Stock chart
Ticker: SYNH Exchange: NSM


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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
2022-07-29 2022-07-28 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
500 -5.1%
78.00
39,000 USD
500 -5.1% 78.00 39,000 USD
2022-07-29 2022-07-28 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
1,002 -2.1%
78.00
78,156 USD
1,002 -2.1% 78.00 78,156 USD
2022-07-22 2022-07-21 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
500 -4.8%
76.00
38,000 USD
500 -4.8% 76.00 38,000 USD
2022-07-22 2022-07-21 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
1,002 -2.0%
76.00
76,152 USD
1,002 -2.0% 76.00 76,152 USD
2022-07-21 2022-07-20 PS Planned sale

Olefson Jonathan

General Counsel & Corp Secty

Officer
2,215 -8.1%
75.00
166,125 USD
2,215 -8.1% 75.00 166,125 USD
2022-07-20 2022-07-19 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
500 -4.6%
74.00
37,000 USD
500 -4.6% 74.00 37,000 USD
2022-07-20 2022-07-19 PS Planned sale

Brooks Michael Lee

Chief Operating Officer

Officer
1,002 -2.0%
74.00
74,148 USD
1,002 -2.0% 74.00 74,148 USD
2022-07-20 2022-07-18 PS Planned sale

Meggs Jason M.

Chief Financial Officer

Officer
7,500 -12.1%
72.81
546,075 USD
7,500 -12.1% 72.81 546,075 USD
2022-07-20 2022-07-18 PS Planned sale

KEEFE MICHELLE

Chief Executive Officer

Executive Director
8,333 -10.5%
72.81
606,726 USD
8,333 -10.5% 72.81 606,726 USD
2022-07-11 2022-07-08 PS Planned sale

Kralowetz Donna Hildebrand

EVP, Chief Accounting Officer

Officer
1,149 -14.4%
73.16
84,061 USD
1,149 -14.4% 73.16 84,061 USD
2022-06-02 2022-05-31 PS Planned sale

Monaghan Matthew E.

Non-Executive Director
200 -1.0%
74.35
14,870 USD
200 -1.0% 74.35 14,870 USD
2022-02-02 2022-01-31 PS Planned sale

Kralowetz Donna Hildebrand

SVP, Chief Accounting Officer

Officer
1,055 -13.6%
90.00
94,950 USD
1,055 -13.6% 90.00 94,950 USD
2022-01-03 2021-12-30 PS Planned sale

Brooks Michael Lee

See remarks

Officer
93 -1.1%
103.00
9,579 USD
93 -1.1% 103.00 9,579 USD
2021-12-23 2021-12-22 PS Planned sale

Brooks Michael Lee

See remarks

Officer
93 -1.0%
99.00
9,207 USD
93 -1.0% 99.00 9,207 USD
2021-12-21 2021-12-20 PS Planned sale

Harty Linda S

Non-Executive Director
4,122 -44.4%
97.02
399,916 USD
4,122 -44.4% 97.02 399,916 USD
2021-06-21 2021-06-18 PS Planned sale

Kralowetz Donna Hildebrand

SVP, Chief Accounting Officer

Officer
590 -8.4%
85.03
50,168 USD
590 -8.4% 85.03 50,168 USD
2021-06-09 2021-06-07 S Sale

Allen Tom

Non-Executive Director
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

Allen Tom

Non-Executive Director
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
14 -100.0%
81.20
1,137 USD
14 -100.0% 81.20 1,137 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
37 -100.0%
81.20
3,004 USD
37 -100.0% 81.20 3,004 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
313 -95.7%
81.20
25,416 USD
313 -95.7% 81.20 25,416 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
815 -95.7%
81.20
66,178 USD
815 -95.7% 81.20 66,178 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
226,128 -100.0%
81.20
18,361,594 USD
226,128 -100.0% 81.20 18,361,594 USD
2021-06-09 2021-06-07 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
4,816,880 -92.5%
81.20
391,130,656 USD
4,816,880 -92.5% 81.20 391,130,656 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
273,821 -100.0%
81.20
22,234,265 USD
273,821 -100.0% 81.20 22,234,265 USD
2021-06-09 2021-06-07 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
6,033,668 -95.7%
81.20
489,933,842 USD
6,033,668 -95.7% 81.20 489,933,842 USD
2021-06-03 2021-06-01 PS Planned sale

Macdonald Alistair

Chief Executive Officer

Executive Director
4,889 -2.4%
88.20
431,210 USD
4,889 -2.4% 88.20 431,210 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

Maldonado John L.

Non-Executive Director
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

Allen Tom

Non-Executive Director
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-14 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
448,942 -6.6%
81.04
36,382,260 USD
448,942 -6.6% 81.04 36,382,260 USD
2021-05-18 2021-05-12 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
25 -7.1%
81.04
2,026 USD
25 -7.1% 81.04 2,026 USD
2021-05-18 2021-05-12 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
64 -7.0%
81.04
5,187 USD
64 -7.0% 81.04 5,187 USD
2021-05-18 2021-05-12 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
379,789 -6.8%
81.04
30,778,101 USD
379,789 -6.8% 81.04 30,778,101 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
12 -3.3%
81.04
972 USD
12 -3.3% 81.04 972 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
30 -3.2%
81.04
2,431 USD
30 -3.2% 81.04 2,431 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
208 -36.4%
81.04
16,856 USD
208 -36.4% 81.04 16,856 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
544 -36.5%
81.04
44,086 USD
544 -36.5% 81.04 44,086 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
183,292 -3.2%
81.04
14,853,984 USD
183,292 -3.2% 81.04 14,853,984 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
3,207,596 -35.2%
81.04
259,943,580 USD
3,207,596 -35.2% 81.04 259,943,580 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
12 -3.3%
81.04
972 USD
12 -3.3% 81.04 972 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
30 -3.2%
81.04
2,431 USD
30 -3.2% 81.04 2,431 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
208 -36.4%
81.04
16,856 USD
208 -36.4% 81.04 16,856 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
544 -36.5%
81.04
44,086 USD
544 -36.5% 81.04 44,086 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
183,292 -3.2%
81.04
14,853,984 USD
183,292 -3.2% 81.04 14,853,984 USD
2021-05-10 2021-05-06 S Sale

THOMAS H. LEE ADVISORS, LLC

Non-Executive Director
3,207,596 -35.2%
81.04
259,943,580 USD
3,207,596 -35.2% 81.04 259,943,580 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-05-10 2021-05-06 S Sale

Maldonado John L.

Non-Executive Director
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

Maldonado John L.

Non-Executive Director
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
216,666 -3.1%
81.04
17,558,613 USD
216,666 -3.1% 81.04 17,558,613 USD
2021-05-10 2021-05-06 S Sale

ADVENT INTERNATIONAL CORP/MA

Major owner
3,791,652 -35.2%
81.04
307,275,478 USD
3,791,652 -35.2% 81.04 307,275,478 USD
2021-04-16 2021-04-15 PS Planned sale

Meggs Jason M.

Chief Financial Officer

Officer
6,000 -9.0%
84.00
504,000 USD
6,000 -9.0% 84.00 504,000 USD
2021-04-16 2021-04-15 PS Planned sale

KEEFE MICHELLE

Pres., Commercial Solutions

Officer
2,736 -5.9%
82.00
224,352 USD
2,736 -5.9% 82.00 224,352 USD
2021-04-12 2021-04-09 PS Planned sale

Macdonald Alistair

Chief Executive Officer

Executive Director
14,039 -6.5%
80.00
1,123,120 USD
14,039 -6.5% 80.00 1,123,120 USD
2021-04-05 2021-04-01 PS Planned sale

Macdonald Alistair

Chief Executive Officer

Executive Director
3,005 -1.4%
77.92
234,144 USD
3,005 -1.4% 77.92 234,144 USD
2021-04-05 2021-04-01 PS Planned sale

Macdonald Alistair

Chief Executive Officer

Executive Director
13,720 -5.9%
77.61
1,064,823 USD
13,720 -5.9% 77.61 1,064,823 USD