FSINYSEMiscellaneous Chemical ProductsFiscal year ends December 31
FLEXIBLE SOLUTIONS INTERNATIONAL INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$6.31+0.26 (+4.30%)
Close on Oct 19, 2026
- Market cap
- $80.42M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
9.1%
1M of 13M shares
Institutional holders
31
4 new, 4 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 5 sales
Net sold $788.55K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Daniel B. O'Brien | 4,595,156 | 36.10% | 13D (active) amendment | Jan 27, 2026 |
| Comprehensive Financial Planning, Inc. | 1,258,521 | 10.10% | 13G (passive) amendment | Dec 31, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of FSI | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 329,751 | 2.58% | $2.20M | −11,194 | 0.00% |
| Vanguard Capital Management LLC | 282,117 | 2.21% | $1.88M | +3,962 | 0.00% |
| Dimensional Fund Advisors LP | 96,116 | 0.75% | $640.13K | +3,836 | 0.00% |
| North Star Investment Management Corp. | 90,000 | 0.70% | $599.40K | – | 0.03% |
| Beartown Capital Management, LLC | 74,754 | 0.59% | $497.86K | – | 0.22% |
| Regal Investment Advisors LLC | 43,185 | 0.34% | $287.61K | – | 0.01% |
| Citadel Advisors LLC | 41,514 | 0.33% | $276.48K | +4,277 | 0.00% |
| Sentinus, LLC | 30,300 | 0.24% | $201.80K | +11,600 | 0.02% |
| Essex Investment Management Co LLC | 26,180 | 0.20% | $174.36K | −72 | 0.02% |
| BlackRock, Inc. | 25,244 | 0.20% | $168.13K | +5,464 | 0.00% |
| NewEdge Advisors, LLC | 18,300 | 0.14% | $121.88K | −1,132 | 0.00% |
| James Investment Research Inc | 18,300 | 0.14% | $121.88K | – | 0.01% |
| Quantinno Capital Management LP | 15,292 | 0.12% | $101.85K | −9,889 | 0.00% |
| Crestwood Advisors Group LLC | 15,292 | 0.12% | $101.85K | −9,889 | 0.00% |
| Strait & Sound Wealth Management LLC | 14,228 | 0.11% | $94.76K | – | 0.03% |
| XTX Topco Ltd | 11,225 | 0.09% | $74.76K | −1,935 | 0.00% |
| Vanguard Fiduciary Trust Co | 6,714 | 0.05% | $44.72K | – | 0.00% |
| Covestor Ltd | 6,162 | 0.05% | $41 | – | 0.02% |
| Founders Capital Management | 6,000 | 0.05% | $39.96K | – | 0.02% |
| Federation des caisses Desjardins du Quebec | 2,525 | 0.02% | $16.24K | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 31 | 1M | 9.1% | 4 / 6 | 9 / 4 | 0M | 0M |
| Q1 2026 | 31 | 1M | 9.5% | 7 / 12 | 3 / 4 | 0M | 0M |
| Q4 2025 | 30 | 1M | 11.4% | 7 / 8 | 3 / 5 | 0M | 0M |
| Q3 2025 | 28 | 1M | 8.9% | 10 / 3 | 5 / 5 | 0M | 0M |
| Q2 2025 | 23 | 1M | 8.6% | 5 / 3 | 6 / 4 | 0M | 0M |
| Q1 2025 | 22 | 1M | 9.0% | 8 / 3 | 6 / 3 | 0M | 0M |
| Q4 2024 | 17 | 1M | 8.6% | 1 / 4 | 4 / 0 | 0M | 0M |
| Q3 2024 | 16 | 1M | 8.6% | 3 / 3 | 4 / 1 | 0M | 0M |
| Q2 2024 | 15 | 1M | 8.1% | 1 / 3 | 4 / 2 | 0M | 0M |
| Q1 2024 | 16 | 1M | 8.6% | 1 / 1 | 8 / 2 | 0M | 0M |
| Q4 2023 | 17 | 1M | 8.8% | 3 / 2 | 6 / 2 | 0M | 0M |
| Q3 2023 | 16 | 1M | 9.1% | 1 / 0 | 8 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of FSI | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 270,455 | 2.12% | $1.80M | 0.00% | Jun 30, 2026 |
| North Star Micro Cap Fund | 90,000 | 0.70% | $598.50K | 0.33% | May 31, 2026 |
| U.S. Targeted Value Portfolio | 25,410 | 0.20% | $128.07K | 0.00% | Jul 31, 2026 |
| iShares Micro-Cap ETF | 23,632 | 0.19% | $157.39K | 0.01% | Jun 30, 2026 |
| Dimensional U.S. Targeted Value ETF | 15,292 | 0.12% | $77.07K | 0.00% | Jul 31, 2026 |
| Vanguard Institutional Total Stock Market Index Fund | 7,924 | 0.06% | $52.77K | 0.00% | Jun 30, 2026 |
| Dimensional U.S. Core Equity 2 ETF | 6,450 | 0.05% | $32.51K | 0.00% | Jul 31, 2026 |
| Vanguard Balanced Index Fund | 3,738 | 0.03% | $24.90K | 0.00% | Jun 30, 2026 |
| Dimensional US Sustainability Core 1 ETF | 3,528 | 0.03% | $17.78K | 0.00% | Jul 31, 2026 |
| U.S. Core Equity 2 Portfolio | 3,460 | 0.03% | $17.44K | 0.00% | Jul 31, 2026 |
| U.S. Social Core Equity 2 Portfolio | 3,352 | 0.03% | $16.89K | 0.00% | Jul 31, 2026 |
| U.S. Sustainability Core 1 Portfolio | 3,279 | 0.03% | $16.53K | 0.00% | Jul 31, 2026 |
| U.S. Vector Equity Portfolio | 2,757 | 0.02% | $13.90K | 0.00% | Jul 31, 2026 |
| U.S. Core Equity 1 Portfolio | 2,175 | 0.02% | $10.96K | 0.00% | Jul 31, 2026 |
| 1290 VT Micro Cap Portfolio | 1,612 | 0.01% | $10.74K | 0.00% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Brien Daniel B. O | Chief Executive Officer, Director, 10% owner | 4,595,156 | 35.98% | Feb 10, 2026 |
| Robert Thomas Helina | Director | 10,000 | 0.08% | Feb 18, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Brien Daniel B. O Chief Executive Officer, Director, 10% owner | Feb 3, 2026 | Sale | −16,497 | $5.78 | $95.35K | 4,595,156 |
| Brien Daniel B. O Chief Executive Officer, Director, 10% owner | Feb 3, 2026 | Sale | −12,500 | $5.88 | $73.50K | 4,599,153 |
| Brien Daniel B. O Chief Executive Officer, Director, 10% owner | Jan 29, 2026 | Sale | −4,003 | $5.89 | $23.58K | 4,611,653 |
| Brien Daniel B. O Chief Executive Officer, Director, 10% owner | Jan 28, 2026 | Sale | −45,500 | $5.84 | $265.72K | 4,615,656 |
| Brien Daniel B. O Chief Executive Officer, Director, 10% owner | Jan 27, 2026 | Sale | −56,000 | $5.90 | $330.40K | 4,664,156 |
| Robert Thomas Helina Director | Jan 19, 2026 | Award | +10,000 | $6.14 | $61.40K | 10,000 |
| Brien Daniel B. O Chief Executive Officer, Director | Nov 16, 2023 | Sale | −94,563 | $1.57 | $148.46K | 4,270,156 |
| Brien Daniel B. O Chief Executive Officer, Director | Jul 21, 2023 | Sale | −9,312 | $2.64 | $24.58K | 4,364,719 |
| Brien Daniel B. O Chief Executive Officer, Director | Jul 20, 2023 | Sale | −20,100 | $2.65 | $53.27K | 4,374,031 |
| Brien Daniel B. O Chief Executive Officer, Director | Jul 19, 2023 | Sale | −17,647 | $2.65 | $46.76K | 4,394,131 |
| Brien Daniel B. O Chief Executive Officer, Director | Jun 22, 2023 | Sale | −5,003 | $2.80 | $14.01K | 4,411,778 |
| Brien Daniel B. O Chief Executive Officer, Director | Jun 21, 2023 | Sale | −4,114 | $2.80 | $11.52K | 4,416,781 |
| Thomas Murray Fyles Director | Jun 20, 2023 | Buy | +5,000 | $2.65 | $13.25K | 20,000 |
| Brien Daniel B. O Chief Executive Officer, Director | Jun 13, 2023 | Sale | −826 | $2.83 | $2.34K | 4,420,895 |
| Brien Daniel B. O Chief Executive Officer, Director | Jun 12, 2023 | Sale | −60 | $2.85 | $171 | 4,421,721 |
| Robert Thomas Helina Director | Jun 8, 2023 | Sale | −5,000 | $2.89 | $14.45K | 5,000 |
| Robert Thomas Helina Director | May 22, 2023 | Sale | −5,000 | $2.88 | $14.40K | 10,000 |
| Brien Daniel B. O Chief Executive Officer, Director | May 4, 2023 | Sale | −4,900 | $2.77 | $13.57K | 4,421,781 |
| Brien Daniel B. O Chief Executive Officer, Director | May 3, 2023 | Sale | −2,999 | $2.85 | $8.55K | 4,426,681 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 26, 2023 | Sale | −9,399 | $3.00 | $28.20K | 4,429,680 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 24, 2023 | Sale | −344 | $3.14 | $1.08K | 4,438,735 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 21, 2023 | Sale | −573 | $3.14 | $1.80K | 4,439,079 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 19, 2023 | Sale | −23,037 | $3.14 | $72.34K | 4,416,615 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 18, 2023 | Sale | −234 | $3.14 | $735 | 4,439,652 |
| Brien Daniel B. O Chief Executive Officer, Director | Apr 17, 2023 | Sale | −1,729 | $3.15 | $5.45K | 4,439,886 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 14, 2023 | Sale | −941 | $3.00 | $2.82K | 4,441,615 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 13, 2023 | Sale | −4,600 | $3.10 | $14.26K | 4,442,556 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 10, 2023 | Sale | −4,200 | $3.00 | $12.60K | 4,447,156 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 8, 2023 | Sale | −10,390 | $3.10 | $32.21K | 4,451,356 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 6, 2023 | Sale | −800 | $3.12 | $2.50K | 4,461,746 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 3, 2023 | Sale | −1,610 | $3.10 | $4.99K | 4,462,546 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 2, 2023 | Sale | −446 | $3.14 | $1.40K | 4,464,156 |
| Brien Daniel B. O Chief Executive Officer, Director | Mar 1, 2023 | Sale | −200 | $3.12 | $624 | 4,464,602 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 28, 2023 | Sale | −5,028 | $3.15 | $15.84K | 4,464,802 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 27, 2023 | Sale | −871 | $3.10 | $2.70K | 4,479,734 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 24, 2023 | Sale | −1,199 | $3.12 | $3.74K | 4,480,605 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 23, 2023 | Sale | −9,904 | $3.15 | $31.20K | 4,471,900 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 22, 2023 | Sale | −5,008 | $3.10 | $15.52K | 4,481,804 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 21, 2023 | Sale | −1,118 | $3.15 | $3.52K | 4,486,812 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 17, 2023 | Sale | −17,621 | $3.14 | $55.33K | 4,487,930 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 15, 2023 | Sale | −14,949 | $3.05 | $45.59K | 4,505,551 |
| Brien Daniel B. O Chief Executive Officer, Director | Feb 14, 2023 | Sale | −1,400 | $3.17 | $4.44K | 4,520,500 |
| Robert Thomas Helina Director | Jan 19, 2023 | Sale | −5,000 | $3.05 | $15.25K | 10,000 |
| Robert Thomas Helina Director | Jan 18, 2023 | Sale | −5,000 | $3.09 | $15.45K | 15,000 |
| Robert Thomas Helina Director | Jan 17, 2023 | Sale | −5,000 | $3.26 | $16.30K | 20,000 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −900 | $1.42 | $1.28K | 17,939 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −1,161 | $1.42 | $1.65K | 18,839 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −939 | $1.45 | $1.36K | 17,000 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −2,910 | $1.45 | $4.22K | 14,090 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −90 | $1.42 | $128 | 14,000 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −100 | $1.43 | $143 | 13,900 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −1,099 | $1.42 | $1.56K | 12,801 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −2,301 | $1.42 | $3.27K | 10,500 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −3,300 | $1.42 | $4.69K | 7,200 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −3,300 | $1.40 | $4.62K | 0 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −200 | $1.45 | $290 | 3,300 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −3,300 | $1.42 | $4.69K | 3,500 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −100 | $1.42 | $142 | 6,800 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −100 | $1.43 | $143 | 6,900 |
| John H. Bientjes Director | Jun 6, 2016 | Sale | −200 | $1.44 | $288 | 7,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| B. O'Brien Daniel Officer/Director | Jan 27, 2026 | 125,000 | $747.50K | Jan 27, 2026 | Purchase from Issuer |
| Patricia J. Lee Member of immediate family of any of the foregoing | Oct 22, 2024 | 48,000 | $168.96K | Oct 22, 2024 | Private Placement |
| B. O'Brien Daniel Officer/Director | Oct 20, 2023 | 124,355 | $271.09K | Oct 20, 2023 | Purchase from Issuer |
| B. O'Brien Daniel Officer/Director | May 31, 2023 | 57,062 | $158.63K | May 31, 2023 | Acquisition from Issuer |