HORNIG GEORGE

SEC source: 0001562180-23-006663 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,384

F1 · kind: The sales reported in this Form 4 were effected for estate planning purposes.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.72 to $18.83, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within this price range.

SEC source: 0001562180-23-006358 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,384

F1 · kind: The sales reported in this Form 4 were effected for estate planning purposes.

SEC source: 0001562180-23-003089 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,384

F3 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs will vest in four equal quarterly installments with the first installment vesting on April 1, 2023, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-23-003089 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 81,892

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2024, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-22-007405 · primarydocument.xml · nonDerivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,851

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.595 to $60.44, inclusive.

SEC source: 0001562180-22-007405 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 85,338

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.595 to $59.59, inclusive.

SEC source: 0001562180-22-007405 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,309

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 30 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.75 to $58.50, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4.

SEC source: 0001562180-22-006371 · primarydocument.xml · nonDerivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,851

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 14 days prior to the trading date.

SEC source: 0001562180-22-006371 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,855

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 14 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.65 to $47.61, inclusive.

SEC source: 0001562180-22-006371 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,665

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted and amended by the reporting person at least 14 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.57 to $46.49, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001562180-22-005514 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,851

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.37 to $34.21, inclusive.

SEC source: 0001562180-22-005514 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 123,303

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 30 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.345 to $33.19, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001562180-22-004839 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 124,851

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 14 days prior to the trading date.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.875 to $33.32, inclusive.

SEC source: 0001562180-22-004839 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,723

F1 · kind: Represents shares sold in a transaction that was effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person at least 14 days prior to the trading date.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.87 to $32.82, inclusive. The reporting person undertakes to provide to Xometry, Inc., any security holder of Xometry, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4.

SEC source: 0001562180-22-002776 · primarydocument.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,851

F3 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs will vest in four equal quarterly installments with the first installment vesting on April 1, 2022, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001562180-22-002776 · primarydocument.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,298

F1 · shares: Represents a restricted stock unit ("RSU") grant. All of the shares underlying the RSUs will vest on January 1, 2023, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001209191-21-047730 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 128,569

F1 · shares: Represents a restricted stock unit ("RSU") grant. The shares underlying the RSUs vest in two equal quarterly installments with the first installment vesting on October 1, 2021 and the second installment vesting on January 1, 2022, subject to the Reporting Person's continuous service.

F2 · price: Each RSU represents a contingent right to receive one share of the Class A Common Stock of the Issuer.

SEC source: 0001209191-21-046243 · doc4.xml · derivative · entry 6

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 13,691 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

SEC source: 0001209191-21-046243 · doc4.xml · derivative · entry 5

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 14,234 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

SEC source: 0001209191-21-046243 · doc4.xml · derivative · entry 4

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 100,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

SEC source: 0001209191-21-046243 · doc4.xml · derivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Class A Common Stock · 30,000 shares

Expires 2031-03-27

F2 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · derivative.exercise_date: One quarter (1/4) of the shares shall vest on January 1, 2022, and thereafter, the remainder of the shares shall vest in 36 equal monthly installments, subject to the Reporting Person's continuous service.

SEC source: 0001209191-21-046243 · doc4.xml · derivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 30,000 shares

Expires 2031-03-27

F2 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · derivative.exercise_date: One quarter (1/4) of the shares shall vest on January 1, 2022, and thereafter, the remainder of the shares shall vest in 36 equal monthly installments, subject to the Reporting Person's continuous service.

F2 · derivative.underlying: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

SEC source: 0001209191-21-046243 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 127,925

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Series Seed-1 Preferred Stock, Series Seed-2 Preferred Stock, and Series A-1 Preferred Stock automatically converted, without payment of additional consideration, into Class A Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

SEC source: 0001209191-18-028680 · doc4.xml · derivative · entry 5

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 892 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F5 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F7 · derivative.exercise_date: On May 17, 2016, the reporting person was granted 3569 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 892 RSUs in connection with the reporting person's resignation from the Company's board of directors

F7 · derivative.expiration_date: On May 17, 2016, the reporting person was granted 3569 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 892 RSUs in connection with the reporting person's resignation from the Company's board of directors

SEC source: 0001209191-18-028680 · doc4.xml · derivative · entry 4

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 926 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F5 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F6 · derivative.exercise_date: On May 12, 2015, the reporting person was granted 3703 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 926 RSUs in connection with the reporting person's resignation from the Company's board of directors.

F6 · derivative.expiration_date: On May 12, 2015, the reporting person was granted 3703 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 926 RSUs in connection with the reporting person's resignation from the Company's board of directors.

SEC source: 0001209191-18-028680 · doc4.xml · derivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 843 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F5 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F4 · derivative.exercise_date: On May 13, 2014, the reporting person was granted 3372 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 843 RSUs in connection with the reporting person's resignation from the Company's board of directors.

F4 · derivative.expiration_date: On May 13, 2014, the reporting person was granted 3372 RSUs, vesting in four equal annual installments beginning on the first anniversary of the grant date. Effective May 7, 2018, the Compensation and Nominating Committee accelerated the vesting of 843 RSUs in connection with the reporting person's resignation from the Company's board of directors.

SEC source: 0001209191-18-028680 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,861

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001209191-18-015050 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,200

SEC source: 0001209191-17-063437 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,846

F1 · price: This transaction was executed in multiple trades at prices ranging from $46.00 to $46.50. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-17-063062 · doc4.xml · derivative · entry 4

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 12,000 shares

Expires 2021-05-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-17-063062 · doc4.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,391

F1 · price: This transaction was executed in multiple trades at prices ranging from $46.40 to $46.85. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-17-063062 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,921

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-17-051415 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,921

SEC source: 0001209191-17-037564 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,466

F1 · shares: The securities awarded on June 1, 2017 are in the form of Restricted Stock Units issued pursuant to the Forrester Research, Inc. Amended and Restated Equity Incentive Plan that entitle the reporting person, upon vesting, to receive one share of common stock per Restricted Stock Unit. The Restricted Stock Units will vest and convert into common stock in four equal and consecutive installments. The first tranche will vest on September 1, 2017, with an equal number of shares vesting on each of December 1, 2017 and March 1, 2018, and the balance of the shares vesting on June 1, 2018.

SEC source: 0001209191-17-034108 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,425

F1 · price: This transaction was executed in multiple trades at prices ranging from $37.15 to $37.60. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected

SEC source: 0001209191-17-033780 · doc4.xml · derivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,676

Underlying: common stock · 893 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F3 · derivative.exercise_date: On May 17, 2016, the reporting person was granted 3569 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: On May 17, 2016, the reporting person was granted 3569 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

SEC source: 0001209191-17-033780 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,008

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001209191-17-032387 · doc4.xml · derivative · entry 6

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 869 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F6 · derivative.exercise_date: On May 14, 2013, the reporting person was granted 3478 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

F6 · derivative.expiration_date: On May 14, 2013, the reporting person was granted 3478 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

SEC source: 0001209191-17-032387 · doc4.xml · nonDerivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,115

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001209191-17-032387 · doc4.xml · derivative · entry 5

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 843

Underlying: common stock · 843 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F5 · derivative.exercise_date: On May 13, 2014, the reporting person was granted 3374 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

F5 · derivative.expiration_date: On May 13, 2014, the reporting person was granted 3374 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

SEC source: 0001209191-17-032387 · doc4.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,246

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001209191-17-032387 · doc4.xml · derivative · entry 4

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,851

Underlying: common stock · 926 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Each Restricted Stock Unit represents the right to receive, following vesting, one share of Forrester Research, Inc. common stock.

F4 · price: Each Restricted Stock Unit is the equivalent of one share of Forrester Research, Inc. common stock.

F3 · derivative.exercise_date: On May 12, 2015, the reporting person was granted 3703 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

F3 · derivative.expiration_date: On May 12, 2015, the reporting person was granted 3703 Restricted Stock Units that vest and convert into common stock in four equal and consecutive installments beginning on the first anniversary of the grant date.

SEC source: 0001209191-17-032387 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,403

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Represents the conversion, upon vesting, of restricted stock units into common stock.

SEC source: 0001209191-17-031457 · doc4.xml · derivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: common stock · 12,000 shares

Expires 2020-05-09

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-17-031457 · doc4.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,477

F1 · price: This transaction was executed in multiple trades at prices ranging from $39.60 to $39.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-17-031457 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,765

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-18-028680 · doc4.xml · nonDerivative · entry 2

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 761

F2 · price: This transaction was executed in multiple trades at prices ranging from $42.00 to $43.40. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-16-147852 · doc4.xml · nonDerivative · entry 1

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,765

F1 · price: This transaction was executed in multiple trades at prices ranging from $36.95 to $37.15. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected

SEC source: 0001209191-17-063062 · doc4.xml · derivative · entry 3

HORNIG GEORGE · CIK 0001275810 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

Underlying: common stock · 12,000 shares

Expires 2021-05-09