Melody Birmingham

Insider

First SEC filing: July 5, 2022 · Latest: July 5, 2022

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

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 19 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

19 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 28, 2025	NI	F	3,608	$40.81	$147,242	82,596 Direct	-4.19%	Disposed	2.6% (price as of 2026-08-20)
Feb. 28, 2025	NI	F	27,416	$40.81	$1,118,847	86,204 Direct	-24.13%	Disposed	2.6% (price as of 2026-08-20)
Feb. 28, 2025	NI	A	63,228	$40.81	$2,580,335	113,620 Direct	+125.47%	Acquired	2.6% (price as of 2026-08-20)
Jan. 22, 2025	NI	A	8,219	$37.78	$310,514	50,392 Direct	+19.49%	Acquired	10.9% (price as of 2026-08-20)
Aug. 13, 2024	NI	S	7,151	$31.54	$225,543	41,923 Direct	-14.57%	Disposed	32.8% (price as of 2026-08-20)
July 1, 2024	NI	F	9,422	$28.70	$270,411	49,074 Direct	-16.11%	Disposed	46.0% (price as of 2026-08-20)
Jan. 24, 2024	NI	A	11,974	$25.18	$301,505	58,389 Direct	+25.80%	Acquired	66.4% (price as of 2026-08-20)
Aug. 8, 2023	NI	S	5,385	$26.56	$143,026	46,259 Direct	-10.43%	Disposed	57.7% (price as of 2026-08-20)
July 3, 2023	NI	F	4,694	$27.42	$128,709	51,644 Direct	-8.33%	Disposed	52.8% (price as of 2026-08-20)
Jan. 25, 2023	NI	A	9,355	$27.58	$258,011	56,338 Direct	+19.91%	Acquired	51.9% (price as of 2026-08-20)
July 1, 2022	NI	A	38,664	$30.05	$1,161,853	46,983 Direct	+464.77%	Acquired	39.4% (price as of 2026-08-20)
July 1, 2022	NI	A	8,319	$30.05	$249,986	8,319 Direct	—	Acquired	39.4% (price as of 2026-08-20)
May 5, 2022	DUKU	F	99	$110.05	$10,895	8,733 Direct	-1.12%	Disposed	-54.0% (price as of 2026-08-20)
Feb. 27, 2022	DUKU	F	89	$100.22	$8,920	8,832 Direct	-1.00%	Disposed	-49.5% (price as of 2026-08-20)
Feb. 24, 2022	DUKU	F	97	$97.04	$9,413	8,921 Direct	-1.08%	Disposed	-47.9% (price as of 2026-08-20)
Feb. 23, 2022	DUKU	A	2,972	$97.67	$290,275	9,018 Direct	+49.16%	Acquired	-48.2% (price as of 2026-08-20)
Feb. 19, 2022	DUKU	F	82	$99.81	$8,184	6,046 Direct	-1.34%	Disposed	-49.3% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	M	2,554	$104.41	$266,663	6,873 Direct	+59.13%	Acquired	-51.6% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	F	787	$104.41	$82,171	6,128 Direct	-11.38%	Disposed	-51.6% (price as of 2026-08-20)
Feb. 8, 2022	DUKU	M	2,554	—	—	2,554 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2021	DUKU	A	1,010	$99.36	$100,354	4,319 Direct	+30.52%	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
Feb. 8, 2022	DUKU	Performance Shares	Common Stock (2,554)	$104.41	—	2,554	Acquired

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

Initial ownership (Form 3) 3 holdings

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

Date	Ticker	Security	Shares	Ownership
July 5, 2022	NI	Common Stock	0	Direct
May 7, 2021	DUKU	Common Stock	3,309	Direct
May 7, 2021	DUKU	Common Stock	1,002	Indirect