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United States Biotechnology & Medical Research

Synthetic Biologics Inc (SYN)

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Ticker: SYN Exchange: ASE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
SHALLCROSS STEVEN A
CEO and CFO
1 purchase — total 9,703 USD
Buy 7 Jun 2023
Value US$2,540,925.97 | Price 423.10 | Shares 28,664
Buy 6 Jun 2023
Value US$1,696,904.98 | Price 194.68 | Shares 42,834
Buy 10 Feb 2023
Value US$26,075.00 | Price 1.04 | Shares 25,000
Buy 2 Feb 2023
Value US$23,512.50 | Price 0.94 | Shares 25,000
Buy 25 Jan 2023
Value US$21,825.00 | Price 0.87 | Shares 25,000
Buy 20 Jan 2023
Value US$18,705.00 | Price 0.75 | Shares 25,000
Buy 29 Dec 2022
Value US$43,700.00 | Price 0.44 | Shares 100,000
Buy 10 May 2021
Value US$24,595.00 | Price 0.49 | Shares 50,000
Buy 23 Aug 2019
Value US$20,785.00 | Price 0.42 | Shares 50,000
Sale 3 Apr 2019
Value US$44,954.65 | Price 0.65 | Shares 69,161
Sale 3 Apr 2019
Value US$16,952.00 | Price 0.65 | Shares 26,080
Sale 2 Apr 2019
Value US$6,539.94 | Price 0.66 | Shares 9,909
Sale 2 Apr 2019
Value US$2,466.42 | Price 0.66 | Shares 3,737
Sale 1 Apr 2019
Value US$20,277.55 | Price 0.67 | Shares 30,265
Sale 1 Apr 2019
Value US$7,646.71 | Price 0.67 | Shares 11,413
Buy 2 Sep 2015
Value US$3,000,000.00 | Price 3.20 | Shares 937,500
Buy 22 May 2014
Value US$13,500.00 | Price 1.35 | Shares 10,000
Sale 30 Apr 2014
Value US$7,154,325.75 | Price 1.43 | Shares 5,003,025
Sale 29 Apr 2014
Value US$262,046.30 | Price 2.98 | Shares 87,935
Sale 28 Apr 2014
Value US$501,006.22 | Price 2.86 | Shares 175,177
Buy 17 Dec 2013
Value US$2,000,000.00 | Price 1.00 | Shares 2,000,000
Buy 17 Dec 2013
Value US$500,000.00 | Price 1.00 | Shares 500,000
Buy 7 Jan 2013
Value US$497.94 | Price 0.17 | Shares 2,895
Buy 7 Jan 2013
Value US$8.55 | Price 1.71 | Shares 5
Buy 3 Jan 2013
Value US$3,420.00 | Price 1.71 | Shares 2,000
Buy 3 Jan 2013
Value US$4,899.72 | Price 1.75 | Shares 2,800
Buy 2 Jan 2013
Value US$4,805.73 | Price 1.78 | Shares 2,700
Buy 29 Oct 2012
Value US$5,000,000.00 | Price 1.60 | Shares 3,125,000
Buy 30 Aug 2011
Value US$3,102.75 | Price 0.69 | Shares 4,500
Buy 11 Apr 2008
Value US$3,038.00 | Price 0.98 | Shares 3,100
Buy 11 Apr 2008
Value US$960.00 | Price 0.96 | Shares 1,000
Buy 11 Apr 2008
Value US$1,772.70 | Price 0.95 | Shares 1,866
Buy 11 Apr 2008
Value US$2,491.00 | Price 0.94 | Shares 2,650
Buy 11 Apr 2008
Value US$7,890.12 | Price 0.93 | Shares 8,484
Buy 11 Apr 2008
Value US$9,108.00 | Price 0.92 | Shares 9,900
Buy 11 Apr 2008
Value US$91.00 | Price 0.91 | Shares 100
Buy 11 Apr 2008
Value US$450.00 | Price 0.90 | Shares 500
Buy 11 Apr 2008
Value US$2,136.00 | Price 0.89 | Shares 2,400
Buy 11 Apr 2008
Value US$5,332.00 | Price 0.86 | Shares 6,200
Buy 11 Apr 2008
Value US$850.00 | Price 0.85 | Shares 1,000
Buy 11 Apr 2008
Value US$1,909.00 | Price 0.83 | Shares 2,300
Buy 11 Apr 2008
Value US$405.00 | Price 0.81 | Shares 500
Buy 11 Apr 2008
Value US$7,600.00 | Price 0.80 | Shares 9,500
Buy 11 Apr 2008
Value US$395.00 | Price 0.79 | Shares 500
Buy 9 Nov 2007
Value US$549,543.24 | Price 2.22 | Shares 247,542
Buy 9 Nov 2007
Value US$13,739.58 | Price 2.22 | Shares 6,189
Buy 25 Jul 2007
Value US$35,454.00 | Price 7.09 | Shares 5,000
Buy 25 Jul 2007
Value US$14,280.00 | Price 7.14 | Shares 2,000
Buy 25 Jul 2007
Value US$15,015.00 | Price 7.15 | Shares 2,100
Buy 25 Jul 2007
Value US$1,432.00 | Price 7.16 | Shares 200
Buy 25 Jul 2007
Value US$37,100.00 | Price 7.42 | Shares 5,000
Buy 24 Jul 2007
Value US$9,100.00 | Price 7.00 | Shares 1,300
Buy 24 Jul 2007
Value US$2,130.00 | Price 7.10 | Shares 300
Buy 24 Jul 2007
Value US$17,064.00 | Price 7.11 | Shares 2,400
Buy 24 Jul 2007
Value US$7,130.00 | Price 7.13 | Shares 1,000
Buy 24 Jul 2007
Value US$12,189.00 | Price 7.17 | Shares 1,700
Buy 24 Jul 2007
Value US$9,412.00 | Price 7.24 | Shares 1,300
Buy 23 Jul 2007
Value US$5,922.00 | Price 6.58 | Shares 900
Buy 23 Jul 2007
Value US$6,600.00 | Price 6.60 | Shares 1,000
Buy 23 Jul 2007
Value US$46,550.00 | Price 6.65 | Shares 7,000
Buy 23 Jul 2007
Value US$30,820.00 | Price 6.70 | Shares 4,600
Buy 23 Jul 2007
Value US$3,360.00 | Price 6.72 | Shares 500
Buy 23 Jul 2007
Value US$12,825.00 | Price 6.75 | Shares 1,900
Buy 23 Jul 2007
Value US$1,354.00 | Price 6.77 | Shares 200
Buy 23 Jul 2007
Value US$57,120.00 | Price 6.80 | Shares 8,400
Buy 23 Jul 2007
Value US$8,905.00 | Price 6.85 | Shares 1,300
Buy 23 Jul 2007
Value US$3,435.00 | Price 6.87 | Shares 500
Buy 23 Jul 2007
Value US$23,460.00 | Price 6.90 | Shares 3,400
Buy 17 Jul 2007
Value US$2,600.00 | Price 5.20 | Shares 500
Buy 17 Jul 2007
Value US$5,330.00 | Price 5.33 | Shares 1,000
Buy 17 Jul 2007
Value US$5,250.00 | Price 5.25 | Shares 1,000
Buy 17 Jul 2007
Value US$6,264.00 | Price 5.22 | Shares 1,200
Buy 17 Jul 2007
Value US$6,877.00 | Price 5.29 | Shares 1,300
Buy 17 Jul 2007
Value US$26,500.00 | Price 5.30 | Shares 5,000
Buy 17 Jul 2007
Value US$27,350.00 | Price 5.47 | Shares 5,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed 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
2023-06-08 2023-06-07 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
28,664 -43.6%
423.10
US$2,540,926 		28,664 -43.6% 423.10 US$2,540,926
2023-06-07 2023-06-06 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
42,834 +12.7%
194.68
US$1,696,905 		42,834 +12.7% 194.68 US$1,696,905
2023-02-13 2023-02-10 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
58,580 -13.2%
294.04
US$697,727 		58,580 -13.2% 294.04 US$697,727
2023-02-03 2023-02-02 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
25,000 +15.6%
0.94
US$23,512 		25,000 +15.6% 0.94 US$23,512
2023-01-26 2023-01-25 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
25,000 +18.5%
0.87
US$21,825 		25,000 +18.5% 0.87 US$21,825
2023-01-23 2023-01-20 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
25,000 +22.7%
0.75
US$18,705 		25,000 +22.7% 0.75 US$18,705
2023-01-03 2022-12-29 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
100,000 +1000.0%
0.44
US$43,700 		100,000 +1000.0% 0.44 US$43,700
2021-05-10 2021-05-10 B Purchase
SHALLCROSS STEVEN A

CEO and CFO

Executive Director
50,000 +100.0%
0.49
US$24,595 		50,000 +100.0% 0.49 US$24,595
2019-08-26 2019-08-23 B Purchase SHALLCROSS STEVEN A

CEO and CFO

Executive Director
50,000 +inf%
0.42
US$20,785 		50,000 +inf% 0.42 US$20,785
2019-04-03 2019-04-03 S Sale
3.6
KIRK RANDAL J
Large shareholder
69,161 -29.5%
0.65
US$44,955 		69,161 -29.5% 0.65 US$44,955
2019-04-03 2019-04-03 S Sale
3.6
KIRK RANDAL J
Large shareholder
26,080 -29.5%
0.65
US$16,952 		26,080 -29.5% 0.65 US$16,952
2019-04-03 2019-04-02 S Sale
3.6
KIRK RANDAL J
Large shareholder
9,909 -4.1%
0.66
US$6,540 		9,909 -4.1% 0.66 US$6,540
2019-04-03 2019-04-02 S Sale
3.6
KIRK RANDAL J
Large shareholder
3,737 -4.1%
0.66
US$2,466 		3,737 -4.1% 0.66 US$2,466
2019-04-03 2019-04-01 S Sale
3.6
KIRK RANDAL J
Large shareholder
30,265 -11.0%
0.67
US$20,278 		30,265 -11.0% 0.67 US$20,278
2019-04-03 2019-04-01 S Sale
3.6
KIRK RANDAL J
Large shareholder
11,413 -11.0%
0.67
US$7,647 		11,413 -11.0% 0.67 US$7,647
2015-09-04 2015-09-02 B Purchase KIRK RANDAL J Large shareholder
937,500 +10.8%
3.20
US$3,000,000 		937,500 +10.8% 3.20 US$3,000,000
2014-05-27 2014-05-22 B Purchase Ballantyne Charles Evan

Chief Financial Officer

Officer
10,000 +inf%
1.35
US$13,500 		10,000 +inf% 1.35 US$13,500
2014-05-02 2014-04-30 S Sale KANZER STEVE H Large shareholder
5,003,025 -69.5%
1.43
US$7,154,326 		5,003,025 -69.5% 1.43 US$7,154,326
2014-04-30 2014-04-29 S Sale KANZER STEVE H Large shareholder
87,935 -1.3%
2.98
US$262,046 		87,935 -1.3% 2.98 US$262,046
2014-04-30 2014-04-28 S Sale KANZER STEVE H Large shareholder
175,177 -2.5%
2.86
US$501,006 		175,177 -2.5% 2.86 US$501,006
2013-12-19 2013-12-17 B Purchase KIRK RANDAL J Large shareholder
2,000,000 +30.0%
1.00
US$2,000,000 		2,000,000 +30.0% 1.00 US$2,000,000
2013-12-19 2013-12-17 B Purchase KIRK RANDAL J Large shareholder
500,000 +16.0%
1.00
US$500,000 		500,000 +16.0% 1.00 US$500,000
2013-01-07 2013-01-07 B Purchase Riley Jeffrey Scott

CEO and President

Executive Director
2,895 +38.6%
0.17
US$498 		2,895 +38.6% 0.17 US$498
2013-01-07 2013-01-07 B Purchase Riley Jeffrey Scott

CEO and President

Executive Director
5 +0.1%
1.71
US$9 		5 +0.1% 1.71 US$9
2013-01-04 2013-01-03 B Purchase Riley Jeffrey Scott

CEO and President

Executive Director
2,000 +36.4%
1.71
US$3,420 		2,000 +36.4% 1.71 US$3,420
2013-01-03 2013-01-03 B Purchase Riley Jeffrey Scott

CEO and President

Executive Director
2,800 +103.7%
1.75
US$4,900 		2,800 +103.7% 1.75 US$4,900
2013-01-03 2013-01-02 B Purchase Riley Jeffrey Scott

CEO and President

Executive Director
2,700 +inf%
1.78
US$4,806 		2,700 +inf% 1.78 US$4,806
2012-10-31 2012-10-29 B Purchase KIRK RANDAL J Large shareholder
3,125,000 +inf%
1.60
US$5,000,000 		3,125,000 +inf% 1.60 US$5,000,000
2011-08-31 2011-08-30 B Purchase KUO JAMES S

Chairman, CEO & President

Executive Director
4,500 +inf%
0.69
US$3,103 		4,500 +inf% 0.69 US$3,103
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
3,100 +0.8%
0.98
US$3,038 		3,100 +0.8% 0.98 US$3,038
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
1,000 +0.3%
0.96
US$960 		1,000 +0.3% 0.96 US$960
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
1,866 +0.5%
0.95
US$1,773 		1,866 +0.5% 0.95 US$1,773
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
2,650 +0.7%
0.94
US$2,491 		2,650 +0.7% 0.94 US$2,491
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
8,484 +2.4%
0.93
US$7,890 		8,484 +2.4% 0.93 US$7,890
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
9,900 +2.8%
0.92
US$9,108 		9,900 +2.8% 0.92 US$9,108
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
100 +0.0%
0.91
US$91 		100 +0.0% 0.91 US$91
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
500 +0.1%
0.90
US$450 		500 +0.1% 0.90 US$450
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
2,400 +0.7%
0.89
US$2,136 		2,400 +0.7% 0.89 US$2,136
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
6,200 +1.8%
0.86
US$5,332 		6,200 +1.8% 0.86 US$5,332
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
1,000 +0.3%
0.85
US$850 		1,000 +0.3% 0.85 US$850
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
2,300 +0.7%
0.83
US$1,909 		2,300 +0.7% 0.83 US$1,909
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
500 +0.1%
0.81
US$405 		500 +0.1% 0.81 US$405
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
9,500 +2.9%
0.80
US$7,600 		9,500 +2.9% 0.80 US$7,600
2008-04-15 2008-04-11 B Purchase KANZER STEVE H

Chief Executive Officer

Executive Director
500 +0.2%
0.79
US$395 		500 +0.2% 0.79 US$395
2007-11-13 2007-11-09 B Purchase DORMAN DANIEL J Non-Executive Director
247,542 +50.0%
2.22
US$549,543 		247,542 +50.0% 2.22 US$549,543
2007-11-13 2007-11-09 B Purchase DORMAN DANIEL J Non-Executive Director
6,189 +50.0%
2.22
US$13,740 		6,189 +50.0% 2.22 US$13,740
2007-07-26 2007-07-25 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
5,000 +1.6%
7.09
US$35,454 		5,000 +1.6% 7.09 US$35,454
2007-07-26 2007-07-25 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
2,000 +0.6%
7.14
US$14,280 		2,000 +0.6% 7.14 US$14,280
2007-07-26 2007-07-25 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
2,100 +0.7%
7.15
US$15,015 		2,100 +0.7% 7.15 US$15,015
2007-07-26 2007-07-25 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
200 +0.1%
7.16
US$1,432 		200 +0.1% 7.16 US$1,432
2007-07-26 2007-07-25 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
5,000 +1.6%
7.42
US$37,100 		5,000 +1.6% 7.42 US$37,100
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,300 +0.4%
7.00
US$9,100 		1,300 +0.4% 7.00 US$9,100
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
300 +0.1%
7.10
US$2,130 		300 +0.1% 7.10 US$2,130
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
2,400 +0.8%
7.11
US$17,064 		2,400 +0.8% 7.11 US$17,064
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,000 +0.3%
7.13
US$7,130 		1,000 +0.3% 7.13 US$7,130
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,700 +0.6%
7.17
US$12,189 		1,700 +0.6% 7.17 US$12,189
2007-07-25 2007-07-24 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,300 +0.4%
7.24
US$9,412 		1,300 +0.4% 7.24 US$9,412
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
900 +0.3%
6.58
US$5,922 		900 +0.3% 6.58 US$5,922
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,000 +0.3%
6.60
US$6,600 		1,000 +0.3% 6.60 US$6,600
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
7,000 +2.4%
6.65
US$46,550 		7,000 +2.4% 6.65 US$46,550
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
4,600 +1.6%
6.70
US$30,820 		4,600 +1.6% 6.70 US$30,820
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
500 +0.2%
6.72
US$3,360 		500 +0.2% 6.72 US$3,360
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,900 +0.7%
6.75
US$12,825 		1,900 +0.7% 6.75 US$12,825
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
200 +0.1%
6.77
US$1,354 		200 +0.1% 6.77 US$1,354
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
8,400 +3.0%
6.80
US$57,120 		8,400 +3.0% 6.80 US$57,120
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,300 +0.5%
6.85
US$8,905 		1,300 +0.5% 6.85 US$8,905
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
500 +0.2%
6.87
US$3,435 		500 +0.2% 6.87 US$3,435
2007-07-24 2007-07-23 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
3,400 +1.2%
6.90
US$23,460 		3,400 +1.2% 6.90 US$23,460
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
500 +0.2%
5.20
US$2,600 		500 +0.2% 5.20 US$2,600
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,000 +0.4%
5.33
US$5,330 		1,000 +0.4% 5.33 US$5,330
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,000 +0.4%
5.25
US$5,250 		1,000 +0.4% 5.25 US$5,250
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,200 +0.4%
5.22
US$6,264 		1,200 +0.4% 5.22 US$6,264
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
1,300 +0.5%
5.29
US$6,877 		1,300 +0.5% 5.29 US$6,877
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
5,000 +1.9%
5.30
US$26,500 		5,000 +1.9% 5.30 US$26,500
2007-07-19 2007-07-17 B Purchase KANZER STEVE H

CEO

Executive Director Large shareholder
5,000 +1.9%
5.47
US$27,350 		5,000 +1.9% 5.47 US$27,350
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