Keith Valentine

Insider

First SEC filing: Jan. 9, 2023 · Latest: June 12, 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

3 buys (P) 0 sells (S) Net: $996,192 + 7 non-open-market transactions below Avg return of open purchases vs now: 31.0% 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

7 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 10, 2026	ATEC	A	32,012	—	—	264,283 Direct	+13.78%	Acquired	(price as of 2026-08-20)
May 11, 2026	ATEC	P	35,000	$7.00	$245,000	232,271 Direct	+17.74%	Acquired	37.3% (price as of 2026-08-20)
May 8, 2026	ATEC	P	43,847	$7.54	$330,606	197,271 Direct	+28.58%	Acquired	27.5% (price as of 2026-08-20)
May 7, 2026	ATEC	P	56,153	$7.49	$420,586	153,424 Direct	+57.73%	Acquired	28.3% (price as of 2026-08-20)
Feb. 28, 2023	OFIX	F	16,290	$20.60	$335,574	377,741 Direct	-4.13%	Disposed	-48.9% (price as of 2026-08-20)
Jan. 30, 2023	OFIX	F	5,824	$21.22	$123,585	394,031 Direct	-1.46%	Disposed	-50.4% (price as of 2026-08-20)
Jan. 5, 2023	OFIX	A	140,515	—	—	399,855 Direct	+54.18%	Acquired	(price as of 2026-08-20)
Jan. 5, 2023	OFIX	A	338,264	—	—	338,264 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 19, 2018	SIBN	C	9,966	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 19, 2018	SIBN	C	9,966	—	—	31,374 Direct	+46.55%	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
Jan. 5, 2023	OFIX	Employee Stock Option (Right to Buy)	Common Stock (338,264)	$20.90	Jan. 5, 2033	338,264	Acquired
Oct. 19, 2018	SIBN	Series 7 Preferred Stock	Common Stock (9,966)	—	—	9,966	Disposed

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

Initial ownership (Form 3) 11 holdings

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

Date	Ticker	Security	Shares	Ownership
Jan. 9, 2023	OFIX	Common Stock	259,340	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Jan. 9, 2023	OFIX	Employee Stock Option (Right to Buy)→ Common Stock	—	Direct
Oct. 16, 2018	SIBN	Common Stock	21,408	Direct
Oct. 16, 2018	SIBN	Series 7 Preferred Stock→ Common Stock (9,966)	9,966	Direct
Oct. 16, 2018	SIBN	Stock Option (right to buy)→ Common Stock (22,222)	22,222	Direct

Compensation (DEF 14A)

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

OFIX

President

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$598,731	—	—	—	—	—	$12,263	$6,484,267

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