Timothy P Walbert
CIK 1349376 · View on SEC EDGAR ↗
Insider
First SEC filing: June 4, 2026 · Latest: June 4, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 45 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 17, 2026 | KARD | A | 57,573 | — | — | 57,573 Direct | — | Acquired | (price as of 2026-08-19) |
| June 17, 2026 | KARD | A | 20,706 | — | — | 20,706 Direct | — | Acquired | (price as of 2026-08-19) |
| June 15, 2026 | MIRM | A | 1,980 | — | — | 1,980 Direct | — | Acquired | (price as of 2026-08-19) |
| June 15, 2026 | MIRM | A | 3,772 | — | — | 3,772 Direct | — | Acquired | (price as of 2026-08-19) |
| June 2, 2026 | BMRN | A | 7,490 | — | — | 17,270 | — | — | (price as of 2026-08-19) |
| May 29, 2026 | MIRM | M | 3,977 | — | — | 9,680 Direct | +69.74% | Acquired | (price as of 2026-08-19) |
| May 29, 2026 | MIRM | M | 3,977 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 7, 2026 | ODTX | A | 27,393 | — | — | 27,393 Direct | — | Acquired | (price as of 2026-08-19) |
| June 12, 2025 | IPSC | A | 44,000 | — | — | 44,000 Direct | — | Acquired | (price as of 2026-08-19) |
| June 9, 2025 | SGMT | A | 32,250 | — | — | 32,250 Direct | — | Acquired | (price as of 2026-08-19) |
| May 20, 2025 | BMRN | A | 6,650 | — | — | 9,780 Direct | +212.46% | Acquired | (price as of 2026-08-19) |
| Feb. 24, 2025 | BMRN | A | 3,130 | — | — | 3,130 Direct | — | Acquired | (price as of 2026-08-19) |
| June 20, 2024 | IPSC | A | 44,000 | — | — | 44,000 Direct | — | Acquired | (price as of 2026-08-19) |
| June 5, 2024 | SGMT | A | 9,279 | — | — | 9,279 Direct | — | Acquired | (price as of 2026-08-19) |
| April 1, 2024 | SGMT | A | 73,014 | — | — | 73,014 Direct | — | Acquired | (price as of 2026-08-19) |
| June 27, 2023 | IPSC | A | 44,000 | — | — | 44,000 Direct | — | Acquired | (price as of 2026-08-19) |
| June 12, 2023 | MIRM | A | 1,417 | — | — | 1,417 Direct | — | Acquired | (price as of 2026-08-19) |
| April 5, 2023 | MIRM | A | 34,000 | — | — | 34,000 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 1, 2022 | IPSC | A | 39,744 | — | — | 39,744 Direct | — | Acquired | (price as of 2026-08-19) |
| June 2, 2021 | XCUR | A | 50,000 | — | — | 50,000 Direct | — | Acquired | (price as of 2026-08-19) |
| May 20, 2020 | ASRT | A | 211,111 | — | — | 211,111 Direct | — | Acquired | |
| May 20, 2020 | ASRT | A | 49,143 | — | — | 49,143 Direct | — | Acquired | |
| Feb. 10, 2017 | XOMA | A | 8,000 | — | — | 8,000 Direct | — | Acquired | |
| July 21, 2016 | XOMA | A | 60,532 | — | — | 60,532 Direct | — | Acquired | |
| July 21, 2016 | XOMA | A | 48,246 | — | — | 129,314 Direct | +59.51% | Acquired | |
| May 28, 2016 | XOMA | M | 2,800 | — | — | 0 Direct | -100.00% | Disposed | |
| May 28, 2016 | XOMA | M | 2,800 | — | — | 81,068 Direct | +3.58% | Acquired | |
| May 28, 2015 | XOMA | M | 2,800 | — | — | 0 Direct | -100.00% | Disposed | |
| May 28, 2015 | XOMA | M | 2,800 | — | — | 2,800 Direct | -50.00% | Disposed | |
| May 28, 2015 | XOMA | M | 2,800 | — | — | 78,268 Direct | +3.71% | Acquired | |
| May 28, 2015 | XOMA | M | 2,800 | — | — | 75,468 Direct | +3.85% | Acquired | |
| May 21, 2015 | XOMA | A | 36,873 | $3.39 | $124,999 | 36,873 Direct | — | Acquired | |
| May 21, 2015 | XOMA | A | 36,873 | — | — | 72,668 Direct | +103.01% | Acquired | |
| Nov. 13, 2014 | XOMA | M | 4,498 | — | — | 0 Direct | -100.00% | Disposed | |
| Nov. 13, 2014 | XOMA | M | 4,498 | — | — | 35,795 Direct | +14.37% | Acquired | |
| Sept. 12, 2014 | XOMA | A | 7,000 | $4.73 | $33,110 | 7,000 Direct | — | Acquired | |
| Sept. 12, 2014 | XOMA | A | 5,500 | — | — | 31,297 Direct | +21.32% | Acquired | |
| May 28, 2014 | XOMA | M | 2,800 | — | — | 2,800 Direct | -50.00% | Disposed | |
| May 28, 2014 | XOMA | M | 2,800 | — | — | 5,600 Direct | -33.33% | Disposed | |
| May 28, 2014 | XOMA | M | 2,800 | — | — | 25,797 Direct | +12.18% | Acquired | |
| May 28, 2014 | XOMA | M | 2,800 | — | — | 22,997 Direct | +13.86% | Acquired | |
| May 22, 2014 | XOMA | A | 11,600 | $3.87 | $44,892 | 11,600 Direct | — | Acquired | |
| May 22, 2014 | XOMA | A | 8,400 | — | — | 20,197 Direct | +71.20% | Acquired | |
| Nov. 13, 2013 | XOMA | M | 4,498 | — | — | 1,102 Direct | -80.32% | Disposed | |
| Nov. 13, 2013 | XOMA | M | 4,498 | — | — | 11,797 Direct | +61.62% | Acquired |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 17, 2026 | KARD | Stock Option (Right to Buy) | Common Stock (57,573) | $16.00 | June 16, 2036 | 57,573 | Acquired |
| June 15, 2026 | MIRM | Restricted Stock Units | Common Stock (1,980) | — | — | 1,980 | Acquired |
| June 15, 2026 | MIRM | Stock Option (right to buy) | Common Stock (3,772) | $101.00 | June 14, 2036 | 3,772 | Acquired |
| May 29, 2026 | MIRM | Restricted Stock Units | Common Stock (3,977) | — | — | 3,977 | Disposed |
| May 7, 2026 | ODTX | Stock Option (Right to Buy) | Common Stock (27,393) | $18.00 | May 6, 2036 | 27,393 | Acquired |
| June 12, 2025 | IPSC | Stock Option (right to buy) | Common Stock (44,000) | $0.60 | June 12, 2035 | 44,000 | Acquired |
| June 9, 2025 | SGMT | Stock Option (Right to Buy) | Series A Common Stock (32,250) | $5.33 | June 8, 2035 | 32,250 | Acquired |
| June 20, 2024 | IPSC | Stock Option (right to buy) | Common Stock (44,000) | $2.69 | June 20, 2034 | 44,000 | Acquired |
| June 5, 2024 | SGMT | Stock Option (Right to Buy) | Series A Common Stock (9,279) | $4.64 | June 4, 2034 | 9,279 | Acquired |
| April 1, 2024 | SGMT | Stock Option (Right to Buy) | Series A Common Stock (73,014) | $5.23 | March 31, 2034 | 73,014 | Acquired |
| June 27, 2023 | IPSC | Stock Option (right to buy) | Common Stock (44,000) | $3.19 | June 27, 2024 | 44,000 | Acquired |
| June 12, 2023 | MIRM | Stock Option (right to buy) | Common Stock (1,417) | $28.97 | June 11, 2033 | 1,417 | Acquired |
| April 5, 2023 | MIRM | Stock Option (right to buy) | Common Stock (34,000) | $24.71 | April 4, 2033 | 34,000 | Acquired |
| Oct. 1, 2022 | IPSC | Stock Option (right to buy) | Common Stock (39,744) | $9.89 | Oct. 1, 2032 | 39,744 | Acquired |
| June 2, 2021 | XCUR | Stock Option (right to buy) | Common Stock (50,000) | $1.71 | June 1, 2031 | 50,000 | Acquired |
| Feb. 10, 2017 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (8,000) | $4.03 | Feb. 10, 2027 | 8,000 | Acquired |
| July 21, 2016 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (60,532) | $0.56 | July 21, 2026 | 60,532 | Acquired |
| May 28, 2016 | XOMA | Restricted Stock Units | Common Shares (2,800) | — | May 28, 2013 | 2,800 | Disposed |
| May 28, 2015 | XOMA | Restricted Stock Units | Common Shares (2,800) | $0.00 | May 28, 2015 | 2,800 | Disposed |
| May 28, 2015 | XOMA | Restricted Stock Units | Common Shares (2,800) | $0.00 | May 28, 2013 | 2,800 | Disposed |
| May 21, 2015 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (36,873) | $3.39 | May 21, 2025 | 36,873 | Acquired |
| Nov. 13, 2014 | XOMA | Restricted Stock Units | Common Shares (4,498) | — | — | 4,498 | Disposed |
| Sept. 12, 2014 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (7,000) | $4.73 | Sept. 12, 2024 | 7,000 | Acquired |
| May 28, 2014 | XOMA | Restricted Stock Units | Common Shares (2,800) | $0.00 | May 28, 2015 | 2,800 | Disposed |
| May 28, 2014 | XOMA | Restricted Stock Units | Common Shares (2,800) | $0.00 | May 28, 2013 | 2,800 | Disposed |
| May 22, 2014 | XOMA | Non-Qualified Share Option (right to buy) | Common Shares (11,600) | $3.87 | May 22, 2024 | 11,600 | Acquired |
| Nov. 13, 2013 | XOMA | Restricted Stock Units | Common Shares (4,498) | — | May 28, 2015 | 4,498 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 11 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 6, 2026 | LTGO | Director Stock Option (right to buy)→ Common Stock (259,770) | 259,770 | Direct |
| Aug. 6, 2026 | LTGO | Director Stock Option (right to buy)→ Common Stock (38,914) | 38,914 | Direct |
| Aug. 6, 2026 | LTGO | Director Stock Option (right to buy)→ Common Stock (31,135) | 31,135 | Direct |
| May 7, 2026 | ODTX | Stock Option (Right to Buy)→ Common Stock (97,024) | 97,024 | Direct |
| May 7, 2026 | ODTX | Stock Option (Right to Buy)→ Common Stock (74,604) | 74,604 | Direct |
| May 7, 2026 | ODTX | Stock Option (Right to Buy)→ Common Stock (24,868) | 24,868 | Direct |
| March 7, 2025 | BMRN | Common Stock | — | Indirect |
| April 3, 2024 | SGMT | Series A Common Stock | 2,200 | Direct |
| Jan. 4, 2021 | AUPH | Stock Option (right to buy)→ Common Stock (50,000) | 50,000 | Direct |
| Jan. 4, 2021 | AUPH | Stock Option (right to buy)→ Common Stock (30,000) | 30,000 | Direct |
| Nov. 15, 2010 | XOMA | Non-Qualified Share Option (right to buy)→ Common Shares (12,000) | 12,000 | Direct |