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RGEN (Repligen Corporation): every AI call and what happened next

TradeFlare's AI research teams analysed RGEN on 9 market nights between May 4, 2026 and October 7, 2026. Each row is that night's verdict, the price that day, and how the price actually moved afterwards — wins and misses alike. Nothing is edited after the fact.

9 calls 4 BUY · 4 HOLD · 1 SELL BUY calls up after 20 trading days: 3 of 3
DateVerdictPriceTarget / stop5 days later20 days laterWhy (that night)
October 7, 2026 HOLD $174.86 — / — not yet not yet
The current market regime and RGEN's technical and fundamental profiles do not support a conviction BUY at this time.
September 25, 2026 BUY $190.65 $224.07 / $162.05 -4.2% not yet
The stock is breaking out of a 52-week high, suggesting potential for continued upward momentum over the coming weeks.
September 8, 2026 HOLD $167.60 — / — +3.7% +3.8%
The current market regime and RGEN's technicals do not support a buy decision.
September 7, 2026 HOLD $167.60 — / — +3.7% +3.8%
The current market and stock-specific factors do not support a buy decision.
July 29, 2026 BUY $145.34 — / — +12.3% +27.7%
Strong Q2 earnings beat and raised full-year guidance.
July 23, 2026 BUY $140.09 — / — +4.4% +31.0%
Workforce reduction signals potential cost discipline and margin expansion.
May 12, 2026 BUY $115.91 — / — -4.5% +15.1%
Strong Q1 2026 earnings and revenue beats.
May 11, 2026 HOLD $123.46 — / — -10.1% +12.3%
Continued post-earnings drift (PEAD) if the market sentiment shifts favorably.
May 4, 2026 SELL $117.20 — / — -1.9% +2.5%
No clear catalyst identified for a directional move.

Prices are daily closes. "Days later" counts trading days from the close on the day of the call. A HOLD is not a recommendation to buy; only published signals are tracked with a target and stop on the public record. How the research works. Updated October 14, 2026. AI-generated research for educational purposes — it can be wrong and is not financial advice.