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Company
▲ Purchases (40 ops.)
▼ Sales (0 ops.)
Latest filing published 02 Sept 2025 for Cyanotech CORP. Read the official filing
Filing timeline
BuySaleMichael A. / Davis
Insider track record
Disclosed buys
40
Disclosed sells
0
T+90 hit rate
15%
T+90 mean return
-38.7%
Across 27 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Michael A. / Davis: trading record in brief
Michael A. / Davis (finance chief) discloses dealings in Cyanotech Corp to SEC (Form 4). We count 46 filings; the first trade dates from 18 October 2021 and the latest from 28 August 2025.
On the market, this insider has only ever bought: 40 purchases, €580k in total. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. Outside the open market, there are 5 share grants.
The median purchase comes to €3,426. No cluster: in 40 purchases, no other insider of the company bought within 30 days.
On 2 September 2025 came the latest disclosure, a share grant in Cyanotech Corp. The most recent open-market purchase was published on 3 October 2024, 745 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.
Companies and markets linked to Michael A. / Davis
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations46 total
50,000 shares0Cyanotech Corporation Common StockSEC:0001437749-25-028191:0
5,000 shares@ US$0.760.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-030594:0
Canonical exit: 30 Dec 2024 (T+90)
5,000 shares@ US$0.770.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-030360:0
Canonical exit: 26 Dec 2024 (T+90)
5,000 shares@ US$0.770.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-030159:0
Canonical exit: 24 Dec 2024 (T+90)
5,000 shares@ US$0.770.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-029976:0
Canonical exit: 22 Dec 2024 (T+90)
5,000 shares@ US$0.740.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-029826:0
Canonical exit: 18 Dec 2024 (T+90)
4,000 shares@ US$0.740.4% of flowCyanotech Corporation Common StockSEC:0001437749-24-029606:0
Canonical exit: 16 Dec 2024 (T+90)
5,000 shares@ US$0.820.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-029379:0
Canonical exit: 12 Dec 2024 (T+90)
5,000 shares@ US$0.830.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-029151:0
Canonical exit: 10 Dec 2024 (T+90)
5,000 shares@ US$0.840.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-028990:0
Canonical exit: 8 Dec 2024 (T+90)
5,000 shares@ US$0.840.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-028752:0
Canonical exit: 4 Dec 2024 (T+90)
5,000 shares@ US$0.790.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-028576:0
Canonical exit: 2 Dec 2024 (T+90)
5,000 shares@ US$0.750.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-028241:0
Canonical exit: 27 Nov 2024 (T+90)
5,000 shares@ US$0.800.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-028041:0
Canonical exit: 25 Nov 2024 (T+90)
5,000 shares@ US$0.840.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-027840:0
Canonical exit: 21 Nov 2024 (T+90)
5,000 shares@ US$0.750.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-027653:0
Canonical exit: 19 Nov 2024 (T+90)
5,000 shares@ US$0.890.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-027464:0
Canonical exit: 17 Nov 2024 (T+90)
5,000 shares@ US$0.750.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-027200:0
Canonical exit: 13 Nov 2024 (T+90)
5,000 shares@ US$0.740.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-027002:0
Canonical exit: 11 Nov 2024 (T+90)
5,000 shares@ US$0.790.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-026342:0
Canonical exit: 7 Nov 2024 (T+90)
5,000 shares@ US$0.700.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-025833:0
Canonical exit: 5 Nov 2024 (T+90)
5,000 shares@ US$0.770.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-025135:0
Canonical exit: 3 Nov 2024 (T+90)
5,000 shares@ US$0.830.6% of flowCyanotech Corporation Common StockSEC:0001437749-24-024634:0
Canonical exit: 30 Oct 2024 (T+90)
5,000 shares@ US$0.710.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-024267:0
Canonical exit: 28 Oct 2024 (T+90)
5,000 shares@ US$0.640.5% of flowCyanotech Corporation Common StockSEC:0001437749-24-023939:0
Canonical exit: 24 Oct 2024 (T+90)
25 of 46 declarations
