SEC Insider Transactions from PEI MELINDA LITHERLAND.

Last updated: 2026-03-14 11:38 UTC | Total transactions: 13

PEI MELINDA LITHERLAND has filed 13 insider transactions across 2 companies since May 2023.

Most recent transaction: a grant/award of 28650 shares of RAPID MICRO BIOSYSTEMS, INC. ($RPID) on May 22, 2025.

Activity breakdown: 4 open-market purchases and 0 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 22, 2025 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director A Stock Option (Right to Buy) 28650 $0.00 28,650.0000 43,575,705 9999.99% 0.07%
May 22, 2025 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director A Class A Common Stock 14300 $0.00 68,600.0000 43,575,705 26.34% 0.03%
April 22, 2025 BIO-RAD LABORATORIES, INC. $BIO PEI MELINDA LITHERLAND Director A Restricted Stock Units 407 $0.00 407.0000 28,214,000 9999.99% 0.00%
April 22, 2025 BIO-RAD LABORATORIES, INC. $BIO PEI MELINDA LITHERLAND Director M Restricted Stock Units 308 $0.00 0.0000 28,214,000 100.00% 0.00%
April 22, 2025 BIO-RAD LABORATORIES, INC. $BIO PEI MELINDA LITHERLAND Director M Bio-Rad A Common Stock 308 $0.00 308.0000 28,214,000 9999.99% 0.00%
Dec. 3, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director P Class A Common Stock 10880 $1.00 45,180.0000 43,668,656 31.72% 0.02%
Dec. 5, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director P Class A Common Stock 9120 $1.04 54,300.0000 43,668,656 20.19% 0.02%
Nov. 26, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director P Class A Common Stock 108 $1.04 14,408.0000 43,668,656 0.76% 0.00%
Nov. 27, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director P Class A Common Stock 19892 $1.05 34,300.0000 43,668,656 138.06% 0.05%
Sept. 6, 2024 BIO-RAD LABORATORIES, INC. $BIO PEI MELINDA LITHERLAND Director A Restricted Stock Units 308 $0.00 308.0000 29,209,000 9999.99% 0.00%
May 23, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director A Class A Common Stock 14300 $0.00 14,300.0000 43,024,039 9999.99% 0.03%
May 23, 2024 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director A Stock Option (Right to Buy) 28650 $0.00 28,650.0000 43,024,039 9999.99% 0.07%
May 4, 2023 RAPID MICRO BIOSYSTEMS, INC. $RPID PEI MELINDA LITHERLAND Director A Stock Option (Right to Buy) 25000 $0.00 25,000.0000 0 9999.99% 0.00%