Michael W Sumruld

Insider

First SEC filing: Sept. 18, 2025 · Latest: Feb. 24, 2026

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Feb. 20, 2026	OII	A	25,050	—	—	25,050 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 20, 2026	OII	A	25,050	—	—	25,050 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 16, 2017	LYB	A	4,063	—	—	4,063 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 16, 2017	LYB	A	945	—	—	945 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.

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

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Feb. 20, 2026	OII	Restricted Stock Units	Common Stock (25,050)	—	—	25,050	Acquired
Feb. 20, 2026	OII	Performance Stock Units	Common Stock (25,050)	—	Dec. 31, 2028	25,050	Acquired
Feb. 16, 2017	LYB	Opt - Stock Option	Class A ordinary shares (4,063)	$92.69	Feb. 16, 2027	4,063	Acquired

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
Sept. 18, 2025	OII	Common Stock [F1]	0	Direct