Robert Alexander Glenn

Insider

First SEC filing: May 7, 2021 · Latest: May 7, 2021

On this page

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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

DUKU selling Nov. 15, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 33 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

33 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 30, 2025	DUKU	A	230	$122.02	$28,065	19,567 Direct	+1.19%	Acquired	-58.5% (price as of 2026-08-20)
Feb. 26, 2025	DUKU	A	4,836	$116.31	$562,475	19,337 Direct	+33.35%	Acquired	-56.5% (price as of 2026-08-20)
Feb. 23, 2025	DUKU	F	458	$115.55	$52,922	14,501 Direct	-3.06%	Disposed	-56.2% (price as of 2026-08-20)
Feb. 22, 2025	DUKU	F	607	$115.55	$70,139	15,761 Direct	-3.71%	Disposed	-56.2% (price as of 2026-08-20)
Feb. 22, 2025	DUKU	F	802	$115.55	$92,671	14,959 Direct	-5.09%	Disposed	-56.2% (price as of 2026-08-20)
Feb. 7, 2025	DUKU	A	9,094	—	—	19,081 Direct	+91.06%	Acquired	(price as of 2026-08-20)
Feb. 7, 2025	DUKU	F	2,713	$114.99	$311,968	16,368 Direct	-14.22%	Disposed	-56.0% (price as of 2026-08-20)
Nov. 15, 2024	DUKU	S 10b5-1	7,500	$109.47	$821,025	17,489 Direct	-30.01%	Disposed	-53.8% (price as of 2026-08-20)
Nov. 15, 2024	DUKU	S 10b5-1	7,502	$110.00	$825,220	9,987 Direct	-42.90%	Disposed	-54.0% (price as of 2026-08-20)
May 10, 2024	DUKU	I	2,708	$102.67	$278,030	2,708 Direct	—	Acquired	-50.7% (price as of 2026-08-20)
May 5, 2024	DUKU	F	129	$100.26	$12,934	24,989 Direct	-0.51%	Disposed	-49.6% (price as of 2026-08-20)
March 11, 2024	DUKU	A	5,499	—	—	25,118 Direct	+28.03%	Acquired	(price as of 2026-08-20)
Feb. 24, 2024	DUKU	F	131	$92.73	$12,148	19,619 Direct	-0.66%	Disposed	-45.5% (price as of 2026-08-20)
Feb. 23, 2024	DUKU	F	303	$92.73	$28,097	19,750 Direct	-1.51%	Disposed	-45.5% (price as of 2026-08-20)
Feb. 22, 2024	DUKU	F	402	$92.13	$37,036	20,053 Direct	-1.97%	Disposed	-45.1% (price as of 2026-08-20)
Feb. 5, 2024	DUKU	A	4,119	—	—	19,799 Direct	+26.27%	Acquired	(price as of 2026-08-20)
Feb. 5, 2024	DUKU	F	1,241	$95.25	$118,205	18,558 Direct	-6.27%	Disposed	-46.9% (price as of 2026-08-20)
Feb. 5, 2024	DUKU	A	2,671	—	—	21,229 Direct	+14.39%	Acquired	(price as of 2026-08-20)
Feb. 5, 2024	DUKU	F	774	$95.25	$73,724	20,455 Direct	-3.65%	Disposed	-46.9% (price as of 2026-08-20)
May 5, 2023	DUKU	F	86	$99.36	$8,545	15,680 Direct	-0.55%	Disposed	-49.1% (price as of 2026-08-20)
Feb. 24, 2023	DUKU	F	132	$96.92	$12,793	15,766 Direct	-0.83%	Disposed	-47.8% (price as of 2026-08-20)
Feb. 23, 2023	DUKU	F	306	$96.84	$29,633	15,898 Direct	-1.89%	Disposed	-47.8% (price as of 2026-08-20)
Feb. 22, 2023	DUKU	A	4,165	$97.47	$405,963	16,204 Direct	+34.60%	Acquired	-48.1% (price as of 2026-08-20)
Feb. 19, 2023	DUKU	F	112	$99.49	$11,143	12,039 Direct	-0.92%	Disposed	-49.2% (price as of 2026-08-20)
Feb. 6, 2023	DUKU	A	3,556	—	—	13,232 Direct	+36.75%	Acquired	(price as of 2026-08-20)
Feb. 6, 2023	DUKU	F	1,081	$101.81	$110,057	12,151 Direct	-8.17%	Disposed	-50.3% (price as of 2026-08-20)
May 5, 2022	DUKU	F	87	$110.05	$9,574	9,676 Direct	-0.89%	Disposed	-54.0% (price as of 2026-08-20)
March 4, 2022	DUKU	S 10b5-1	1,430	$105.00	$150,150	9,763 Direct	-12.78%	Disposed	-51.8% (price as of 2026-08-20)
Feb. 27, 2022	DUKU	F	110	$100.22	$11,024	11,193 Direct	-0.97%	Disposed	-49.5% (price as of 2026-08-20)
Feb. 24, 2022	DUKU	F	133	$97.04	$12,906	11,303 Direct	-1.16%	Disposed	-47.9% (price as of 2026-08-20)
Feb. 23, 2022	DUKU	A	3,137	$97.67	$306,391	11,436 Direct	+37.80%	Acquired	-48.2% (price as of 2026-08-20)
Feb. 19, 2022	DUKU	F	113	$99.81	$11,279	8,299 Direct	-1.34%	Disposed	-49.3% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	M	3,147	$104.41	$328,578	9,375 Direct	+50.53%	Acquired	-51.6% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	F	963	$104.41	$100,547	8,412 Direct	-10.27%	Disposed	-51.6% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	M	3,147	—	—	3,147 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2021	DUKU	A	879	$99.36	$87,337	6,228 Direct	+16.43%	Acquired	-49.1% (price as of 2026-08-20)

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
May 10, 2024	DUKU	Phantom Stock Executive Savings Plan	Common Stock (2,708)	—	—	2,708	Acquired
Feb. 8, 2022	DUKU	Performance Shares	Common Stock (3,147)	$104.41	—	3,147	Acquired

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

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 7, 2021	DUKU	Common Stock	5,349	Direct
May 7, 2021	DUKU	Common Stock	4,632	Indirect