Heather Cox

Insider

First SEC filing: Feb. 20, 2024 · Latest: June 3, 2026

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 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

85 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 3, 2026	NRG	A	68	—	—	43,679 Direct	+0.16%	Acquired	(price as of 2026-08-20)
June 1, 2026	NRG	A	1,422	—	—	43,611 Direct	+3.37%	Acquired	(price as of 2026-08-20)
May 1, 2026	NRG	A	79	—	—	42,189 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Feb. 2, 2026	NRG	A	81	—	—	42,110 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Nov. 3, 2025	NRG	A	64	—	—	42,029 Direct	+0.15%	Acquired	(price as of 2026-08-20)
Aug. 1, 2025	NRG	A	66	—	—	41,963 Direct	+0.16%	Acquired	(price as of 2026-08-20)
June 1, 2025	NRG	A	1,149	—	—	41,897 Direct	+2.82%	Acquired	(price as of 2026-08-20)
May 1, 2025	NRG	A	93	—	—	40,748 Direct	+0.23%	Acquired	(price as of 2026-08-20)
Feb. 3, 2025	NRG	A	103	—	—	40,655 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Jan. 13, 2025	ABTC	P	96,824	$0.12	$11,619	96,824 Direct	—	Acquired	-5.3% (price as of 2026-08-20)
Jan. 13, 2025	ABTC	P	96,824	$0.39	$37,761	138,928 Direct	+229.96%	Acquired	-70.8% (price as of 2026-08-20)
Nov. 1, 2024	NRG	A	112	—	—	40,552 Direct	+0.28%	Acquired	(price as of 2026-08-20)
Oct. 31, 2024	ABTC	A	264,080	—	—	306,185 Direct	+627.19%	Acquired	(price as of 2026-08-20)
Aug. 26, 2024	ABTC	A	14,035	—	—	42,104 Direct	+50.00%	Acquired	(price as of 2026-08-20)
Aug. 1, 2024	NRG	A	132	—	—	40,437 Direct	+0.33%	Acquired	(price as of 2026-08-20)
June 1, 2024	NRG	A	2,334	—	—	40,305 Direct	+6.15%	Acquired	(price as of 2026-08-20)
May 1, 2024	NRG	A	150	—	—	37,971 Direct	+0.40%	Acquired	(price as of 2026-08-20)
Feb. 1, 2024	NRG	A	202	—	—	37,821 Direct	+0.54%	Acquired	(price as of 2026-08-20)
Nov. 1, 2023	NRG	A	229	—	—	37,619 Direct	+0.61%	Acquired	(price as of 2026-08-20)
Aug. 1, 2023	NRG	A	264	—	—	37,390 Direct	+0.71%	Acquired	(price as of 2026-08-20)
June 1, 2023	NRG	A	5,834	—	—	37,126 Direct	+18.64%	Acquired	(price as of 2026-08-20)
May 1, 2023	NRG	A	226	—	—	31,292 Direct	+0.73%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	NRG	A	220	—	—	31,066 Direct	+0.71%	Acquired	(price as of 2026-08-20)
Dec. 16, 2022	NRG	P	1,571	$31.32	$49,204	30,846 Direct	+5.37%	Acquired	282.6% (price as of 2026-08-20)
Nov. 1, 2022	NRG	A	159	—	—	29,275 Direct	+0.55%	Acquired	(price as of 2026-08-20)
Sept. 8, 2022	AUB	P	300	$33.46	$10,038	300 Direct	—	Acquired	23.5% (price as of 2026-08-20)
Aug. 1, 2022	NRG	A	184	—	—	29,115 Direct	+0.64%	Acquired	(price as of 2026-08-20)
June 1, 2022	NRG	A	4,155	—	—	28,931 Direct	+16.77%	Acquired	(price as of 2026-08-20)
May 2, 2022	NRG	A	147	—	—	24,770 Direct	+0.60%	Acquired	(price as of 2026-08-20)
Feb. 25, 2022	HUM	F	1,217	$428.27	$521,205	6,014 Direct	-16.83%	Disposed	-10.6% (price as of 2026-08-20)
Feb. 25, 2022	HUM	M	3,967	—	—	7,231 Direct	+121.54%	Acquired	(price as of 2026-08-20)
Feb. 21, 2022	HUM	A	794	—	—	794 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 21, 2022	HUM	A	2,877	—	—	2,877 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2022	NRG	A	138	—	—	24,623 Direct	+0.56%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	HUM	M	328	—	—	658 Direct	-33.27%	Disposed	(price as of 2026-08-20)
Dec. 15, 2021	HUM	M	356	—	—	357 Direct	-49.93%	Disposed	(price as of 2026-08-20)
Dec. 15, 2021	HUM	M	406	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 15, 2021	HUM	F	130	$459.85	$59,780	3,264 Direct	-3.83%	Disposed	-16.8% (price as of 2026-08-20)
Dec. 15, 2021	HUM	M	328	—	—	3,394 Direct	+10.70%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	HUM	F	141	$459.85	$64,839	3,066 Direct	-4.40%	Disposed	-16.8% (price as of 2026-08-20)
Dec. 15, 2021	HUM	M	356	—	—	3,207 Direct	+12.49%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	HUM	F	160	$459.85	$73,576	2,851 Direct	-5.31%	Disposed	-16.8% (price as of 2026-08-20)
Dec. 15, 2021	HUM	M	406	—	—	3,011 Direct	+15.59%	Acquired	(price as of 2026-08-20)
Nov. 1, 2021	NRG	A	122	—	—	24,485 Direct	+0.50%	Acquired	(price as of 2026-08-20)
Sept. 1, 2021	HUM	M	752	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 1, 2021	HUM	F	184	$403.05	$74,161	2,605 Direct	-6.60%	Disposed	-5.0% (price as of 2026-08-20)
Sept. 1, 2021	HUM	M	752	—	—	2,789 Direct	+36.92%	Acquired	(price as of 2026-08-20)
Aug. 2, 2021	NRG	A	119	—	—	24,363 Direct	+0.49%	Acquired	(price as of 2026-08-20)
June 1, 2021	NRG	A	5,176	—	—	24,244 Direct	+27.14%	Acquired	(price as of 2026-08-20)
May 3, 2021	NRG	A	90	—	—	19,068 Direct	+0.47%	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	HUM	A	986	—	—	986 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2021	HUM	A	4,057	—	—	4,057 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2021	NRG	A	75	—	—	18,978 Direct	+0.40%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	HUM	M	356	—	—	713 Direct	-33.30%	Disposed	(price as of 2026-08-20)
Dec. 15, 2020	HUM	M	406	—	—	406 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Dec. 15, 2020	HUM	F	161	$390.48	$62,867	2,037 Direct	-7.32%	Disposed	-2.0% (price as of 2026-08-20)
Dec. 15, 2020	HUM	M	356	—	—	2,198 Direct	+19.33%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	HUM	F	184	$390.48	$71,848	1,842 Direct	-9.08%	Disposed	-2.0% (price as of 2026-08-20)
Dec. 15, 2020	HUM	M	406	—	—	2,026 Direct	+25.06%	Acquired	(price as of 2026-08-20)
Nov. 2, 2020	NRG	A	90	—	—	18,903 Direct	+0.48%	Acquired	(price as of 2026-08-20)
Sept. 1, 2020	HUM	M	751	—	—	752 Direct	-49.97%	Disposed	(price as of 2026-08-20)
Sept. 1, 2020	HUM	F	308	$415.82	$128,073	1,620 Direct	-15.98%	Disposed	-7.9% (price as of 2026-08-20)
Sept. 1, 2020	HUM	M	751	—	—	1,928 Direct	+63.81%	Acquired	(price as of 2026-08-20)
Aug. 3, 2020	NRG	A	86	—	—	18,813 Direct	+0.46%	Acquired	(price as of 2026-08-20)
June 1, 2020	NRG	A	4,628	—	—	18,727 Direct	+32.83%	Acquired	(price as of 2026-08-20)
May 1, 2020	NRG	A	45	—	—	14,099 Direct	+0.32%	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	HUM	A	1,069	—	—	1,069 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 24, 2020	HUM	A	5,372	—	—	5,372 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2020	NRG	A	39	—	—	14,054 Direct	+0.28%	Acquired	(price as of 2026-08-20)
Dec. 24, 2019	HUM	P	380	$368.63	$140,079	380 Indirect	—	Acquired	3.8% (price as of 2026-08-20)
Dec. 24, 2019	HUM	P	370	$368.16	$136,219	1,177 Direct	+45.85%	Acquired	4.0% (price as of 2026-08-20)
Dec. 15, 2019	HUM	M	406	—	—	812 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Dec. 15, 2019	HUM	F	123	$350.41	$43,100	807 Direct	-13.23%	Disposed	9.2% (price as of 2026-08-20)
Dec. 15, 2019	HUM	M	406	—	—	930 Direct	+77.48%	Acquired	(price as of 2026-08-20)
Nov. 1, 2019	NRG	A	3	—	—	14,015 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Sept. 1, 2019	HUM	M	751	—	—	1,503 Direct	-33.32%	Disposed	(price as of 2026-08-20)
Sept. 1, 2019	HUM	F	227	$282.29	$64,080	524 Direct	-30.23%	Disposed	35.6% (price as of 2026-08-20)
Sept. 1, 2019	HUM	M	751	—	—	751 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 1, 2019	NRG	A	4	—	—	14,010 Direct	+0.03%	Acquired	(price as of 2026-08-20)
June 1, 2019	NRG	A	4,906	—	—	14,006 Direct	+53.91%	Acquired	(price as of 2026-08-20)
May 1, 2019	NRG	A	6	—	—	9,100 Direct	+0.07%	Acquired	(price as of 2026-08-20)
Feb. 25, 2019	HUM	A	1,218	—	—	1,218 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 25, 2019	HUM	A	5,388	—	—	5,388 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2019	NRG	A	6	—	—	9,094 Direct	+0.07%	Acquired	(price as of 2026-08-20)
Nov. 1, 2018	NRG	A	7	—	—	9,088 Direct	+0.08%	Acquired	(price as of 2026-08-20)
Sept. 1, 2018	HUM	A	2,254	—	—	2,254 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 1, 2018	HUM	A	10,155	—	—	10,155 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 1, 2018	NRG	A	8	—	—	9,081 Direct	+0.09%	Acquired	(price as of 2026-08-20)
June 1, 2018	NRG	A	4,925	—	—	9,073 Direct	+118.73%	Acquired	(price as of 2026-08-20)
May 1, 2018	NRG	A	4	—	—	4,148 Direct	+0.10%	Acquired	(price as of 2026-08-20)
March 19, 2018	NRG	A	4,144	—	—	4,144 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
Jan. 13, 2025	ABTC	Warrant to Purchase Common Stock	Common Stock (96,824)	$1.50	Jan. 13, 2035	96,824	Acquired
Feb. 21, 2022	HUM	Restricted Stock Units [F6]	Humana Common (794)	—	—	794	Acquired
Feb. 21, 2022	HUM	Options [F5]	Humana Common (2,877)	$425.06	Feb. 21, 2029	2,877	Acquired
Dec. 15, 2021	HUM	Restricted Stock Units [F6]	Humana Common (328)	—	—	328	Disposed
Dec. 15, 2021	HUM	Restricted Stock Units [F6]	Humana Common (356)	—	—	356	Disposed
Dec. 15, 2021	HUM	Restricted Stock Units [F5]	Humana Common (406)	—	—	406	Disposed
Sept. 1, 2021	HUM	Restricted Stock Units [F5]	Humana Common (752)	—	—	752	Disposed
Feb. 22, 2021	HUM	Restricted Stock Units [F6]	Humana Common (986)	—	—	986	Acquired
Feb. 22, 2021	HUM	Options [F4]	Humana Common (4,057)	$376.61	Feb. 22, 2028	4,057	Acquired
Dec. 15, 2020	HUM	Restricted Stock Units [F5]	Humana Common (356)	—	—	356	Disposed
Dec. 15, 2020	HUM	Restricted Stock Units [F4]	Humana Common (406)	—	—	406	Disposed
Sept. 1, 2020	HUM	Restricted Stock Units [F4]	Humana Common (751)	—	—	751	Disposed
Feb. 24, 2020	HUM	Restricted Stock Units [F5]	Humana Common (1,069)	—	—	1,069	Acquired
Feb. 24, 2020	HUM	Options [F3]	Humana Common (5,372)	$350.79	Feb. 24, 2027	5,372	Acquired
Dec. 15, 2019	HUM	Restricted Stock Units [F3]	Humana Common (406)	—	—	406	Disposed
Sept. 1, 2019	HUM	Restricted Stock Units [F3]	Humana Common (751)	—	—	751	Disposed
Feb. 25, 2019	HUM	Restricted Stock Units [F3]	Humana Common (1,218)	—	—	1,218	Acquired
Feb. 25, 2019	HUM	Options [F2]	Humana Common (5,388)	$307.96	Feb. 25, 2026	5,388	Acquired
Sept. 1, 2018	HUM	Restricted Stock Units [F2]	Humana Common (2,254)	—	—	2,254	Acquired
Sept. 1, 2018	HUM	Options [F1]	Humana Common (10,155)	$332.68	Sept. 1, 2025	10,155	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
Feb. 20, 2024	ABTC	Common Stock	28,069	Direct
Feb. 20, 2024	ABTC	Common Stock [F1]	56,140	Direct
Aug. 28, 2018	HUM	Humana Common	0	Direct