United States Software & IT Services

ON24 Inc (ONTF)

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Ticker: ONTF Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Planned sale 20 Mar 2026
Value US$2,516,628.70 | Price 404.03 | Shares 26,276 (+3.1%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-24 2026-03-20 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
26,276 +3.1%
404.03
US$2,516,629 		26,276 +3.1% 404.03 US$2,516,629
2026-03-24 2026-03-20 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
89,825 +7.3%
458.46
US$2,888,486 		89,825 +7.3% 458.46 US$2,888,486
2026-03-24 2026-03-20 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
3,339 +5.7%
348.59
US$4,385,572 		3,339 +5.7% 348.59 US$4,385,572
2026-03-24 2026-03-20 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
3,429 -0.8%
8.07
US$27,657 		3,429 -0.8% 8.07 US$27,657
2026-03-20 2026-03-20 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
3,662
8.07
US$29,536 		3,662 8.07 US$29,536
2026-03-20 2026-03-20 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
3,429
8.07
US$27,657 		3,429 8.07 US$27,657
2026-03-20 2026-03-20 PrS Proposed sale
1.1
SHARAT SHARAN

Officer; Director; 10% Stockholder

Executive Director Large shareholder
17,171
8.07
US$138,494 		17,171 8.07 US$138,494
2026-03-20 2026-03-20 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
3,117
8.07
US$25,140 		3,117 8.07 US$25,140
2026-03-05 2026-03-03 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
22,013 -4.8%
8.03
US$176,819 		22,013 -4.8% 8.03 US$176,819
2026-03-03 2026-03-03 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
22,013
8.01
US$176,324 		22,013 8.01 US$176,324
2026-03-02 2026-03-02 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
21,617 -3.1%
8.01
US$173,182 		21,617 -3.1% 8.01 US$173,182
2026-03-02 2026-03-02 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
22,884 -4.8%
8.01
US$183,333 		22,884 -4.8% 8.01 US$183,333
2026-03-02 2026-03-02 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
15,679 -0.4%
8.01
US$125,611 		15,679 -0.4% 8.01 US$125,611
2026-03-02 2026-03-02 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
20,277 -4.0%
8.01
US$162,447 		20,277 -4.0% 8.01 US$162,447
2026-03-02 2026-03-02 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
21,617
8.01
US$173,182 		21,617 8.01 US$173,182
2026-03-02 2026-03-02 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
22,884
8.01
US$183,333 		22,884 8.01 US$183,333
2026-03-02 2026-03-02 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
20,277
8.01
US$162,447 		20,277 8.01 US$162,447
2026-03-02 2026-03-02 PrS Proposed sale
1.1
SHARAT SHARAN

Officer; Director; 10% Stockholder

Executive Director Large shareholder
15,679
8.01
US$125,611 		15,679 8.01 US$125,611
2026-02-12 2026-02-11 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
422 -0.1%
7.92
US$3,342 		422 -0.1% 7.92 US$3,342
2026-02-11 2026-02-11 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
422
7.93
US$3,346 		422 7.93 US$3,346
2026-02-10 2026-02-10 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
2,310 -0.1%
7.93
US$18,322 		2,310 -0.1% 7.93 US$18,322
2026-02-10 2026-02-10 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
325 -0.1%
7.93
US$2,578 		325 -0.1% 7.93 US$2,578
2026-02-10 2026-02-10 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
240 -0.1%
7.93
US$1,904 		240 -0.1% 7.93 US$1,904
2026-02-10 2026-02-10 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
250 -0.0%
7.93
US$1,983 		250 -0.0% 7.93 US$1,983
2026-02-10 2026-02-10 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
325
7.93
US$2,578 		325 7.93 US$2,578
2026-02-10 2026-02-10 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
240
7.93
US$1,904 		240 7.93 US$1,904
2026-02-10 2026-02-10 PrS Proposed sale
1.1
SHARAT SHARAN

Officer; Director; 10% Stockholder

Executive Director Large shareholder
2,310
7.93
US$18,322 		2,310 7.93 US$18,322
2026-02-10 2026-02-10 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
250
7.93
US$1,983 		250 7.93 US$1,983
2026-01-05 2025-12-31 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
50,332 -1.4%
7.97
US$401,141 		50,332 -1.4% 7.97 US$401,141
2026-01-02 2025-12-30 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
80,000 -15.0%
7.98
US$638,744 		80,000 -15.0% 7.98 US$638,744
2026-01-02 2025-12-30 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
16,000 -3.2%
7.96
US$127,360 		16,000 -3.2% 7.96 US$127,360
2026-01-02 2025-12-30 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
34,753 -4.9%
7.98
US$277,433 		34,753 -4.9% 7.98 US$277,433
2025-12-30 2025-12-30 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
34,753
5.86
US$203,653 		34,753 5.86 US$203,653
2025-12-30 2025-12-30 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
16,000
5.86
US$93,760 		16,000 5.86 US$93,760
2025-12-30 2025-12-30 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
80,000
5.86
US$468,800 		80,000 5.86 US$468,800
2025-12-18 2025-12-17 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
19,119 -0.5%
5.82
US$111,366 		19,119 -0.5% 5.82 US$111,366
2025-12-17 2025-12-17 PrS Proposed sale
1.1
SHARAT SHARAN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
19,119
5.87
US$112,229 		19,119 5.87 US$112,229
2025-12-10 2025-12-09 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
7,010 -1.3%
6.04
US$42,327 		7,010 -1.3% 6.04 US$42,327
2025-12-09 2025-12-09 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
7,010
6.06
US$42,481 		7,010 6.06 US$42,481
2025-12-03 2025-12-03 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
9,453
5.65
US$53,409 		9,453 5.65 US$53,409
2025-12-03 2025-12-03 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
9,453 -1.7%
5.83
US$55,105 		9,453 -1.7% 5.83 US$55,105
2025-12-03 2025-12-02 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
12,754 -2.3%
5.66
US$72,221 		12,754 -2.3% 5.66 US$72,221
2025-12-03 2025-12-02 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
11,681 -1.6%
5.66
US$66,145 		11,681 -1.6% 5.66 US$66,145
2025-12-03 2025-12-02 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
10,951 -2.2%
5.66
US$62,011 		10,951 -2.2% 5.66 US$62,011
2025-12-03 2025-12-01 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
13,510 -2.3%
5.70
US$76,941 		13,510 -2.3% 5.70 US$76,941
2025-12-03 2025-12-01 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
12,372 -1.7%
5.70
US$70,460 		12,372 -1.7% 5.70 US$70,460
2025-12-03 2025-12-01 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
11,599 -2.3%
5.70
US$66,057 		11,599 -2.3% 5.70 US$66,057
2025-12-01 2025-12-01 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
25,307
5.67
US$143,491 		25,307 5.67 US$143,491
2025-12-01 2025-12-01 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
26,994
5.67
US$153,056 		26,994 5.67 US$153,056
2025-12-01 2025-12-01 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
29,475
5.67
US$167,123 		29,475 5.67 US$167,123
2025-11-25 2025-11-24 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
32,211 -0.9%
5.30
US$170,825 		32,211 -0.9% 5.30 US$170,825
2025-11-24 2025-11-24 PrS Proposed sale
1.1
SHARAT SHARAN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
32,211
5.44
US$175,228 		32,211 5.44 US$175,228
2025-11-24 2025-11-24 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
3,821
5.44
US$20,786 		3,821 5.44 US$20,786
2025-11-24 2025-11-24 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
3,821 -0.7%
5.28
US$20,191 		3,821 -0.7% 5.28 US$20,191
2025-11-24 2025-11-20 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
4,099 -0.6%
5.30
US$21,716 		4,099 -0.6% 5.30 US$21,716
2025-11-24 2025-11-20 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
4,659 -0.9%
5.30
US$24,682 		4,659 -0.9% 5.30 US$24,682
2025-11-24 2025-11-20 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
4,392 -0.8%
5.30
US$23,268 		4,392 -0.8% 5.30 US$23,268
2025-11-20 2025-11-20 PrS Proposed sale
2.8
JAYESH SAHASI

Officer

Officer
4,099
5.30
US$21,716 		4,099 5.30 US$21,716
2025-11-20 2025-11-20 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
4,392
5.30
US$23,268 		4,392 5.30 US$23,268
2025-11-20 2025-11-20 PrS Proposed sale
3.4
JAMES BLACKIE

Officer

Officer
4,659
5.30
US$24,682 		4,659 5.30 US$24,682
2025-10-20 2025-10-16 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
32,093 -0.9%
5.45
US$174,929 		32,093 -0.9% 5.45 US$174,929
2025-10-16 2025-10-16 PrS Proposed sale
1.1
SHARAT SHARAN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
32,093
5.60
US$179,721 		32,093 5.60 US$179,721
2025-10-02 2025-10-01 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
20,873 -0.6%
5.60
US$116,987 		20,873 -0.6% 5.60 US$116,987
2025-10-02 2025-09-30 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
29,457 -0.8%
5.74
US$169,012 		29,457 -0.8% 5.74 US$169,012
2025-09-17 2025-09-16 PlS Planned sale
1.1
Sharan Sharat

President and Chief Executive

Executive Director Large shareholder
32,159 -0.9%
5.55
US$178,502 		32,159 -0.9% 5.55 US$178,502
2025-09-16 2025-09-16 PrS Proposed sale
1.1
SHARAT SHARAN

Director; Officer; 10% Stockholder

Executive Director Large shareholder
32,159
5.51
US$177,196 		32,159 5.51 US$177,196
2025-09-09 2025-09-09 PrS Proposed sale
3.7
STEVEN VATTUONE

Officer

Officer
20,116
5.61
US$112,851 		20,116 5.61 US$112,851
2025-09-09 2025-09-09 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
20,116 -3.3%
5.54
US$111,495 		20,116 -3.3% 5.54 US$111,495
2025-09-09 2025-09-08 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
4,195 -0.7%
5.58
US$23,413 		4,195 -0.7% 5.58 US$23,413
2025-09-09 2025-09-08 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
3,012 -0.6%
5.58
US$16,810 		3,012 -0.6% 5.58 US$16,810
2025-09-09 2025-09-08 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
3,681 -0.5%
5.58
US$20,544 		3,681 -0.5% 5.58 US$20,544
2025-09-09 2025-09-05 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
5,251 -0.9%
5.52
US$28,962 		5,251 -0.9% 5.52 US$28,962
2025-09-09 2025-09-05 PlS Planned sale
3.4
Blackie James

Chief Revenue Officer

Officer
3,770 -0.7%
5.52
US$20,793 		3,770 -0.7% 5.52 US$20,793
2025-09-09 2025-09-05 PlS Planned sale
2.8
Sahasi Jayesh

EV President, Product and CTO

Officer
4,608 -0.6%
5.52
US$25,415 		4,608 -0.6% 5.52 US$25,415
2025-09-04 2025-09-04 PlS Planned sale
3.7
Vattuone Steven

Chief Financial Officer

Officer
6,394 -1.0%
5.52
US$35,274 		6,394 -1.0% 5.52 US$35,274
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