Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 100
- Price
- $85.76
- Value
- $8,576
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•19 filings
INBX
Inhibrx Biosciences, Inc.
Net purchases of $6.1M over the last 3 months
3 buyers account for the net balance. There is no cluster of three distinct buyers within 30 days. We found 16 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
+$6,068,347
3 buyers · 1 sellers
12-month purchases
$6,347,357
3 distinct insiders
12-month sales
$279,010
1 distinct insiders
Highlighted alerts
28
0 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
16 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.
33
Raw transactions
Everything returned by the filing
28
Voluntary view
P/S trades after deterministic checks
5
Administrative noise
Stored, never alerted
0
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- A
- Shares
- 10,000
- Price
- $0.00
- Footnotes
- 1
This stock option will be fully exercisable on June 3, 2027, subject to the reporting person's continued service through such date.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 2,451
- Price
- $85.00
- Value
- $208,333
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 2,449
- Price
- $84.07
- Value
- $205,889
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 100
- Price
- $85.76
- Value
- $8,576
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 2,470
- Price
- $85.00
- Value
- $209,948
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 2,470
- Price
- $84.07
- Value
- $207,655
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 3,000
- Price
- $101.70
- Value
- $305,106
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 1,500
- Price
- $98.88
- Value
- $148,320
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 2,176
- Price
- $99.60
- Value
- $216,727
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 3,324
- Price
- $98.87
- Value
- $328,630
Kayyem Jon Faiz
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $100.00
- Value
- $500,000
Kayyem Jon Faiz
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $100.00
- Value
- $500,000
MANHARD KIMBERLY
Director
SaleAlert
- Shares
- 500
- Price
- $105.05
- Value
- $52,525
MANHARD KIMBERLY
Director
SaleAlert
- Shares
- 500
- Price
- $110.26
- Value
- $55,130
MANHARD KIMBERLY
Director
SaleAlert
- Shares
- 500
- Price
- $111.78
- Value
- $55,888
MANHARD KIMBERLY
Director
SaleAlert
- Shares
- 500
- Price
- $115.80
- Value
- $57,898
Kayyem Jon Faiz
Director
PurchaseAlert
- Shares
- 5,000
- Price
- $113.52
- Value
- $567,580
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 9,681
- Price
- $112.28
- Value
- $1,087,001
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 1,219
- Price
- $111.88
- Value
- $136,382
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 500
- Price
- $108.24
- Value
- $54,118
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 1,100
- Price
- $107.12
- Value
- $117,836
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 6,605
- Price
- $100.64
- Value
- $664,719
Lappe Mark
Chief Executive Officer
PurchaseAlert
- Shares
- 5,895
- Price
- $99.29
- Value
- $585,343
FORSYTH DOUGLAS
Director
PurchaseAlert
- Shares
- 2,500
- Price
- $114.65
- Value
- $286,617
MANHARD KIMBERLY
Director
SaleAlert
- Shares
- 500
- Price
- $115.14
- Value
- $57,570
VIKING GLOBAL INVESTORS LP
10% owner
SaleAlert
- Shares
- 25,042
- Price
- $32.25
- Value
- $807,605
VIKING GLOBAL INVESTORS LP
10% owner
SaleAlert
- Shares
- 16,315
- Price
- $32.25
- Value
- $526,159
VIKING GLOBAL INVESTORS LP
10% owner
SaleAlert
- Shares
- 308,643
- Price
- $32.25
- Value
- $9,953,737
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 100 | $85.76 | $8,576 | |
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 2,451 | $85.00 | $208,333 | |
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 2,449 | $84.07 | $205,889 | |
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 100 | $85.76 | $8,576 | |
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 2,470 | $85.00 | $209,948 | |
| Oct 14, 2026 | Lappe Mark Chief Executive Officer | Purchase | 2,470 | $84.07 | $207,655 | |
| Sep 28, 2026 | Lappe Mark Chief Executive Officer | Purchase | 3,000 | $101.70 | $305,106 | |
| Sep 28, 2026 | Lappe Mark Chief Executive Officer | Purchase | 1,500 | $98.88 | $148,320 | |
| Sep 25, 2026 | Lappe Mark Chief Executive Officer | Purchase | 2,176 | $99.60 | $216,727 | |
| Sep 25, 2026 | Lappe Mark Chief Executive Officer | Purchase | 3,324 | $98.87 | $328,630 | |
| Sep 23, 2026 | Kayyem Jon Faiz Director | Purchase | 5,000 | $100.00 | $500,000 | |
| Sep 16, 2026 | Kayyem Jon Faiz Director | Purchase | 5,000 | $100.00 | $500,000 | |
| Sep 15, 2026 | MANHARD KIMBERLY Director | Sale | 500 | $105.05 | $52,525 | |
| Sep 14, 2026 | MANHARD KIMBERLY Director | Sale | 500 | $110.26 | $55,130 | |
| Sep 11, 2026 | MANHARD KIMBERLY Director | Sale | 500 | $111.78 | $55,888 | |
| Sep 09, 2026 | MANHARD KIMBERLY Director | Sale | 500 | $115.80 | $57,898 | |
| Sep 08, 2026 | Kayyem Jon Faiz Director | Purchase | 5,000 | $113.52 | $567,580 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 9,681 | $112.28 | $1,087,001 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 1,219 | $111.88 | $136,382 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 500 | $108.24 | $54,118 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 1,100 | $107.12 | $117,836 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 6,605 | $100.64 | $664,719 | |
| Sep 08, 2026 | Lappe Mark Chief Executive Officer | Purchase | 5,895 | $99.29 | $585,343 | |
| Sep 08, 2026 | FORSYTH DOUGLAS Director | Purchase | 2,500 | $114.65 | $286,617 | |
| Sep 08, 2026 | MANHARD KIMBERLY Director | Sale | 500 | $115.14 | $57,570 | |
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP 10% owner | Sale | 25,042 | $32.25 | $807,605 | |
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP 10% owner | Sale | 16,315 | $32.25 | $526,159 | |
| Oct 07, 2025 | VIKING GLOBAL INVESTORS LP 10% owner | Sale | 308,643 | $32.25 | $9,953,737 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.