Stock chart
Ticker: GHC Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Total value Details
2024-03-15 2024-03-14 S Sale

Weymouth Katharine

Non-Executive Director
556 -21.8%
712.99
396,422 USD
556 -21.8% 712.99 396,422 USD
2023-11-09 2023-11-09 B Purchase

GAYNER THOMAS SINNICKSON

Non-Executive Director
100 +20.0%
607.24
60,724 USD
100 +20.0% 607.24 60,724 USD
2023-11-09 2023-11-08 S Sale

Allen Tony

Non-Executive Director
75 -83.3%
619.03
46,427 USD
75 -83.3% 619.03 46,427 USD
2023-09-12 2023-09-08 B Purchase

GAYNER THOMAS SINNICKSON

Non-Executive Director
100 +25.0%
569.83
56,983 USD
100 +25.0% 569.83 56,983 USD
2023-05-09 2023-05-09 B Purchase

GAYNER THOMAS SINNICKSON

Non-Executive Director
100 +1.8%
581.63
58,163 USD
100 +1.8% 581.63 58,163 USD
2023-01-09 2023-01-09 PS Planned sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
128 -21.9%
617.68
79,063 USD
128 -21.9% 617.68 79,063 USD
2023-01-04 2023-01-04 PS Planned sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
72 -11.0%
611.06
43,996 USD
72 -11.0% 611.06 43,996 USD
2022-09-16 2022-09-16 B Purchase

GAYNER THOMAS SINNICKSON

Non-Executive Director
100 +1.9%
556.15
55,615 USD
100 +1.9% 556.15 55,615 USD
2022-02-11 2021-12-30 B Purchase

Stonesifer Sandra M.

VP, Chief HR Officer

Officer
20 +3.4%
591.99
11,840 USD
20 +3.4% 591.99 11,840 USD
2021-12-02 2021-12-01 B Purchase

Markell Jack A.

Non-Executive Director
60 +inf%
570.00
34,200 USD
60 +inf% 570.00 34,200 USD
2021-11-15 2021-11-11 B Purchase

GAYNER THOMAS SINNICKSON

Non-Executive Director
100 +1.9%
595.17
59,517 USD
100 +1.9% 595.17 59,517 USD
2021-11-05 2021-11-04 S Sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
128 -22.4%
605.07
77,449 USD
128 -22.4% 605.07 77,449 USD
2021-01-06 2021-01-06 S Sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
6 -1.0%
531.10
3,187 USD
6 -1.0% 531.10 3,187 USD
2021-01-06 2021-01-06 PS Planned sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
66 -10.3%
527.61
34,822 USD
66 -10.3% 527.61 34,822 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
100 -0.3%
495.85
49,585 USD
100 -0.3% 495.85 49,585 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,809 -4.4%
497.43
899,851 USD
1,809 -4.4% 497.43 899,851 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
375 -0.9%
496.18
186,068 USD
375 -0.9% 496.18 186,068 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
600 -1.4%
500.35
300,210 USD
600 -1.4% 500.35 300,210 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
2,648 -5.9%
499.43
1,322,491 USD
2,648 -5.9% 499.43 1,322,491 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
2,583 -5.4%
498.22
1,286,902 USD
2,583 -5.4% 498.22 1,286,902 USD
2020-12-23 2020-12-22 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
100 -0.2%
501.26
50,126 USD
100 -0.2% 501.26 50,126 USD
2020-12-14 2020-12-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
2,455 -6.2%
456.69
1,121,174 USD
2,455 -6.2% 456.69 1,121,174 USD
2020-12-14 2020-12-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
27 -0.1%
457.14
12,343 USD
27 -0.1% 457.14 12,343 USD
2020-12-14 2020-12-10 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
5,085 -12.2%
455.11
2,314,234 USD
5,085 -12.2% 455.11 2,314,234 USD
2020-12-09 2020-12-08 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
100 -0.3%
455.88
45,588 USD
100 -0.3% 455.88 45,588 USD
2020-12-09 2020-12-07 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
400 -1.1%
459.44
183,776 USD
400 -1.1% 459.44 183,776 USD
2020-12-09 2020-12-07 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,422 -3.8%
458.60
652,129 USD
1,422 -3.8% 458.60 652,129 USD
2020-12-09 2020-12-07 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,297 -3.3%
460.64
597,450 USD
1,297 -3.3% 460.64 597,450 USD
2020-12-09 2020-12-07 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,003 -2.5%
461.15
462,533 USD
1,003 -2.5% 461.15 462,533 USD
2020-12-07 2020-12-04 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1 -0.0%
467.00
467 USD
1 -0.0% 467.00 467 USD
2020-12-07 2020-12-04 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
768 -2.2%
465.03
357,143 USD
768 -2.2% 465.03 357,143 USD
2020-12-07 2020-12-04 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,685 -4.5%
466.08
785,345 USD
1,685 -4.5% 466.08 785,345 USD
2020-12-07 2020-12-03 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
104 -0.3%
451.51
46,957 USD
104 -0.3% 451.51 46,957 USD
2020-12-07 2020-12-03 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
4,056 -10.6%
450.30
1,826,417 USD
4,056 -10.6% 450.30 1,826,417 USD
2020-12-03 2020-12-02 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
3,451 -9.4%
450.38
1,554,261 USD
3,451 -9.4% 450.38 1,554,261 USD
2020-12-03 2020-12-02 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
411 -1.1%
451.00
185,361 USD
411 -1.1% 451.00 185,361 USD
2020-12-03 2020-12-01 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
974 -2.9%
451.30
439,566 USD
974 -2.9% 451.30 439,566 USD
2020-12-03 2020-12-01 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
445 -1.3%
452.79
201,492 USD
445 -1.3% 452.79 201,492 USD
2020-12-03 2020-12-01 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
390 -1.1%
453.60
176,904 USD
390 -1.1% 453.60 176,904 USD
2020-12-03 2020-12-01 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,759 -4.9%
454.07
798,709 USD
1,759 -4.9% 454.07 798,709 USD
2020-11-25 2020-11-24 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
128 -0.4%
469.30
60,070 USD
128 -0.4% 469.30 60,070 USD
2020-11-25 2020-11-24 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
326 -1.0%
468.25
152,650 USD
326 -1.0% 468.25 152,650 USD
2020-11-25 2020-11-24 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,859 -5.6%
467.48
869,045 USD
1,859 -5.6% 467.48 869,045 USD
2020-11-25 2020-11-24 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
263 -0.8%
466.37
122,655 USD
263 -0.8% 466.37 122,655 USD
2020-11-25 2020-11-24 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,822 -5.1%
465.19
847,576 USD
1,822 -5.1% 465.19 847,576 USD
2020-11-24 2020-11-20 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
5,164 -15.3%
450.13
2,324,471 USD
5,164 -15.3% 450.13 2,324,471 USD
2020-11-13 2020-11-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
2,079 -7.1%
452.06
939,833 USD
2,079 -7.1% 452.06 939,833 USD
2020-11-13 2020-11-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
144 -0.5%
454.23
65,409 USD
144 -0.5% 454.23 65,409 USD
2020-11-13 2020-11-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,025 -3.4%
455.90
467,295 USD
1,025 -3.4% 455.90 467,295 USD
2020-11-13 2020-11-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
1,652 -5.2%
456.23
753,692 USD
1,652 -5.2% 456.23 753,692 USD
2020-11-13 2020-11-11 S Sale

Rosen Andrew Stephen

Executive Vice President

Officer
100 -0.3%
457.05
45,705 USD
100 -0.3% 457.05 45,705 USD
2020-08-27 2020-08-27 B Purchase

Bollinger Lee C

Non-Executive Director
350 +43.8%
426.00
149,100 USD
350 +43.8% 426.00 149,100 USD
2020-08-26 2020-08-25 S Sale

Weymouth Katharine

Non-Executive Director
1,100 -30.1%
414.73
456,203 USD
1,100 -30.1% 414.73 456,203 USD
2020-07-06 2020-07-02 B Purchase

Bollinger Lee C

Non-Executive Director
300 +60.0%
340.00
102,000 USD
300 +60.0% 340.00 102,000 USD
2020-03-24 2020-03-23 B Purchase

Rosen Andrew Stephen

Executive Vice President

Officer
42 +0.2%
290.98
12,221 USD
42 +0.2% 290.98 12,221 USD
2020-03-24 2020-03-23 B Purchase

Rosen Andrew Stephen

Executive Vice President

Officer
1,691 +6.7%
288.43
487,735 USD
1,691 +6.7% 288.43 487,735 USD
2020-03-18 2020-03-18 B Purchase

Markell Jack A.

Non-Executive Director
55 +100.0%
315.00
17,325 USD
55 +100.0% 315.00 17,325 USD
2020-03-02 2020-02-28 B Purchase

MULCAHY ANNE M

Non-Executive Director
104 +104.0%
485.99
50,543 USD
104 +104.0% 485.99 50,543 USD
2020-07-06 2020-02-27 B Purchase

Bollinger Lee C

Non-Executive Director
500 +inf%
492.41
246,205 USD
500 +inf% 492.41 246,205 USD
2020-03-02 2020-02-27 B Purchase

MULCAHY ANNE M

Non-Executive Director
100 +inf%
494.64
49,464 USD
100 +inf% 494.64 49,464 USD
2020-02-27 2020-02-27 B Purchase

Maas, Jacob

Sr. VP-Planning and Dev.

Officer
210 +20.5%
473.01
99,332 USD
210 +20.5% 473.01 99,332 USD
2020-02-27 2020-02-27 B Purchase

Markell Jack A.

Non-Executive Director
55 +inf%
470.00
25,850 USD
55 +inf% 470.00 25,850 USD
2019-01-04 2019-01-02 S Sale

Snyman Marcel A.

VP-Chief Accounting Officer

Officer
100 -20.0%
633.07
63,307 USD
100 -20.0% 633.07 63,307 USD
2018-10-11 2018-10-09 S Sale

Weymouth Katharine

Non-Executive Director
1,100 -23.2%
579.95
637,945 USD
1,100 -23.2% 579.95 637,945 USD
2018-09-25 2018-09-21 S Sale

Weymouth Katharine

Non-Executive Director
700 -12.8%
590.28
413,196 USD
700 -12.8% 590.28 413,196 USD
2018-08-06 2018-08-03 B Purchase

GRAHAM DONALD

150 +2.8%
561.55
84,233 USD
150 +2.8% 561.55 84,233 USD
2018-08-06 2018-08-03 B Purchase

GRAHAM DONALD

25 +0.5%
559.55
13,989 USD
25 +0.5% 559.55 13,989 USD
2018-08-06 2018-08-03 B Purchase

GRAHAM DONALD

50 +0.9%
557.50
27,875 USD
50 +0.9% 557.50 27,875 USD
2018-08-06 2018-08-03 B Purchase

GRAHAM DONALD

215 +4.2%
556.75
119,701 USD
215 +4.2% 556.75 119,701 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

150 +2.8%
561.55
84,233 USD
150 +2.8% 561.55 84,233 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

25 +0.5%
559.55
13,989 USD
25 +0.5% 559.55 13,989 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

50 +0.9%
557.50
27,875 USD
50 +0.9% 557.50 27,875 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

215 +4.2%
556.75
119,701 USD
215 +4.2% 556.75 119,701 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

150 +1.4%
561.55
84,233 USD
150 +1.4% 561.55 84,233 USD
2018-08-06 2018-08-03 B Purchase

O'Shaughnessy Timothy J

President and CEO

24 +0.2%
559.66
13,432 USD
24 +0.2% 559.66 13,432 USD