MOSLEY WILLIAM D

SEC Form 4 insider

CEO · Seagate Technology Holdings plc ($STX)

2 theses · first seen Sep 4, 2026

Window	Theses	Resolved	Wins	Win rate	Avg return	Median return
1d	1	1	0	0%	+1.5%	+1.5%
3d	2	2	1	50%	+4.2%	+4.2%
1w	2	2	0	0%	+11.3%	+11.3%
1m	2	2	2	100%	-8.0%	-8.0%
3m	0	0	0	—	—	—
6m	0	0	0	—	—	—
1y	0	0	0	—	—	—

Past performance does not predict future results. Informational only, not investment advice.

Thesis history

$STXSEC Form 4bearish

MOSLEY WILLIAM D · CEO at Seagate Technology Holdings plc · 34d ago1 prior · awaiting results

Sold 1,870 @ $781.23 avg · $1,460,696 · 2026-09-14

Form 4: MOSLEY WILLIAM D sold STX

MOSLEY WILLIAM D (CEO at Seagate Technology Holdings plc) reported an open-market sale of 1,869.75 shares of STX at an average $781.23, roughly $1,460,696, in a Form 4 filed 2026-09-15.

At post $771.19Now $671.16-13.0% since postedas of Oct 19, 11:31 AM ET

1d+1.5%

3d+11.3%

1w+19.2%

1m-10.4%

3m—

6m—

1y—

View filing on SEC.gov →

$STXSEC Form 4bearish

MOSLEY WILLIAM D · CEO at Seagate Technology Holdings plc · 38d ago1 prior · awaiting results

Sold 2,849 @ $862.13 avg · $2,456,436 · 2026-09-10

Form 4: MOSLEY WILLIAM D sold STX

MOSLEY WILLIAM D (CEO at Seagate Technology Holdings plc) reported an open-market sale of 2,849.25 shares of STX at an average $862.13, roughly $2,456,436, in a Form 4 filed 2026-09-11.

At post $829.51Now $671.16-19.1% since postedas of Oct 19, 11:31 AM ET

1d—

3d-3.0%

1w+3.4%

1m-5.6%

3m—

6m—

1y—

View filing on SEC.gov →

End of results.