ORKA

Oruka Therapeutics, Inc.

NasdaqHealthcarePharmaceutical Preparations

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 01, 2026Most recent Form 4
Total buying$00 buys
Total selling$812M9 sells
Net open-market-$812M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
9 transactions
0 buys0%·100%9 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 4 transactions · $78.2M4AugSep 2026 sells: 5 transactions · $734M5Sep

Transaction codes

By Form 4 transaction code in selected period
17transactions
  • S · Open-market sells · dominant9 · 53%
  • M · Option exercise8 · 47%

Activity by reported role

A joint filing can contribute to multiple roles
17transactions
  • CMO · dominant8 · 47%
  • Chief executive officer5 · 29%
  • COO4 · 24%

Distinct insiders active

Reporting-owner CIKs by month · peak Sep 2026 (2)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Goncalves JoanaCommon Stock · Direct
39.7k32.7kAug 17, 2026 · 35,198 shares owned afterAug 17, 2026 · 36,218 shares owned afterAug 17, 2026 · 39,718 shares owned afterAug 17, 2026 · 38,818 shares owned afterAug 17, 2026 · 38,518 shares owned afterAug 17, 2026 · 32,718 shares owned afterAug 17, 2026Aug 17, 2026
32,718Aug 17, 2026
Klein Lawrence OttoCommon Stock · Direct
1.0M925.6kSep 01, 2026 · 930,380 shares owned afterSep 01, 2026 · 993,976 shares owned afterSep 01, 2026 · 1,000,580 shares owned afterSep 01, 2026 · 925,580 shares owned afterSep 01, 2026Sep 01, 2026
925,580Sep 01, 2026
Sandler Laura LeeCommon Stock · Direct
241.4k236.4kSep 01, 2026 · 241,384 shares owned afterSep 01, 2026 · 240,384 shares owned afterSep 01, 2026 · 236,384 shares owned afterSep 01, 2026Sep 01, 2026
236,384Sep 01, 2026
Goncalves JoanaEmployee Stock Option (right to buy) · Direct
197.1k197.1kAug 17, 2026 · 197,063 shares owned afterAug 17, 2026Aug 17, 2026
197,063Aug 17, 2026
Goncalves JoanaEmployee Warrant (right to buy) · Direct
168.5k168.5kAug 17, 2026 · 168,492 shares owned afterAug 17, 2026Aug 17, 2026
168,492Aug 17, 2026
Klein Lawrence OttoEmployee Warrant (right to buy) · Direct
1.6M1.6MSep 01, 2026 · 1,553,513 shares owned afterSep 01, 2026Sep 01, 2026
1,553,513Sep 01, 2026
Sandler Laura LeeEmployee Warrant (right to buy) · Direct
75.0k75.0kSep 01, 2026 · 74,996 shares owned afterSep 01, 2026Sep 01, 2026
74,996Sep 01, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
2 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
3 insiders
Recent filing activity
Most recent 12 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$584M
10b5-1 detected17
Amended rows0

ORKA transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
ORKASandler Laura Lee
COO
exercise10b5-15.00k$0M0.0%09/0109/01
ORKASandler Laura Lee
COO
sale10b5-14.00k-$36.8MS0.0%09/0109/01
ORKASandler Laura Lee
COO
sale10b5-11.00k-$9.10MS0.0%09/0109/01
ORKASandler Laura Lee
COO
exercise10b5-15.00k$3.90MM0.0%09/0109/01
ORKAKlein Lawrence Otto
CEO
exercise10b5-175.0k$0M0.0%09/0109/01
ORKAKlein Lawrence Otto
CEO
sale10b5-14.80k-$44.3MS0.0%09/0109/01
ORKAKlein Lawrence Otto
CEO
sale10b5-163.5k-$584MS0.0%09/0109/01
ORKAKlein Lawrence Otto
CEO
sale10b5-16.60k-$59.9MS0.0%09/0109/01
ORKAKlein Lawrence Otto
CEO
exercise10b5-175.0k$58.5MM0.0%09/0109/01
ORKAGoncalves Joana
CMO
exercise10b5-13.50k$0M18.2%08/1708/17
ORKAGoncalves Joana
CMO
exercise10b5-13.50k$0M18.2%08/1708/17
ORKAGoncalves Joana
CMO
sale10b5-12.48k-$27.9MS18.2%08/1708/17
ORKAGoncalves Joana
CMO
sale10b5-13.32k-$37.1MS18.2%08/1708/17
ORKAGoncalves Joana
CMO
sale10b5-1300-$3.31MS18.2%08/1708/17
ORKAGoncalves Joana
CMO
sale10b5-1900-$9.86MS18.2%08/1708/17
ORKAGoncalves Joana
CMO
exercise10b5-13.50k$2.73MM18.2%08/1708/17
ORKAGoncalves Joana
CMO
exercise10b5-13.50k$2.39MM18.2%08/1708/17

Oruka Therapeutics, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Oruka Therapeutics, Inc.?

Sandler Laura Lee, Klein Lawrence Otto, Goncalves Joana.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Sandler Laura Lee reported a sale on Sep 01, 2026 valued at $36.8M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $8,129,467.75. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.