LEE JAMES CI (EVP & CLO) sold 42.5% of their position (3.94K shares) of SEAGATE TECHNOLOGY HOLDINGS PLC on the open market

Open‑market sale worth $3.35M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

LEE JAMES CI

Filed: 8/24/2026ACC: 0001137789-26-000185

InsiderLEE JAMES CICIK 1773423

→

IssuerSEAGATE TECHNOLOGY HOLDINGS PLCCIK 1137789

Officer· EVP & CLO

Since Jan 2026

+3.02K

Net shares

Net buyer

$3.35M

Total sold

Open market trades

0B · 3S

Total transactions

15.87K acquired · 12.86K disposed

Non-Derivative Transactions6

Ordinary Shares

Direct

M · Option Exercise

+1.51K

Price / share

—

Trade value

—

% of position

436.0%

8/20/2026

346.75→1.86K

Ordinary Shares

Direct

M · Option Exercise

+1.71K

Price / share

—

Trade value

—

% of position

143.6%

8/20/2026

1.19K→2.90K

Ordinary Shares

Direct

M · Option Exercise

+5.70K

Price / share

—

Trade value

—

% of position

265.5%

8/20/2026

2.15K→7.84K

Ordinary Shares

Direct

S · Sale

−667.75

Price / share

$849.35

Trade value

$567.16K

% of position

35.9%

8/21/2026

1.86K→1.19K

Ordinary Shares

Direct

S · Sale

−755.00

Price / share

$849.35

Trade value

$641.26K

% of position

26.0%

8/21/2026

2.90K→2.15K

Ordinary Shares

Direct

S · Sale

−2.52K

Price / share

$849.35

Trade value

$2.14M

% of position

32.1%

8/21/2026

7.84K→5.33K

Total

Net shares

+4.98K

Net value

-$3.35M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Ordinary Shares Direct	8/20/2026	M · Option Exercise	+1.51K	—	—	436.0%	346.75	1.86K
Ordinary Shares Direct	8/20/2026	M · Option Exercise	+1.71K	—	—	143.6%	1.19K	2.90K
Ordinary Shares Direct	8/20/2026	M · Option Exercise	+5.70K	—	—	265.5%	2.15K	7.84K
Ordinary Shares Direct	8/21/2026	S · Sale	−667.75	$849.35	$567.16K	35.9%	1.86K	1.19K
Ordinary Shares Direct	8/21/2026	S · Sale	−755.00	$849.35	$641.26K	26.0%	2.90K	2.15K
Ordinary Shares Direct	8/21/2026	S · Sale	−2.52K	$849.35	$2.14M	32.1%	7.84K	5.33K
Total			+4.98K		-$3.35M

Derivative Transactions7

Restricted Share Unit

Direct

M · Option Exercise

Converts to

Ordinary Shares

1.51K shares

−1.51K

Strike price

Held after

4.54K

Exercisable

—

8/20/2026

Restricted Share Unit

Direct

M · Option Exercise

Converts to

Ordinary Shares

1.71K shares

−1.71K

Strike price

Held after

0.00

Exercisable

—

8/20/2026

Restricted Share Unit

Direct

M · Option Exercise

Converts to

Ordinary Shares

5.70K shares

−5.70K

Strike price

Held after

0.00

Exercisable

—

8/20/2026

Restricted Share Unit

Direct

A · Award

Converts to

Ordinary Shares

1.42K shares

+1.42K

Strike price

Held after

1.42K

Exercisable

—

8/20/2026

Restricted Share Unit

Direct

A · Award

Converts to

Ordinary Shares

1.34K shares

+1.34K

Strike price

Held after

1.34K

Exercisable

—

8/20/2026

Restricted Share Unit

Direct

A · Award

Converts to

Ordinary Shares

403.00 shares

+403.00

Strike price

Held after

403.00

Exercisable

—

8/20/2026

NQ Options

Direct

A · Award

Converts to

Ordinary Shares

3.79K shares

+3.79K

Strike price

850.24

Held after

3.79K

Exercisable

—

8/20/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Share Unit Direct	Ordinary Shares1.51K shares	8/20/2026	M · Option Exercise	−1.51K	0	—	4.54K
Restricted Share Unit Direct	Ordinary Shares1.71K shares	8/20/2026	M · Option Exercise	−1.71K	0	—	0.00
Restricted Share Unit Direct	Ordinary Shares5.70K shares	8/20/2026	M · Option Exercise	−5.70K	0	—	0.00
Restricted Share Unit Direct	Ordinary Shares1.42K shares	8/20/2026	A · Award	+1.42K	0	—	1.42K
Restricted Share Unit Direct	Ordinary Shares1.34K shares	8/20/2026	A · Award	+1.34K	0	—	1.34K
Restricted Share Unit Direct	Ordinary Shares403.00 shares	8/20/2026	A · Award	+403.00	0	—	403.00
NQ Options Direct	Ordinary Shares3.79K shares	8/20/2026	A · Award	+3.79K	850.24	—	3.79K