Bio‑Rad Labs sees lone C‑suite sale, no insider buying in past year
Over the last twelve months Bio‑Rad Laboratories recorded a single insider transaction – a $214,289 sale by a senior executive – while insiders bought nothing. The zero‑buy, one‑sell pattern yields a buy‑to‑sell ratio of 0.00x, a level that typically signals routine selling rather than a bearish warning.
The insider activity log for Bio‑Rad Laboratories (BIO) shows a stark absence of buying pressure from company insiders. In the twelve‑month window ending April 27, 2026, there were no purchases reported, and only one sale was filed. The sole transaction was executed on November 6, 2025 by Barry James, listed as an "Other C‑Suite" officer, who disposed of 699 shares for a total of $214,289. This single sale translates to a buy‑to‑sell ratio of 0.00x, well below the 0.2x threshold that analysts use to flag heavy insider selling. Because the ratio is at the floor of the scale, the signal is muted; the market typically interprets such isolated, modest‑size disposals as routine portfolio rebalancing or tax‑driven moves rather than a conviction that the stock is overvalued.
Bio‑Rad’s share price sits at $289.14, up 0.45% on the day but down 5.0% year‑to‑date. The stock trades at roughly 58% of its 52‑week range and carries an RSI of 56, indicating a neutral momentum stance. With a market capitalization of $7.8 billion, the $214,289 sale represents only about 0.003% of the company’s equity value – a fraction too small to move the market on its own. Moreover, the transaction does not involve the CEO, CFO, or COO, roles that historically carry more predictive weight. The lack of clustering – no other insiders traded within a 30‑day window – further weakens any argument for coordinated insider sentiment.
Historical monthly activity shows occasional spikes in selling: $104,023 in June 2024, $1,195,713 in September 2024, and $741,184 in March 2025. Yet each of those months also recorded zero purchases, reinforcing a pattern of isolated sell‑only events. None of the selling bursts approached the $1 million total‑value threshold that would qualify as material insider activity. In the absence of any buying, the data suggests that insiders are not expressing confidence in the near‑term outlook, but the isolated nature of the sales makes it difficult to draw a definitive conclusion about the stock’s trajectory.
Investors should therefore treat the lone C‑suite sale as a routine liquidity event rather than a red flag. The broader market context – modest price appreciation, neutral technical indicators, and a modest YTD decline – does not provide additional impetus to reinterpret the insider data as a bearish signal. Until a pattern of coordinated buying or larger‑scale selling emerges, Bio‑Rad’s insider activity remains largely informational rather than predictive.
Monthly Insider Activity
Activity by Role
Financial Details
| Buy Count | 0 |
| Sell Count | 1 |
| Buy Value | 0.00 |
| Sell Value | 214,288.51 |
| Total Value | 214,288.51 |
| Buy Sell Ratio | 0.00 |
| C Suite Activity | Yes |
Key Takeaways
- Buy‑to‑sell ratio for the past 12 months is 0.00x (0 buys, 1 sell).
- Only one insider, Barry James, sold 699 shares for $214,289 on 2025‑11‑06.
- The sale represents ~0.003% of Bio‑Rad’s $7.8 B market cap.
- No clustering of insider trades; no C‑suite (CEO/CFO/COO) involvement.
- Stock price at $289.14, down 5.0% YTD, RSI 56, trading at 58% of its 52‑week range.