O'Brien Michael Graham — Insider Trades & Holdings | InsiderBid

O'Brien Michael Graham

Form 4 filings across 1 company. Net figures count open-market buys and sales only. EDGAR profile ↗

Lifetime net: -$20K

Positions by company

Reported holding is the most recent post-transaction share count on a Table I row.

Every company this insider has reported trading in, with the value bought and sold at each and the date they last traded.
Ticker	Company	Bought	Sold	Net	Shares held	Last trade
ZI	ZoomInfo Technologies Inc.	$0	$20K	-$20K	300,221	Sep 1

ZoomInfo Technologies Inc.

-$20K

Bought

$0

Sold

$20K

Held

300,221

Filing record

How quickly this filer reports. Section 16 allows two business days from the transaction.

All 20 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Trade history

The 142 most recent Form 4 transactions.

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Ticker	Company	Type	Shares	Price	Value	Δ Own	Filing
Sep 1	ZI	ZoomInfo Technologies Inc.	MEXER◆	214	—	—	—	Open the original filing on SEC.gov
Sep 1	ZI	ZoomInfo Technologies Inc.	MEXER◆	328	—	—	—

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1

214 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1

328 sh

ZIFTAX$1.1K

ZoomInfo Technologies Inc.Sep 1

268 sh @ $4.24 · <0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1

214 sh · +<0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1

328 sh · +0.1% own

ZISSELL◷$20K

ZoomInfo Technologies Inc.Aug 6

5,000 sh @ $4.00 · -1.6% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1

91,384 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1

29,400 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1

3,469 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1

1,541 sh

ZIFTAX$201.5K

ZoomInfo Technologies Inc.Aug 1

61,073 sh @ $3.30 · -16.7% own

ZIFTAX$2.5K

ZoomInfo Technologies Inc.Aug 1

758 sh @ $3.30 · -0.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1

91,384 sh · +33.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1

29,400 sh · +11.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1

3,469 sh · +1.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1

1,541 sh · +0.6% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

49,218 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

7,118 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

7,812 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

764 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

223 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1

1,555 sh

ZIFTAX$96K

ZoomInfo Technologies Inc.Jul 1

32,781 sh @ $2.93 · -12.0% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

49,218 sh · +21.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

7,118 sh · +3.3% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

7,812 sh · +3.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

764 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

223 sh · +0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1

1,555 sh · +0.8% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1

328 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1

214 sh

ZIFTAX$892

ZoomInfo Technologies Inc.Jun 1

268 sh @ $3.33 · -0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1

328 sh · +0.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1

214 sh · +0.1% own

ZIAGRANT◆—

ZoomInfo Technologies Inc.May 29

393,750 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.May 1

3,469 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.May 1

1,542 sh

ZIFTAX$10.7K

ZoomInfo Technologies Inc.May 1

1,706 sh @ $6.25 · -0.8% own

ZIFTAX$4.7K

ZoomInfo Technologies Inc.May 1

758 sh @ $6.25 · -0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.May 1

3,469 sh · +1.7% own

ZIMEXER—

ZoomInfo Technologies Inc.May 1

1,542 sh · +0.8% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Apr 1

28,050 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Apr 1

7,813 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Apr 1

765 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Apr 1

224 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Apr 1

1,554 sh

ZIFTAX$108K

ZoomInfo Technologies Inc.Apr 1

18,054 sh @ $5.98 · -8.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

28,050 sh · +14.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

7,813 sh · +4.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

29,400 sh · +18.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

765 sh · +0.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

224 sh · +0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Apr 1

1,554 sh · +1.0% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Mar 1

328 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Mar 1

213 sh

ZIFTAX$1.2K

ZoomInfo Technologies Inc.Mar 1

186 sh @ $6.21 · -0.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Mar 1

328 sh · +0.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Mar 1

213 sh · +0.1% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Feb 5

71,777 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Feb 5

26,378 sh

ZIFTAX$230.2K

ZoomInfo Technologies Inc.Feb 5

33,512 sh @ $6.87 · -17.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Feb 5

71,777 sh · +61.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Feb 5

26,378 sh · +29.5% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Feb 1

3,468 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Feb 1

1,542 sh

ZIFTAX$11K

ZoomInfo Technologies Inc.Feb 1

1,369 sh @ $8.05 · -1.5% own

ZIFTAX$4.9K

ZoomInfo Technologies Inc.Feb 1

609 sh @ $8.05 · -0.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Feb 1

3,468 sh · +3.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Feb 1

1,542 sh · +1.8% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Jan 1

7,812 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jan 1

764 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jan 1

223 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jan 1

1,555 sh

ZIFTAX$41.6K

ZoomInfo Technologies Inc.Jan 1

4,086 sh @ $10.17 · -4.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Jan 1

7,812 sh · +9.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Jan 1

764 sh · +0.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Jan 1

223 sh · +0.3% own

ZIMEXER—

ZoomInfo Technologies Inc.Jan 1

1,555 sh · +1.9% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Dec 1, 2025

328 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Dec 1, 2025

214 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Dec 1, 2025

507 sh

ZIFTAX$1.9K

ZoomInfo Technologies Inc.Dec 1, 2025

187 sh @ $9.92 · -0.2% own

ZIFTAX$1.7K

ZoomInfo Technologies Inc.Dec 1, 2025

174 sh @ $9.92 · -0.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Dec 1, 2025

328 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Dec 1, 2025

214 sh · +0.3% own

ZIMEXER—

ZoomInfo Technologies Inc.Dec 1, 2025

507 sh · +0.6% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Nov 1, 2025

3,469 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Nov 1, 2025

1,541 sh

ZIFTAX$13.3K

ZoomInfo Technologies Inc.Nov 1, 2025

1,185 sh @ $11.22 · -1.5% own

ZIFTAX$5.9K

ZoomInfo Technologies Inc.Nov 1, 2025

527 sh @ $11.22 · -0.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Nov 1, 2025

3,469 sh · +4.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Nov 1, 2025

1,541 sh · +2.0% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Oct 1, 2025

31,250 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Oct 1, 2025

764 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Oct 1, 2025

223 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Oct 1, 2025

1,555 sh

ZIFTAX$125.9K

ZoomInfo Technologies Inc.Oct 1, 2025

11,542 sh @ $10.91 · -13.2% own

ZIMEXER—

ZoomInfo Technologies Inc.Oct 1, 2025

31,250 sh · +55.3% own

ZIMEXER—

ZoomInfo Technologies Inc.Oct 1, 2025

764 sh · +1.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Oct 1, 2025

223 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Oct 1, 2025

1,555 sh · +2.9% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1, 2025

506 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1, 2025

327 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1, 2025

214 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Sep 1, 2025

240 sh

ZIFTAX$1.9K

ZoomInfo Technologies Inc.Sep 1, 2025

170 sh @ $10.90 · -0.3% own

ZIFTAX$2.9K

ZoomInfo Technologies Inc.Sep 1, 2025

263 sh @ $10.90 · -0.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1, 2025

506 sh · +0.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1, 2025

327 sh · +0.6% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1, 2025

214 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Sep 1, 2025

240 sh · +0.4% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1, 2025

3,469 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Aug 1, 2025

1,542 sh

ZIFTAX$12.5K

ZoomInfo Technologies Inc.Aug 1, 2025

1,156 sh @ $10.83 · -2.1% own

ZIFTAX$5.6K

ZoomInfo Technologies Inc.Aug 1, 2025

514 sh @ $10.83 · -0.9% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1, 2025

3,469 sh · +6.8% own

ZIMEXER—

ZoomInfo Technologies Inc.Aug 1, 2025

1,542 sh · +3.1% own

ZIAGRANT◆—

ZoomInfo Technologies Inc.Jul 31, 2025

276,924 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1, 2025

223 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1, 2025

765 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jul 1, 2025

1,555 sh

ZIFTAX$8.6K

ZoomInfo Technologies Inc.Jul 1, 2025

848 sh @ $10.12 · -1.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1, 2025

223 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1, 2025

765 sh · +1.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Jul 1, 2025

1,555 sh · +3.2% own

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1, 2025

507 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1, 2025

328 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1, 2025

213 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.Jun 1, 2025

240 sh

ZIFTAX$1.6K

ZoomInfo Technologies Inc.Jun 1, 2025

169 sh @ $9.55 · -0.4% own

ZIFTAX$2.5K

ZoomInfo Technologies Inc.Jun 1, 2025

261 sh @ $9.55 · -0.5% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1, 2025

507 sh · +1.1% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1, 2025

328 sh · +0.7% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1, 2025

213 sh · +0.4% own

ZIMEXER—

ZoomInfo Technologies Inc.Jun 1, 2025

240 sh · +0.5% own

ZIAGRANT◆—

ZoomInfo Technologies Inc.May 15, 2025

85,000 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.May 1, 2025

3,469 sh

ZIMEXER◆—

ZoomInfo Technologies Inc.May 1, 2025

1,542 sh

ZIFTAX$9.9K

ZoomInfo Technologies Inc.May 1, 2025

1,156 sh @ $8.56 · -2.4% own

ZIFTAX$4.4K

ZoomInfo Technologies Inc.May 1, 2025

514 sh @ $8.56 · -1.1% own

ZIMEXER—

ZoomInfo Technologies Inc.May 1, 2025

3,469 sh · +7.6% own

ZIMEXER—

ZoomInfo Technologies Inc.May 1, 2025

1,542 sh · +3.5% own