SRZN insider buying and SEC filings, explained
Surrozen, Inc. · CIK 1824893
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$16.8M
Insiders who bought
4
Sold (not marked 10b5-1)
$7.2M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 22, 2026 | Sale | Chen-Ming Yu (10% owner) sold 325,000 shares indirectly at $21.25 ($6.9M). Indirect holdings down 36% to 574,047 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 4 other reporting owners. | SEC filing Filed Jul 24, 2026 |
| May 4, 2026 | Sale | Yang Li (Exec. Vice President, Research) sold 1,584 shares at about $33.33 ($53K). Holdings down 8% to 17,216 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 5, 2026 |
| May 4, 2026 | Sale | Charles O Williams (President / COO) sold 2,036 shares at about $33.33 ($68K). Holdings down 11% to 16,571 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 5, 2026 |
| May 4, 2026 | Sale | Craig C Parker (CEO and Director) sold 4,524 shares at about $33.33 ($151K). Holdings down 21% to 16,553 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 5, 2026 |
| Mar 23–24, 2026 | Purchase (code P) | TCG Crossover GP II, LLC (10% owner) bought 121,881 shares indirectly between Mar 23 and Mar 24 at about $24.72 ($3.0M), reported as a purchase (code P). Indirect holdings up 20% to 736,547 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 3 other reporting owners. | SEC filing Filed Mar 25, 2026 |
| Mar 12–16, 2026 | Purchase (code P) | TCG Crossover GP II, LLC (10% owner) bought 48,997 shares indirectly between Mar 12 and Mar 16 at about $24.91 ($1.2M), reported as a purchase (code P). Indirect holdings up 8% to 675,610 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 3 other reporting owners. | SEC filing Filed Mar 16, 2026 |
| Feb 11–12, 2026 | Purchase (code P) | TCG Crossover GP II, LLC (10% owner) bought 18,856 shares indirectly between Feb 11 and Feb 12 at about $23.60 ($445K), reported as a purchase (code P). Indirect holdings up 3% to 651,112 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 3 other reporting owners. | SEC filing Filed Feb 13, 2026 |
| Jan 30–Feb 3, 2026 | Purchase (code P) | TCG Crossover GP II, LLC (10% owner) bought 9,357 shares indirectly between Jan 30 and Feb 3 at about $21.65 ($203K), reported as a purchase (code P). Indirect holdings up 1% to 641,682 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 3 other reporting owners. | SEC filing Filed Feb 3, 2026 |
| Jan 15–20, 2026 | Purchase (code P) | Peter Svennilson (10% owner) bought 32,507 shares indirectly (by entity) between Jan 15 and Jan 20 at about $19.74 ($642K), reported as a purchase (code P). Holdings by entity up 2% to 1,016,658 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 6 other reporting owners. | SEC filing Filed Jan 20, 2026 |
| Jan 15–20, 2026 | Purchase (code P) | Tim Kutzkey (Director and 10% owner) bought 32,507 shares indirectly (by entity) between Jan 15 and Jan 20 at about $19.74 ($642K), reported as a purchase (code P). Holdings by entity up 2% to 1,016,658 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 20, 2026 |
| Jan 13–14, 2026 | Purchase (code P) | Tim Kutzkey (Director and 10% owner) bought 17,993 shares indirectly (by entity) between Jan 13 and Jan 14 at about $19.86 ($357K), reported as a purchase (code P). Holdings by entity up 1% to 999,429 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 15, 2026 |
| Jan 13–14, 2026 | Purchase (code P) | Peter Svennilson (10% owner) bought 17,993 shares indirectly (by entity) between Jan 13 and Jan 14 at about $19.86 ($357K), reported as a purchase (code P). Holdings by entity up 1% to 999,429 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 6 other reporting owners. | SEC filing Filed Jan 15, 2026 |
| Jan 6, 2026 | Purchase (code P) | Peter Svennilson (10% owner) bought 15,100 shares indirectly (by entity) at $19.89 ($300K), reported as a purchase (code P). Holdings by entity up 1% to 989,893 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 6 other reporting owners. | SEC filing Filed Jan 8, 2026 |
| Jan 6, 2026 | Purchase (code P) | Tim Kutzkey (Director and 10% owner) bought 15,100 shares indirectly (by entity) at $19.89 ($300K), reported as a purchase (code P). Holdings by entity up 1% to 989,893 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 8, 2026 |
| Jan 5, 2026 | Sale | Yang Li (Exec. Vice President, Research) sold 1,118 shares at about $19.87 ($22K). Holdings down 6% to 16,091 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Jan 5, 2026 | Sale | Charles O Williams (President / COO) sold 1,566 shares at about $19.87 ($31K). Holdings down 11% to 12,982 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 6, 2026 |
| Dec 4–5, 2025 | Purchase (code P) | Tim Kutzkey (Director and 10% owner) bought 36,150 shares indirectly (by entity) between Dec 4, 2025 and Dec 5, 2025 at about $19.22 ($695K), reported as a purchase (code P). Holdings by entity up 2% to 981,890 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 8, 2025 |
| Dec 4–5, 2025 | Purchase (code P) | COLUMN GROUP III-A, LP (10% owner) bought 36,150 shares indirectly (by entity) between Dec 4, 2025 and Dec 5, 2025 at about $19.22 ($695K), reported as a purchase (code P). Holdings by entity up 2% to 981,890 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 5 other reporting owners. | SEC filing Filed Dec 8, 2025 |
| Nov 13, 2025 | Purchase (code P) | Tim Kutzkey (Director and 10% owner) bought 315,457 shares indirectly (by entity) at $12.65 ($4.0M), reported as a purchase (code P). Holdings by entity up 21% to 962,718 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 2, 2025 |
| Nov 13, 2025 | Purchase (code P) | COLUMN GROUP III-A, LP (10% owner) bought 315,457 shares indirectly (by entity) at $12.65 ($4.0M), reported as a purchase (code P). Holdings by entity up 21% to 962,718 shares. Not marked as a 10b5-1 plan trade. Filed jointly with 5 other reporting owners. | SEC filing Filed Nov 17, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$3.2M in purchases since Jan 6, 2026 · Purchases traded Jan 6, 2026 to Feb 12, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Tim Kutzkey (Director) | $300K | Jan 6, 2026 | SEC filing |
| Peter Svennilson (10% owner) | $300K | Jan 6, 2026 | SEC filing |
| Peter Svennilson (10% owner) | $357K | Jan 14, 2026 | SEC filing |
| Tim Kutzkey (Director) | $357K | Jan 14, 2026 | SEC filing |
| Tim Kutzkey (Director) | $642K | Jan 20, 2026 | SEC filing |
| Peter Svennilson (10% owner) | $642K | Jan 20, 2026 | SEC filing |
| TCG Crossover GP II, LLC (10% owner) | $203K | Feb 3, 2026 | SEC filing |
| TCG Crossover GP II, LLC (10% owner) | $445K | Feb 12, 2026 | SEC filing |
2 insiders bought in 30 days
$9.4M in purchases since Nov 13, 2025 · Purchases traded Nov 13, 2025 to Dec 5, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| COLUMN GROUP III-A, LP (10% owner) | $4.0M | Nov 13, 2025 | SEC filing |
| Tim Kutzkey (Director) | $4.0M | Nov 13, 2025 | SEC filing |
| COLUMN GROUP III-A, LP (10% owner) | $695K | Dec 5, 2025 | SEC filing |
| Tim Kutzkey (Director) | $695K | Dec 5, 2025 | SEC filing |
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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