ONTF

ON24 INC.

Services-Prepackaged SoftwareNYSE<br>Emerging growth company

Total Trades

189

Buys

11

Sells

141

Largest Trade

N/A

Insiders

8

Institutional Funds

81

Inst. Value

$1M+

Activist Filings

27

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Vattuone StevenCFOSELL$100K–$500K22K$8.03Mar 5, 2026
Vattuone StevenCFOGRANTN/A28KMar 3, 2026
Vattuone StevenCFOSELL$100K–$500K23K$8.01Mar 3, 2026
Sahasi JayeshEV PresidentGRANTN/A30KMar 3, 2026
Sahasi JayeshEV PresidentSELL$100K–$500K22K$8.01Mar 3, 2026
Blackie JamesChief Revenue Offi…GRANTN/A25KMar 3, 2026
Blackie JamesChief Revenue Offi…SELL$100K–$500K20K$8.01Mar 3, 2026
Sharan SharatPresident and Chie…GRANTN/A126KMar 3, 2026
Sharan SharatPresident and Chie…SELL$100K–$500K16K$8.01Mar 3, 2026
Vattuone StevenCFOSELL$1K–$15K422$7.92Feb 12, 2026
Vattuone StevenCFOGRANTN/A747Feb 11, 2026
Vattuone StevenCFOSELL$1K–$15K325$7.93Feb 11, 2026
Sharan SharatPresident and Chie…SELL$15K–$50K2K$7.93Feb 11, 2026
Sharan SharatPresident and Chie…GRANTN/A5KFeb 11, 2026
Sahasi JayeshEV PresidentSELL$1K–$15K250$7.93Feb 11, 2026
Sahasi JayeshEV PresidentGRANTN/A574Feb 11, 2026
Blackie JamesChief Revenue Offi…SELL$1K–$15K240$7.93Feb 11, 2026
Blackie JamesChief Revenue Offi…GRANTN/A551Feb 11, 2026
Sharan SharatPresident and Chie…SELL$100K–$500K50K$7.97Jan 5, 2026
Vattuone StevenCFOSELL$500K+80K$7.98Jan 2, 2026
Sahasi JayeshEV PresidentSELL$100K–$500K35K$7.98Jan 2, 2026
Blackie JamesChief Revenue Offi…SELL$100K–$500K16K$7.96Jan 2, 2026
Blackie JamesChief Revenue Offi…EXERCISE$15K–$50K16K$0.99Jan 2, 2026
Sharan SharatPresident and Chie…SELL$100K–$500K19K$5.82Dec 18, 2025
Sharan SharatPresident and Chie…EXERCISE$15K–$50K29K$1.70Dec 18, 2025
Vattuone StevenCFOSELL$15K–$50K7K$6.04Dec 10, 2025
Vattuone StevenCFOSELL$100K–$500K36K$5.72Dec 3, 2025
Sahasi JayeshEV PresidentSELL$100K–$500K24K$5.68Dec 3, 2025
Blackie JamesChief Revenue Offi…SELL$100K–$500K23K$5.68Dec 3, 2025
Sharan SharatPresident and Chie…EXERCISE$15K–$50K53K$0.89Nov 25, 2025
Sharan SharatPresident and Chie…SELL$100K–$500K32K$5.30Nov 25, 2025
Vattuone StevenCFOSELL$15K–$50K8K$5.29Nov 24, 2025
Sahasi JayeshEV PresidentSELL$15K–$50K4K$5.30Nov 24, 2025
Blackie JamesChief Revenue Offi…SELL$15K–$50K5K$5.30Nov 24, 2025
Sharan SharatPresident and Chie…SELL$100K–$500K32K$5.45Oct 20, 2025
Sharan SharatPresident and Chie…EXERCISE$15K–$50K53K$0.89Oct 20, 2025
Sharan SharatPresident and Chie…SELL$100K–$500K50K$5.68Oct 2, 2025
Sharan SharatPresident and Chie…EXERCISE$15K–$50K53K$0.89Sep 17, 2025
Sharan SharatPresident and Chie…SELL$100K–$500K32K$5.55Sep 17, 2025
Vattuone StevenCFOSELL$100K–$500K30K$5.54Sep 9, 2025
Sahasi JayeshEV PresidentSELL$15K–$50K8K$5.54Sep 9, 2025
Blackie JamesChief Revenue Offi…SELL$15K–$50K7K$5.54Sep 9, 2025
Sahasi JayeshEV PresidentSELL$50K–$100K12K$5.51Sep 4, 2025
Blackie JamesChief Revenue Offi…SELL$50K–$100K9K$5.51Sep 4, 2025
Vattuone StevenCFOSELL$50K–$100K13K$5.51Sep 4, 2025
Blackie JamesChief Revenue Offi…SELL$15K–$50K3K$5.21Aug 22, 2025
Sahasi JayeshEV PresidentSELL$15K–$50K3K$5.21Aug 22, 2025
Vattuone StevenCFOSELL$15K–$50K8K$5.24Aug 22, 2025
Sharan SharatPresident and Chie…SELL$100K–$500K38K$5.16Jul 16, 2025
Sharan SharatPresident and Chie…EXERCISE$50K–$100K62K$0.89Jul 16, 2025
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Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

The Vanguard Group

SC 13G/A · Jan 30, 2026

4.7%

2.0M shares

Indaba Capital Management, L.P.

SC 13D/A · Dec 31, 2025

10.0%

4.2M shares

Lynrock Lake LP

SC 13D/A · Dec 31, 2025

19.5%

8.3M shares

Lynrock Lake LP

SC 13D/A · Jun 11, 2025

19.4%

8.3M shares

Lynrock Lake LP

SC 13D/A · May 15, 2025

18.2%

7.7M shares

BlackRock, Inc.

SC 13G/A · Apr 17, 2025

5.3%

2.3M shares

Indaba Capital Management, L.P.

SC 13D/A · Mar 19, 2025

10.0%

4.2M shares

Indaba Capital Management, L.P.

SC 13D/A · Feb 26, 2024

10.2%

4.2M shares

Greenhouse Funds LLLP

SC 13G/A · Feb 15, 2024

1.0%

400K shares

The Vanguard Group - 23-1945930

SC 13G/A · Feb 13, 2024

5.8%

2.4M shares

Sharat Sharan 2

SC 13G/A · Feb 13, 2024

10.7%

4.7M shares

BlackRock, Inc.

SC 13G/A · Jan 29, 2024

6.4%

2.7M shares

Indaba Capital Management, L.P.

SC 13D/A · Jan 18, 2024

10.2%

4.2M shares

Lynrock Lake LP

SC 13D/A · Jan 16, 2024

17.7%

7.3M shares

Lynrock Lake LP

SC 13D/A · Aug 11, 2023

16.7%

7.3M shares

Lynrock Lake LP

SC 13D/A · Mar 13, 2023

15.3%

7.3M shares

Indaba Capital Management, L.P.

SC 13D/A · Mar 13, 2023

8.8%

4.2M shares

Lynrock Lake LP

SC 13D · Feb 14, 2023

15.3%

7.3M shares

Sharat Sharan

SC 13G/A · Feb 13, 2023

9.0%

4.5M shares

BlackRock, Inc.

SC 13G · Feb 3, 2023

6.6%

3.2M shares

Greenhouse Funds LLLP

SC 13G · Jan 26, 2023

5.5%

2.6M shares

Indaba Capital Management, L.P.

SC 13D · Dec 20, 2022

8.8%

4.2M shares

Lynrock Lake LP

SC 13G/A · May 10, 2022

12.7%

6.0M shares

Sharat Sharan

SC 13G · Feb 14, 2022

9.0%

4.5M shares

Indaba Capital Management, L.P.

SC 13G · Feb 14, 2022

7.4%

3.5M shares

Lynrock Lake LP

SC 13G · Feb 14, 2022

9.6%

4.6M shares

THE GOLDMAN SACHS GROUP, INC.

SC 13G · Feb 11, 2022

7.5%

3.6M shares

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