John Brendan Doyle

Insider

First SEC filing: July 31, 2025 · Latest: July 31, 2025

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

CGTX buying April 16, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $11,300 + 16 non-open-market transactions below Avg return of open purchases vs now: -14.4% 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

16 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 1, 2026	CGTX	F	8,567	$1.28	$10,966	618,942 Direct	-1.37%	Disposed	-24.4% (price as of 2026-08-20)
April 16, 2026	CGTX	P	10,000	$1.13	$11,300	627,509 Direct	+1.62%	Acquired	-14.4% (price as of 2026-08-20)
Feb. 15, 2026	CGTX	F	1,560	$1.12	$1,747	617,509 Direct	-0.25%	Disposed	-13.7% (price as of 2026-08-20)
Feb. 4, 2026	CGTX	F	26,921	$1.03	$27,729	619,069 Direct	-4.17%	Disposed	-6.1% (price as of 2026-08-20)
Feb. 3, 2026	CGTX	A	200,000	—	—	645,990 Direct	+44.84%	Acquired	(price as of 2026-08-20)
Dec. 18, 2025	CGTX	F	9,360	$1.50	$14,040	445,990 Direct	-2.06%	Disposed	-35.5% (price as of 2026-08-20)
Dec. 18, 2025	CGTX	A	30,000	—	—	455,350 Direct	+7.05%	Acquired	(price as of 2026-08-20)
July 29, 2025	CGTX	F	9,360	$0.67	$6,271	425,350 Direct	-2.15%	Disposed	44.3% (price as of 2026-08-20)
July 29, 2025	CGTX	A	30,000	—	—	434,710 Direct	+7.41%	Acquired	(price as of 2026-08-20)
May 1, 2025	CGTX	F	9,692	$0.45	$4,361	404,710 Direct	-2.34%	Disposed	114.9% (price as of 2026-08-20)
Feb. 15, 2025	CGTX	F	1,723	$0.59	$1,017	414,402 Direct	-0.41%	Disposed	63.9% (price as of 2026-08-20)
Feb. 4, 2025	CGTX	A	295,000	—	—	416,125 Direct	+243.55%	Acquired	(price as of 2026-08-20)
May 1, 2024	CGTX	F	8,699	$1.95	$16,963	121,125 Direct	-6.70%	Disposed	-50.4% (price as of 2026-08-20)
Feb. 15, 2024	CGTX	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 15, 2024	CGTX	A	20,000	—	—	129,824 Direct	+18.21%	Acquired	(price as of 2026-08-20)
May 1, 2023	CGTX	A	109,824	—	—	109,824 Direct	—	Acquired	(price as of 2026-08-20)
May 1, 2023	CGTX	A	109,824	—	—	109,824 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
Feb. 15, 2024	CGTX	Stock Option (Right to Buy)	Common Stock (20,000)	$1.98	Feb. 15, 2034	20,000	Acquired
May 1, 2023	CGTX	Stock Option (right to buy)	Common Stock (109,824)	$1.65	May 1, 2033	109,824	Acquired

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

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

CGTX

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2024	$445,000	—	$158,400	$31,231	$156,640	—	$18,300	$809,571
2023	$276,667	$40,000	$181,210	$141,169	$94,067	—	$4,150	$737,263

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.