William W Burke

CIK 1200612 · View on SEC EDGAR ↗

Insider

First SEC filing: June 4, 2026 · Latest: June 4, 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) 3 sells (S) Net: $-764,458 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 30, 2026	CBLL	S 10b5-1	2,207	$19.84	$43,787	23,022 Direct	-8.75%	Disposed	25.5% (price as of 2026-08-20)
June 2, 2026	CBLL	A	7,838	—	—	25,229 Direct	+45.07%	Acquired	(price as of 2026-08-20)
May 6, 2026	TCMD	A	6,521	—	—	55,041 Direct	+13.44%	Acquired	(price as of 2026-08-20)
Dec. 9, 2025	CBLL	M 10b5-1	23,000	—	—	25,151 Direct	-47.77%	Disposed	(price as of 2026-08-20)
Dec. 9, 2025	CBLL	M 10b5-1	9,728	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 9, 2025	CBLL	S 10b5-1	23,000	$22.02	$506,460	17,391 Direct	-56.94%	Disposed	13.0% (price as of 2026-08-20)
Dec. 9, 2025	CBLL	M 10b5-1	23,000	$4.70	$108,100	40,391 Direct	+132.25%	Acquired	429.6% (price as of 2026-08-20)
Dec. 9, 2025	CBLL	S 10b5-1	9,728	$22.02	$214,211	17,391 Direct	-35.87%	Disposed	13.0% (price as of 2026-08-20)
Dec. 9, 2025	CBLL	M 10b5-1	9,728	$2.26	$21,985	27,119 Direct	+55.94%	Acquired	1001.3% (price as of 2026-08-20)
Nov. 13, 2025	CVSA	F	390	$96.26	$37,541	10,423 Direct	-3.61%	Disposed	37.1% (price as of 2026-08-20)
Nov. 12, 2025	CVSA	A	1,445	$96.86	$139,963	10,813 Direct	+15.42%	Acquired	36.3% (price as of 2026-08-20)
June 10, 2025	CBLL	A	8,828	—	—	17,391 Direct	+103.09%	Acquired	(price as of 2026-08-20)
June 5, 2025	CVSA	S	2,291	$128.35	$294,050	9,368 Direct	-19.65%	Disposed	2.9% (price as of 2026-08-20)
Nov. 29, 2024	CVSA	S	4,000	$90.39	$361,560	11,659 Direct	-25.54%	Disposed	46.1% (price as of 2026-08-20)
Nov. 13, 2024	CVSA	A	1,560	$89.85	$140,166	15,659 Direct	+11.06%	Acquired	46.9% (price as of 2026-08-20)
Nov. 8, 2024	CVSA	F	752	$91.23	$68,605	14,099 Direct	-5.06%	Disposed	44.7% (price as of 2026-08-20)
Oct. 11, 2024	CBLL	A	6,618	—	—	8,563 Direct	+340.26%	Acquired	(price as of 2026-08-20)
Nov. 9, 2023	CVSA	F	950	$55.19	$52,430	14,851 Direct	-6.01%	Disposed	139.2% (price as of 2026-08-20)
Nov. 8, 2023	CVSA	A	2,530	$55.32	$139,960	15,801 Direct	+19.06%	Acquired	138.6% (price as of 2026-08-20)
Aug. 14, 2023	CVSA	S	1,500	$43.60	$65,400	13,271 Direct	-10.16%	Disposed	202.8% (price as of 2026-08-20)
Nov. 22, 2022	CVSA	S	900	$40.66	$36,594	14,771 Direct	-5.74%	Disposed	224.7% (price as of 2026-08-20)
Nov. 10, 2022	CVSA	F	1,292	$42.91	$55,440	15,671 Direct	-7.62%	Disposed	207.7% (price as of 2026-08-20)
Nov. 9, 2022	CVSA	A	2,930	$42.69	$125,082	16,963 Direct	+20.88%	Acquired	209.2% (price as of 2026-08-20)
Nov. 17, 2021	CVSA	F	2,098	$31.73	$66,570	14,033 Direct	-13.01%	Disposed	316.1% (price as of 2026-08-20)
Nov. 10, 2021	CVSA	A	3,690	$33.84	$124,870	16,131 Direct	+29.66%	Acquired	290.1% (price as of 2026-08-20)
Feb. 4, 2021	CVSA	P	1,000	$40.06	$40,060	12,441 Direct	+8.74%	Acquired	229.5% (price as of 2026-08-20)
Nov. 17, 2020	CVSA	A	4,370	—	—	11,441 Direct	+61.80%	Acquired	(price as of 2026-08-20)
Nov. 6, 2020	CVSA	F	1,182	$26.03	$30,767	7,071 Direct	-14.32%	Disposed	407.2% (price as of 2026-08-20)
Nov. 6, 2019	CVSA	A	3,940	—	—	8,253 Direct	+91.35%	Acquired	(price as of 2026-08-20)
Nov. 6, 2019	CVSA	F	491	$31.74	$15,584	4,313 Direct	-10.22%	Disposed	315.9% (price as of 2026-08-20)
Nov. 8, 2018	CVSA	F	726	$57.87	$42,014	4,804 Direct	-13.13%	Disposed	128.1% (price as of 2026-08-20)
Nov. 6, 2018	CVSA	A	2,230	—	—	5,530 Direct	+67.58%	Acquired	(price as of 2026-08-20)
Nov. 7, 2017	CVSA	A	3,300	—	—	3,300 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
Dec. 9, 2025	CBLL	Stock Option (Right to Buy)	Common Stock (23,000)	$4.70	June 23, 2032	23,000	Disposed
Dec. 9, 2025	CBLL	Stock Option (Right to Buy)	Common Stock (9,728)	$2.26	Sept. 10, 2030	9,728	Disposed

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
Oct. 10, 2024	CBLL	Common Stock	1,945	Direct
Oct. 10, 2024	CBLL	Stock Option (Right to Buy)→ Common Stock (9,728)	9,728	Direct
Oct. 10, 2024	CBLL	Stock Option (Right to Buy)→ Common Stock (48,151)	48,151	Direct