MASSENGILL MATTHEW E

PrivateCIK: 1232826
Location

SAN JOSE, CA

MASSENGILL MATTHEW E sold 36.93K shares of WESTERN DIGITAL CORP on the open market

Open‑market sale worth $9.62M. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 11 sales
InsiderMASSENGILL MATTHEW ECIK 1232826
IssuerWESTERN DIGITAL CORPCIK 106040
Director
Since Jul 2018
-36.93K
Net shares
Net seller
$9.62M
Total sold
11
Open market trades
0B · 11S
11
Total transactions
36.93K disposed
Non-Derivative Transactions11

Common Stock

Indirect
S · Sale

Shares

2.60K

Price / share

$256.63

Trade value

$667.24K

% of position

7.0%
2/5/2026
36.93K34.33K

Common Stock

Indirect
S · Sale

Shares

4.41K

Price / share

$257.69

Trade value

$1.14M

% of position

12.9%
2/5/2026
34.33K29.91K

Common Stock

Indirect
S · Sale

Shares

7K

Price / share

$258.67

Trade value

$1.81M

% of position

23.4%
2/5/2026
29.91K22.91K

Common Stock

Indirect
S · Sale

Shares

4.92K

Price / share

$259.59

Trade value

$1.28M

% of position

21.4%
2/5/2026
22.91K18K

Common Stock

Indirect
S · Sale

Shares

5.99K

Price / share

$260.57

Trade value

$1.56M

% of position

33.3%
2/5/2026
18K12.01K

Common Stock

Indirect
S · Sale

Shares

3.60K

Price / share

$261.71

Trade value

$941.36K

% of position

29.9%
2/5/2026
12.01K8.42K

Common Stock

Indirect
S · Sale

Shares

2.30K

Price / share

$262.77

Trade value

$604.37K

% of position

27.3%
2/5/2026
8.42K6.12K

Common Stock

Indirect
S · Sale

Shares

2.60K

Price / share

$264.01

Trade value

$686.43K

% of position

42.5%
2/5/2026
6.12K3.52K

Common Stock

Indirect
S · Sale

Shares

2.20K

Price / share

$264.99

Trade value

$582.98K

% of position

62.6%
2/5/2026
3.52K1.32K

Common Stock

Indirect
S · Sale

Shares

916.00

Price / share

$265.92

Trade value

$243.58K

% of position

69.6%
2/5/2026
1.32K400.00

Common Stock

Indirect
S · Sale

Shares

400.00

Price / share

$268.06

Trade value

$107.22K

% of position

New position
2/5/2026
400.000.00
Total

Net shares

36.93K

Net value

-$9.62M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2

Common Stock

Direct
Shares owned28.90K

Common Stock

Indirect
Shares owned500.00
Total
28.90K direct·500.00 indirect29.40K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
MASSENGILL MATTHEW E — Insider Transaction (Form 4) Filed Feb 6, 2026 | Finecho