PEI MELINDA LITHERLAND
SEC insider (Form 3/4/5 filer). CIK 0001703469. Director at RAPID MICRO BIOSYSTEMS, INC. (RPID) and 1 other issuer. 12 reported Form 4/5 transactions since Sep 2024; latest on May 29, 2026. Located in LEXINGTON, MA.
Companies PEI MELINDA LITHERLAND has filed insider reports for
- RAPID MICRO BIOSYSTEMS, INC. (RPID): Director
- BIO-RAD LABORATORIES, INC. (BIO BIO.B): Director
PEI MELINDA LITHERLAND
CIK: 0001703469
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (12 total)
- May 29, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
AwardDirect12.8K shares at avg. $1.96$25K - May 21, 2026RPID
RAPID MICRO BIOSYSTEMS, INC.
AwardDirect19.3K shares- - Apr 21, 2026BIO BIO.B
BIO-RAD LABORATORIES, INC.
ExerciseDirect407 shares- - Apr 21, 2026BIO BIO.B
BIO-RAD LABORATORIES, INC.
AwardDirectRestricted Stock Units
369 shares- - May 22, 2025RPID
RAPID MICRO BIOSYSTEMS, INC.
AwardDirect14.3K shares- - Apr 22, 2025BIO BIO.B
BIO-RAD LABORATORIES, INC.
AwardDirectRestricted Stock Units
407 shares- - Apr 22, 2025BIO BIO.B
BIO-RAD LABORATORIES, INC.
ExerciseDirect308 shares- - Dec 5, 2024RPID
RAPID MICRO BIOSYSTEMS, INC.
PurchaseDirect9.1K shares at avg. $1.04$9K - Dec 3, 2024RPID
RAPID MICRO BIOSYSTEMS, INC.
PurchaseDirect10.9K shares at avg. $1.00$11K - Nov 27, 2024RPID
RAPID MICRO BIOSYSTEMS, INC.
PurchaseDirect19.9K shares at avg. $1.05$21K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 29, 2026 |  RPID RAPID MICRO BIOSYSTEMS, INC. | Award | 12,787 | $1.96 | $24,999 | Direct |
| May 21, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | Award | 19,300 | - | $0 | Direct |
| Apr 21, 2026 |  BIO BIO.B BIO-RAD LABORATORIES, INC. | Exercise | 407 | - | $0 | Direct |
| Apr 21, 2026 | BIO BIO.B BIO-RAD LABORATORIES, INC. | Award Restricted Stock Units | 369 | - | - | Direct |
| May 22, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | Award | 14,300 | - | - | Direct |
| Apr 22, 2025 | BIO BIO.B BIO-RAD LABORATORIES, INC. | Award Restricted Stock Units | 407 | - | - | Direct |
| Apr 22, 2025 | BIO BIO.B BIO-RAD LABORATORIES, INC. | Exercise | 308 | - | - | Direct |
| Dec 5, 2024 | RPID RAPID MICRO BIOSYSTEMS, INC. | Purchase | 9,120 | $1.04 | $9,484 | Direct |
| Dec 3, 2024 | RPID RAPID MICRO BIOSYSTEMS, INC. | Purchase | 10,880 | $1.00 | $10,880 | Direct |
| Nov 27, 2024 | RPID RAPID MICRO BIOSYSTEMS, INC. | Purchase | 19,892 | $1.05 | $20,887 | Direct |
1-10 of 12 transactions