Stock chart
Ticker: SUMR Exchange: NAS


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Purchase Sale Planned purchase Planned sale Net purchase Net sale
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
June 24, 2021 June 16, 2021 S Sale

TRAIN ANDREW MICHAEL

Non-Executive Director
3,000 -28.8%
13.00
39,000 USD
3,000 -28.8% 13.00 39,000 USD
May 27, 2021 May 25, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
2,822 +0.5%
11.08
31,275 USD
2,822 +0.5% 11.08 31,275 USD
May 27, 2021 May 25, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
1,291 +0.5%
11.08
14,308 USD
1,291 +0.5% 11.08 14,308 USD
May 25, 2021 May 24, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
7,059 +1.3%
11.14
78,639 USD
7,059 +1.3% 11.14 78,639 USD
May 25, 2021 May 24, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
3,227 +1.4%
11.14
35,949 USD
3,227 +1.4% 11.14 35,949 USD
May 25, 2021 May 21, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
3,448 +0.6%
11.56
39,844 USD
3,448 +0.6% 11.56 39,844 USD
May 25, 2021 May 21, 2021 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
1,552 +0.7%
11.56
17,935 USD
1,552 +0.7% 11.56 17,935 USD
Dec. 7, 2020 Dec. 3, 2020 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
4,117 +0.8%
16.29
67,054 USD
4,117 +0.8% 16.29 67,054 USD
Dec. 7, 2020 Dec. 3, 2020 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
1,883 +0.8%
16.29
30,669 USD
1,883 +0.8% 16.29 30,669 USD
Aug. 21, 2019 Aug. 20, 2019 B Purchase

D An Evelyn

Non-Executive Director
4,900 +14.6%
0.51
2,499 USD
4,900 +14.6% 0.51 2,499 USD
Aug. 15, 2019 Aug. 14, 2019 B Purchase

MUSTACCHI ALAN

Non-Executive Director
7,500 +8.9%
0.48
3,585 USD
7,500 +8.9% 0.48 3,585 USD
Aug. 15, 2019 Aug. 14, 2019 B Purchase

Francese Paul

SVP & Chief Financial Officer

Officer
3,620 +9.3%
0.45
1,629 USD
3,620 +9.3% 0.45 1,629 USD
Aug. 15, 2019 Aug. 13, 2019 B Purchase

Francese Paul

SVP & Chief Financial Officer

Officer
1,380 +3.7%
0.42
580 USD
1,380 +3.7% 0.42 580 USD
Aug. 14, 2019 Aug. 12, 2019 B Purchase

MESSNER MARK

President & CEO

Executive Director
12,100 +6.2%
0.43
5,203 USD
12,100 +6.2% 0.43 5,203 USD
June 14, 2019 June 13, 2019 B Purchase

MESSNER MARK

President & CEO

Executive Director
500 +0.3%
0.51
255 USD
500 +0.3% 0.51 255 USD
June 13, 2019 June 12, 2019 B Purchase

MESSNER MARK

President & CEO

Executive Director
3,500 +1.8%
0.50
1,749 USD
3,500 +1.8% 0.50 1,749 USD
March 18, 2019 March 15, 2019 B Purchase

D An Evelyn

799 +3.2%
0.74
591 USD
799 +3.2% 0.74 591 USD
March 15, 2019 March 14, 2019 B Purchase

MESSNER MARK

President & CEO

Executive Director
3,100 +1.8%
0.77
2,387 USD
3,100 +1.8% 0.77 2,387 USD
March 15, 2019 March 14, 2019 B Purchase

Francese Paul

SVP & Chief Financial Officer

Officer
2,500 +10.0%
0.77
1,925 USD
2,500 +10.0% 0.77 1,925 USD
March 8, 2019 March 7, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
1,955 +0.0%
0.76
1,486 USD
1,955 +0.0% 0.76 1,486 USD
March 8, 2019 March 7, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
930 +0.0%
0.76
707 USD
930 +0.0% 0.76 707 USD
March 8, 2019 March 6, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
18,373 +0.4%
0.74
13,679 USD
18,373 +0.4% 0.74 13,679 USD
March 8, 2019 March 6, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
8,742 +0.4%
0.74
6,508 USD
8,742 +0.4% 0.74 6,508 USD
March 4, 2019 Feb. 28, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
12,398 +0.3%
0.80
9,918 USD
12,398 +0.3% 0.80 9,918 USD
March 4, 2019 Feb. 28, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
5,899 +0.3%
0.80
4,719 USD
5,899 +0.3% 0.80 4,719 USD
Feb. 28, 2019 Feb. 27, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
7,973 +0.2%
0.81
6,458 USD
7,973 +0.2% 0.81 6,458 USD
Feb. 28, 2019 Feb. 27, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
3,730 +0.2%
0.81
3,021 USD
3,730 +0.2% 0.81 3,021 USD
Feb. 28, 2019 Feb. 26, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
13,626 +0.3%
0.81
11,063 USD
13,626 +0.3% 0.81 11,063 USD
Feb. 28, 2019 Feb. 26, 2019 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
6,374 +0.3%
0.81
5,175 USD
6,374 +0.3% 0.81 5,175 USD
Feb. 26, 2019 Feb. 25, 2019 B Purchase

TRAIN ANDREW MICHAEL

Non-Executive Director
3,144 +11.4%
0.79
2,474 USD
3,144 +11.4% 0.79 2,474 USD
Feb. 26, 2019 Feb. 25, 2019 B Purchase

MUSTACCHI ALAN

Non-Executive Director
10,000 +14.9%
0.83
8,270 USD
10,000 +14.9% 0.83 8,270 USD
Dec. 18, 2018 Dec. 14, 2018 B Purchase

TRAIN ANDREW MICHAEL

Non-Executive Director
2,500 +10.0%
0.92
2,289 USD
2,500 +10.0% 0.92 2,289 USD
Dec. 17, 2018 Dec. 14, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
29,754 +0.6%
0.94
27,957 USD
29,754 +0.6% 0.94 27,957 USD
Dec. 6, 2018 Dec. 6, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
5,000 +0.1%
1.00
5,000 USD
5,000 +0.1% 1.00 5,000 USD
Dec. 6, 2018 Dec. 4, 2018 B Purchase

MUSTACCHI ALAN

Non-Executive Director
10,000 +17.5%
1.00
10,000 USD
10,000 +17.5% 1.00 10,000 USD
Dec. 6, 2018 Dec. 4, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
400 +0.0%
0.95
380 USD
400 +0.0% 0.95 380 USD
Dec. 4, 2018 Dec. 3, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
23,800 +0.5%
1.00
23,786 USD
23,800 +0.5% 1.00 23,786 USD
Dec. 3, 2018 Dec. 3, 2018 B Purchase

Francese Paul

SVP, Chief Financial Officer

Officer
4,951 +24.7%
1.00
4,951 USD
4,951 +24.7% 1.00 4,951 USD
Dec. 4, 2018 Nov. 30, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
6,200 +0.1%
1.04
6,440 USD
6,200 +0.1% 1.04 6,440 USD
Dec. 3, 2018 Nov. 30, 2018 B Purchase

Francese Paul

SVP, Chief Financial Officer

Officer
49 +0.2%
1.00
49 USD
49 +0.2% 1.00 49 USD
Dec. 3, 2018 Nov. 30, 2018 B Purchase

MESSNER MARK

President & C.E.O

Executive Director
1,400 +0.8%
1.04
1,456 USD
1,400 +0.8% 1.04 1,456 USD
Dec. 3, 2018 Nov. 29, 2018 B Purchase

MESSNER MARK

President & C.E.O

Executive Director
8,500 +5.4%
1.01
8,585 USD
8,500 +5.4% 1.01 8,585 USD
Sept. 11, 2018 Sept. 10, 2018 B Purchase

MESSNER MARK

President and C.E.O.

Executive Director
5,500 +3.6%
1.73
9,515 USD
5,500 +3.6% 1.73 9,515 USD
Sept. 11, 2018 Sept. 10, 2018 S Sale

MOTE WILLIAM E JR

Chief Financial Officer

Officer
13,200 -26.1%
1.63
21,554 USD
13,200 -26.1% 1.63 21,554 USD
Sept. 11, 2018 Sept. 7, 2018 B Purchase

D An Evelyn

Non-Executive Director
2,850 +12.7%
1.75
4,988 USD
2,850 +12.7% 1.75 4,988 USD
Sept. 10, 2018 Sept. 7, 2018 S Sale

MOTE WILLIAM E JR

Chief Financial Officer

Officer
7,800 -13.4%
1.79
13,985 USD
7,800 -13.4% 1.79 13,985 USD
June 13, 2018 June 12, 2018 B Purchase

TRAIN ANDREW MICHAEL

10,000 +66.7%
1.34
13,400 USD
10,000 +66.7% 1.34 13,400 USD
June 1, 2018 May 31, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
20,355 +0.4%
1.22
24,807 USD
20,355 +0.4% 1.22 24,807 USD
June 1, 2018 May 31, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
9,645 +0.5%
1.22
11,754 USD
9,645 +0.5% 1.22 11,754 USD
May 25, 2018 May 24, 2018 B Purchase

ZELKOWICZ STEPHEN

Non-Executive Director
12,000 +22.4%
0.90
10,759 USD
12,000 +22.4% 0.90 10,759 USD
May 17, 2018 May 16, 2018 B Purchase

MUSTACCHI ALAN

Non-Executive Director
10,000 +21.3%
0.95
9,505 USD
10,000 +21.3% 0.95 9,505 USD
May 11, 2018 May 10, 2018 B Purchase

MESSNER MARK

President and C.E.O.

Executive Director
5,150 +3.5%
0.93
4,770 USD
5,150 +3.5% 0.93 4,770 USD
May 9, 2018 May 7, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
162,231 +3.6%
0.80
129,785 USD
162,231 +3.6% 0.80 129,785 USD
May 9, 2018 May 7, 2018 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
76,133 +3.9%
0.80
60,906 USD
76,133 +3.9% 0.80 60,906 USD
May 8, 2018 May 7, 2018 B Purchase

MESSNER MARK

President & CEO

Executive Director
5,850 +4.1%
0.83
4,846 USD
5,850 +4.1% 0.83 4,846 USD
March 7, 2018 March 6, 2018 B Purchase

MESSNER MARK

President & CEO

Executive Director
16,500 +15.7%
1.35
22,275 USD
16,500 +15.7% 1.35 22,275 USD
Aug. 9, 2017 Aug. 7, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
10,168 +0.2%
1.86
18,912 USD
10,168 +0.2% 1.86 18,912 USD
Aug. 9, 2017 Aug. 7, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
4,832 +0.2%
1.86
8,988 USD
4,832 +0.2% 1.86 8,988 USD
June 16, 2017 June 8, 2017 B Purchase

MUSTACCHI ALAN

9,543 +31.8%
1.99
18,991 USD
9,543 +31.8% 1.99 18,991 USD
May 30, 2017 May 25, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
126,651 +2.9%
1.78
225,439 USD
126,651 +2.9% 1.78 225,439 USD
May 30, 2017 May 25, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
58,349 +3.1%
1.78
103,861 USD
58,349 +3.1% 1.78 103,861 USD
May 25, 2017 May 23, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
291,485 +7.2%
1.75
510,099 USD
291,485 +7.2% 1.75 510,099 USD
May 25, 2017 May 23, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
134,289 +7.7%
1.75
235,006 USD
134,289 +7.7% 1.75 235,006 USD
May 15, 2017 May 12, 2017 B Purchase

ZELKOWICZ STEPHEN

Non-Executive Director
5,500 +16.6%
1.69
9,290 USD
5,500 +16.6% 1.69 9,290 USD
May 16, 2017 May 11, 2017 B Purchase

Fogelman Martin

Non-Executive Director
18,000 +19.8%
1.75
31,464 USD
18,000 +19.8% 1.75 31,464 USD
May 15, 2017 May 11, 2017 B Purchase

ZELKOWICZ STEPHEN

Non-Executive Director
10,000 +43.4%
1.70
17,000 USD
10,000 +43.4% 1.70 17,000 USD
May 16, 2017 May 10, 2017 B Purchase

MESSNER MARK

President and CEO

Officer
10,000 +10.5%
1.75
17,500 USD
10,000 +10.5% 1.75 17,500 USD
May 16, 2017 May 10, 2017 B Purchase

Fogelman Martin

Non-Executive Director
31,888 +54.2%
1.76
56,027 USD
31,888 +54.2% 1.76 56,027 USD
March 14, 2017 March 10, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
6,839 +0.2%
1.90
12,994 USD
6,839 +0.2% 1.90 12,994 USD
March 14, 2017 March 10, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
3,161 +0.2%
1.90
6,006 USD
3,161 +0.2% 1.90 6,006 USD
March 10, 2017 March 9, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
29,486 +0.7%
1.88
55,434 USD
29,486 +0.7% 1.88 55,434 USD
March 10, 2017 March 9, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
13,629 +0.8%
1.88
25,623 USD
13,629 +0.8% 1.88 25,623 USD
May 16, 2017 March 8, 2017 B Purchase

Fogelman Martin

Non-Executive Director
1,800 +3.2%
1.83
3,285 USD
1,800 +3.2% 1.83 3,285 USD
March 10, 2017 March 8, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
684 +0.0%
1.82
1,245 USD
684 +0.0% 1.82 1,245 USD
March 10, 2017 March 8, 2017 B Purchase

WYNNEFIELD PARTNERS SMALL CAP VALUE LP

Major owner
316 +0.0%
1.82
575 USD
316 +0.0% 1.82 575 USD