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Who

Michael Graham O'Brien

CFO

Company insider

Files Form 4 as: CFO, ZoomInfo Technologies.

Every Form 4 they filed

In numbers

Trades disclosed
289
Buys
0
Sells
2
Bought
$0
Sold
$60K
Companies
1
Companies where not an officer
0
First trade
10 Sep 2024
Last trade
9 Oct 2026
Last filed
13 Oct 2026

Companies traded

Where they are an officer
GTM ZoomInfo TechnologiesOfficer · Software · last 9 Oct 20260 buys · 2 sells

Activity over time

1 Aug – 1 Oct
101 Aug1 Sep1 Oct

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
9 Oct 2026filed 13 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Sold$20K5,000 at $4.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—1,555filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—765 at $0.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—7,813 at $0.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—7,119 at $0.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—49,219 at $0.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—223filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—765filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—7,813filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—7,119filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—49,219filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code F$124K32,783 at $3.79filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—1,555 at $0.00filing
1 Oct 2026filed 5 Oct 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—223 at $0.00filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—328filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code M—214filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo TechnologiesSoftwareSEC FORM 4 Code F$1,136268 at $4.24filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—328 at $0.00filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—214 at $0.00filing
1 Sep 2026filed 3 Sep 2026GTM ZoomInfo Technologiesoption or derivative · SoftwareSEC FORM 4 Code M—328 at $0.00filing

News

ZoomInfo Technologies (NASDAQ:GTM) CFO Michael Graham O'brien Sells 5,000 Shares of Stocktickerreport.com · 14 Oct 2026Reviewing EverQuote (NASDAQ:EVER) & ZoomInfo Technologies (NASDAQ:GTM)GTM · themarketsdaily.com · 20 Oct 2026

1 headline in the last 90 days name Michael Graham O'Brien; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.

Sectors

Technology2

Buys in green, sells in red, by the company’s sector.

Related people

Henry SchuckChief Executive Officer · Chief Executive Officer at ZoomInfo Technologies, filing Form 4 there in the last year
Ashley McGraneGeneral Counsel and Corp Sec · General Counsel and Corp Sec at ZoomInfo Technologies, filing Form 4 there in the last year
James M. RothChief Revenue Officer · Chief Revenue Officer at ZoomInfo Technologies, filing Form 4 there in the last year
HSKB Funds II, LLC10% owner · 10% owner at ZoomInfo Technologies, filing Form 4 there in the last year
Domenic MaidaDirector · Director at ZoomInfo Technologies, filing Form 4 there in the last year
Donald J. TrumpPresident · Also traded GTM in the last 90 days