List of insiders holdings for FORRESTER RESEARCH INC.: 
 - Shares directly owned by the insider.
 - Shares indirectly owned by the insider.
 - Total shares owned by the insider (sum of shares directly and indirectly owned).
 - Total market value if available.
 - Shares are not adjusted for stock split.
 
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
 - Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time  | Shares Owned Directly Indirectly  | Total Shares Owned  | Filing | 
| 1 | COLONY GEORGE F Chairman and CEO 10% Owner  | 2025-07-01 17:21:11 | 7,380,411 0  | 7,380,411 | Form 13G | 
| 2 | Swan Nathaniel Chief Sales Officer  | 2025-04-03 09:20:08 | 127,667 0  | 127,667 | Form 4 | 
| 3 | Chang Charles President, Forrester Asia  | 2004-09-22 13:52:00 | 75,000 0  | 75,000 | Form 3 | 
| 4 | DOYLE MICHAEL A Chief Financial Officer  | 2020-12-16 13:51:22 | 73,729 0  | 73,729 | Form 4 | 
| 5 | MAHONEY DANIEL Chief Research Officer  | 2006-12-18 11:15:17 | 66,150 0  | 66,150 | Form 4 | 
| 6 | BRADFORD NEIL Director  | 2025-09-02 15:50:37 | 38,195 0  | 38,195 | Form 4 | 
| 7 | Friscia Anthony J Director  | 2025-06-03 14:46:44 | 33,938 0  | 33,938 | Form 4 | 
| 8 | Meringer Julie H Managing Director, IT Director  | 2010-12-07 14:37:08 | 33,696 0  | 33,696 | Form 4 | 
| 9 | Brothers Mack Chief Product Officer  | 2019-08-05 09:29:33 | 31,350 0  | 31,350 | Form 4 | 
| 10 | Broeders Henk Director  | 2017-09-05 17:16:51 | 28,619 0  | 28,619 | Form 4 | 
| 11 | Hippler Kelley Chief Sales Officer  | 2022-08-12 17:17:31 | 28,346 0  | 28,346 | Form 4 | 
| 12 | van Lingen Dennis President, EMEA  | 2015-08-04 15:36:48 | 27,757 0  | 27,757 | Form 4 | 
| 13 | Finn Leo Christian Chief Financial Officer  | 2025-10-02 11:01:24 | 27,252 0  | 27,252 | Form 4 | 
| 14 | Galford Robert Director  | 2024-06-04 11:34:55 | 27,226 0  | 27,226 | Form 4 | 
| 15 | Wassenaar Yvonne Director  | 2024-06-04 12:03:23 | 26,423 0  | 26,423 | Form 4 | 
| 16 | Johnson Carrie Chief Product Officer  | 2025-08-05 12:41:28 | 26,354 0  | 26,354 | Form 4 | 
| 17 | Condon Cliff Chief Research Officer  | 2018-09-04 16:58:05 | 24,665 0  | 24,665 | Form 4 | 
| 18 | Darrah Ryan Chief Legal Officer  | 2025-08-05 12:51:31 | 24,590 0  | 24,590 | Form 4 | 
| 19 | Quinn Lucia Luce Chief People Officer  | 2018-08-06 15:57:24 | 23,064 0  | 23,064 | Form 4 | 
| 20 | WELLES MICHAEL Director  | 2017-09-05 17:09:19 | 22,806 0  | 22,806 | Form 4 | 
| 21 | Peltzman Steven P. CBTO  | 2024-08-05 12:49:13 | 22,581 0  | 22,581 | Form 4 | 
| 22 | Milligan Victor Chief Marketing Officer  | 2019-08-05 09:42:28 | 22,329 0  | 22,329 | Form 4 | 
| 23 | Romine Warren N Director  | 2025-06-03 14:43:30 | 21,702 0  | 21,702 | Form 4 | 
| 24 | Boyce David Director  | 2024-06-04 11:08:58 | 20,362 0  | 20,362 | Form 4 | 
| 25 | RILEY TIMOTHY Chief People Officer  | 2006-08-23 14:47:10 | 19,935 0  | 19,935 | Form 4 | 
| 26 | Bennett Robert Paul Director  | 2025-06-03 14:55:29 | 19,305 0  | 19,305 | Form 4 | 
| 27 | Teichgraeber Gretchen Director  | 2023-06-02 13:28:41 | 18,717 0  | 18,717 | Form 4 | 
| 28 | Leaver Sharyn Chief Research Officer  | 2025-08-05 12:46:39 | 18,609 0  | 18,609 | Form 4 | 
| 29 | Gonsalves Jobina Chief People Officer  | 2025-06-02 11:18:03 | 18,228 0  | 18,228 | Form 4 | 
| 30 | Kasparian Michael Chief Information Officer  | 2024-06-03 13:41:46 | 17,169 0  | 17,169 | Form 4 | 
| 31 | Rutstein Charles Chief Operating Officer  | 2012-09-13 15:42:45 | 17,149 0  | 17,149 | Form 4/A | 
| 32 | Kottmann Sherri Chief People Officer  | 2021-08-04 11:01:57 | 17,071 0  | 17,071 | Form 4 | 
| 33 | Daley Ellen Managing Director, Tech. Ind. Director  | 2013-06-04 16:15:32 | 16,667 0  | 16,667 | Form 4 | 
| 34 | HADLEY WARREN Chief Financial Officer  | 2006-09-05 16:52:08 | 16,307 0  | 16,307 | Form 4 | 
| 35 | GREEN EMILY NAGLE Managing Director Director  | 2003-10-28 14:30:15 | 16,136 0  | 16,136 | Form 4 | 
| 36 | Macbeth Shirley Chief Marketing Officer  | 2024-08-05 12:53:50 | 15,534 0  | 15,534 | Form 4 | 
| 37 | Munchbach Cory Director  | 2025-06-03 14:49:47 | 14,737 0  | 14,737 | Form 4 | 
| 38 | Birch Jean Director  | 2022-06-03 12:12:29 | 14,538 0  | 14,538 | Form 4 | 
| 39 | Chouinard Scott Chief Accounting Officer  | 2025-08-05 13:55:47 | 11,808 1,246  | 13,054 | Form 4/A | 
| 40 | DAVIDSON ROBERT W President, Europe  | 2006-05-08 18:18:31 | 12,192 0  | 12,192 | Form 4 | 
| 41 | Facemire Michael Chief Technology Officer  | 2025-08-05 13:07:19 | 10,240 0  | 10,240 | Form 4 | 
| 42 | Nelson Gregory Chief Sales Officer  | 2012-05-16 14:23:53 | 9,334 0  | 9,334 | Form 4 | 
| 43 | Le Roy Sarah Chief People Officer  | 2023-05-02 14:30:51 | 8,406 0  | 8,406 | Form 4 | 
| 44 | Nemec Mark R Managing Director, Tech. Ind. Director  | 2011-07-06 11:37:38 | 8,000 0  | 8,000 | Form 4 | 
| 45 | Lemons Elizabeth A Chief People Officer  | 2012-05-16 14:32:38 | 8,000 0  | 8,000 | Form 4 | 
| 46 | MANN GAIL Chief Legal Officer  | 2016-12-01 15:35:26 | 6,136 0  | 6,136 | Form 4 | 
| 47 | Lee Alicia Chief Consulting Officer  | 2022-12-16 11:40:03 | 5,407 0  | 5,407 | Form 4 | 
| 48 | Morhardt Michael Chief Sales Officer  | 2017-06-08 15:37:34 | 5,176 0  | 5,176 | Form 4 | 
| 49 | Orlov George Chief Technology Officer  | 2011-05-31 15:54:20 | 3,750 0  | 3,750 | Form 4 | 
| 50 | KARDON BRIAN Chief Marketing Officer  | 2007-12-06 15:29:55 | 3,714 0  | 3,714 | Form 4 | 
| 51 | Pohlmann Thomas R. Officer  | 2014-06-05 11:14:29 | 3,301 0  | 3,301 | Form 4 | 
| 52 | MOYNIHAN TIMOTHY J General Counsel  | 2004-03-30 13:44:12 | 2,318 0  | 2,318 | Form 4 | 
| 53 | Cox Andrew Chief Marketing Officer  | 2025-08-05 13:27:32 | 2,185 0  | 2,185 | Form 4 | 
| 54 | HORNIG GEORGE Director  | 2018-05-08 17:55:07 | 761 0  | 761 | Form 4 | 
| 55 | Griesman Dwight Chief Marketing Officer  | 2012-02-16 14:17:52 | 264 0  | 264 | Form 4 | 
| 56 | BELANGER RICHARD Chief Technology Officer  | 2004-11-08 18:03:54 | 0 0  | 0 | Form 4 | 
| 57 | BOUHAFS TAHAR Managing Director Director  | 2004-11-05 10:33:17 | 0 0  | 0 | Form 4 |