Alexandria Venture Investments, LLC
Insider
First SEC filing: Oct. 21, 2021 · Latest: Oct. 21, 2021
Insider at
Insider transactions
1 buys (P)
0 sells (S)
Net: $2,499,994
Avg return of open purchases vs close of 2026-10-23: -1.4%
Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 13, 2026 | TRXB | C | 1,167,930 | · | · | 1,167,930 Direct | · | Acquired | |
| Oct. 13, 2026 | TRXB | P | 178,571 | $14.00 | $2,499,994 | 1,346,501 Direct | +15.29% | Acquired | -1.4% (price as of ) |
| Oct. 13, 2026 | TRXB | C | 1,033,541 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 13, 2026 | TRXB | C | 3,480,387 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 26, 2021 | XLO | C | 166,423 | · | · | 166,423 Direct | · | Acquired | |
| Oct. 26, 2021 | XLO | C | 1,581,026 | · | · | 0 Direct | -100.00% | Disposed | |
| Feb. 9, 2021 | VOR | C | 282,804 | · | · | 282,804 Direct | · | Acquired | |
| Feb. 9, 2021 | VOR | C | 3,846,152 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 8, 2020 | SPRY | C | 699,412 | · | · | 699,412 Direct | · | Acquired | |
| Dec. 8, 2020 | SPRY | C | 1,428,570 | · | · | 0 Direct | -100.00% | Disposed | |
| Dec. 8, 2020 | SPRY | C | 1,168,347 | · | · | 0 Direct | -100.00% | Disposed | |
| Aug. 25, 2020 | KYMR | C | 467,932 | · | · | 467,932 Direct | · | Acquired | |
| Aug. 25, 2020 | KYMR | C | 500,000 | · | · | 0 Direct | -100.00% | Disposed | |
| Aug. 25, 2020 | KYMR | C | 246,305 | · | · | 0 Direct | -100.00% | Disposed | |
| July 20, 2020 | RLAY | C | 968,365 | · | · | 968,365 Direct | · | Acquired | |
| July 20, 2020 | RLAY | C | 500,000 | · | · | 0 Direct | -100.00% | Disposed | |
| July 20, 2020 | RLAY | C | 1,287,128 | · | · | 0 Direct | -100.00% | Disposed | |
| July 20, 2020 | RLAY | C | 1,651,471 | · | · | 0 Direct | -100.00% | Disposed | |
| June 16, 2020 | RNA | C | 502,365 | · | · | 502,365 Direct | · | Acquired | |
| June 16, 2020 | RNA | C | 395,000 | · | · | 0 Direct | -100.00% | Disposed | |
| June 16, 2020 | RNA | C | 530,616 | · | · | 0 Direct | -100.00% | Disposed | |
| June 16, 2020 | RNA | C | 134,126 | · | · | 0 Direct | -100.00% | Disposed | |
| March 16, 2020 | ELVN | C | 293,013 | · | · | 293,013 Direct | · | Acquired | |
| March 16, 2020 | ELVN | C | 125,432 | · | · | 0 Direct | -100.00% | Disposed | |
| March 16, 2020 | ELVN | C | 1,433,240 | · | · | 0 Direct | -100.00% | Disposed | |
| March 16, 2020 | ELVN | C | 287,037 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 7, 2019 | KRRO | C | 956,175 | · | · | 956,175 Direct | · | Acquired | |
| Oct. 7, 2019 | KRRO | C | 4,161,974 | · | · | 0 Direct | -100.00% | Disposed | |
| Oct. 7, 2019 | KRRO | C | 2,278,345 | · | · | 0 Direct | -100.00% | Disposed | |
| May 28, 2019 | IDYA | C | 382,384 | · | · | 382,384 Direct | · | Acquired | |
| May 28, 2019 | IDYA | P | 50,000 | $10.00 | $500,000 | 432,384 Direct | +13.08% | Acquired | 247.1% (price as of ) |
| May 28, 2019 | IDYA | C | 3,149,405 | · | · | 0 Direct | -100.00% | Disposed | |
| May 28, 2019 | IDYA | C | 772,499 | · | · | 0 Direct | -100.00% | Disposed | |
| May 13, 2019 | NXTC | C | 197,993 | · | · | 197,993 Direct | · | Acquired | |
| May 13, 2019 | NXTC | C | 223,500 | · | · | 0 Direct | -100.00% | Disposed | |
| May 13, 2019 | NXTC | C | 372,500 | · | · | 0 Direct | -100.00% | Disposed | |
| May 13, 2019 | NXTC | C | 365,727 | · | · | 0 Direct | -100.00% | Disposed | |
| May 13, 2019 | NXTC | C | 628,931 | · | · | 0 Direct | -100.00% | Disposed | |
| Nov. 15, 2017 | XFOR | C | 225,680 | · | · | 225,680 Direct | · | Acquired | |
| Nov. 15, 2017 | XFOR | C | 770,249 | · | · | 0 Direct | -100.00% | Disposed |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 13, 2026 | TRXB | Series A-3 Preferred Stock | Common Stock | · | · | 1,033,541 | Disposed |
| Oct. 13, 2026 | TRXB | Series B Preferred Stock | Common Stock | · | · | 3,480,387 | Disposed |
| Oct. 26, 2021 | XLO | Series B convertible preferred stock | Common stock | · | · | 1,581,026 | Disposed |
| Feb. 9, 2021 | VOR | Series B convertible preferred stock | Common stock | · | · | 3,846,152 | Disposed |
| Dec. 8, 2020 | SPRY | Series A redeemable convertible preferred stock | Common stock | · | · | 1,428,570 | Disposed |
| Dec. 8, 2020 | SPRY | Series B redeemable convertible preferred stock | Common stock | · | · | 1,168,347 | Disposed |
| Aug. 25, 2020 | KYMR | Series A convertible preferred stock | Common Stock | · | · | 500,000 | Disposed |
| Aug. 25, 2020 | KYMR | Series B convertible preferred stock | Common Stock | · | · | 246,305 | Disposed |
| July 20, 2020 | RLAY | Series A Preferred Stock | Common Stock | · | · | 500,000 | Disposed |
| July 20, 2020 | RLAY | Series B Preferred Stock | Common Stock | · | · | 1,287,128 | Disposed |
| July 20, 2020 | RLAY | Series C Preferred Stock | Common Stock | · | · | 1,651,471 | Disposed |
| June 16, 2020 | RNA | Series A convertible preferred stock | Common stock | · | · | 395,000 | Disposed |
| June 16, 2020 | RNA | Series B convertible preferred stock | Common stock | · | · | 530,616 | Disposed |
| June 16, 2020 | RNA | Series C convertible preferred stock | Common stock | · | · | 134,126 | Disposed |
| March 16, 2020 | ELVN | Series Seed Preferred Stock | Common Stock | · | · | 125,432 | Disposed |
| March 16, 2020 | ELVN | Series A Preferred Stock | Common Stock | · | · | 1,433,240 | Disposed |
| March 16, 2020 | ELVN | Series B Preferred Stock | Common Stock | · | · | 287,037 | Disposed |
| Oct. 7, 2019 | KRRO | Series A Convertible Preferred Stock | Common Stock | · | · | 4,161,974 | Disposed |
| Oct. 7, 2019 | KRRO | Series B Convertible Preferred Stock | Common Stock | · | · | 2,278,345 | Disposed |
| May 28, 2019 | IDYA | Series A preferred stock | Common stock | · | · | 3,149,405 | Disposed |
| May 28, 2019 | IDYA | Series B preferred stock | Common stock | · | · | 772,499 | Disposed |
| May 13, 2019 | NXTC | Series A-1 Preferred Stock | Common Stock | · | · | 223,500 | Disposed |
| May 13, 2019 | NXTC | Series A-2 Preferred Stock | Common Stock | · | · | 372,500 | Disposed |
| May 13, 2019 | NXTC | Series A-3 Preferred Stock | Common Stock | · | · | 365,727 | Disposed |
| May 13, 2019 | NXTC | Series B-1 Preferred Stock | Common Stock | · | · | 628,931 | Disposed |
| Nov. 15, 2017 | XFOR | Series D convertible preferred stock | Common stock | · | · | 770,249 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 26 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 8, 2026 | TRXB | Series A-3 Preferred Stock | 1,033,541 | Direct |
| Oct. 8, 2026 | TRXB | Series B Preferred Stock | 3,480,387 | Direct |
| Oct. 21, 2021 | XLO | Series B convertible preferred stock | 166,423 | Direct |
| Feb. 4, 2021 | VOR | Series B convertible preferred stock | 282,804 | Direct |
| Dec. 3, 2020 | SPRY | Series A redeemable convertible preferred stock | 384,748 | Direct |
| Dec. 3, 2020 | SPRY | Series B redeemable convertible preferred stock | 314,664 | Direct |
| Aug. 20, 2020 | KYMR | Series A convertible preferred stock | 313,500 | Direct |
| Aug. 20, 2020 | KYMR | Series B convertible preferred stock | 154,432 | Direct |
| July 15, 2020 | RLAY | Series A Preferred Stock | 140,806 | Direct |
| July 15, 2020 | RLAY | Series B Preferred Stock | 362,477 | Direct |
| July 15, 2020 | RLAY | Series C Preferred Stock | 465,082 | Direct |
| June 11, 2020 | RNA | Series A convertible preferred stock | 187,248 | Direct |
| June 11, 2020 | RNA | Series B convertible preferred stock | 251,536 | Direct |
| June 11, 2020 | RNA | Series C convertible preferred stock | 63,581 | Direct |
| March 11, 2020 | ELVN | Series Seed Preferred Stock | 19,913 | Direct |
| March 11, 2020 | ELVN | Series A Preferred Stock | 227,532 | Direct |
| March 11, 2020 | ELVN | Series B Preferred Stock | 45,568 | Direct |
| Oct. 2, 2019 | KRRO | Series A Convertible Preferred Stock | 617,916 | Direct |
| Oct. 2, 2019 | KRRO | Series B Convertible Preferred Stock | 338,259 | Direct |
| May 22, 2019 | IDYA | Series A preferred stock | 307,066 | Direct |
| May 22, 2019 | IDYA | Series B preferred stock | 75,318 | Direct |
| May 8, 2019 | NXTC | Series A-1 Preferred Stock | 27,819 | Direct |
| May 8, 2019 | NXTC | Series A-2 Preferred Stock | 46,366 | Direct |
| May 8, 2019 | NXTC | Series A-3 Preferred Stock | 45,523 | Direct |
| May 8, 2019 | NXTC | Series B-1 Preferred Stock | 78,285 | Direct |
| Nov. 15, 2017 | XFOR | Series D convertible preferred stock | 225,680 | Direct |