Robert G. Spignesi Jr. Rapid Micro Biosystems, Inc. (RPID) insider trading activity

RPID Quotes by TradingView

Robert G. Spignesi Jr. is PRESIDENT AND CEO of RAPID MICRO BIOSYSTEMS, INC.. Currently has a direct ownership of 974,937 shares of RPID, which is worth approximately $2.94 Million. The most recent transaction as insider was on Oct 17, 2025, when has been sold 6,846 shares (Class A Common Stock) at a price of $3.08 per share, resulting in proceeds of $21,085. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 975K
0.45% 3M change
80.54% 12M change
Total Value Held $2.94 Million

Robert G. Spignesi Jr. Transaction History

Date Transaction Value Shares Traded Shares Held Form
Oct 17 2025
SELL
Payment of exercise price or tax liability
$21,085 $3.08 p/Share
6,846 Reduced 0.7%
974,937 Class A Common Stock
Oct 17 2025
BUY
Exercise of conversion of derivative security
$8,424 $0.75 p/Share
11,233 Added 1.13%
979,711 Class A Common Stock
Jul 14 2025
SELL
Open market or private sale
$39,444 $3.32 p/Share
11,881 Reduced 1.21%
970,550 Class A Common Stock
Jul 14 2025
BUY
Exercise of conversion of derivative security
-
25,145 Added 2.5%
982,431 Class A Common Stock
Jul 11 2025
SELL
Open market or private sale
$39,540 $3.33 p/Share
11,874 Reduced 1.23%
957,286 Class A Common Stock
Jul 11 2025
BUY
Exercise of conversion of derivative security
-
25,145 Added 2.53%
969,160 Class A Common Stock
Jul 10 2025
SELL
Open market or private sale
$39,497 $3.4 p/Share
11,617 Reduced 1.22%
944,015 Class A Common Stock
Jul 10 2025
BUY
Exercise of conversion of derivative security
-
25,145 Added 2.64%
925,728 Class A Common Stock
Jul 09 2025
SELL
Open market or private sale
$39,476 $3.51 p/Share
11,247 Reduced 1.23%
900,583 Class A Common Stock
Jul 09 2025
BUY
Exercise of conversion of derivative security
-
25,144 Added 2.68%
911,830 Class A Common Stock
Jul 08 2025
SELL
Open market or private sale
$37,992 $3.51 p/Share
10,824 Reduced 1.21%
886,686 Class A Common Stock
Jul 08 2025
BUY
Exercise of conversion of derivative security
-
25,144 Added 2.73%
897,510 Class A Common Stock
Mar 09 2025
SELL
Payment of exercise price or tax liability
$25,453 $2.39 p/Share
10,650 Reduced 1.21%
872,366 Class A Common Stock
Feb 18 2025
BUY
Grant, award, or other acquisition
-
365,000 Added 29.25%
883,016 Class A Common Stock
Feb 11 2025
SELL
Payment of exercise price or tax liability
$28,823 $2.68 p/Share
10,755 Reduced 2.04%
516,205 Class A Common Stock
Feb 06 2025
SELL
Payment of exercise price or tax liability
$40,461 $3.1 p/Share
13,052 Reduced 2.42%
526,960 Class A Common Stock
Aug 06 2024
BUY
Open market or private purchase
$38,500 $0.77 p/Share
50,000 Added 8.47%
540,012 Class A Common Stock
Mar 11 2024
SELL
Payment of exercise price or tax liability
$10,116 $0.98 p/Share
10,323 Reduced 2.15%
468,824 Class A Common Stock
Feb 12 2024
SELL
Payment of exercise price or tax liability
$8,990 $0.96 p/Share
9,365 Reduced 1.92%
479,147 Class A Common Stock
Feb 06 2024
BUY
Grant, award, or other acquisition
-
113,000 Added 18.79%
488,512 Class A Common Stock
Aug 15 2023
BUY
Open market or private purchase
$19,400 $0.97 p/Share
20,000 Added 5.06%
375,512 Class A Common Stock
Aug 08 2023
BUY
Open market or private purchase
$31,280 $0.92 p/Share
34,000 Added 8.73%
355,512 Class A Common Stock
May 17 2023
BUY
Open market or private purchase
$18,200 $0.91 p/Share
20,000 Added 5.86%
321,512 Class A Common Stock
Mar 09 2023
BUY
Grant, award, or other acquisition
-
108,850 Added 26.97%
294,773 Class A Common Stock
Feb 13 2023
SELL
Payment of exercise price or tax liability
$14,827 $1.3 p/Share
11,406 Reduced 5.78%
185,923 Class A Common Stock
RGS

Robert G. Spignesi Jr.

PRESIDENT AND CEO
Lowell, MA

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