MAZE insider buying and SEC filings, explained
Maze Therapeutics, Inc. · CIK 1842295
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Biological Products, (No Diagnostic Substances)
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.1M
Planned sales (10b5-1)
$21.6M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $32.07 ($241K), marked as a 10b5-1 plan trade. Holdings down 19% to 32,316 shares. | SEC filing Filed Oct 30, 2026, 4:14 PM ET |
| Oct 1, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 34,501 shares indirectly (by trust) at about $27.02 ($932K), marked as a 10b5-1 plan trade. Holdings by trust down 14% to 191,447 shares. | SEC filing Filed Oct 2, 2026, 4:12 PM ET |
| Oct 1, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 16,141 shares at about $26.93 ($435K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Oct 2, 2026, 4:09 PM ET |
| Sep 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $27.06 ($203K), marked as a 10b5-1 plan trade. Holdings down 19% to 32,316 shares. | SEC filing Filed Oct 1, 2026, 4:06 PM ET |
| Sep 4, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 9,705 shares at about $26.22 ($254K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Sep 8, 2026 |
| Sep 2–3, 2026 | Sale | Harold Bernstein (President / COO) sold 10,295 shares between Sep 2 and Sep 3 at about $26.24 ($270K). Holdings down 51% to 9,705 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 4, 2026 |
| Sep 2–3, 2026 | Sale | Atul Dandekar (Csbo) sold 6,434 shares between Sep 2 and Sep 3 at about $26.24 ($169K). Holdings down 17% to 32,316 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 4, 2026 |
| Sep 2–3, 2026 | Sale | Phillips Courtney (GC and Corp. Secretary) sold 3,993 shares between Sep 2 and Sep 3 at about $26.24 ($105K). Holdings down 36% to 7,007 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 4, 2026 |
| Sep 2–3, 2026 | Sale | Jason V Coloma (CEO and Director) sold 22,638 shares between Sep 2 and Sep 3 at about $26.24 ($594K). Holdings down 45% to 27,362 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 4, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 16,141 shares at about $26.36 ($425K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Sep 3, 2026 |
| Sep 1, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 34,501 shares indirectly (by trust) at about $26.29 ($907K), marked as a 10b5-1 plan trade. Holdings by trust down 13% to 223,355 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 28, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $27.58 ($207K), marked as a 10b5-1 plan trade. Holdings down 22% to 26,250 shares. | SEC filing Filed Aug 31, 2026 |
| Aug 13, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 16,142 shares at about $27.61 ($446K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Aug 14, 2026 |
| Aug 3, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 34,501 shares indirectly (by trust) at about $26.73 ($922K), marked as a 10b5-1 plan trade. Holdings by trust down 11% to 255,263 shares. | SEC filing Filed Aug 5, 2026 |
| Jul 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $27.34 ($205K), marked as a 10b5-1 plan trade. Holdings down 22% to 26,250 shares. | SEC filing Filed Jul 31, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 14,609 shares at about $29.91 ($437K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Jul 2, 2026 |
| Jul 1, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 34,501 shares indirectly (by trust) at about $29.97 ($1.0M), marked as a 10b5-1 plan trade. Holdings by trust down 10% to 287,171 shares. | SEC filing Filed Jul 2, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at $28.02 ($210K), marked as a 10b5-1 plan trade. Holdings down 22% to 26,250 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 22–23, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 27,858 shares indirectly (by trust) between Jun 22 and Jun 23 at about $26.04 ($726K), marked as a 10b5-1 plan trade. Holdings by trust down 7% to 319,079 shares. | SEC filing Filed Jun 24, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 14,853 shares at about $25.66 ($381K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Jun 3, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 6,643 shares indirectly (by trust) at about $26.20 ($174K), marked as a 10b5-1 plan trade. Holdings by trust down 2% to 344,897 shares. | SEC filing Filed Jun 3, 2026 |
| May 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $26.34 ($198K), marked as a 10b5-1 plan trade. Holdings down 23% to 24,808 shares. | SEC filing Filed Jun 2, 2026 |
| May 22–26, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 32,564 shares indirectly (by trust) between May 22 and May 26 at about $26.02 ($847K), marked as a 10b5-1 plan trade. Holdings by trust down 8% to 350,987 shares. | SEC filing Filed May 27, 2026 |
| May 15, 2026 | Planned (10b5-1) | Jason V Coloma (CEO and Director) sold 1,938 shares indirectly (by trust) at $26.00 ($50K), marked as a 10b5-1 plan trade. Holdings by trust down <1% to 381,073 shares. | SEC filing Filed May 18, 2026 |
| May 14, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 15,000 shares at about $26.22 ($393K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed May 18, 2026 |
| Apr 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $25.37 ($190K), marked as a 10b5-1 plan trade. Holdings down 42% to 10,503 shares. | SEC filing Filed May 1, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 2,500 shares at about $29.44 ($74K), marked as a 10b5-1 plan trade. Holdings down 16% to 12,965 shares. | SEC filing Filed Apr 2, 2026 |
| Apr 1, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 15,000 shares at about $29.46 ($442K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Apr 2, 2026 |
| Mar 30, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $29.34 ($220K), marked as a 10b5-1 plan trade. Holdings down 42% to 10,503 shares. | SEC filing Filed Apr 1, 2026 |
| Mar 20, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 15,000 shares at about $49.10 ($736K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Mar 20, 2026 |
| Mar 10, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 30,000 shares at about $50.46 ($1.5M), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Mar 12, 2026 |
| Mar 2, 2026 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 5,000 shares at about $45.20 ($226K), marked as a 10b5-1 plan trade. Holdings down 28% to 12,965 shares. | SEC filing Filed Mar 3, 2026 |
| Feb 27, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $45.43 ($341K), marked as a 10b5-1 plan trade. Holdings down 42% to 10,503 shares. | SEC filing Filed Mar 3, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 5,000 shares at about $46.04 ($230K), marked as a 10b5-1 plan trade. Holdings down 28% to 12,965 shares. | SEC filing Filed Feb 4, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 15,000 shares at about $46.02 ($690K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Feb 4, 2026 |
| Jan 29, 2026 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 7,500 shares at about $44.26 ($332K), marked as a 10b5-1 plan trade. Holdings down 42% to 10,503 shares. | SEC filing Filed Feb 2, 2026 |
| Jan 22, 2026 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 5,000 shares at about $45.52 ($228K), marked as a 10b5-1 plan trade. Holdings down 28% to 12,965 shares. | SEC filing Filed Jan 26, 2026 |
| Jan 7, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 25,156 shares at about $40.20 ($1.0M), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Jan 9, 2026 |
| Jan 2, 2026 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 5,000 shares at about $39.15 ($196K), marked as a 10b5-1 plan trade. Holdings down 28% to 12,965 shares. | SEC filing Filed Jan 6, 2026 |
| Jan 2–5, 2026 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 4,844 shares between Jan 2 and Jan 5 at about $40.39 ($196K), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Jan 6, 2026 |
| Dec 29–30, 2025 | Planned (10b5-1) | Amy Bachrodt (SVP, Finance) sold 15,000 shares between Dec 29, 2025 and Dec 30, 2025 at about $40.41 ($606K), marked as a 10b5-1 plan trade. Holdings down 54% to 12,965 shares. | SEC filing Filed Dec 31, 2025 |
| Dec 29, 2025 | Planned (10b5-1) | Harold Bernstein (President / COO) sold 45,000 shares at about $40.57 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 100% to 0 shares. | SEC filing Filed Dec 31, 2025 |
| Dec 29–30, 2025 | Planned (10b5-1) | Atul Dandekar (Csbo) sold 72,500 shares between Dec 29, 2025 and Dec 30, 2025 at about $40.56 ($2.9M), marked as a 10b5-1 plan trade. Holdings down 87% to 10,503 shares. | SEC filing Filed Dec 31, 2025 |
52 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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