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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (4 ops.)
Latest filing published 23 Mar 2026 for REPLIGEN CORP.
Filing timeline
BuySaleJames Bylund
Insider track record
Disclosed buys
0
Disclosed sells
4
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
James Bylund: trading record in brief
James Bylund, listed as senior executive, appears in our data through filings on Repligen Corp shares, published by SEC (Form 4). The record holds 36 filings, for trades running from 6 April 2021 to 5 March 2026.
Every open-market trade on record is a sale: 4 sales worth €1.6M. Outside the open market, there are 30 share grants and 2 option exercises.
Most recently, on 23 March 2026, the filings show a share grant in Repligen Corp. Filings reach the SEC (Form 4) feed a median of 3 days after the trade. For comparison, the SEC allows two business days to file a Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to James Bylund
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations23 total
7,751 shares0Common StockSEC:0001193125-26-119034:0
125 shares0Common StockSEC:0001193125-26-093379:0
1,478 shares@ US$128.7332.0% of flowCommon StockSEC:0001193125-26-087669:0
2,191 shares@ US$151.2183.4% of flowCommon StockSEC:0001193125-25-288160:0
454 shares@ US$128.505.0% of flowCommon StockSEC:0000950170-25-048942:0
381 shares0Common StockSEC:0000950170-25-042471:0
6,435 shares0Common StockSEC:0000950170-25-031569:0
1,285 shares@ US$156.5417.9% of flowCommon StockSEC:0000950170-25-030066:0
543 shares@ US$164.748.0% of flowCommon StockSEC:0000950170-25-026175:0
444 shares@ US$182.957.0% of flowCommon StockSEC:0000950170-24-041891:0
1,206 shares@ US$195.7220.2% of flowCommon StockSEC:0000950170-24-027996:0
197 shares@ US$193.993.3% of flowCommon StockSEC:0000950170-24-027504:0
50 shares0Common StockSEC:0000950170-24-026715:0
404 shares0Common StockSEC:0000950170-24-025293:0
8,691 shares0Common StockSEC:0000950170-24-023495:0
940 shares@ US$94.337.6% of flowCommon StockSEC:0000950170-24-020513:0
334 shares@ US$163.454.6% of flowCommon StockSEC:0000899243-23-010599:0
8,348 shares0Common StockSEC:0000899243-23-007191:0
594 shares@ US$173.449.0% of flowCommon StockSEC:0000899243-23-006514:0
2,000 shares@ US$94.3317.3% of flowCommon StockSEC:0000899243-22-027710:0
335 shares@ US$188.0211.3% of flowCommon StockSEC:0000899243-22-013421:0
3,366 shares0Common StockSEC:0000899243-22-008174:0
900 shares0Common StockSEC:0000899243-22-007259:0
23 of 23 declarations
