OCEANEERING INTL INC

Ticker: OII CUSIP: 675232102 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 155,434 Value ($000) $3,735 Avg Close $24.15 Range $22.02 - $27.71

Q3 2025

Shares 159,261 Value ($000) $3,946 Avg Close $22.93 Range $20.21 - $26.30

Q2 2025

Shares 100,336 Value ($000) $2,079 Avg Close $19.28 Range $15.46 - $22.69

Q3 2023

Shares 50,700 Value ($000) $1,304 Avg Close $22.84 Range $18.56 - $27.46

Q3 2018

Shares 33,476 Value ($000) $924 Avg Close $26.65 Range $24.69 - $28.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	155,434	$3,735	$24.15	$22.02 - $27.71
Q3 2025	159,261	$3,946	$22.93	$20.21 - $26.30
Q2 2025	100,336	$2,079	$19.28	$15.46 - $22.69
Q3 2023	50,700	$1,304	$22.84	$18.56 - $27.46
Q3 2018	33,476	$924	$26.65	$24.69 - $28.62