SELECTA BIOSCIENCES INC
Net BuyingSELB·US·🇺🇸 US
58%buys·42%sales
1,038 transactions$351.8MTotal buys·153 buys
$17.4MTotal sells·110 sells
6161 insiders
Last: Dec 16, 2025
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Dec 16, 25 | Bot Adrian Ion | Grant | - | |
| Dec 16, 25 | Bot Adrian Ion | Grant | - | |
| Dec 4, 25 | BARABE TIMOTHY C | Buy | $206K | |
| Nov 28, 25 | English Emily | Exercise | - | |
| Nov 28, 25 | English Emily | Exercise | $25K | |
| Nov 18, 25 | Singer Michael | Gift | - | |
| Oct 27, 25 | Seymour June Ann | Grant | - | |
| May 12, 25 | English Emily | Exercise | - | |
| May 12, 25 | English Emily | Exercise | $25K | |
| Apr 15, 25 | English Emily | Exercise | - |
SELECTA BIOSCIENCES INC (SELB) has recorded 1 038 insider transactions from 61 insiders. Total insider buying volume stands at $351.8M, while total selling volume is $17.4M. Overall insider sentiment is bullish (58% purchases).
SELECTA BIOSCIENCES INC (SELB) has recorded 1 038 insider operations, including 153 open-market purchases ($351.8M), 110 sales ($17.4M) and 775 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bullish (58% purchases).
Insider activity at SELECTA BIOSCIENCES INC is sustained, with operations recorded in 8 of the last 12 months — a sign of regular regulatory filings.
Among the most active insiders are Brunn Carsten (CEO), CAUTREELS WERNER (CEO) & Tan Kevin (CFO), with respectively 80, 13, 20 transactions.
Across all 1 038 recorded transactions, the breakdown by type is: exercise (462, 45%), grant (228, 22%), buys (153, 15%), sales (110, 11%), disposition (55, 5%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
SELECTA BIOSCIENCES INC has recorded 1 038 insider operations in total, including 153 open-market purchases ($351.8M), 110 sales ($17.4M) and 775 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on December 16, 2025.
Insiders at SELECTA BIOSCIENCES INC are currently net buyers, with 58% purchases and 42% sales across all reported transactions. Total buy volume is $351.8M versus $17.4M in sales, indicating a bullish insider sentiment.
InsiderLens tracks 61 insiders at SELECTA BIOSCIENCES INC (SELB). Brunn Carsten (CEO, 80 tx), CAUTREELS WERNER (CEO, 13 tx), Tan Kevin (CFO, 20 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for SELB is bullish, based on a 58% buy ratio across 263 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for SELECTA BIOSCIENCES INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.