NASDAQ:MCRB

Seres Therapeutics Stock Insider Trading

etoro logo Buy MCRB
*Your capital is at risk
$5.62
-0.490 (-8.02%)
At Close: Jul 13, 2026

Seres Therapeutics Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 84.79. In total, the insiders bought 563.46K and sold 4.08K MCRB shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
84.79
Buy 563.46K shares
Sell 4.08K shares
85% Buy Activity
Moderate Negative Correlation
Buy Signal High Confidence
Jul 08, 2026

Analysis Breakdown:

  • Strongly supported by a very high Insider Power Score of 84.79.
  • Confidence increased due to high data reliability score of 100.
  • Supported by overwhelming buy-side pressure (85% buys).

Historical Insider Trades

Date Type Person Role Amount
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Brady Kelly
See Remarks
Officer 18 750
Value: $171.2K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Rosiello Robert L.
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Ausiello Dennis A
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Fraser Claire
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Henn Matthew R
See Remarks
Officer 25 000
Value: $228.3K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Graves Kurt
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Kender Richard N
See Remarks
Officer 50 000
Value: $456.5K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Thorell Marella
See Remarks
Officer 7 500
Value: $68.5K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Dere Willard H
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Shaff Eric D.
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Berenson Stephen
Director
Director 6 500
Value: $46.4K
Jul 08, 2026
Buy
Stock Option (right to buy)
A-Award
Desrosier Thomas
See Remarks
Officer 7 500
Value: $68.5K
Jul 01, 2026
Buy
Stock Option (right to buy)
A-Award
Rosiello Robert L.
Director
Director 7 508
Value: $59.6K
Jul 01, 2026
Buy
Stock Option (right to buy)
A-Award
Berenson Stephen
Director
Director 7 508
Value: $59.6K
Jul 01, 2026
Buy
Stock Option (right to buy)
A-Award
Ausiello Dennis A
Director
Director 7 508
Value: $59.6K
May 18, 2026
Sell
Common Stock
S-Sale
Henn Matthew R
See Remarks
Officer 77
Value: $580
May 18, 2026
Sell
Common Stock
S-Sale
Shaff Eric D.
Director
Director 259
Value: $2K
May 18, 2026
Sell
Common Stock
S-Sale
Desrosier Thomas
See Remarks
Officer 79
Value: $595
May 18, 2026
Sell
Common Stock
S-Sale
Brady Kelly
See Remarks
Officer 59
Value: $444
May 15, 2026
Buy
Restricted Stock Units
M-Exempt
Brady Kelly
See Remarks
Officer 89
Value: $680
May 15, 2026
Buy
Restricted Stock Units
M-Exempt
Brady Kelly
See Remarks
Officer 91
Value: $695
May 15, 2026
Buy
Restricted Stock Units
M-Exempt
Desrosier Thomas
See Remarks
Officer 111
Value: $848
May 15, 2026
Buy
Restricted Stock Units
M-Exempt
Shaff Eric D.
Director
Director 391
Value: $3K
May 15, 2026
Buy
Common Stock
M-Exempt
Desrosier Thomas
See Remarks
Officer 244
Value: $2K
May 15, 2026
Buy
Common Stock
M-Exempt
Shaff Eric D.
Director
Director 722
Value: $6K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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