Jeremy Skule

Insider

First SEC filing: April 10, 2018 · Latest: April 10, 2018

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

Insider at

NDAQ selling Aug. 10, 2026

Insider transactions

0 buys (P) 5 sells (S) Net: $-965,536 + 40 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

40 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 10, 2026	NDAQ	S 10b5-1	2,250	$94.75	$213,188	102,323 Direct	-2.15%	Disposed	3.5% (price as of 2026-08-21)
April 3, 2026	NDAQ	F	1,017	$86.65	$88,123	104,573 Direct	-0.96%	Disposed	13.2% (price as of 2026-08-21)
April 1, 2026	NDAQ	F	2,332	$84.89	$197,963	105,590 Direct	-2.16%	Disposed	15.6% (price as of 2026-08-21)
April 1, 2026	NDAQ	A	7,633	—	—	107,922 Direct	+7.61%	Acquired	(price as of 2026-08-21)
Feb. 11, 2026	NDAQ	A	8,026	—	—	100,289 Direct	+8.70%	Acquired	(price as of 2026-08-21)
Feb. 11, 2026	NDAQ	F	12,838	$82.51	$1,059,263	92,263 Direct	-12.21%	Disposed	18.9% (price as of 2026-08-21)
Feb. 11, 2026	NDAQ	A	26,359	—	—	105,101 Direct	+33.48%	Acquired	(price as of 2026-08-21)
Dec. 6, 2025	NDAQ	F	4,127	$90.22	$372,338	78,742 Direct	-4.98%	Disposed	8.7% (price as of 2026-08-21)
Dec. 1, 2025	NDAQ	S 10b5-1	2,105	$90.57	$190,650	82,869 Direct	-2.48%	Disposed	8.3% (price as of 2026-08-21)
Nov. 3, 2025	NDAQ	S 10b5-1	2,105	$85.40	$179,767	84,974 Direct	-2.42%	Disposed	14.9% (price as of 2026-08-21)
Oct. 1, 2025	NDAQ	S 10b5-1	2,105	$88.22	$185,703	88,341 Direct	-2.33%	Disposed	11.2% (price as of 2026-08-21)
Oct. 1, 2025	NDAQ	F	1,262	$88.45	$111,624	87,079 Direct	-1.43%	Disposed	10.9% (price as of 2026-08-21)
Sept. 2, 2025	NDAQ	S 10b5-1	2,105	$93.22	$196,228	90,446 Direct	-2.27%	Disposed	5.2% (price as of 2026-08-21)
Aug. 1, 2025	NDAQ	S 10b5-1	2,105	$95.49	$201,006	92,551 Direct	-2.22%	Disposed	2.7% (price as of 2026-08-21)
July 1, 2025	NDAQ	S 10b5-1	2,105	$89.17	$187,703	94,656 Direct	-2.18%	Disposed	10.0% (price as of 2026-08-21)
June 6, 2025	NDAQ	S 10b5-1	2,104	$85.00	$178,840	96,438 Direct	-2.14%	Disposed	15.4% (price as of 2026-08-21)
June 2, 2025	NDAQ	S 10b5-1	1,053	$83.28	$87,694	98,542 Direct	-1.06%	Disposed	17.8% (price as of 2026-08-21)
May 12, 2025	NDAQ	S 10b5-1	1,053	$81.52	$85,841	99,595 Direct	-1.05%	Disposed	20.4% (price as of 2026-08-21)
April 3, 2025	NDAQ	F	1,017	$78.30	$79,631	100,648 Direct	-1.00%	Disposed	25.3% (price as of 2026-08-21)
April 1, 2025	NDAQ	F	1,770	$75.86	$134,272	101,665 Direct	-1.71%	Disposed	29.3% (price as of 2026-08-21)
April 1, 2025	NDAQ	A	6,575	—	—	103,435 Direct	+6.79%	Acquired	(price as of 2026-08-21)
Feb. 19, 2025	NDAQ	F	9,058	$81.24	$735,872	96,860 Direct	-8.55%	Disposed	20.8% (price as of 2026-08-21)
Feb. 19, 2025	NDAQ	A	19,613	—	—	105,918 Direct	+22.73%	Acquired	(price as of 2026-08-21)
Dec. 9, 2024	NDAQ	S	6,037	$80.88	$488,273	86,305 Direct	-6.54%	Disposed	21.3% (price as of 2026-08-21)
Dec. 9, 2024	NDAQ	S	6,037	$80.87	$488,212	92,342 Direct	-6.14%	Disposed	21.3% (price as of 2026-08-21)
Dec. 6, 2024	NDAQ	F	4,126	$81.14	$334,784	98,379 Direct	-4.03%	Disposed	20.9% (price as of 2026-08-21)
Nov. 18, 2024	NDAQ	S	12,075	$78.75	$950,906	102,505 Direct	-10.54%	Disposed	24.6% (price as of 2026-08-21)
Nov. 6, 2024	NDAQ	S	12,000	$77.92	$935,040	114,580 Direct	-9.48%	Disposed	25.9% (price as of 2026-08-21)
Oct. 1, 2024	NDAQ	A	6,844	—	—	126,580 Direct	+5.72%	Acquired	(price as of 2026-08-21)
April 1, 2024	NDAQ	F	2,628	$62.29	$163,698	119,296 Direct	-2.16%	Disposed	57.5% (price as of 2026-08-21)
April 1, 2024	NDAQ	A	8,026	—	—	121,924 Direct	+7.05%	Acquired	(price as of 2026-08-21)
Feb. 20, 2024	NDAQ	F	13,958	$55.54	$775,227	113,898 Direct	-10.92%	Disposed	76.6% (price as of 2026-08-21)
Feb. 20, 2024	NDAQ	A	33,290	—	—	127,856 Direct	+35.20%	Acquired	(price as of 2026-08-21)
Dec. 6, 2023	NDAQ	F	3,712	$55.84	$207,278	94,566 Direct	-3.78%	Disposed	75.7% (price as of 2026-08-21)
April 3, 2023	NDAQ	F	1,795	$54.40	$97,648	97,874 Direct	-1.80%	Disposed	80.3% (price as of 2026-08-21)
April 3, 2023	NDAQ	A	5,514	—	—	99,669 Direct	+5.86%	Acquired	(price as of 2026-08-21)
Feb. 22, 2023	NDAQ	F	23,130	$57.10	$1,320,723	94,155 Direct	-19.72%	Disposed	71.8% (price as of 2026-08-21)
Feb. 22, 2023	NDAQ	A	46,818	—	—	117,285 Direct	+66.44%	Acquired	(price as of 2026-08-21)
Feb. 21, 2023	NDAQ	S 10b5-1	2,100	$57.93	$121,653	70,467 Direct	-2.89%	Disposed	69.4% (price as of 2026-08-21)
Dec. 21, 2022	NDAQ	S 10b5-1	2,100	$60.45	$126,945	74,667 Direct	-2.74%	Disposed	62.3% (price as of 2026-08-21)
Dec. 6, 2022	NDAQ	A	22,384	—	—	76,767 Direct	+41.16%	Acquired	(price as of 2026-08-21)
Nov. 21, 2022	NDAQ	S 10b5-1	2,100	$65.44	$137,424	54,381 Direct	-3.72%	Disposed	49.9% (price as of 2026-08-21)
Oct. 21, 2022	NDAQ	S 10b5-1	2,100	$56.86	$119,406	56,481 Direct	-3.58%	Disposed	72.5% (price as of 2026-08-21)
Sept. 21, 2022	NDAQ	S 10b5-1	2,100	$59.80	$125,580	58,581 Direct	-3.46%	Disposed	64.1% (price as of 2026-08-21)
Aug. 22, 2022	NDAQ	S 10b5-1	700	$186.13	$130,291	20,227 Direct	-3.34%	Disposed	58.1% (price as of 2026-08-21)
July 21, 2022	NDAQ	S 10b5-1	700	$169.60	$118,720	20,804 Direct	-3.26%	Disposed	73.5% (price as of 2026-08-21)
June 24, 2022	NDAQ	S 10b5-1	1,400	$160.00	$224,000	21,504 Direct	-6.11%	Disposed	84.0% (price as of 2026-08-21)
April 1, 2022	NDAQ	F	324	$181.92	$58,942	22,904 Direct	-1.39%	Disposed	61.8% (price as of 2026-08-21)
April 1, 2022	NDAQ	A	1,539	—	—	23,228 Direct	+7.10%	Acquired	(price as of 2026-08-21)
Feb. 15, 2022	NDAQ	S 10b5-1	865	$175.00	$151,375	12,864 Direct	-6.30%	Disposed	68.2% (price as of 2026-08-21)
Jan. 23, 2022	NDAQ	S 10b5-1	2,100	$61.75	$129,675	72,567 Direct	-2.81%	Disposed	376.6% (price as of 2026-08-21)
Jan. 13, 2022	NDAQ	S 10b5-1	865	$193.35	$167,248	13,729 Direct	-5.93%	Disposed	52.2% (price as of 2026-08-21)
Dec. 13, 2021	NDAQ	S 10b5-1	865	$206.18	$178,346	14,594 Direct	-5.60%	Disposed	42.8% (price as of 2026-08-21)
Nov. 15, 2021	NDAQ	S 10b5-1	865	$209.10	$180,872	15,459 Direct	-5.30%	Disposed	40.8% (price as of 2026-08-21)
Oct. 13, 2021	NDAQ	S 10b5-1	865	$197.68	$170,993	16,324 Direct	-5.03%	Disposed	48.9% (price as of 2026-08-21)
Sept. 13, 2021	NDAQ	S 10b5-1	865	$196.65	$170,102	17,189 Direct	-4.79%	Disposed	49.7% (price as of 2026-08-21)
April 1, 2021	NDAQ	A	1,657	—	—	17,864 Direct	+10.22%	Acquired	(price as of 2026-08-21)
Feb. 23, 2021	NDAQ	F	4,643	$140.34	$651,599	16,207 Direct	-22.27%	Disposed	109.7% (price as of 2026-08-21)
Feb. 23, 2021	NDAQ	A	11,271	—	—	20,850 Direct	+117.66%	Acquired	(price as of 2026-08-21)
Dec. 31, 2020	NDAQ	F	531	$132.74	$70,485	9,579 Direct	-5.25%	Disposed	121.7% (price as of 2026-08-21)
June 4, 2020	NDAQ	S	2,526	$117.97	$297,992	9,878 Direct	-20.36%	Disposed	149.5% (price as of 2026-08-21)
April 1, 2020	NDAQ	A	1,950	—	—	12,404 Direct	+18.65%	Acquired	(price as of 2026-08-21)
March 6, 2020	NDAQ	S	2,755	$109.44	$301,507	10,454 Direct	-20.86%	Disposed	168.9% (price as of 2026-08-21)
Feb. 25, 2020	NDAQ	F	1,271	$112.41	$142,873	13,209 Direct	-8.78%	Disposed	161.8% (price as of 2026-08-21)
Feb. 25, 2020	NDAQ	A	3,368	—	—	14,480 Direct	+30.31%	Acquired	(price as of 2026-08-21)
Feb. 23, 2020	NDAQ	F	7,011	$168.19	$1,179,180	21,689 Direct	-24.43%	Disposed	75.0% (price as of 2026-08-21)
Feb. 23, 2020	NDAQ	A	15,836	—	—	28,700 Direct	+123.10%	Acquired	(price as of 2026-08-21)
Dec. 31, 2019	NDAQ	F	1,145	$107.10	$122,630	11,112 Direct	-9.34%	Disposed	174.8% (price as of 2026-08-21)
Jan. 29, 2019	NDAQ	F	1,138	$85.81	$97,652	11,952 Direct	-8.69%	Disposed	243.0% (price as of 2026-08-21)
Jan. 29, 2019	NDAQ	A	3,114	—	—	13,090 Direct	+31.21%	Acquired	(price as of 2026-08-21)
Dec. 31, 2018	NDAQ	F	1,247	$81.57	$101,718	9,976 Direct	-11.11%	Disposed	260.8% (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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
April 10, 2018	NDAQ	Common Stock, par value $0.01 per share	11,214	Direct