On24 Inc. (ONTF) Insider Ownership

Historic Insider Ownership Trends

Over the 90-day window ending January 10, 2026, On24's three dominant insider ownership positions are held by TenPercentOwner Lake Lp Lynrock (8.29Mn shares), TenPercentOwner Equity Aggregator Llc Canaan (4.51Mn shares), President And Chief Executive Sharat Sharan (3.62Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Lake Lp Lynrock 8,293,974 13 Jun, 2025
Equity Aggregator Llc Canaan 4,509,298 04 Aug, 2021
Sharat Sharan President And Chief Executive 3,622,559 05 Jan, 2026
Sachs Group Inc Goldman 3,326,778 16 Mar, 2022
Jayesh Sahasi Ev President And Product And Cto 672,527 02 Jan, 2026
James Blackie Chief Revenue Officer 478,861 02 Jan, 2026
Steven Vattuone Chief Financial Officer 452,654 02 Jan, 2026
Dominique Trempont 276,389 12 Aug, 2025
Denise Persson 264,586 13 Jun, 2022
Anil Arora 157,903 24 Jun, 2025
Barry Zwarenstein 154,586 24 Jun, 2025
Teresa Anania 141,095 24 Jun, 2025
Cynthia Paul 141,095 24 Jun, 2025
Ronald Paul Mitchell 141,095 24 Jun, 2025
Anthony Zingale 137,265 24 Jun, 2025
Irwin Federman 78,435 25 Jun, 2024
Management Group Vii L L C Presidio 45,505 19 Aug, 2021

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
31 Dec, 2025 Sharat Sharan Common Stock D 50,332 $7.97 3,622,559 D S
30 Dec, 2025 Steven Vattuone Common Stock D 80,000 $7.98 452,654 D S
30 Dec, 2025 Jayesh Sahasi Common Stock D 34,753 $7.98 672,527 D S
30 Dec, 2025 James Blackie Common Stock A 16,000 $0.99 494,861 D M
30 Dec, 2025 James Blackie Common Stock D 16,000 $7.96 478,861 D S
22 Dec, 2025 Sharat Sharan Common Stock A 50,000 $1.70 3,672,891 D M
17 Dec, 2025 Sharat Sharan Common Stock D 19,119 $5.82 3,622,891 D S
17 Dec, 2025 Sharat Sharan Common Stock A 28,863 $1.70 3,642,010 D M
09 Dec, 2025 Steven Vattuone Common Stock D 7,010 $6.04 532,654 D S
03 Dec, 2025 Steven Vattuone Common Stock D 9,453 $5.83 539,664 D S
02 Dec, 2025 Steven Vattuone Common Stock D 12,754 $5.66 549,117 D S
02 Dec, 2025 Jayesh Sahasi Common Stock D 11,681 $5.66 707,280 D S
02 Dec, 2025 James Blackie Common Stock D 10,951 $5.66 478,861 D S
01 Dec, 2025 Steven Vattuone Common Stock D 13,510 $5.70 561,871 D S
01 Dec, 2025 Jayesh Sahasi Common Stock D 12,372 $5.70 718,961 D S
01 Dec, 2025 James Blackie Common Stock D 11,599 $5.70 489,812 D S
24 Nov, 2025 Steven Vattuone Common Stock D 3,821 $5.28 575,381 D S
24 Nov, 2025 Sharat Sharan Common Stock A 53,459 $0.89 3,645,358 D M
24 Nov, 2025 Sharat Sharan Common Stock D 32,211 $5.30 3,613,147 D S
20 Nov, 2025 Steven Vattuone Common Stock D 4,392 $5.30 579,202 D S