Lerner Neil
Chief Accounting Officer
PurchaseAlert
- Shares
- 20,000
- Price
- $0.92
- Value
- $18,400
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•23 filings
CMPX
Compass Therapeutics, Inc.
Net purchases of $21.3K over the last 3 months
1 buyer 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
+$21,250
1 buyers · 0 sellers
12-month purchases
$96,850
2 distinct insiders
12-month sales
$0.00
0 distinct insiders
Highlighted alerts
4
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.
25
Raw transactions
Everything returned by the filing
4
Voluntary view
P/S trades after deterministic checks
21
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- A
- Shares
- 25,000
- Price
- $1.89
- Footnotes
- 1
150,000 of the shares represents unvested restricted stock units ("RSU") granted on January 2, 2026. Each RSU represents a contingent right to receive one share of common stock. The award is subject to service-based vesting conditions and vests in four equal annual installments, with the first installment vested on January 2, 2027.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Lerner Neil
Chief Accounting Officer
PurchaseAlert
- Shares
- 2,500
- Price
- $1.14
- Value
- $2,850
Lerner Neil
Chief Accounting Officer
PurchaseAlert
- Shares
- 15,000
- Price
- $1.89
- Value
- $28,350
Anderman Jonathan
General Counsel
PurchaseAlert
- Shares
- 25,000
- Price
- $1.89
- Value
- $47,250
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 01, 2026 | Lerner Neil Chief Accounting Officer | Purchase | 20,000 | $0.92 | $18,400 | |
| Sep 24, 2026 | Lerner Neil Chief Accounting Officer | Purchase | 2,500 | $1.14 | $2,850 | |
| Apr 29, 2026 | Lerner Neil Chief Accounting Officer | Purchase | 15,000 | $1.89 | $28,350 | |
| Apr 29, 2026 | Anderman Jonathan General Counsel | Purchase | 25,000 | $1.89 | $47,250 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.