Bain Capital Life Sciences Investors, LLC
10% owner
PurchaseAlert
- Shares
- 1,463,000
- Price
- —
- Value
- —
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•30 filings
RPID
RAPID MICRO BIOSYSTEMS, INC.
No net buying or selling imbalance over the last 3 months
No net buyers or sellers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found no CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
$0.00
0 buyers · 0 sellers
12-month purchases
$0.00
4 distinct insiders
12-month sales
$663,949
6 distinct insiders
Highlighted alerts
8
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
No executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
66
Raw transactions
Everything returned by the filing
8
Voluntary view
P/S trades after deterministic checks
55
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- S
- Shares
- 9,603
- Price
- $4.32
- Footnotes
- 1
Represents the automatic sale of stock to cover the associated tax obligations with the vesting of restricted stock units.
Raspberry interpretation
Informational — no alert
Reason: tax_withholding. The filing footnotes identify tax withholding.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Bain Capital Life Sciences Investors, LLC
10% owner
PurchaseAlert
- Shares
- 1,463,000
- Price
- —
- Value
- —
Bain Capital Life Sciences Investors, LLC
10% owner
PurchaseAlert
- Shares
- 1,463,000
- Price
- —
- Value
- —
Longitude Capital Partners II, LLC
10% owner
SaleAlert
- Shares
- 49,000
- Price
- $3.88
- Value
- $190,091
Longitude Capital Partners II, LLC
10% owner
SaleAlert
- Shares
- 27,500
- Price
- $4.24
- Value
- $116,641
Longitude Capital Partners II, LLC
10% owner
SaleAlert
- Shares
- 27,500
- Price
- $4.25
- Value
- $116,765
Longitude Capital Partners II, LLC
10% owner
SaleAlert
- Shares
- 46,000
- Price
- $4.54
- Value
- $209,001
Longitude Capital Partners II, LLC
10% owner
SaleAlert
- Shares
- 7,739
- Price
- $4.06
- Value
- $31,451
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| May 20, 2026 | Bain Capital Life Sciences Investors, LLC 10% owner | Purchase | 1,463,000 | — | — | |
| May 20, 2026 | Bain Capital Life Sciences Investors, LLC 10% owner | Purchase | 1,463,000 | — | — | |
| May 20, 2026 | Bain Capital Life Sciences Investors, LLC 10% owner | Purchase | 1,463,000 | — | — | |
| Feb 04, 2026 | Longitude Capital Partners II, LLC 10% owner | Sale | 49,000 | $3.88 | $190,091 | |
| Feb 03, 2026 | Longitude Capital Partners II, LLC 10% owner | Sale | 27,500 | $4.24 | $116,641 | |
| Feb 02, 2026 | Longitude Capital Partners II, LLC 10% owner | Sale | 27,500 | $4.25 | $116,765 | |
| Jan 30, 2026 | Longitude Capital Partners II, LLC 10% owner | Sale | 46,000 | $4.54 | $209,001 | |
| Jan 23, 2026 | Longitude Capital Partners II, LLC 10% owner | Sale | 7,739 | $4.06 | $31,451 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.