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
Jul 16, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 520
Value: $168.3K
Jul 16, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 1 254 513
Value: $15.5M
Jul 15, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 41 336
Value: $12.9M
Jul 15, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 55 575
Value: $685.8K
Jul 15, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 4 275
Value: $685.7K
Jul 15, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 76 677
Value: $13.0M
Jul 15, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 6 067
Value: $1.88M
Jul 15, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 12 857
Value: $4.01M
Jul 15, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 35 605
Value: $3.56M
Jul 15, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 48 657
Value: $15.2M
Jul 15, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 996 801
Value: $13.0M
Jul 15, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 462 865
Value: $3.56M
Jul 15, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 7 640
Value: $2.40M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 7 834
Value: $2.41M
Jul 14, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 1 264 666
Value: $3.59M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 40 781
Value: $12.5M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 4 139
Value: $1.25M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 45 895
Value: $14.1M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 39 090
Value: $11.9M
Jul 14, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 97 282
Value: $3.59M
Jul 14, 2026
Buy
Share Option (Right to Buy)
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 472 134
Value: $3.64M
Jul 14, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 8 122
Value: $2.47M
Jul 14, 2026
Buy
American Depositary Shares
M-Exempt
Oyler John
Chief Executive Officer
CEO / President 36 318
Value: $3.63M
Jul 13, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 320
Value: $98.4K
Jul 13, 2026
Sell
American Depositary Shares
S-Sale
Oyler John
Chief Executive Officer
CEO / President 7 240
Value: $2.22M

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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