Seres Therapeutics, Inc. (MCRB) Insider Trading

Seres Therapeutics, Inc. (MCRB) has 19 SEC Form 4 insider filings on record in the last 90 days. Most recent filing: Aug. 18, 2026.

Filings
19
Purchases
0
$0
Sales
0
$0
Insiders
12

Most active MCRB insiders

Shaff Eric D.
Director
0 bought · 0 sold · Aug. 18, 2026
$1K
DesRosier Thomas
See Remarks
0 bought · 0 sold · Aug. 18, 2026
$373
Henn Matthew R
See Remarks
0 bought · 0 sold · Aug. 18, 2026
$369
Brady Kelly
See Remarks
0 bought · 0 sold · Aug. 18, 2026
$291
Graves Kurt
Director
0 bought · 0 sold · July 10, 2026
$0
Kender Richard N
See Remarks
0 bought · 0 sold · July 10, 2026
$0
Rosiello Robert L.
Director
0 bought · 0 sold · July 10, 2026
$0
Ausiello Dennis A
Director
0 bought · 0 sold · July 10, 2026
$0

Latest MCRB Form 4 filings

Date Insider Value Shares Stake Pre-planned Links
Aug. 18, 2026 filed Aug. 15, 2026 Brady Kelly See Remarks +117 +1% Yes
Aug. 18, 2026 filed Aug. 15, 2026 Shaff Eric D. Director +459 +4% Yes
Aug. 18, 2026 filed Aug. 15, 2026 Henn Matthew R See Remarks +157 +2% Yes
Aug. 18, 2026 filed Aug. 15, 2026 DesRosier Thomas See Remarks +163 +2% Yes
July 10, 2026 filed July 8, 2026 Graves Kurt Director $0 6,500 0% No

Showing the 5 most recent of 19 filings in the last 90 days.

About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.

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