Laurie Stelzer

Insider

First SEC filing: Feb. 6, 2025 · Latest: June 5, 2026

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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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 63 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

63 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 17, 2026	SION	A	17,340	—	—	17,340 Direct	—	Acquired	(price as of 2026-08-20)
June 4, 2026	MBX	A	12,500	—	—	12,500 Direct	—	Acquired	(price as of 2026-08-20)
June 4, 2026	PMVP	A	42,000	$1.19	$49,980	—	—	—	12.6% (price as of 2026-08-20)
Jan. 20, 2026	MBX	A	32,000	—	—	32,000 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2024	PMVP	A	67,500	—	—	67,500 Direct	—	Acquired	(price as of 2026-08-20)
May 14, 2024	SYRE	A	11,323	—	—	11,323 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 22, 2023	SYRE	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2023	PMVP	A	21,500	—	—	21,500 Direct	—	Acquired	(price as of 2026-08-20)
June 2, 2022	PMVP	A	19,500	—	—	19,500 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 2, 2021	PMVP	A	16,333	—	—	16,333 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2020	HALO	M	11,392	—	—	11,392 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2020	HALO	F	4,508	$21.83	$98,410	116,167 Direct	-3.74%	Disposed	386.9% (price as of 2026-08-20)
Feb. 22, 2020	HALO	M	11,392	—	—	120,675 Direct	+10.42%	Acquired	(price as of 2026-08-20)
Feb. 14, 2020	HALO	M	7,809	—	—	15,616 Direct	-33.34%	Disposed	(price as of 2026-08-20)
Feb. 14, 2020	HALO	F	2,700	$21.10	$56,970	109,283 Direct	-2.41%	Disposed	403.8% (price as of 2026-08-20)
Feb. 14, 2020	HALO	M	7,809	—	—	111,983 Direct	+7.50%	Acquired	(price as of 2026-08-20)
Feb. 12, 2020	HALO	M	11,262	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 12, 2020	HALO	F	3,894	$20.00	$77,880	104,174 Direct	-3.60%	Disposed	431.5% (price as of 2026-08-20)
Feb. 12, 2020	HALO	M	11,262	—	—	108,068 Direct	+11.63%	Acquired	(price as of 2026-08-20)
Feb. 10, 2020	HALO	A	32,533	—	—	32,533 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 10, 2020	HALO	A	69,174	—	—	69,174 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2020	HALO	M	23,119	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2020	HALO	F	8,275	$19.21	$158,963	96,806 Direct	-7.87%	Disposed	453.4% (price as of 2026-08-20)
Feb. 3, 2020	HALO	M	23,119	—	—	105,081 Direct	+28.21%	Acquired	(price as of 2026-08-20)
June 15, 2019	HALO	M	6,875	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 15, 2019	HALO	F	3,408	$15.73	$53,608	81,962 Direct	-3.99%	Disposed	575.8% (price as of 2026-08-20)
June 15, 2019	HALO	M	6,875	—	—	85,370 Direct	+8.76%	Acquired	(price as of 2026-08-20)
Feb. 22, 2019	HALO	M	11,392	—	—	22,784 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 22, 2019	HALO	F	3,939	$16.81	$66,215	78,495 Direct	-4.78%	Disposed	532.4% (price as of 2026-08-20)
Feb. 22, 2019	HALO	M	11,392	—	—	82,434 Direct	+16.04%	Acquired	(price as of 2026-08-20)
Feb. 14, 2019	HALO	M	7,809	—	—	23,425 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Feb. 14, 2019	HALO	F	2,700	$16.54	$44,658	71,042 Direct	-3.66%	Disposed	542.7% (price as of 2026-08-20)
Feb. 14, 2019	HALO	M	7,809	—	—	73,742 Direct	+11.84%	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	HALO	A	45,046	—	—	45,046 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 12, 2019	HALO	A	85,922	—	—	85,922 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2019	HALO	M	23,119	—	—	23,119 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2019	HALO	F	8,317	$16.12	$134,070	65,933 Direct	-11.20%	Disposed	559.4% (price as of 2026-08-20)
Feb. 3, 2019	HALO	M	23,119	—	—	74,250 Direct	+45.22%	Acquired	(price as of 2026-08-20)
June 15, 2018	HALO	M	6,875	—	—	6,875 Direct	-50.00%	Disposed	(price as of 2026-08-20)
June 15, 2018	HALO	F	3,254	$19.02	$61,891	51,131 Direct	-5.98%	Disposed	458.9% (price as of 2026-08-20)
June 15, 2018	HALO	M	6,875	—	—	54,385 Direct	+14.47%	Acquired	(price as of 2026-08-20)
Feb. 22, 2018	HALO	M	11,392	—	—	34,176 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Feb. 22, 2018	HALO	F	3,939	$19.28	$75,944	47,510 Direct	-7.66%	Disposed	451.3% (price as of 2026-08-20)
Feb. 22, 2018	HALO	M	11,392	—	—	51,449 Direct	+28.44%	Acquired	(price as of 2026-08-20)
Feb. 14, 2018	HALO	A	31,234	—	—	31,234 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 14, 2018	HALO	A	54,780	—	—	54,780 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2018	HALO	M	23,120	—	—	46,238 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Feb. 3, 2018	HALO	F	8,265	$18.37	$151,828	40,057 Direct	-17.10%	Disposed	478.7% (price as of 2026-08-20)
Feb. 3, 2018	HALO	M	23,120	—	—	48,322 Direct	+91.74%	Acquired	(price as of 2026-08-20)
June 15, 2017	HALO	F	2,583	$13.05	$33,708	25,202 Direct	-9.30%	Disposed	714.6% (price as of 2026-08-20)
June 15, 2017	HALO	M	6,875	—	—	13,750 Direct	-33.33%	Disposed	(price as of 2026-08-20)
June 15, 2017	HALO	M	6,875	—	—	27,785 Direct	+32.88%	Acquired	(price as of 2026-08-20)
Feb. 22, 2017	HALO	A	45,568	—	—	45,568 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 22, 2017	HALO	A	72,925	—	—	72,925 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2017	HALO	M	23,120	—	—	69,358 Direct	-25.00%	Disposed	(price as of 2026-08-20)
Feb. 3, 2017	HALO	F	9,085	$12.26	$111,382	20,910 Direct	-30.29%	Disposed	767.0% (price as of 2026-08-20)
Feb. 3, 2017	HALO	M	23,120	—	—	29,995 Direct	+336.29%	Acquired	(price as of 2026-08-20)
June 15, 2016	HALO	M	6,875	—	—	20,625 Direct	-25.00%	Disposed	(price as of 2026-08-20)
June 15, 2016	HALO	M	6,875	—	—	16,875 Direct	+68.75%	Acquired	(price as of 2026-08-20)
Feb. 3, 2016	HALO	A	92,478	—	—	92,478 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 3, 2016	HALO	A	104,603	—	—	104,603 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 20, 2015	HALO	P	10,000	$17.24	$172,400	10,000 Indirect	—	Acquired	516.6% (price as of 2026-08-20)
June 15, 2015	HALO	A	27,500	—	—	27,500 Direct	—	Acquired	(price as of 2026-08-20)
June 15, 2015	HALO	A	225,000	—	—	225,000 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
June 17, 2026	SION	Non-Qualified Stock Option (right to buy)	Common Stock (17,340)	$36.73	June 16, 2036	17,340	Acquired
June 4, 2026	MBX	Stock option (right to buy)	Common Stock (12,500)	$30.91	June 4, 2036	12,500	Acquired
Jan. 20, 2026	MBX	Stock option (right to buy)	Common Stock (32,000)	$43.14	Jan. 20, 2036	32,000	Acquired
June 6, 2024	PMVP	Stock Option (right to buy)	Common Stock (67,500)	$1.65	June 5, 2034	67,500	Acquired
May 14, 2024	SYRE	Stock Option (Right to Buy)	Common Stock (11,323)	$39.29	May 14, 2034	11,323	Acquired
Nov. 22, 2023	SYRE	Stock Option (Right to Buy)	Common Stock (50,000)	$10.39	Nov. 22, 2033	50,000	Acquired
June 8, 2023	PMVP	Stock Option (right to buy)	Common Stock (21,500)	$5.59	June 7, 2033	21,500	Acquired
June 2, 2022	PMVP	Stock Option	Common Stock (19,500)	$13.56	June 1, 2032	19,500	Disposed
June 2, 2021	PMVP	Stock Option	Common Stock (16,333)	$32.29	June 1, 2031	16,333	Disposed
Feb. 22, 2020	HALO	Restricted Stock Units	Common Stock (11,392)	$0.00	—	11,392	Disposed
Feb. 14, 2020	HALO	Restricted Stock Units	Common Stock (7,809)	$0.00	—	7,809	Disposed
Feb. 12, 2020	HALO	Restricted Stock Units	Common Stock (33,784)	$0.00	—	11,262	Disposed
Feb. 10, 2020	HALO	Restricted Stock Units	Common Stock (32,533)	$0.00	—	32,533	Acquired
Feb. 10, 2020	HALO	Option to Purchase Common Stock	Common Stock (69,174)	$19.98	Feb. 10, 2030	69,174	Acquired
Feb. 3, 2020	HALO	Restricted Stock Units	Common Stock (23,119)	$0.00	—	23,119	Disposed
June 15, 2019	HALO	Restricted Stock Units	Common Stock (6,875)	$0.00	—	6,875	Disposed
Feb. 22, 2019	HALO	Restricted Stock Units	Common Stock (11,392)	$0.00	—	11,392	Disposed
Feb. 14, 2019	HALO	Restricted Stock Units	Common Stock (7,809)	$0.00	—	7,809	Disposed
Feb. 12, 2019	HALO	Restricted Stock Units	Common Stock (45,046)	$0.00	—	45,046	Acquired
Feb. 12, 2019	HALO	Option to Purchase Common Stock	Common Stock (85,922)	$16.65	Feb. 12, 2029	85,922	Acquired
Feb. 3, 2019	HALO	Restricted Stock Units	Common Stock (23,119)	$0.00	—	23,119	Disposed
June 15, 2018	HALO	Restricted Stock Units	Common Stock (6,875)	$0.00	—	6,875	Disposed
Feb. 22, 2018	HALO	Restricted Stock Units	Common Stock (11,392)	$0.00	—	11,392	Disposed
Feb. 14, 2018	HALO	Restricted Stock Units	Common Stock (31,234)	$0.00	—	31,234	Acquired
Feb. 14, 2018	HALO	Option to Purchase Common Stock	Common Stock (54,780)	$18.41	Feb. 14, 2028	54,780	Acquired
Feb. 3, 2018	HALO	Restricted Stock Units	Common Stock (23,120)	$0.00	—	23,120	Disposed
June 15, 2017	HALO	Restricted Stock Units	Common Stock (6,875)	$0.00	—	6,875	Disposed
Feb. 22, 2017	HALO	Restricted Stock Units	Common Stock (45,568)	$0.00	—	45,568	Acquired
Feb. 22, 2017	HALO	Option to Purchase Common Stock	Common Stock (72,925)	$12.07	Feb. 22, 2027	72,925	Acquired
Feb. 3, 2017	HALO	Restricted Stock Units	Common Stock (23,120)	$0.00	—	23,120	Disposed
June 15, 2016	HALO	Restricted Stock Units	Common Stock (6,875)	$0.00	—	6,875	Disposed
Feb. 3, 2016	HALO	Restricted Stock Units	Common Stock (92,478)	$92478.00	Feb. 3, 2026	92,478	Acquired
Feb. 3, 2016	HALO	Option to Purchase Common Stock	Common Stock (104,603)	$8.11	Feb. 3, 2026	104,603	Acquired
June 15, 2015	HALO	Restricted Stock Units	Common Stock (27,500)	$0.00	June 15, 2025	27,500	Acquired
June 15, 2015	HALO	Options to Purchase Common Stock	Common Stock (225,000)	$20.43	June 15, 2025	225,000	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 6, 2025	SION	Stock Option (Right to Buy)→ Common Stock (44,480)	44,480	Direct
Sept. 24, 2020	PMVP	Stock Option (right to buy)→ Common Stock (32,667)	32,667	Direct

Compensation (DEF 14A)

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

HALO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2020	$93,225	—	—	—	—	—	$77,996	$171,221

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