PlainPharmaWatch

CMS Open Payments · Program Year 2024

Karyopharm Therapeutics Inc.

Karyopharm Therapeutics Inc. reported $5,615,816.53 in payments to 5,247 physicians and teaching hospitals across 7,322 transactions.

See the rankings → How this is sourced
$5.6M
Total payments
7,322
Transactions
5,247
Recipients
−$165.4K
General Payments vs PY2023

Karyopharm Therapeutics Inc. reported $5,615,816.53 in payments to 5,247 physicians and teaching hospitals in CMS Open Payments Program Year 2024 - ranking #259 of 1,925 reporting manufacturers (0.0% of all US industry payments), averaging $1.1K per recipient across 7 payment categories. Figures are company-reported under the Physician Payments Sunshine Act; a reported payment is a financial relationship, not evidence of wrongdoing.

Data currency: Figures are rendered from the processed CMS Open Payments release. See our methodology for source dates and refresh cadence. Spot a figure that looks wrong? Report a correction.

Compiled from official public sources by the editorial team.

The verdict

Karyopharm Therapeutics Inc. pairs top-quartile payment volume with an unusually diversified payment pattern across a wide recipient base.

#259
of 1,925 companies
0.0%
of all US industry payments
0.1%
paid to its single top recipient
7
payment categories

Release-over-release change

General Payments changed from PY2023 to PY2024

Karyopharm Therapeutics Inc.'s CMS-reported General Payments decreased by $165.4K (−14.1%) from PY2023 to PY2024. The comparison uses the same CMS manufacturer-by-payment-category summary for both years and excludes research and ownership or investment records.

CMS source labels for this exact identifier: PY2022: KARYOPHARM THERAPEUTICS INC.PY2023: KARYOPHARM THERAPEUTICS INC.PY2024: Karyopharm Therapeutics Inc.. Matching identifiers support a bounded record comparison; a label difference would be reported as unresolved rather than treated as a corporate event.

Subscribe to this company's source-bounded update feed It publishes only identifier-matched CMS release comparisons, never inferred company events.

General Payments: PY2023 vs PY2024

Annual CMS-reported totals for this company, not an all-category Open Payments total

PY2023$1.2MPY2024$1.0M
PY2023
$1,172,114.61
PY2024
$1,006,759.59

How Karyopharm Therapeutics Inc. ranks nationally

Where this company's total reported payments fall within the full national distribution of all 1,925 companies in CMS Open Payments, not just its nearest peers.

Karyopharm Therapeutics Inc.'s total vs. every reporting company

CMS Open Payments, Program Year 2024

$5,615,817 Top 13% higher than 87% of 1,925 reporting companies

$9–$28: 3 reporting companies (0%). Below this entry. $28–$87: 10 reporting companies (1%). Below this entry. $87–$270: 20 reporting companies (1%). Below this entry. $270–$838: 41 reporting companies (2%). Below this entry. $838–$2,603: 76 reporting companies (4%). Below this entry. $2,603–$8,084: 114 reporting companies (6%). Below this entry. $8,084–$25,112: 167 reporting companies (9%). Below this entry. $25,112–$78,003: 249 reporting companies (13%). Below this entry. $78,003–$242,294: 295 reporting companies (15%). Below this entry. $242,294–$752,621: 270 reporting companies (14%). Below this entry. $752,621–$2,337,813: 263 reporting companies (14%). Below this entry. $2,337,813–$7,261,783: 200 reporting companies (10%). This entry sits in this band. $7,261,783–$22,556,757: 133 reporting companies (7%). Above this entry. $22,556,757–$70,066,439: 45 reporting companies (2%). Above this entry. $70,066,439–$217,642,369: 26 reporting companies (1%). Above this entry. $217,642,369–$676,046,922: 13 reporting companies (1%). Above this entry. This company $9 $676,046,922 every reporting company, bucketed by value

Each bar is a progressively wider band; taller bars hold more reporting companies. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Open Payments · 2024

What the Data Shows for Karyopharm Therapeutics Inc.

Rank #259 of 1,925 companies in CMS Open Payments for 2024 belongs to Karyopharm Therapeutics Inc., which reported $5,615,816.53 across 7,322 transactions to 5,247 recipients - a comparatively small 0.0% slice of all industry payments reported nationwide for the year. Averages work out to $766.98 per transaction and $1.1K per recipient.

141 transactions worth $429.8K make "Honoraria" the top general-payment category in the 7-category breakdown below, 7.7% of the reported total (see our methodology for how research and ownership payments are reported separately).

General Payment Breakdown by Type

"Honoraria" leads Karyopharm Therapeutics Inc.'s 7-category general-payment breakdown at $429.8K, 7.7% of the reported total.

How Karyopharm Therapeutics Inc. divides its payments

Ranked by total dollars reported per category

1. Honoraria$429.8K2. Consulting Fee$232.3K3. Travel and Lodging$134.6K4. Food and Beverage$129.2K5. Space Rental or Facility …$65.7K6. Grant$15.0K7. Education$92.71
Payment Type Amount Transactions
Honoraria $429.8K 141
Consulting Fee $232.3K 109
Travel and Lodging $134.6K 269
Food and Beverage $129.2K 4,711
Space Rental or Facility Fees $65.7K 7
Grant $15.0K 1
Education $92.71 9

Recipient Concentration in General Payments

The five largest recipient relationships account for $219,316.52 (21.8%) of $1,006,759.59 in this company's General Payments records across 2,891 recipients. This is a CMS Open Payments Program Year 2024 General Payments view only: it excludes research and ownership/investment records, so it is not the all-category company total above.

Largest General-Payment relationships for Karyopharm Therapeutics Inc.

The five named recipients with the highest reported General Payments from this company

Hakan Kaya$54.2KMount Sinai Hospital$49.6KMatthew M Burke$43.9KTaral Patel$38.3KKelly Mccaul$33.3K
  1. 1

    Hakan Kaya

    $54,164.40 across 33 reported transactions

  2. 2

    Mount Sinai Hospital

    $49,600.00 across 2 reported transactions

  3. 3

    Matthew M Burke

    $43,911.08 across 82 reported transactions

  4. 4

    Taral Patel

    $38,329.79 across 31 reported transactions

  5. 5

    Kelly Mccaul

    $33,311.25 across 17 reported transactions

Compare this company's payment profile with similarly sized manufacturers in the company comparison tool, and consult the methodology for the CMS source scope.

Payment Size Analysis

Average transaction size: $766.98. Average per recipient: $1.1K.

Total Amount

$5,615,816.53

Avg per Transaction

$766.98

Avg per Recipient

$1.1K

Payment Transparency Context

What is the Sunshine Act?

The Physician Payments Sunshine Act (part of the Affordable Care Act) requires pharmaceutical and medical device manufacturers to report payments and transfers of value to physicians and teaching hospitals. These payments can include consulting fees, research grants, speaker fees, food and beverages, travel, royalties, and other forms of compensation.

Industry Total (2024)

$13.9B

across 1,925 companies

Karyopharm Therapeutics Inc. Share

0.0%

#259 by total payments

Companies with Similar Payment Volumes

Pharmaceutical companies with payment totals similar to Karyopharm Therapeutics Inc.

Marinus Pharmaceuticals, Inc.

$5.6M 988 recipients

Providence Medical Technology, Inc.

$5.6M 2,215 recipients

DeRoyal Industries, Inc.

$5.6M 82 recipients

Ascendis Pharma Inc

$5.7M 2,549 recipients

Nalu Medical, Inc.

$5.7M 9,707 recipients

Highridge Medical LLC

$5.8M 2,278 recipients

Frequently Asked Questions

How much did Karyopharm Therapeutics Inc. pay to physicians and hospitals in 2024? ▾
0.0% of all industry payments reported to CMS Open Payments for 2024 came from Karyopharm Therapeutics Inc., totaling $5,615,816.53 across 7,322 transactions to physicians and hospitals.
How many physicians received payments from Karyopharm Therapeutics Inc.? ▾
5,247 physicians and teaching hospitals received payments from Karyopharm Therapeutics Inc. in 2024, averaging $1.1K per recipient.
What types of payments did Karyopharm Therapeutics Inc. make? ▾
7 categories of general payment make up Karyopharm Therapeutics Inc.'s reported activity, including consulting, meals, travel, and similar types. The largest general-payment category was "Honoraria" at $429.8K, representing 7.7% of the company's reported total.
How does Karyopharm Therapeutics Inc. rank among pharmaceutical companies? ▾
By total payment amount, Karyopharm Therapeutics Inc. sits at #259 of 1,925 companies in the CMS Open Payments database for 2024.
What is the average payment size from Karyopharm Therapeutics Inc.? ▾
Karyopharm Therapeutics Inc.'s 7,322 transactions to 5,247 recipients in 2024 averaged $766.98 per transaction.
Where does the payment data for Karyopharm Therapeutics Inc. come from? ▾
This data comes from the CMS Open Payments program (Sunshine Act), which requires pharmaceutical and medical device companies to report payments and transfers of value to physicians and teaching hospitals. The data covers Program Year 2024.

Data Source: Centers for Medicare & Medicaid Services (CMS) Open Payments, Program Year 2024. Data includes general payments, research payments, and physician ownership/investment interests as required by the Physician Payments Sunshine Act. Total industry payments: $13.9B across 1,925 companies.

Data sourced from CMS Open Payments (Physician Payments Sunshine Act). See our methodology for details. Retrieved and formatted by PlainPharmaWatch Editorial
Disclaimer

This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the CMS Open Payments program. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

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Every figure on PlainPharmaWatch is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-07-25.