Kathy I Sheffield

Insider

First SEC filing: Dec. 1, 2017 · Latest: Dec. 1, 2017

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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

AAON selling March 16, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 30, 2017	AAON	F	3,829	$36.45	$139,567	22,072 Direct	-14.78%	Disposed	232.5% (price as of 2026-08-20)
Aug. 13, 2017	AAON	F	272	$33.10	$9,003	25,901 Direct	-1.04%	Disposed	266.1% (price as of 2026-08-20)
May 26, 2017	AAON	I	177	$36.55	$6,469	6 Indirect	-96.72%	Disposed	231.6% (price as of 2026-08-20)
May 20, 2017	AAON	F	579	$36.65	$21,220	26,173 Direct	-2.16%	Disposed	230.7% (price as of 2026-08-20)
March 16, 2017	AAON	M	5,000	$4.54	$22,700	0 Direct	-100.00%	Disposed	2569.3% (price as of 2026-08-20)
March 16, 2017	AAON	M	15,000	$6.89	$103,350	18,750 Direct	-44.44%	Disposed	1658.9% (price as of 2026-08-20)
March 16, 2017	AAON	I	17,110	$36.55	$625,370	0 Indirect	-100.00%	Disposed	231.6% (price as of 2026-08-20)
March 16, 2017	AAON	S	20,000	$36.53	$730,600	26,752 Direct	-42.78%	Disposed	231.7% (price as of 2026-08-20)
March 16, 2017	AAON	M	5,000	$4.54	$22,700	46,752 Direct	+11.98%	Acquired	2569.3% (price as of 2026-08-20)
March 16, 2017	AAON	M	15,000	$6.89	$103,350	41,752 Direct	+56.07%	Acquired	1658.9% (price as of 2026-08-20)
Jan. 4, 2017	AAON	A	24,700	—	—	24,700 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2017	AAON	F	460	$34.10	$15,686	26,752 Direct	-1.69%	Disposed	255.4% (price as of 2026-08-20)
Jan. 4, 2017	AAON	A	680	—	—	27,212 Direct	+2.56%	Acquired	(price as of 2026-08-20)
Jan. 2, 2017	AAON	F	353	$33.05	$11,667	26,532 Direct	-1.31%	Disposed	266.7% (price as of 2026-08-20)
Dec. 15, 2016	AAON	I	12,369	$32.75	$405,085	16,470 Indirect	-42.89%	Disposed	270.0% (price as of 2026-08-20)
Dec. 15, 2016	AAON	M	10,125	$5.03	$50,929	0 Direct	-100.00%	Disposed	2309.2% (price as of 2026-08-20)
Dec. 15, 2016	AAON	S	10,125	$32.77	$331,796	26,885 Direct	-27.36%	Disposed	269.8% (price as of 2026-08-20)
Dec. 15, 2016	AAON	M	10,125	$5.03	$50,929	37,010 Direct	+37.66%	Acquired	2309.2% (price as of 2026-08-20)
Aug. 12, 2016	AAON	F	274	$27.22	$7,458	26,885 Direct	-1.01%	Disposed	345.2% (price as of 2026-08-20)
May 20, 2016	AAON	F	583	$27.37	$15,957	27,159 Direct	-2.10%	Disposed	342.8% (price as of 2026-08-20)
Feb. 29, 2016	AAON	M	11,875	$4.54	$53,912	5,000 Direct	-70.37%	Disposed	2569.3% (price as of 2026-08-20)
Feb. 29, 2016	AAON	S	900	$25.00	$22,500	27,742 Direct	-3.14%	Disposed	384.7% (price as of 2026-08-20)
Feb. 29, 2016	AAON	S	11,875	$24.91	$295,806	28,642 Direct	-29.31%	Disposed	386.5% (price as of 2026-08-20)
Feb. 29, 2016	AAON	M	11,875	$4.54	$53,912	40,517 Direct	+41.46%	Acquired	2569.3% (price as of 2026-08-20)
Jan. 4, 2016	AAON	A	6,680	—	—	6,680 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 4, 2016	AAON	A	6,190	—	—	28,642 Direct	+27.57%	Acquired	(price as of 2026-08-20)
Jan. 2, 2016	AAON	F	356	$23.22	$8,266	22,452 Direct	-1.56%	Disposed	421.9% (price as of 2026-08-20)
Aug. 13, 2015	AAON	F	279	$22.88	$6,384	22,808 Direct	-1.21%	Disposed	429.7% (price as of 2026-08-20)
May 20, 2015	AAON	F	580	$24.29	$14,088	23,087 Direct	-2.45%	Disposed	398.9% (price as of 2026-08-20)
Jan. 2, 2015	AAON	A	4,805	—	—	4,805 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2015	AAON	A	4,805	—	—	23,667 Direct	+25.47%	Acquired	(price as of 2026-08-20)
May 20, 2014	AAON	A	6,200	—	—	12,575 Direct	+97.25%	Acquired	(price as of 2026-08-20)
Dec. 3, 2012	AAON	M	11,250	$7.21	$81,112	15,500 Direct	+264.71%	Acquired	3681.8% (price as of 2026-08-20)
Dec. 3, 2012	AAON	M	22,500	$12.29	$276,525	38,000 Direct	+145.16%	Acquired	2118.6% (price as of 2026-08-20)
Dec. 3, 2012	AAON	S	11,250	$21.35	$240,188	26,750 Direct	-29.61%	Disposed	1177.1% (price as of 2026-08-20)
Dec. 3, 2012	AAON	S	22,500	$21.35	$480,375	4,250 Direct	-84.11%	Disposed	1177.1% (price as of 2026-08-20)
Dec. 3, 2012	AAON	M	11,250	$7.21	$81,112	0 Direct	-100.00%	Disposed	3681.8% (price as of 2026-08-20)
Dec. 3, 2012	AAON	M	22,500	$12.29	$276,525	0 Direct	-100.00%	Disposed	2118.6% (price as of 2026-08-20)
Aug. 21, 2012	AAON	M	22,500	$6.45	$145,125	26,750 Direct	+529.41%	Acquired	4127.4% (price as of 2026-08-20)
Aug. 21, 2012	AAON	S	22,500	$19.58	$440,550	4,250 Direct	-84.11%	Disposed	1292.6% (price as of 2026-08-20)
Aug. 21, 2012	AAON	M	22,500	$6.45	$145,125	0 Direct	-100.00%	Disposed	4127.4% (price as of 2026-08-20)
Aug. 13, 2012	AAON	A	2,000	—	—	4,250 Direct	+88.89%	Acquired	(price as of 2026-08-20)
May 15, 2012	AAON	A	1	—	—	1 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2011	AAON	J	750	—	—	2,250 Direct	+50.00%	Acquired	(price as of 2026-08-20)
June 13, 2011	AAON	J	4,135	—	—	12,406 Indirect	+49.99%	Acquired	(price as of 2026-08-20)
May 25, 2010	AAON	A	1	—	—	1 Direct	—	Acquired	(price as of 2026-08-20)
May 18, 2010	AAON	M	16,875	$5.72	$96,525	18,375 Direct	+1125.00%	Acquired	7050.3% (price as of 2026-08-20)
May 18, 2010	AAON	S	16,875	$24.81	$418,669	1,500 Direct	-91.84%	Disposed	1548.5% (price as of 2026-08-20)
March 9, 2009	AAON	J	782	—	—	7,787 Indirect	+11.16%	Acquired	(price as of 2026-08-20)
Dec. 8, 2008	AAON	M	14,250	$3.85	$54,862	14,250 Direct	—	Acquired	10523.4% (price as of 2026-08-20)
Dec. 8, 2008	AAON	S	14,250	$21.02	$299,535	0 Direct	-100.00%	Disposed	1845.8% (price as of 2026-08-20)
Sept. 20, 2007	AAON	S	1,500	$20.75	$31,125	1,500 Direct	-50.00%	Disposed	1871.1% (price as of 2026-08-20)
Sept. 19, 2007	AAON	M	12,000	$3.85	$46,200	13,500 Direct	+800.00%	Acquired	10523.4% (price as of 2026-08-20)
Sept. 19, 2007	AAON	S	10,500	$20.77	$218,085	3,000 Direct	-77.78%	Disposed	1869.2% (price as of 2026-08-20)
Aug. 21, 2007	AAON	J	500	—	—	1,500 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Aug. 21, 2007	AAON	J	2,336	—	—	7,009 Indirect	+49.99%	Acquired	(price as of 2026-08-20)
July 12, 2007	AAON	A	1,000	—	—	1,000 Direct	—	Acquired	(price as of 2026-08-20)
July 12, 2007	AAON	J	261	—	—	4,673 Indirect	+5.92%	Acquired	(price as of 2026-08-20)
Nov. 30, 2006	AAON	M	2,800	$5.78	$16,184	2,800 Direct	—	Acquired	10514.2% (price as of 2026-08-20)
Nov. 30, 2006	AAON	S	2,800	$27.69	$77,532	0 Direct	-100.00%	Disposed	2115.6% (price as of 2026-08-20)
Nov. 21, 2006	AAON	M	2,200	$5.78	$12,716	2,200 Direct	—	Acquired	10514.2% (price as of 2026-08-20)
Nov. 21, 2006	AAON	S	2,200	$27.85	$61,270	0 Direct	-100.00%	Disposed	2102.9% (price as of 2026-08-20)
Nov. 21, 2006	AAON	J	171	—	—	4,412 Indirect	+4.03%	Acquired	(price as of 2026-08-20)
May 8, 2006	AAON	A	1	—	—	1 Direct	—	Acquired	(price as of 2026-08-20)
May 6, 2005	AAON	J	632	—	—	3,957 Indirect	+19.01%	Acquired	(price as of 2026-08-20)
April 6, 2005	AAON	A	1	—	—	1 Direct	—	Acquired	(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
March 16, 2017	AAON	Stock Option (Right to Buy)	Common Stock (5,000)	$4.54	March 9, 2019	5,000	Disposed
March 16, 2017	AAON	Stock Option (Right to Buy)	Common Stock (15,000)	$6.89	May 25, 2020	15,000	Disposed
Jan. 4, 2017	AAON	Stock Option (Right to Buy)	Common Stock (24,700)	$34.10	Jan. 4, 2027	24,700	Acquired
Dec. 15, 2016	AAON	Stock Option (Right to Buy)	Common Stock (10,125)	$5.03	March 10, 2018	10,125	Disposed
Feb. 29, 2016	AAON	Stock Option (Right to Buy)	Common Stock (11,875)	$4.54	March 9, 2019	11,875	Disposed
Jan. 4, 2016	AAON	Stock Option (Right to Buy)	Common Stock (6,680)	$22.15	Jan. 4, 2026	6,680	Acquired
Jan. 2, 2015	AAON	Stock Option (Right to Buy)	Common Stock (4,805)	$21.93	Jan. 2, 2025	4,805	Acquired
Dec. 3, 2012	AAON	Stock Option	Common Stock (11,250)	$7.21	April 6, 2015	11,250	Disposed
Dec. 3, 2012	AAON	Stock Option	Common Stock (22,500)	$12.29	May 8, 2016	22,500	Disposed
Aug. 21, 2012	AAON	Stock Option	Common Stock (22,500)	$6.45	Feb. 21, 2013	22,500	Disposed
May 15, 2012	AAON	Stock Option	Common Stock (10,000)	$19.47	May 15, 2022	1	Acquired
May 25, 2010	AAON	Stock Option	Common Stock (10,000)	$23.27	May 25, 2020	1	Acquired
May 8, 2006	AAON	Stock Option	Common Stock (10,000)	$27.65	May 8, 2016	1	Acquired
April 6, 2005	AAON	Stock Option	Common Stock (5,000)	$16.23	April 6, 2015	1	Acquired

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