Flexible Solutions International, Inc. (FSI) has 10 known insider and institutional holders on record. The largest holder is O BRIEN DANIEL B with 4,595,156 shares. Other notable holders include MARXE AUSTIN W & GREENHOUSE DAVID M and O BRIEN DR ROBERT N.
Over the last 12 months, insiders have made 5 transactions in FSI stock — 1 buys (valued at $61.4K) and 4 sells (valued at $764.97K). Insider selling has exceeded buying during this period.
FSI Insider Ownership
Top Holder
O BRIEN DANIEL B
4,595,156 shares
Buys (12 mo)
1
$61.4K value
Sells (12 mo)
4
$764.97K value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
O Brien Daniel B |
10 Percent Owner, Officer: Chief Executive Officer |
4,595,156 |
2026-02-10 |
|
| 2 |
Marxe Austin W & Greenhouse David M |
10 Percent Owner |
3,670,071 |
2009-01-09 |
|
| 3 |
O Brien Dr Robert N |
Director |
125,000 |
2006-06-16 |
|
| 4 |
Bientjes John H |
Director |
21,000 |
2007-01-25 |
|
| 5 |
Helina Robert T |
Director |
20,000 |
2023-02-07 |
|
| 6 |
Fyles Thomas Murray |
Director |
20,000 |
2023-06-21 |
|
| 7 |
Friend Dale |
Director |
20,000 |
2006-06-16 |
|
| 8 |
Kupel Fred J |
Chief Financial Officer |
16,000 |
2005-01-20 |
|
| 9 |
Hodges Eric Glen |
Director |
15,000 |
2006-06-16 |
|
| 10 |
Helina Robert Thomas |
Director |
10,000 |
2026-02-18 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-01-19 |
Helina Robert Thomas |
Director |
RSU Award |
10,000 |
$6.14 |
$61.4K |
| 2026-02-03 |
O Brien Daniel B |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
16,497 |
$5.78 |
$95.35K |
| 2026-02-03 |
O Brien Daniel B |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
12,500 |
$5.88 |
$73.5K |
| 2026-01-28 |
O Brien Daniel B |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
45,500 |
$5.84 |
$265.72K |
| 2026-01-27 |
O Brien Daniel B |
10 Percent Owner, Officer: Chief Executive Officer |
Informative Sell |
56,000 |
$5.90 |
$330.4K |
