8-K - REPLIGEN CORP (0000730272) (Filer)
Published . Updated .
8-K - REPLIGEN filed an 8-K with the SEC on Oct 27 (a notice of a material company event).
Directly affected
- RGEN Repligen
Named in this report.
Indirectly affected
- XLV Health Care Select Sector SPDR
Health Care Select Sector SPDR holds the health sector that Repligen belongs to, so it often moves with news about it.
- AMGN Amgen+18.4% 30d
Amgen is a peer of Repligen in biological products, (no diagnostic substances); rivals often move on the same news.
- GILD Gilead Sciences+8.4% 30d
Gilead Sciences is a peer of Repligen in biological products, (no diagnostic substances); rivals often move on the same news.
- MRNA Moderna+38.3% 30d
Moderna is a peer of Repligen in biological products, (no diagnostic substances); rivals often move on the same news.
- ARGX argenx SE-18.3% 30d
argenx SE is a peer of Repligen in biological products, (no diagnostic substances); rivals often move on the same news.
- RVMD Revolution Medicines
Revolution Medicines is a peer of Repligen in biological products, (no diagnostic substances); 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 |
|---|---|---|---|---|---|---|---|
| RGEN | -0.64% | -0.72% | base | -2.35% | after close | after close | after close |
| XLVNo price data for this ticker | — | — | — | — | — | — | — |
| AMGNNo price data for this ticker | — | — | — | — | — | — | — |
| GILDNo price data for this ticker | — | — | — | — | — | — | — |
| MRNANo price data for this ticker | — | — | — | — | — | — | — |
| ARGXNo price data for this ticker | — | — | — | — | — | — | — |
| RVMDNo price data for this ticker | — | — | — | — | — | — | — |
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.
Market Call
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Filed: 2026-10-27 AccNo: 0001628280-26-067405 Size: 547 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits
Source: sec-edgar
Price since this story was published: Repligen (RGEN)
| Company | When | Move | Status |
|---|---|---|---|
| Repligen (RGEN) | that day | -2.35% | final price |
| Repligen (RGEN) | three days earlier | -0.72% | final price |
| Repligen (RGEN) | five days earlier | -0.64% | final price |
Trades by members of Congress and officials in the stocks in this story
- Rep. David J. Taylor bought Amgen (AMGN), worth $1,001 - $15,000 on 22 Sep 2026. That is 35 days before publication. Filed 1 Oct 2026. View the filing.
- Rep. David J. Taylor sold Amgen (AMGN), worth $1,001 - $15,000 on 26 Aug 2026. That is 62 days before publication. Filed 5 Sep 2026. View the filing.
- Sen. Sheldon Whitehouse sold Amgen (AMGN) (held by a spouse), worth $1,001 - $15,000 on 12 Aug 2026. That is 76 days before publication. Filed 2 Sep 2026. View the filing.
- Rep. Rohit Khanna sold Gilead Sciences (GILD) (held by a dependent child), worth $1,001 - $15,000 on 10 Aug 2026. That is 78 days before publication. Filed 4 Sep 2026. View the filing.
- Rep. Maria Elvira Salazar sold Moderna (MRNA), worth $1,001 - $15,000 on 24 Sep 2026. That is 33 days before publication. Filed 7 Oct 2026. View the filing.
- Rep. Rohit Khanna bought Moderna (MRNA) (held by a spouse), worth $1,001 - $15,000 on 4 Sep 2026. That is 53 days before publication. Filed 7 Oct 2026. View the filing.
- Donald J Trump, an executive branch official, bought Moderna (MRNA), worth $1,001 - $15,000 on 28 Aug 2026. That is 60 days before publication. Filed 8 Oct 2026. View the filing.
- Scott A Kupor, an executive branch official, sold Revolution Medicines (RVMD), worth $1,001 - $15,000 on 30 Jul 2026. That is 89 days before publication. Filed 30 Sep 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 is named in “8-K - REPLIGEN CORP (0000730272) (Filer)”
Companies tied to this story
- RGEN Repligen
Repligen (RGEN) is linked, with no stored direction, high confidence in the 27 Oct 2026 story “8-K - REPLIGEN CORP (0000730272) (Filer).” Reason on file: SEC 8-K filing -> direct issuer disclosure -> RGEN
How “8-K - REPLIGEN CORP (0000730272) (Filer)” reaches Repligen (RGEN)
Repligen (RGEN) is the company in “8-K - REPLIGEN CORP (0000730272) (Filer),” the 27 Oct 2026 this story story.
For Repligen (RGEN), the reason on file says SEC 8-K filing -> direct issuer disclosure -> RGEN
How strong the case is around Repligen (RGEN)
14 out of 100
“8-K - REPLIGEN CORP (0000730272) (Filer)” scores 14 out of 100. The score uses 1 sources, and 1 linked companies.