Martha J. Demski
CIK: 0001198230
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (17 total)
- Jul 14, 2026TKNO
Alpha Teknova, Inc.
Other(J)Indirect12K shares- - Jul 14, 2026TKNO
Alpha Teknova, Inc.
Other(J)Direct12K shares- - Jun 1, 2026TKNO
Alpha Teknova, Inc.
Award(A)DirectNon-Qualified Stock Option (right to buy)
55K shares- - May 28, 2026EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
70K shares- - Jun 27, 2025TKNO
Alpha Teknova, Inc.
Sale(S)Direct8K shares at avg. $5.06$41K - Jun 17, 2025TKNO
Alpha Teknova, Inc.
Award(A)DirectNon-Qualified Stock Option (right to buy)
54.3K shares- - Jun 17, 2025TKNO
Alpha Teknova, Inc.
Award(A)Direct54.3K shares- - May 21, 2025EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
20K shares- - Apr 21, 2025CMRX
CHIMERIX INC
Disposition(D)Indirect72.1K shares at avg. $8.55$616K - Feb 14, 2025EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
12K shares- - Feb 14, 2025EQ
Equillium, Inc.
Disposition(D)DirectDirector Stock Option (right to buy)
12K shares- - Feb 14, 2025EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
24K shares- - Feb 14, 2025EQ
Equillium, Inc.
Disposition(D)DirectDirector Stock Option (right to buy)
24K shares- - Feb 14, 2025EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
20.8K shares- - Feb 14, 2025EQ
Equillium, Inc.
Disposition(D)DirectDirector Stock Option (right to buy)
20.8K shares- - Feb 14, 2025EQ
Equillium, Inc.
Award(A)DirectDirector Stock Option (right to buy)
20K shares- - Feb 14, 2025EQ
Equillium, Inc.
Disposition(D)DirectDirector Stock Option (right to buy)
20K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 14, 2026 |  TKNO Alpha Teknova, Inc. | Other(J) | 12,000 | - | $0 | Indirect |
| Jul 14, 2026 | TKNO Alpha Teknova, Inc. | Other(J) | 12,000 | - | $0 | Direct |
| Jun 1, 2026 | TKNO Alpha Teknova, Inc. | Award(A) Non-Qualified Stock Option (right to buy) | 55,000 | - | - | Direct |
| May 28, 2026 |  EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 70,000 | - | - | Direct |
| Jun 27, 2025 | TKNO Alpha Teknova, Inc. | Sale(S) | 8,000 | $5.06 | $40,512 | Direct |
| Jun 17, 2025 | TKNO Alpha Teknova, Inc. | Award(A) Non-Qualified Stock Option (right to buy) | 54,300 | - | - | Direct |
| Jun 17, 2025 | TKNO Alpha Teknova, Inc. | Award(A) | 54,300 | - | - | Direct |
| May 21, 2025 | EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 20,000 | - | - | Direct |
| Apr 21, 2025 |  CMRX CHIMERIX INC | Disposition(D) | 72,055 | $8.55 | $616,070 | Indirect |
| Feb 14, 2025 | EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 12,000 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Disposition(D) Director Stock Option (right to buy) | 12,000 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 24,000 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Disposition(D) Director Stock Option (right to buy) | 24,000 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 20,770 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Disposition(D) Director Stock Option (right to buy) | 20,770 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Award(A) Director Stock Option (right to buy) | 20,000 | - | - | Direct |
| Feb 14, 2025 | EQ Equillium, Inc. | Disposition(D) Director Stock Option (right to buy) | 20,000 | - | - | Direct |
1-17 of 17 transactions
About DEMSKI MARTHA J
DEMSKI MARTHA J (SEC CIK 0001198230) files insider reports with the SEC as Director of Alpha Teknova, Inc. (TKNO), Director of Equillium, Inc. (EQ) and Director of CHIMERIX INC (CMRX).
Signal8 holds 9 ownership filings by DEMSKI MARTHA J, all Form 4s, filed between Feb 19, 2025 and Jul 16, 2026. Those filings report 17 transactions, from Feb 14, 2025 to Jul 14, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on DEMSKI MARTHA J's filings is in HOLLISTER, CA.
Recent filings by DEMSKI MARTHA J
- Jul 14, 2026: Other transactions of TKNO shares (2 lines, Form 4, code J).
- Jun 1, 2026: Grant or award of TKNO derivative securities (Form 4, code A).
- May 28, 2026: Grant or award of EQ derivative securities (Form 4, code A).
- Jun 27, 2025: Open-market sale of TKNO shares (Form 4, code S).
- Jun 17, 2025: Grants or awards of TKNO derivative securities (2 lines, Form 4, code A).
Other insiders filing for Alpha Teknova, Inc. (TKNO)
- Vos Alexander, Director
- ROBERTSON BRETT, Director
- Terrill Damon, General Counsel and CCO
- Lowell Matthew, Chief Financial Officer
- Gunstream Stephen, President and CEO