Date Filed | Type | Description |
06/27/2011 |
3
| SPECTRUM LABORATORIES INC /CA (10% Owner) has filed a Form 3 on SCIENTIFIC INDUSTRIES INC |
06/12/2009 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
11/16/2005 |
SC 13E3/A
| Form SC 13E3/A - Going private transaction by certain issuers: [Amend] |
11/02/2005 |
DEF 14C
| Form DEF 14C - Other definitive information statements: |
10/25/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
10/11/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
09/07/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
08/08/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
05/27/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
03/02/2005 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
01/05/2005 |
8-K
| Quarterly results |
11/23/2004 |
8-K/A
| Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits |
11/18/2004 |
8-K
| Changes in Registrant's Certifying Accountant |
10/19/2004 |
SC 13E3/A
| Form SC 13E3 - Going private transaction by certain issuers [amend] |
10/13/2004 |
SC 13E3
| Form SC 13E3 - Going private transaction by certain issuers |
04/02/2004 |
4
| LACK WALTER J (Director) has filed a Form 4 on SPECTRUM LABORATORIES INC /CA
Txns:
| Bought 7,595 shares
@ $2.5227, valued at
$19.2k
|
|
02/04/1999 |
8-K/A
| Financial statements and exhibits |
01/21/1999 |
8-K/A
| Financial statements and exhibits |
12/31/1998 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
12/23/1998 |
8-K
| Changes in registrant's certifying accountant |
12/23/1998 |
8-K
| Changes in registrant's certifying accountant |
12/09/1998 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
12/09/1998 |
DEF 14C
| Form DEF 14C - Other definitive information statements |
11/18/1998 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits |
11/04/1998 |
8-K
| Acquisition or disposition of assets |
05/28/1997 |
SC 13G
| SPECTRUM LABORATORIES INC reports a 85.9% stake in SPECTRUM LABORATORIES, INC. |
05/28/1997 |
SC 13G
| SPECTRUM LABORATORIES INC reports a 7% stake in SPECTRUM LABORATORIES, INC. |
05/28/1997 |
SC 13G
| SPECTRUM LABORATORIES INC reports a 78.9% stake in SPECTRUM LABORATORIES, INC. |
03/18/1997 |
8-K/A
| Financial statements and exhibits SROs NONE |
01/17/1997 |
8-K/A
| Acquisition or disposition of assets, Financial statements and exhibits SROs NONE |
01/08/1997 |
8-K
| Acquisition or disposition of assets SROs NONE |
05/15/1996 |
10-Q
| Quarterly Report for the period ended March 31, 1996 |