Michele Marie Miller

Insider

First SEC filing: Nov. 2, 2018 · Latest: Nov. 2, 2018

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 1, 2025	OSUR	F	5,030	$3.63	$18,259	143,502 Direct	-3.39%	Disposed	3.4% (price as of 2026-08-21)
March 1, 2025	OSUR	A	52,166	—	—	148,532 Direct	+54.13%	Acquired	(price as of 2026-08-21)
Feb. 1, 2025	OSUR	F	766	$3.95	$3,026	96,366 Direct	-0.79%	Disposed	-5.0% (price as of 2026-08-21)
Jan. 5, 2025	OSUR	F	4,822	$3.78	$18,227	97,132 Direct	-4.73%	Disposed	-0.7% (price as of 2026-08-21)
March 1, 2024	OSUR	F	2,708	$7.19	$19,471	101,954 Direct	-2.59%	Disposed	-47.8% (price as of 2026-08-21)
March 1, 2024	OSUR	A	24,336	—	—	104,662 Direct	+30.30%	Acquired	(price as of 2026-08-21)
Feb. 1, 2024	OSUR	F	1,039	$7.40	$7,689	80,326 Direct	-1.28%	Disposed	-49.3% (price as of 2026-08-21)
Jan. 5, 2024	OSUR	F	4,823	$8.19	$39,500	81,365 Direct	-5.60%	Disposed	-54.2% (price as of 2026-08-21)
Aug. 15, 2023	OSUR	M	1,758	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 15, 2023	OSUR	S	1,758	$6.50	$11,427	86,188 Direct	-2.00%	Disposed	-42.3% (price as of 2026-08-21)
Aug. 15, 2023	OSUR	M	1,758	$5.71	$10,038	87,946 Direct	+2.04%	Acquired	-34.3% (price as of 2026-08-21)
March 1, 2023	OSUR	A	28,367	—	—	86,188 Direct	+49.06%	Acquired	(price as of 2026-08-21)
Feb. 1, 2023	OSUR	F	766	$5.44	$4,167	57,821 Direct	-1.31%	Disposed	-31.0% (price as of 2026-08-21)
Feb. 1, 2023	OSUR	F	385	$5.44	$2,094	58,587 Direct	-0.65%	Disposed	-31.0% (price as of 2026-08-21)
Feb. 1, 2023	OSUR	F	853	$5.44	$4,640	58,972 Direct	-1.43%	Disposed	-31.0% (price as of 2026-08-21)
Jan. 5, 2023	OSUR	F	4,800	$4.88	$23,424	59,825 Direct	-7.43%	Disposed	-23.1% (price as of 2026-08-21)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 15, 2023	OSUR	Non-Qualified Stock Options	Common Stock (1,758)	$5.71	Feb. 3, 2024	1,758	Disposed

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

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

Date	Ticker	Security	Shares	Ownership
Nov. 2, 2018	OSUR	Common Stock	1,573	Direct
Nov. 2, 2018	OSUR	Common Stock	1,130	Direct
Nov. 2, 2018	OSUR	Common Stock	1,288	Direct
Nov. 2, 2018	OSUR	Common Stock	974	Direct
Nov. 2, 2018	OSUR	Non-Qualified Stock Options→ Common Stock (1,758)	1,758	Direct
Nov. 2, 2018	OSUR	Non-Qualified Stock Options→ Common Stock (2,362)	2,362	Direct
Nov. 2, 2018	OSUR	Non-Qualified Stock Options→ Common Stock (7,140)	7,140	Direct
Nov. 2, 2018	OSUR	Non-Qualified Stock Options→ Common Stock (6,091)	6,091	Direct
Nov. 2, 2018	OSUR	Non-Qualified Stock Options→ Common Stock (3,254)	3,254	Direct