Insider · CIK 0001853904
Robert G. Spignesi Jr.
Files at RPID (RAPID MICRO BIOSYSTEMS, INC.). First filing Jul 10, 2025, latest Mar 12, 2026.
Robert G. Spignesi Jr. files SEC Form 4 as CEO, president and director at RPID (RAPID MICRO BIOSYSTEMS, INC.). Since Jul 10, 2025, Robert G. Spignesi Jr. has reported 0 open-market buys worth $0 and 5 open-market sells worth $467k, the latest filed on Mar 12, 2026.
A track record needs three past buys with six months of prices behind them; Robert G. Spignesi Jr. has 0, so none is measured yet.
The newest scored trade: sold $74k of RPID on Mar 10, 2026, filed Mar 12, 2026, scored 48 (moderate). In the last 12 months: 0 buys worth $0 and 3 sells worth $271k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
RPID: RAPID MICRO BIOSYSTEMS, INC.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 48Moderate | RAPID MICRO BIOSYSTEMS, INC. | $74k 17,922 shares | -2% | +109% from low-12% from high | |
| 51Moderate | RAPID MICRO BIOSYSTEMS, INC. | $149k 38,327 shares | -3% | +101% from low-15% from high | |
| 47Moderate | RAPID MICRO BIOSYSTEMS, INC. | $49k 12,840 shares | -1% | +89% from low-20% from high | |
| 19Weak | RPIDsell RAPID MICRO BIOSYSTEMS, INC. | $79k 23,755 shares | -2% | +304% from low-14% from high | |
| 20Weak | RPIDsell RAPID MICRO BIOSYSTEMS, INC. | $117k 33,688 shares | -4% | +321% from low-10% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Mar 10, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | 17,922 0.04% of outstanding | $74k | Mar 10, 2026 | $197k |
| Feb 19, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | 38,327 0.10% of outstanding | $149k | Feb 19, 2026 | $49k |
| Feb 9, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | 12,840 0.03% of outstanding | $49k | Feb 9, 2026 | none |
| Jul 14, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | 11,881 0.03% of outstanding | $39k | Jul 14, 2025 | $156k |
| Jul 11, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | 11,874 0.03% of outstanding | $39k | Jul 11, 2025 | $117k |
| Jul 10, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | 11,617 0.03% of outstanding | $39k | Jul 10, 2025 | $78k |
| Jul 9, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | 11,247 0.03% of outstanding | $39k | Jul 9, 2025 | $38k |
| Jul 8, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | 10,824 0.03% of outstanding | $38k | Jul 8, 2025 | none |
Transactions
Every row this insider has filed, 24 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 29, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | AGrant or award Class A Common Stock | +12,787 | $1.96 | $25k | 1,190,571 | Jun 2, 2026 |
| May 29, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | AGrant or award Series A Warrant (right to buy)derivative | +12,787 | $0.00 | $0 | 12,787 | Jun 2, 2026 |
| May 29, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | AGrant or award Series B Warrant (right to buy)derivative | +12,787 | $0.00 | $0 | 12,787 | Jun 2, 2026 |
| Mar 10, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -17,922 | $4.11 | $74k | 1,169,848 | Mar 12, 2026 |
| Feb 19, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -38,327 | $3.89 | $149k | 1,187,770 | Feb 20, 2026 |
| Feb 11, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | AGrant or award Class A Common Stock | +264,000 | $0.00 | $0 | 1,226,097 | Feb 13, 2026 |
| Feb 11, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | AGrant or award Stock Option (Right to Buy)derivative | +528,000 | $0.00 | $0 | 528,000 | Feb 13, 2026 |
| Feb 9, 2026 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -12,840 | $3.78 | $49k | 962,097 | Feb 10, 2026 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +3,400 | $0.75 | $2,550 | 973,950 | Oct 21, 2025 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | FTax withholding Class A Common Stock | -2,072 | $3.08 | $6,382 | 971,878 | Oct 21, 2025 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +7,833 | $0.75 | $5,875 | 979,711 | Oct 21, 2025 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | FTax withholding Class A Common Stock | -4,774 | $3.08 | $15k | 974,937 | Oct 21, 2025 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Stock Option (Right to Buy)derivative | -3,400 | $0.00 | $0 | 0 | Oct 21, 2025 |
| Oct 17, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Stock Option (Right to Buy)derivative | -7,833 | $0.00 | $0 | 0 | Oct 21, 2025 |
| Jul 11, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +25,145 | $0.00 | $0 | 969,160 | Jul 15, 2025 |
| Jul 11, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -11,874 | $3.33 | $39k | 957,286 | Jul 15, 2025 |
| Jul 14, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +25,145 | $0.00 | $0 | 982,431 | Jul 15, 2025 |
| Jul 14, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -11,881 | $3.32 | $39k | 970,550 | Jul 15, 2025 |
| Jul 8, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +25,144 | $0.00 | $0 | 897,510 | Jul 10, 2025 |
| Jul 8, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -10,824 | $3.51 | $38k | 886,686 | Jul 10, 2025 |
| Jul 9, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +25,144 | $0.00 | $0 | 911,830 | Jul 10, 2025 |
| Jul 9, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -11,247 | $3.51 | $39k | 900,583 | Jul 10, 2025 |
| Jul 10, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | MOption exercise Class A Common Stock | +25,145 | $0.00 | $0 | 925,728 | Jul 10, 2025 |
| Jul 10, 2025 | RPID RAPID MICRO BIOSYSTEMS, INC. | SOpen-market sale Class A Common Stock | -11,617 | $3.40 | $39k | 944,015 | Jul 10, 2025 |
Questions about Robert G. Spignesi Jr.
Answered from the filings on this page, as of the latest one.
Is Robert G. Spignesi Jr. buying or selling?
In the last 12 months Robert G. Spignesi Jr. reported 0 open-market buys worth $0 and 3 open-market sells worth $271k on SEC Form 4; the latest was sold $74k of RPID on Mar 10, 2026. Grants, option exercises and tax withholding are not counted.
How did Robert G. Spignesi Jr.'s past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Robert G. Spignesi Jr. has 0.
Where does Robert G. Spignesi Jr. file Form 4?
Robert G. Spignesi Jr. has filed Form 4 at RPID (RAPID MICRO BIOSYSTEMS, INC.) as PRESIDENT AND CEO. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.