SEC Insider Transactions from Pax Margaret.

Last updated: 2026-03-14 09:53 UTC | Total transactions: 8

Pax Margaret made one open market purchase of REPLIGEN CORP ($RGEN) shares in the past year, totaling $37,672.50, with the most recent buy on March 17, 2025. This ranks her 3,274th among 4,983 individual insiders by purchase value, well below the average of $1.5 million across 3.3 transactions per buyer. She reported no open market sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
May 15, 2025 REPLIGEN CORP $RGEN Pax Margaret Not found A Common Stock 973 $0.00 2,016.0000 56,148,556 93.29% 0.00%
May 15, 2025 REPLIGEN CORP $RGEN Pax Margaret Not found A Stock Option (Right to Buy) 1800 $0.00 1,800.0000 56,148,556 9999.99% 0.00%
March 17, 2025 REPLIGEN CORP $RGEN Pax Margaret Not found P Common Stock 250 $150.69 1,043.0000 56,148,556 31.53% 0.00%
May 16, 2024 REPLIGEN CORP $RGEN Pax Margaret Not found A Common Stock 701 $0.00 793.0000 0 761.96% 0.00%
May 16, 2024 REPLIGEN CORP $RGEN Pax Margaret Not found A Stock Option (Right to Buy) 1376 $0.00 1,376.0000 0 9999.99% 0.00%
March 18, 2024 REPLIGEN CORP $RGEN Pax Margaret Not found A Common Stock 92 $0.00 92.0000 0 9999.99% 0.00%
March 18, 2024 REPLIGEN CORP $RGEN Pax Margaret Not found A Stock Option (Right to Buy) 195 $0.00 195.0000 0 9999.99% 0.00%
March 18, 2024 REPLIGEN CORP $RGEN Pax Margaret Not found A Stock Option (Right to Buy) 2236 $0.00 2,236.0000 0 9999.99% 0.00%