TRANSOCEAN LTD

Ticker: RIG CUSIP: H8817H100 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2025

Shares 1,141,690 Value ($000) $4,715 Avg Close $3.88 Range $3.07 - $4.56

Q3 2024

Shares 679,750 Value ($000) $2,889 Avg Close $4.93 Range $3.85 - $5.98

Q2 2024

Shares 208,800 Value ($000) $1,117 Avg Close $5.78 Range $4.98 - $6.88

Q1 2024

Shares 417,600 Value ($000) $2,623 Avg Close $5.46 Range $4.45 - $6.47

Q4 2023

Shares 45,220 Value ($000) $287 Avg Close $6.69 Range $5.54 - $8.25

Q3 2023

Shares 257,750 Value ($000) $2,116 Avg Close $8.17 Range $6.92 - $8.88

Q1 2019

Shares 420,400 Value ($000) $3,662 Avg Close $8.57 Range $6.54 - $9.69

Q4 2018

Shares 214,820 Value ($000) $1,491 Avg Close $10.19 Range $6.19 - $14.47

Q3 2018

Shares 487,320 Value ($000) $6,798 Avg Close $12.42 Range $10.40 - $14.34

Q2 2018

Shares 487,320 Value ($000) $6,550 Avg Close $12.31 Range $9.36 - $14.16

Q1 2018

Shares 11,600 Value ($000) $115 Avg Close $10.30 Range $8.70 - $12.40

Q4 2017

Shares 11,600 Value ($000) $124 Avg Close $10.38 Range $9.33 - $11.78

Q3 2017

Shares 11,600 Value ($000) $125 Avg Close $8.61 Range $7.20 - $10.84

Q2 2017

Shares 11,600 Value ($000) $95 Avg Close $10.21 Range $7.67 - $13.04

Q1 2017

Shares 11,600 Value ($000) $144 Avg Close $13.74 Range $11.69 - $16.16

Q4 2016

Shares 11,600 Value ($000) $171 Avg Close $11.85 Range $9.10 - $16.66

Q3 2016

Shares 11,600 Value ($000) $124 Avg Close $10.57 Range $8.68 - $13.03

Q2 2016

Shares 11,600 Value ($000) $138 Avg Close $10.23 Range $8.34 - $12.05

Q1 2016

Shares 11,600 Value ($000) $106 Avg Close $9.94 Range $7.67 - $13.48

Q4 2015

Shares 11,600 Value ($000) $144 Avg Close $14.42 Range $11.95 - $17.19

Q3 2015

Shares 11,600 Value ($000) $150 Avg Close $13.88 Range $11.26 - $16.20

Q2 2015

Shares 11,600 Value ($000) $187 Avg Close $18.01 Range $14.44 - $21.90

Q1 2015

Shares 23,200 Value ($000) $340 Avg Close $16.21 Range $13.28 - $20.65

Q4 2014

Shares 11,600 Value ($000) $213 Avg Close $24.98 Range $15.97 - $32.41

Q3 2013

Shares 11,600 Value ($000) $371 Avg Close $47.28 Range $44.32 - $50.45

Q2 2013

Shares 27,700 Value ($000) $1,328 Avg Close $50.97 Range $46.02 - $55.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,141,690	$4,715	$3.88	$3.07 - $4.56
Q3 2024	679,750	$2,889	$4.93	$3.85 - $5.98
Q2 2024	208,800	$1,117	$5.78	$4.98 - $6.88
Q1 2024	417,600	$2,623	$5.46	$4.45 - $6.47
Q4 2023	45,220	$287	$6.69	$5.54 - $8.25
Q3 2023	257,750	$2,116	$8.17	$6.92 - $8.88
Q1 2019	420,400	$3,662	$8.57	$6.54 - $9.69
Q4 2018	214,820	$1,491	$10.19	$6.19 - $14.47
Q3 2018	487,320	$6,798	$12.42	$10.40 - $14.34
Q2 2018	487,320	$6,550	$12.31	$9.36 - $14.16
Q1 2018	11,600	$115	$10.30	$8.70 - $12.40
Q4 2017	11,600	$124	$10.38	$9.33 - $11.78
Q3 2017	11,600	$125	$8.61	$7.20 - $10.84
Q2 2017	11,600	$95	$10.21	$7.67 - $13.04
Q1 2017	11,600	$144	$13.74	$11.69 - $16.16
Q4 2016	11,600	$171	$11.85	$9.10 - $16.66
Q3 2016	11,600	$124	$10.57	$8.68 - $13.03
Q2 2016	11,600	$138	$10.23	$8.34 - $12.05
Q1 2016	11,600	$106	$9.94	$7.67 - $13.48
Q4 2015	11,600	$144	$14.42	$11.95 - $17.19
Q3 2015	11,600	$150	$13.88	$11.26 - $16.20
Q2 2015	11,600	$187	$18.01	$14.44 - $21.90
Q1 2015	23,200	$340	$16.21	$13.28 - $20.65
Q4 2014	11,600	$213	$24.98	$15.97 - $32.41
Q3 2013	11,600	$371	$47.28	$44.32 - $50.45
Q2 2013	27,700	$1,328	$50.97	$46.02 - $55.79