2025-09-12	MSI	Sale	1,488 @ $481.40	$716K	−3.1% of holding	46,936	Form 4
2025-09-12	MSI	Sale	1,245 @ $486.68	$606K	−1.3% of holding	94,995	Form 4
2025-09-12	MSI	Sale	696 @ $487.71	$339K	−0.7% of holding	96,240	Form 4
2025-09-11	MSI	Sale	6,440 @ $490.86	$3.2M	−9.5% of holding	61,572	Form 4
2025-09-11	MSI	Sale	3,924 @ $491.64	$1.9M	−5.5% of holding	68,012	Form 4
2025-09-11	MSI	Sale	3,784 @ $489.97	$1.9M	−6.1% of holding	57,788	Form 4
2025-09-11	MSI	Sale	3,340 @ $486.66	$1.6M	−6.4% of holding	49,038	Form 4
2025-09-11	MSI	Sale	3,101 @ $488.85	$1.5M	−5.4% of holding	54,687	Form 4
2025-09-11	MSI	Sale	2,309 @ $488.16	$1.1M	−4.2% of holding	52,378	Form 4
2025-09-11	MSI	Sale	2,102 @ $485.70	$1.0M	−4.3% of holding	46,936	Form 4

51 award / exercise / gift records — not counted as purchases

Date	Company	Action	Shares	Owned after	Filing
2026-09-02	MSI	Option exercise	14,220	80,868	Form 4
2026-09-02	MSI	Option exercise	14,220	335,780	Form 4
2026-08-21	MSI	Gift	4,404	18,747	Form 4
2026-08-21	MSI	Gift	4,404	17,650	Form 4
2026-08-21	MSI	Gift	8,808	0	Form 4
2026-03-14	MSI	Withheld for tax	4,333	85,051	Form 4
2026-03-14	MSI	Option exercise	6,401	6,400	Form 4
2026-03-14	MSI	Option exercise	8,961	89,384	Form 4
2026-03-13	MSI	Withheld for tax	3,530	80,423	Form 4
2026-03-13	MSI	Option exercise	7,300	83,953	Form 4
2026-03-13	MSI	Option exercise	6,760	13,519	Form 4
2026-03-12	MSI	Award / grant	19,273	19,273	Form 4
2026-03-09	MSI	Withheld for tax	20,635	70,085	Form 4
2026-03-09	MSI	Withheld for tax	6,148	76,653	Form 4
2026-03-09	MSI	Option exercise	12,715	82,800	Form 4
2026-03-09	MSI	Award / grant	94,246	94,246	Form 4
2026-03-09	MSI	Option exercise	7,350	0	Form 4
2026-03-04	MSI	Option exercise	28,435	119,156	Form 4
2026-03-04	MSI	Option exercise	28,435	350,000	Form 4
2026-02-25	MSI	Award / grant	43,554	90,721	Form 4
2026-02-24	MSI	Option exercise	50,000	97,167	Form 4
2026-02-24	MSI	Option exercise	50,000	0	Form 4
2026-02-23	MSI	Option exercise	50,000	97,167	Form 4
2026-02-23	MSI	Option exercise	50,000	50,000	Form 4
2025-09-12	MSI	Option exercise	50,000	96,936	Form 4
2025-09-12	MSI	Option exercise	50,000	100,000	Form 4
2025-09-11	MSI	Option exercise	25,000	71,936	Form 4
2025-09-11	MSI	Option exercise	25,000	150,000	Form 4
2025-09-10	MSI	Option exercise	25,000	71,936	Form 4
2025-09-10	MSI	Option exercise	25,000	175,000	Form 4
2025-08-29	MSI	Option exercise	25,000	71,936	Form 4
2025-08-29	MSI	Option exercise	25,000	200,000	Form 4
2025-08-15	MSI	Gift	10,900	46,936	Form 4
2025-08-14	MSI	Option exercise	82,765	140,601	Form 4
2025-08-14	MSI	Option exercise	82,765	225,000	Form 4
2025-06-06	MSI	Gift	10,469	32,846	Form 4
2025-06-06	MSI	Gift	10,468	33,943	Form 4
2025-06-06	MSI	Gift	20,937	0	Form 4
2025-03-14	MSI	Withheld for tax	3,992	93,369	Form 4
2025-03-14	MSI	Option exercise	6,401	12,801	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.