Stock chart
Ticker: SEM Exchange: NYS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

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 Value Details
2025-04-29 2025-04-28 PS Planned sale

CHERNOW DAVID S

CEO

Executive Director
1,000 -23.9%
18.00
USD 4,050,000
1,000 -23.9% 18.00 USD 100,000
2024-12-06 2024-12-04 S Sale

Breighner Robert G. JR

VICE PRESIDENT, COMPLIANCE

Officer
4,989 -14.1%
19.95
USD 99,531
4,989 -14.1% 19.95 USD 99,531
2024-11-29 2024-11-26 S Sale

TAVENNER MARILYN B

Non-Executive Director
32,000 -59.3%
21.09
USD 674,880
32,000 -59.3% 21.09 USD 674,880
2024-11-29 2024-11-26 S Sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
3,804,805 -100.0%
19.55
USD 74,383,938
3,804,805 -100.0% 19.55 USD 74,383,938
2024-04-10 2024-04-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
29.90
USD 1,495,000
50,000 -0.7% 29.90 USD 1,495,000
2024-03-11 2024-03-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
28.30
USD 1,415,000
50,000 -0.7% 28.30 USD 1,415,000
2024-02-09 2024-02-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
26.00
USD 1,300,000
50,000 -0.7% 26.00 USD 1,300,000
2024-01-09 2024-01-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
100,000 -1.4%
26.63
USD 2,663,000
100,000 -1.4% 26.63 USD 2,663,000
2023-12-14 2023-12-14 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
100,000 -1.4%
25.00
USD 2,500,000
100,000 -1.4% 25.00 USD 2,500,000
2023-09-11 2023-09-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
26.82
USD 1,341,000
50,000 -0.7% 26.82 USD 1,341,000
2023-08-09 2023-08-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
29.52
USD 1,476,000
50,000 -0.7% 29.52 USD 1,476,000
2023-07-11 2023-07-10 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
30.36
USD 1,518,000
50,000 -0.7% 30.36 USD 1,518,000
2023-06-22 2023-06-21 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
33,967 -2.4%
30.00
USD 1,019,010
33,967 -2.4% 30.00 USD 1,019,010
2023-06-09 2023-06-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
28.63
USD 1,431,500
50,000 -0.7% 28.63 USD 1,431,500
2023-05-09 2023-05-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
116,033 -7.6%
29.80
USD 3,457,783
116,033 -7.6% 29.80 USD 3,457,783
2023-05-09 2023-05-08 PS Planned sale

ORTENZIO ROBERT A

EXECUTIVE CHAIRMAN

Executive Director
50,000 -0.7%
29.68
USD 1,484,000
50,000 -0.7% 29.68 USD 1,484,000
2023-05-09 2023-05-08 S Sale

Breighner Robert G. JR

VICE PRESIDENT, COMPLIANCE

Officer
10,044 -23.3%
29.45
USD 295,796
10,044 -23.3% 29.45 USD 295,796
2023-02-28 2023-02-27 PS Planned sale

CHERNOW DAVID S

PRESIDENT AND CEO

Officer
139,550 -14.3%
27.30
USD 3,809,715
139,550 -14.3% 27.30 USD 3,809,715
2021-06-17 2021-06-16 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
100,000 -8.8%
42.61
USD 4,261,000
100,000 -8.8% 42.61 USD 4,261,000
2021-06-16 2021-06-15 S Sale

CRESSEY BRYAN C

Non-Executive Director
10,000 -12.5%
42.38
USD 423,800
10,000 -12.5% 42.38 USD 423,800
2021-06-01 2021-05-28 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
50,000 -4.2%
40.07
USD 2,003,500
50,000 -4.2% 40.07 USD 2,003,500
2021-05-28 2021-05-27 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
100,000 -7.8%
40.19
USD 4,019,000
100,000 -7.8% 40.19 USD 4,019,000
2021-05-28 2021-05-26 S Sale

CRESSEY BRYAN C

Non-Executive Director
10,000 -11.1%
40.11
USD 401,100
10,000 -11.1% 40.11 USD 401,100
2021-05-28 2021-05-26 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
100,000 -7.2%
40.15
USD 4,015,000
100,000 -7.2% 40.15 USD 4,015,000
2021-05-26 2021-05-24 S Sale

CRESSEY BRYAN C

Non-Executive Director
10,000 -10.0%
39.90
USD 399,000
10,000 -10.0% 39.90 USD 399,000
2021-05-26 2021-05-24 S Sale

Mullin Thomas P

Executive Vice President

Officer
4,964 -4.9%
40.00
USD 198,560
4,964 -4.9% 40.00 USD 198,560
2021-05-11 2021-05-10 S Sale

Breighner Robert G. JR

Vice President, Compliance

Officer
5,040 -13.2%
37.07
USD 186,833
5,040 -13.2% 37.07 USD 186,833
2021-03-15 2021-03-15 S Sale

Ely James S. III

Non-Executive Director
5,644 -5.1%
35.02
USD 197,653
5,644 -5.1% 35.02 USD 197,653
2021-03-15 2021-03-12 S Sale

Ely James S. III

Non-Executive Director
4,656 -4.0%
35.01
USD 163,007
4,656 -4.0% 35.01 USD 163,007
2021-03-15 2021-03-11 S Sale

Ely James S. III

Non-Executive Director
9,700 -7.8%
35.02
USD 339,694
9,700 -7.8% 35.02 USD 339,694
2021-03-12 2021-03-10 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
9,985 -0.6%
34.02
USD 339,690
9,985 -0.6% 34.02 USD 339,690
2021-03-12 2021-03-10 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
14,978 -0.3%
34.02
USD 509,552
14,978 -0.3% 34.02 USD 509,552
2021-03-12 2021-03-10 S Sale

ROMBERGER SCOTT A

Senior Vice President

Officer
7,880 -5.4%
35.46
USD 279,425
7,880 -5.4% 35.46 USD 279,425
2021-03-11 2021-03-09 S Sale

TAVENNER MARILYN B

Non-Executive Director
2,000 -6.7%
33.82
USD 67,640
2,000 -6.7% 33.82 USD 67,640
2021-03-10 2021-03-09 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
48,422 -3.1%
34.00
USD 1,646,348
48,422 -3.1% 34.00 USD 1,646,348
2021-03-10 2021-03-09 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
72,631 -1.4%
34.00
USD 2,469,454
72,631 -1.4% 34.00 USD 2,469,454
2021-03-10 2021-03-08 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
50,995 -3.1%
34.00
USD 1,733,830
50,995 -3.1% 34.00 USD 1,733,830
2021-03-10 2021-03-08 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
76,493 -1.5%
34.00
USD 2,600,762
76,493 -1.5% 34.00 USD 2,600,762
2021-03-04 2021-03-03 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
10,598 -0.6%
34.00
USD 360,332
10,598 -0.6% 34.00 USD 360,332
2021-03-04 2021-03-03 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
15,898 -0.3%
34.00
USD 540,532
15,898 -0.3% 34.00 USD 540,532
2021-03-01 2021-03-01 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
50,625 -3.0%
32.52
USD 1,646,325
50,625 -3.0% 32.52 USD 1,646,325
2021-03-01 2021-03-01 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
75,938 -1.5%
32.52
USD 2,469,504
75,938 -1.5% 32.52 USD 2,469,504
2021-03-01 2021-02-26 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
69,375 -3.9%
32.50
USD 2,254,688
69,375 -3.9% 32.50 USD 2,254,688
2021-03-01 2021-02-26 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
104,062 -1.9%
32.50
USD 3,382,015
104,062 -1.9% 32.50 USD 3,382,015
2021-01-08 2021-01-08 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
108,627 -5.8%
31.02
USD 3,369,610
108,627 -5.8% 31.02 USD 3,369,610
2021-01-08 2021-01-08 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
162,941 -3.0%
31.02
USD 5,054,430
162,941 -3.0% 31.02 USD 5,054,430
2021-01-08 2021-01-07 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
4,004 -0.2%
31.00
USD 124,124
4,004 -0.2% 31.00 USD 124,124
2021-01-08 2021-01-07 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
6,006 -0.1%
31.00
USD 186,186
6,006 -0.1% 31.00 USD 186,186
2021-01-06 2021-01-06 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
87,369 -4.4%
29.86
USD 2,608,838
87,369 -4.4% 29.86 USD 2,608,838
2021-01-06 2021-01-06 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
131,053 -2.3%
29.86
USD 3,913,243
131,053 -2.3% 29.86 USD 3,913,243
2021-01-06 2021-01-05 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
56,000 -2.8%
28.05
USD 1,570,800
56,000 -2.8% 28.05 USD 1,570,800
2021-01-06 2021-01-05 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
84,000 -1.5%
28.05
USD 2,356,200
84,000 -1.5% 28.05 USD 2,356,200
2020-11-10 2020-11-10 S Sale

ROMBERGER SCOTT A

Senior Vice President

Officer
10,000 -6.3%
25.14
USD 251,400
10,000 -6.3% 25.14 USD 251,400
2020-11-10 2020-11-09 PS Planned sale

CHERNOW DAVID S

President and CEO

Officer
111,640 -11.2%
25.00
USD 2,791,000
111,640 -11.2% 25.00 USD 2,791,000
2020-11-04 2020-11-02 S Sale

Breighner Robert G. JR

Vice President, Compliance

Officer
5,035 -13.2%
21.76
USD 109,562
5,035 -13.2% 21.76 USD 109,562
2020-08-12 2020-08-11 S Sale

ROMBERGER SCOTT A

Senior Vice President

Officer
10,000 -6.6%
21.06
USD 210,600
10,000 -6.6% 21.06 USD 210,600
2020-08-11 2020-08-10 PS Planned sale

TARVIN MICHAEL E

Executive Vice President

Officer
55,000 -13.3%
21.00
USD 1,155,000
55,000 -13.3% 21.00 USD 1,155,000
2020-06-05 2020-06-04 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
50,255 -3.1%
17.11
USD 859,863
50,255 -3.1% 17.11 USD 859,863
2020-06-05 2020-06-03 S Sale

JACKSON MARTIN F

Executive Vice President

Officer
49,745 -3.0%
17.08
USD 849,645
49,745 -3.0% 17.08 USD 849,645
2020-02-26 2020-02-24 S Sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
11,459 -0.2%
28.17
USD 322,800
11,459 -0.2% 28.17 USD 322,800
2019-12-03 2019-12-02 S Sale

SWERGOLD LEOPOLD

Non-Executive Director
25,000 -11.2%
22.11
USD 552,750
25,000 -11.2% 22.11 USD 552,750
2019-12-03 2019-11-29 S Sale

SWERGOLD LEOPOLD

Non-Executive Director
25,000 -10.1%
22.18
USD 554,500
25,000 -10.1% 22.18 USD 554,500
2019-11-19 2019-11-18 PS Planned sale

TARVIN MICHAEL E

Executive Vice President

Officer
55,000 -13.4%
21.03
USD 1,156,650
55,000 -13.4% 21.03 USD 1,156,650
2019-11-15 2019-11-15 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
189,638 -2.9%
20.01
USD 3,794,656
189,638 -2.9% 20.01 USD 3,794,656
2019-11-15 2019-11-14 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
13,507 -0.2%
20.00
USD 270,140
13,507 -0.2% 20.00 USD 270,140
2019-11-13 2019-11-12 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
66,679 -1.0%
20.00
USD 1,333,580
66,679 -1.0% 20.00 USD 1,333,580
2019-11-13 2019-11-11 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
18,356 -0.3%
20.00
USD 367,120
18,356 -0.3% 20.00 USD 367,120
2019-11-08 2019-11-08 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
3,136 -0.0%
20.00
USD 62,720
3,136 -0.0% 20.00 USD 62,720
2019-11-08 2019-11-07 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
7,171 -0.1%
20.01
USD 143,492
7,171 -0.1% 20.01 USD 143,492
2019-11-08 2019-11-06 PS Planned sale

ORTENZIO ROBERT A

Exec. Chairman and Co-Founder

Executive Director
78,072 -1.2%
20.00
USD 1,561,440
78,072 -1.2% 20.00 USD 1,561,440
2019-11-06 2019-11-05 S Sale

ROMBERGER SCOTT A

Senior Vice President

Officer
10,000 -6.1%
19.73
USD 197,300
10,000 -6.1% 19.73 USD 197,300
2019-11-01 2019-11-01 PS Planned sale

CHERNOW DAVID S

President and CEO

6,003 -0.7%
19.71
USD 118,319
6,003 -0.7% 19.71 USD 118,319
2019-11-01 2019-11-01 PS Planned sale

CHERNOW DAVID S

President and CEO

26,443 -3.0%
19.17
USD 506,912
26,443 -3.0% 19.17 USD 506,912
2019-10-31 2019-10-31 PS Planned sale

CHERNOW DAVID S

President and CEO

74,774 -7.7%
18.09
USD 1,352,662
74,774 -7.7% 18.09 USD 1,352,662
2019-10-31 2019-10-30 PS Planned sale

CHERNOW DAVID S

President and CEO

1,400 -0.1%
18.00
USD 25,200
1,400 -0.1% 18.00 USD 25,200
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