Comparable stake leader
Telegraph Hill Partners IV, L.P.
SEC ownership of Alpha Teknova, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001850902.
Disclosed value leader
Telegraph Hill Partners IV, L.P.
Comparable rows
0/50
Latest evidence
14 Jul 2026
- Public ticker
- TKNO on Nasdaq
- Parsed ownership sources
-
3/4/5 and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Telegraph Hill Partners IV, L.P.
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
14 Jul 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001850902
- Issuer location
- Hollister, CA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Alpha Teknova, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Telegraph Hill Partners I...
Disclosed value leader
Telegraph Hill Partners I...
Comparable rows
0/50
Latest evidence
14 Jul 2026
3/4/5
13F
Highest disclosed value: $28,308,585
50 rows are not safely comparable across share classes.
Showing 1-8 of 50 holder rows.
Quick read
Telegraph Hill Partners IV, L.P. has the largest disclosed position value at $28.31M.
0 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Telegraph Hill Partners IV, L.P.'s linked filing trail.
Disclosed position value
Top 5
Telegraph Hill Partners IV, L.P.
$28.31M
Irene Davis
$6.2M
Ted Davis
$6.2M
Roubaix Capital, LLC
$5.44M
ROYCE & ASSOCIATES LP
$3.09M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Telegraph Hill Partners IV, L.P. |
3/4/5
10%+ Owner
|
—
class O/S missing
|
$28,308,585
22,829,504 shares
|
— | 12 Jul 2024 |
| Irene Davis |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$6,200,020
3,575,559 shares
|
— | 26 May 2023 |
| Ted Davis |
3/4/5
Director, 10%+ Owner
|
—
class O/S missing
|
$6,200,020
3,575,559 shares
|
— | 26 May 2023 |
| Roubaix Capital, LLC |
13F
Company
|
—
class O/S missing
|
$5,440,006
1,882,355 shares
|
— | 31 Mar 2026 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
—
class O/S missing
|
$3,089,878
1,069,162 shares
|
— | 31 Mar 2026 |
| BlackRock, Inc. |
13F
Company
|
—
class O/S missing
|
$2,071,477
716,774 shares
|
— | 31 Mar 2026 |
| Matthew J. Mackowski |
3/4/5
Director
|
—
class O/S missing
|
$1,423,285
820,810 shares
|
— | 19 Sep 2023 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
—
class O/S missing
|
$1,292,229
447,138 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$143,417.
Buys
$143,417
Insiders: 2
Sells
$0
Insiders: 0
Net
+$143,417
Shares: +66,000
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 66,000
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 66,000 | 0 | $143,417 | $0 | +$143,417 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-16 of 16 reporting-owner rows connected to Alpha Teknova, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
16
Largest Forms 3/4/5 holder
Telegraph Hill Partners IV, L.P.
Net 12M change
+$143,417
Latest report
14 Jul 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Telegraph Hill Partners IV, L.P. | 10%+ Owner | $28,308,585 | Mixed | 12 Jul 2024 | ||
| Irene Davis | Director, 10%+ Owner | $6,200,020 | Mixed | 26 May 2023 | ||
| Ted Davis | Director, 10%+ Owner | $6,200,020 | Mixed | 26 May 2023 | ||
| Matthew J. Mackowski | Director | $1,423,285 | Mixed | 19 Sep 2023 | ||
| Brett Robertson | Director | $635,159 | Mixed | 01 Jun 2026 | ||
| Alexander Vos | Director | $605,609 | Mixed | 01 Jun 2026 | ||
| Stephen Gunstream | President and CEO, Director | $578,394 | +$55,801 | +11% | Filing P/S | 15 Feb 2026 |
| Matthew Lowell | Chief Financial Officer | $368,810 | +$87,616 | +31% | Filing P/S | 15 Feb 2026 |
| Martha J. Demski | Director | $68,158 | Market | 14 Jul 2026 | ||
| Paul David Grossman | Director | $51,795 | Filing P/S | 15 Aug 2022 | ||
| Ken Gelhaus | Chief Commercial Officer | $39,750 | Filing P/S | 30 Nov 2023 | ||
| Lisa Hood | Chief People Officer | $32,658 | Mixed | 14 Nov 2023 | ||
| Robert McNamara | Director | $16,225 | Mixed | 02 Jun 2023 | ||
| Neal Goodwin | Chief Scientific Officer | Mixed | 24 Jun 2021 | |||
| Alexander C. Herzick | Director | Mixed | 24 Jun 2021 | |||
| Damon A. Terrill | General Counsel and CCO | Mixed | 15 Feb 2026 |
Recent insider transactions for Alpha Teknova, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Martha J. Demski | TKNO | Common Stock | Other | 12,000 | 12,000 | 14 Jul 2026 | by Trust | |||
| Martha J. Demski | TKNO | Common Stock | Other | -100% | -12,000 | 0 | 14 Jul 2026 | Direct | ||
| Alexander Vos | TKNO | Non-Qualified Stock Option (right to buy) | Award | 55,000 | 55,000 | 01 Jun 2026 | Direct | |||
| Brett Robertson | TKNO | Non-Qualified Stock Option (right to buy) | Award | 55,000 | 55,000 | 01 Jun 2026 | Direct | |||
| Martha J. Demski | TKNO | Non-Qualified Stock Option (right to buy) | Award | 55,000 | 55,000 | 01 Jun 2026 | Direct | |||
| Matthew Lowell | TKNO | Common Stock | Purchase | 31.2% | $87,616 | $2.19 | 40,000 | 168,376 | 06 Mar 2026 | Direct |
| Stephen Gunstream | TKNO | Common Stock | Purchase | 10.7% | $55,801 | $2.15 | 26,000 | 269,497 | 06 Mar 2026 | Direct |
| Damon A. Terrill | TKNO | Non-Qualified Stock Option (right to buy) | Award | 148,000 | 148,000 | 15 Feb 2026 | Direct | |||
| Matthew Lowell | TKNO | Non-Qualified Stock Option (right to buy) | Award | 171,000 | 171,000 | 15 Feb 2026 | Direct | |||
| Stephen Gunstream | TKNO | Non-Qualified Stock Option (right to buy) | Award | 429,000 | 429,000 | 15 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.