Michael Miller Francis, Chief Technology Officer at Quanterix (QTRX), has filed 55 Form 4 transactions over the past several months, all involving a single company. The pattern is overwhelmingly mechanical: a recurring cycle of option exercises (code M) paired with shares withheld to cover tax obligations (code F). There are no open-market purchases (code P) or sales (code S) in the recent data, and the aggregate buy and sell values are both zero. This indicates that Francis is not actively adding to or reducing his position through discretionary trades; instead, his activity reflects scheduled equity compensation vesting and the automatic surrender of shares to satisfy tax liabilities.
The most recent cluster of transactions occurred on July 15, 2026, when Francis exercised multiple option tranches and had shares withheld at values ranging from $106 to $1,055.76. Similar paired transactions appear on June 30, June 15, May 31, and May 15, with the June 15 batch showing five separate option exercises and corresponding tax-withholding events. The dollar amounts withheld are modest—typically between $77.50 and $771.90—suggesting small share counts relative to his overall holdings. The absence of any P or S codes across the entire filing history is notable: it shows no conviction buying or selling, only the passive consequences of equity compensation.
For investors tracking insider behavior, Francis’s filings offer little directional signal. The consistent M/F pairing is standard for an executive receiving restricted stock or options, and the lack of open-market activity means there is no evidence of bullish accumulation or bearish distribution. The zero-dollar option exercises (code M) reflect exercise prices at or near the strike, while the F transactions are purely administrative. In short, Francis’s Form 4 history is a textbook example of routine insider activity—transparent, predictable, and devoid of discretionary trading intent.
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