Egon Durban

Activist

First SEC filing: March 26, 2025 · Latest: March 26, 2025

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Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.

Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-9,806,520 + 48 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 7, 2026	U	J	21,537	—	—	21,537 Indirect	—	Acquired	(price as of 2026-08-21)
Dec. 9, 2025	DELL	S	71,000	$138.12	$9,806,520	1,172,428 Direct	-5.71%	Disposed	218.0% (price as of 2026-08-21)
Nov. 7, 2024	DELL	G	72,500	—	—	718,882 Direct	-9.16%	Disposed	(price as of 2026-08-21)
Nov. 1, 2024	DELL	G	77,000	—	—	791,382 Direct	-8.87%	Disposed	(price as of 2026-08-21)
March 29, 2024	MSI	A	71	$354.98	$25,204	21,183 Indirect	+0.34%	Acquired	34.4% (price as of 2026-08-21)
Dec. 31, 2023	MSI	A	80	$313.09	$25,047	21,046 Indirect	+0.38%	Acquired	52.4% (price as of 2026-08-21)
Sept. 29, 2023	MSI	A	92	$272.24	$25,046	20,903 Indirect	+0.44%	Acquired	75.3% (price as of 2026-08-21)
June 30, 2023	MSI	A	86	$293.28	$25,222	20,749 Indirect	+0.42%	Acquired	62.7% (price as of 2026-08-21)
May 16, 2023	MSI	A	756	—	—	20,663 Indirect	+3.80%	Acquired	(price as of 2026-08-21)
March 31, 2023	MSI	A	88	$286.13	$25,179	19,847 Indirect	+0.45%	Acquired	66.7% (price as of 2026-08-21)
Dec. 31, 2022	MSI	A	98	$257.71	$25,256	19,693 Indirect	+0.50%	Acquired	85.1% (price as of 2026-08-21)
Sept. 30, 2022	MSI	A	112	$223.97	$25,085	19,527 Indirect	+0.58%	Acquired	113.0% (price as of 2026-08-21)
July 1, 2022	MSI	A	120	$210.08	$25,210	19,343 Indirect	+0.62%	Acquired	127.1% (price as of 2026-08-21)
May 17, 2022	MSI	A	1,031	—	—	19,223 Indirect	+5.67%	Acquired	(price as of 2026-08-21)
April 1, 2022	MSI	A	105	$238.14	$25,005	18,132 Indirect	+0.58%	Acquired	100.4% (price as of 2026-08-21)
Dec. 31, 2021	MSI	A	93	$271.70	$25,268	17,970 Indirect	+0.52%	Acquired	75.6% (price as of 2026-08-21)
Oct. 1, 2021	MSI	A	107	$234.31	$25,071	17,826 Indirect	+0.60%	Acquired	103.6% (price as of 2026-08-21)
July 7, 2021	DELL	S	3,840	$99.81	$383,270	0 Indirect	-100.00%	Disposed	768.2% (price as of 2026-08-21)
July 7, 2021	DELL	S	113,628	$99.81	$11,341,211	0 Direct	-100.00%	Disposed	768.2% (price as of 2026-08-21)
July 2, 2021	MSI	A	114	$221.02	$25,196	17,663 Indirect	+0.65%	Acquired	115.9% (price as of 2026-08-21)
May 18, 2021	MSI	A	954	—	—	17,549 Indirect	+5.75%	Acquired	(price as of 2026-08-21)
April 2, 2021	MSI	A	133	$188.36	$25,052	16,533 Indirect	+0.81%	Acquired	153.3% (price as of 2026-08-21)
Dec. 31, 2020	MSI	A	131	$170.06	$22,278	16,334 Indirect	+0.81%	Acquired	180.6% (price as of 2026-08-21)
Sept. 25, 2020	MSI	A	109	$154.00	$16,786	16,141 Indirect	+0.68%	Acquired	209.8% (price as of 2026-08-21)
June 26, 2020	MSI	A	181	$138.78	$25,119	15,956 Indirect	+1.15%	Acquired	243.8% (price as of 2026-08-21)
May 11, 2020	MSI	A	1,460	—	—	15,775 Indirect	+10.20%	Acquired	(price as of 2026-08-21)
March 27, 2020	MSI	A	186	$135.07	$25,123	14,256 Indirect	+1.32%	Acquired	253.2% (price as of 2026-08-21)
Dec. 31, 2019	MSI	A	156	$161.14	$25,138	14,018 Indirect	+1.13%	Acquired	196.1% (price as of 2026-08-21)
Sept. 30, 2019	MSI	A	147	$170.41	$25,050	13,815 Indirect	+1.08%	Acquired	180.0% (price as of 2026-08-21)
Sept. 5, 2019	MSI	A	None	$1000000000.00	—	— Indirect	—	Acquired	-100.0% (price as of 2026-08-21)
June 28, 2019	MSI	A	150	$166.73	$25,010	13,624 Indirect	+1.11%	Acquired	186.2% (price as of 2026-08-21)
May 13, 2019	MSI	A	1,327	—	—	13,474 Indirect	+10.92%	Acquired	(price as of 2026-08-21)
March 29, 2019	MSI	A	179	$140.42	$25,135	12,099 Indirect	+1.50%	Acquired	239.8% (price as of 2026-08-21)
Dec. 31, 2018	MSI	A	218	$115.04	$25,079	11,863 Indirect	+1.87%	Acquired	314.7% (price as of 2026-08-21)
Sept. 28, 2018	MSI	A	193	$130.14	$25,117	11,595 Indirect	+1.69%	Acquired	266.6% (price as of 2026-08-21)
June 29, 2018	MSI	A	215	$116.37	$25,020	11,354 Indirect	+1.93%	Acquired	310.0% (price as of 2026-08-21)
May 14, 2018	MSI	A	1,770	—	—	11,139 Indirect	+18.89%	Acquired	(price as of 2026-08-21)
March 30, 2018	MSI	A	238	$105.30	$25,061	9,326 Indirect	+2.62%	Acquired	353.1% (price as of 2026-08-21)
Dec. 29, 2017	MSI	A	277	$90.34	$25,024	9,039 Indirect	+3.16%	Acquired	428.1% (price as of 2026-08-21)
Sept. 29, 2017	MSI	A	295	$84.87	$25,037	8,718 Indirect	+3.50%	Acquired	462.2% (price as of 2026-08-21)
June 30, 2017	MSI	A	289	$86.74	$25,068	8,380 Indirect	+3.57%	Acquired	450.1% (price as of 2026-08-21)
May 16, 2017	MSI	A	2,271	—	—	8,091 Indirect	+39.02%	Acquired	(price as of 2026-08-21)
March 31, 2017	MSI	A	290	$86.22	$25,004	5,788 Indirect	+5.27%	Acquired	453.4% (price as of 2026-08-21)
Dec. 31, 2016	MSI	A	302	$82.89	$25,033	5,469 Indirect	+5.84%	Acquired	475.6% (price as of 2026-08-21)
Sept. 30, 2016	MSI	A	328	$76.28	$25,020	5,140 Indirect	+6.82%	Acquired	525.5% (price as of 2026-08-21)
June 30, 2016	MSI	A	379	$65.97	$25,003	4,785 Indirect	+8.60%	Acquired	623.2% (price as of 2026-08-21)
May 16, 2016	MSI	A	1,977	—	—	4,406 Indirect	+81.39%	Acquired	(price as of 2026-08-21)
March 31, 2016	MSI	A	331	—	—	2,418 Indirect	+15.86%	Acquired	(price as of 2026-08-21)
Dec. 31, 2015	MSI	A	366	—	—	2,076 Indirect	+21.40%	Acquired	(price as of 2026-08-21)
Sept. 30, 2015	MSI	A	157	—	—	1,702 Indirect	+10.16%	Acquired	(price as of 2026-08-21)
Aug. 25, 2015	MSI	A	1,545	—	—	1,545 Indirect	—	Acquired	(price as of 2026-08-21)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Sept. 5, 2019	MSI	1.75% Convertible Senior Notes due 2024 [F1,F2]	Common Stock	—	—	—	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).