8-K - Seagate Technology Holdings plc (0001137789) (Filer)
Published . Updated .
Key takeaways
- 8-K - Seagate Technology Holdings filed an 8-K with the SEC on Oct 28 (a notice of a material company event).
- Exposed: STX
- Market reaction: STX −11.3% after three sessions
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8-K - Seagate Technology Holdings filed an 8-K with the SEC on Oct 28 (a notice of a material company event).
Directly affected
- STX Seagate Technology Holdings-34.4% 30d
Named in this report.
Indirectly affected
- XLK Technology Select Sector SPDR+9.2% 14d
Technology Select Sector SPDR holds the technology sector that Seagate Technology Holdings belongs to, so it often moves with news about it.
- SNDK Sandisk-38.0% 30d
Sandisk is a peer of Seagate Technology Holdings in computer storage devices; rivals often move on the same news.
- WDC Western Digital-26.7% 30d
Western Digital is a peer of Seagate Technology Holdings in computer storage devices; rivals often move on the same news.
- NTAP NetApp-2.9% 30d
NetApp is a peer of Seagate Technology Holdings in computer storage devices; rivals often move on the same news.
- P Everpure-12.3% 30d
Everpure is a peer of Seagate Technology Holdings in computer storage devices; rivals often move on the same news.
Price reaction, T-5 to T+3
| Ticker | T-5 | T-3 | T-1 | T0 | T+1 | T+2 | T+3 |
|---|---|---|---|---|---|---|---|
| STX | +4.30% | -5.73% | base | +4.40% | +4.74% | -3.62% | -11.29% |
| XLK | -0.51% | -3.30% | base | +0.84% | -0.39% | -5.27% | -8.04% |
| SNDK | +5.58% | -5.16% | base | +7.61% | +1.98% | -11.72% | -17.63% |
| WDC | -0.58% | -9.78% | base | +4.14% | +3.87% | -3.88% | -11.08% |
| NTAP | -4.50% | -5.22% | base | -1.69% | -4.03% | -12.45% | -18.60% |
| P | -5.69% | -11.15% | base | -0.14% | -1.08% | -8.52% | -18.06% |
Closing-price change versus T-1, the last close before the story. T0 to T+3 fill in after each market close. Prices: Alpaca IEX.
Filed: 2026-10-28 AccNo: 0001137789-26-000305 Size: 186 KB Item 5.07: Submission of Matters to a Vote of Security Holders
Source: sec-edgar
Seagate Technology Holdings (STX) since this story, compared with the market
Since the first closing price after “8-K - Seagate Technology Holdings plc (0001137789) (Filer),” Seagate Technology Holdings (STX) is -13.45%.
| Company | When | Move | Status |
|---|---|---|---|
| NTAP | that day | -1.69% | final price |
| NTAP | the next day | -4.03% | final price |
| NTAP | two days later | -12.45% | final price |
| NTAP | three days later | -18.60% | final price |
| NTAP | three days earlier | -5.22% | final price |
| NTAP | five days earlier | -4.50% | final price |
| P | that day | -0.14% | final price |
| P | the next day | -1.08% | final price |
| P | two days later | -8.52% | final price |
| P | three days later | -18.06% | final price |
| P | three days earlier | -11.15% | final price |
| P | five days earlier | -5.69% | final price |
| SNDK | that day | +7.61% | final price |
| SNDK | the next day | +1.98% | final price |
| SNDK | two days later | -11.72% | final price |
| SNDK | three days later | -17.63% | final price |
| SNDK | three days earlier | -5.16% | final price |
| SNDK | five days earlier | +5.58% | final price |
| Seagate Technology Holdings (STX) | that day | +4.40% | final price |
| Seagate Technology Holdings (STX) | the next day | +4.74% | final price |
| Seagate Technology Holdings (STX) | two days later | -3.62% | final price |
| Seagate Technology Holdings (STX) | three days later | -11.29% | final price |
| Seagate Technology Holdings (STX) | three days earlier | -5.73% | final price |
| Seagate Technology Holdings (STX) | five days earlier | +4.30% | final price |
| WDC | that day | +4.14% | final price |
| WDC | the next day | +3.87% | final price |
| WDC | two days later | -3.88% | final price |
| WDC | three days later | -11.08% | final price |
| WDC | three days earlier | -9.78% | final price |
| WDC | five days earlier | -0.58% | final price |
| XLK | that day | +0.84% | final price |
| XLK | the next day | -0.39% | final price |
| XLK | two days later | -5.27% | final price |
| XLK | three days later | -8.04% | final price |
| XLK | three days earlier | -3.30% | final price |
| XLK | five days earlier | -0.51% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. Kevin Hern sold Seagate Technology Holdings (STX), worth $15,001 - $50,000 on 23 Oct 2026. That is 5 days before publication. Filed 28 Oct 2026. View the filing.
- Rep. Lisa McClain sold Seagate Technology Holdings (STX) (held by a spouse), worth $15,001 - $50,000 on 30 Sep 2026. That is 28 days before publication. Filed 12 Oct 2026. View the filing.
- Rep. Kevin Hern sold Seagate Technology Holdings (STX), worth $1,001 - $15,000 on 15 Sep 2026. That is 43 days before publication. Filed 25 Sep 2026. View the filing.
- Rep. Rohit Khanna bought Western Digital (WDC) (held by a spouse), worth $1,001 - $15,000 on 25 Sep 2026. That is 33 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Gilbert Cisneros sold Western Digital (WDC), worth $1,001 - $15,000 on 18 Sep 2026. That is 40 days before publication. Filed 12 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Everpure (P), worth $15,001 - $50,000 on 28 Aug 2026. That is 61 days before publication. Filed 8 Oct 2026. View the filing.
Public disclosure filings, not a recommendation. The filing link is the source document. News use of these reports still sits under 5 U.S.C. § 13107(c).
Who gains and who loses around Seagate Technology Holdings (STX)
Companies tied to this story
- STX Seagate Technology Holdings
For “8-K - Seagate Technology Holdings plc (0001137789) (Filer),” Seagate Technology Holdings (STX) is linked, with no stored direction, high confidence. Reason on file: SEC 8-K filing -> direct issuer disclosure -> STX
How “8-K - Seagate Technology Holdings plc (0001137789) (Filer)” reaches Seagate Technology Holdings (STX)
“8-K - Seagate Technology Holdings plc (0001137789) (Filer)” (28 Oct 2026) reaches Seagate Technology Holdings (STX) through this story.
The link for Seagate Technology Holdings (STX) is this: SEC 8-K filing -> direct issuer disclosure -> STX
Dates in the story, and the Seagate Technology Holdings (STX) price range
STX traded between 586.96 and 810.45 across 20 sessions. The latest close on file is 606.12.
How solid “8-K - Seagate Technology Holdings plc (0001137789) (Filer)” looks
14 out of 100
“8-K - Seagate Technology Holdings plc (0001137789) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.