InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (19 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
19
T+90 hit rate
82%
T+90 mean return
+16.5%
Across 34 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Brown Kirk Norman, Board Member. Insider active across 1 company, notably ZoomInfo Technologies Inc.. Aggregated, 53 disclosures have been recorded. Breakdown: 0 buy · 19 sells. Total volume traded: €111.1m. History available since 20 December 2021. The latest transaction was filed on 3 March 2025 (Cession). Regulator: SEC (Form 4). All data is openly available.
Declarations53 total
700 shares@ US$12.000.0% of flowCommon StockSEC:0001104659-25-020297:0
97,159 shares@ US$60.07580.47% mcap4.8% of flowClass A Common StockSEC:0001415889-22-003945:0
20,225 shares@ US$60.02130.096% mcap1.0% of flowClass A Common StockSEC:0001415889-22-003759:0
114,511 shares@ US$60.15260.55% mcap5.6% of flowClass A Common StockSEC:0001415889-22-003375:0
31,358 shares@ US$60.00330.15% mcap1.5% of flowClass A Common StockSEC:0001415889-22-003262:0
270,468 shares@ US$50.48261.08% mcap11.0% of flowClass A Common StockSEC:0001415889-22-000995:0
270,468 shares@ US$50.48261.08% mcap25.3% of flowClass A Common StockSEC:0001415889-22-000995
42,003 shares@ US$50.02860.16% mcap1.7% of flowClass A Common StockSEC:0001415889-22-000858:0
42,003 shares@ US$50.02860.16% mcap3.8% of flowClass A Common StockSEC:0001415889-22-000858
202,326 shares@ US$50.13460.78% mcap18.4% of flowClass A Common StockSEC:0001415889-22-000693
202,326 shares@ US$50.13460.78% mcap8.0% of flowClass A Common StockSEC:0001415889-22-000693:0
17,479 shares@ US$60.66820.082% mcap0.8% of flowClass A Common StockSEC:0001415889-22-000437:0
17,479 shares@ US$60.66820.082% mcap1.9% of flowClass A Common StockSEC:0001415889-22-000437
38,836 shares@ US$64.70290.20% mcap4.6% of flowClass A Common StockSEC:0001415889-22-000256
38,836 shares@ US$64.70290.20% mcap2.0% of flowClass A Common StockSEC:0001415889-22-000256:0
209,136 shares@ US$64.96731.05% mcap24.8% of flowClass A Common StockSEC:0001415889-21-006309
209,136 shares@ US$64.96731.05% mcap10.8% of flowClass A Common StockSEC:0001415889-21-006309:0
188,644 shares@ US$60.81330.90% mcap21.1% of flowClass A Common StockSEC:0001415889-21-006190
188,644 shares@ US$60.81330.90% mcap9.2% of flowClass A Common StockSEC:0001415889-21-006190:0
11,613,141 sharesClass A Common StockSEC:0001104659-21-133281:0
7,438,247 sharesClass A Common StockSEC:0001104659-21-133280:0
7,438,247 sharesClass A Common StockSEC:0001104659-21-133280
11,613,141 sharesClass A Common StockSEC:0001104659-21-133281
494,000 sharesClass A Common StockSEC:0001415889-21-004761:0
494,000 sharesClass A Common StockSEC:0001415889-21-004761
25 of 53 declarations
About Brown Kirk Norman
Kirk Norman Brown is publicly associated with ZoomInfo Technologies Inc., a U.S.-listed company in the NASDAQ market focused on B2B data and sales intelligence. The most reliable information found in this search points primarily to his connection with the company as a significant shareholder and an insider filer, rather than to a broadly documented operating executive career. Public filings and ownership references identify Brown (Kirk Norman) as a major holder of ZoomInfo shares, and records also show insider transaction activity in 2025. ([financecharts.com](https://www.financecharts.com/stocks/GTM/profile?utm_source=openai)) As for career path, the available sources do not provide a verified, detailed chronology of previous executive roles, companies led, or signature strategic decisions. Because of that, it would be inaccurate to invent a leadership biography that is not supported by the evidence. What can be said confidently is that Brown is closely tied to ZoomInfo Technologies Inc. and has a material equity position in the company, which makes him relevant in discussions of governance, ownership alignment, and insider-trading disclosures. ([financecharts.com](https://www.financecharts.com/stocks/GTM/profile?utm_source=openai)) From a corporate governance perspective, his profile is best understood through the lens of ownership influence rather than a publicly documented operational track record. That means SEO content should emphasize his association with ZoomInfo, his significance as a shareholder, and his role in the company’s capital structure, while avoiding unsupported claims about prior roles or landmark achievements. In short, Brown appears to be an important ZoomInfo-affiliated market participant whose public footprint is centered on ownership and disclosure filings, not on a widely published executive biography. ([financecharts.com](https://www.financecharts.com/stocks/GTM/profile?utm_source=openai))
