Bernadette Connaughton

Insider

First SEC filing: Oct. 28, 2021 · Latest: June 2, 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) 8 sells (S) Net: $-839,371 + 9 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

9 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 10, 2026	HALO	S 10b5-1	1,626	$102.80	$167,153	40,418 Direct	-3.87%	Disposed	3.3% (price as of 2026-08-19)
July 1, 2026	HALO	S 10b5-1	625	$77.21	$48,256	42,044 Direct	-1.46%	Disposed	37.5% (price as of 2026-08-19)
July 1, 2026	HALO	S 10b5-1	1,000	$76.40	$76,400	42,669 Direct	-2.29%	Disposed	38.9% (price as of 2026-08-19)
June 17, 2026	EDIT	A	51,700	—	—	51,700 Direct	—	Acquired	(price as of 2026-08-19)
June 1, 2026	HALO	S 10b5-1	1,625	$66.21	$107,591	43,669 Direct	-3.59%	Disposed	60.3% (price as of 2026-08-19)
May 5, 2026	HALO	A	6,040	—	—	6,040 Direct	—	Acquired	(price as of 2026-08-19)
May 5, 2026	HALO	A	6,796	—	—	45,294 Direct	+17.65%	Acquired	(price as of 2026-08-19)
May 1, 2026	HALO	S 10b5-1	1,625	$63.48	$103,155	38,498 Direct	-4.05%	Disposed	67.2% (price as of 2026-08-19)
Jan. 5, 2026	HALO	S 10b5-1	2,000	$70.25	$140,500	40,123 Direct	-4.75%	Disposed	51.1% (price as of 2026-08-19)
Dec. 1, 2025	HALO	S 10b5-1	829	$71.60	$59,356	42,123 Direct	-1.93%	Disposed	48.3% (price as of 2026-08-19)
Nov. 10, 2025	HALO	S 10b5-1	2,000	$68.48	$136,960	42,952 Direct	-4.45%	Disposed	55.0% (price as of 2026-08-19)
May 5, 2022	HALO	A	6,206	—	—	38,219 Direct	+19.39%	Acquired	(price as of 2026-08-19)
Oct. 26, 2021	EDIT	A	24,732	—	—	24,732 Direct	—	Acquired	(price as of 2026-08-19)
May 5, 2021	HALO	A	5,230	—	—	32,013 Direct	+19.53%	Acquired	(price as of 2026-08-19)
April 30, 2020	HALO	A	8,829	—	—	26,783 Direct	+49.18%	Acquired	(price as of 2026-08-19)
May 2, 2019	HALO	A	12,173	—	—	17,954 Direct	+210.57%	Acquired	(price as of 2026-08-19)
Sept. 7, 2018	HALO	A	5,781	—	—	5,781 Direct	—	Acquired	(price as of 2026-08-19)

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
June 17, 2026	EDIT	Stock Option (right to buy)	Common Stock (51,700)	$2.55	June 16, 2036	51,700	Acquired
May 5, 2026	HALO	Option to Purchase Common Stock	Common Stock (6,040)	$65.87	May 5, 2036	6,040	Acquired
Oct. 26, 2021	EDIT	Stock Option (right to buy)	Common Stock (24,732)	$37.90	Oct. 25, 2031	24,732	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
Oct. 28, 2021	EDIT	No securities are beneficially owned	0	Direct