NASDAQ:ONC

ONC Stock Insider Trading

etoro logo Buy ONC
*Your capital is at risk
$359.00
+10.73 (+3.08%)
At Close: Aug 10, 2026

Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be negative at -88.64. In total, the insiders bought 8.09M and sold 669.4K ONC shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
-88.64
Buy 8.09M shares
Sell 669.4K shares
34% Buy Activity
Weak Negative Correlation
Sell Signal Medium Confidence
Jul 14, 2026

Analysis Breakdown:

  • Strongly supported by a very low Insider Power Score of -88.64.
  • Confidence increased due to high data reliability score of 90.

Historical Insider Trades

Date Type Person Role Amount
Aug 03, 2026
Sell
American Depositary Shares
S-Sale
Rosenberg Aaron
Chief Financial Officer
C-Suite Officer 1 157
Value: $361.8K
Jul 30, 2026
Sell
American Depositary Shares
S-Sale
Lee Chan Henry
SVP, General Counsel
Officer 1 044
Value: $337.9K
Jul 22, 2026
Sell
American Depositary Shares
S-Sale
Lee Chan Henry
SVP, General Counsel
Officer 1 669
Value: $542.4K
Jul 22, 2026
Buy
American Depositary Shares
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 490
Value: $77.9K
Jul 22, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 6 682
Value: $100.0K
Jul 22, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 8 645
Value: $141.9K
Jul 22, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 6 370
Value: $77.9K
Jul 22, 2026
Buy
American Depositary Shares
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 665
Value: $141.9K
Jul 22, 2026
Buy
American Depositary Shares
M-Exempt
Lee Chan Henry
SVP, General Counsel
Officer 514
Value: $100.0K
Jul 21, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 20 029
Value: $6.35M
Jul 21, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 7 842
Value: $2.50M
Jul 21, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 2 340
Value: $748.9K
Jul 21, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 15 807
Value: $5.05M
Jul 21, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 15 379
Value: $4.86M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 15 499
Value: $4.84M
Jul 20, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 33 990
Value: $4.08M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 280
Value: $89.1K
Jul 20, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 441 870
Value: $4.08M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 5 146
Value: $1.60M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 14 326
Value: $4.48M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 523
Value: $165.3K
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 1 512
Value: $476.7K
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 1 850
Value: $580.7K
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 6 273
Value: $1.95M
Jul 20, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 2 907
Value: $906.4K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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